/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-mutex_drivers-net-ethernet-icplus-ipg.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 07:12:49,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 07:12:49,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 07:12:49,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 07:12:49,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 07:12:49,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 07:12:49,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 07:12:49,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 07:12:49,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 07:12:49,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 07:12:49,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 07:12:49,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 07:12:49,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 07:12:49,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 07:12:49,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 07:12:49,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 07:12:49,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 07:12:49,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 07:12:49,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 07:12:49,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 07:12:49,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 07:12:49,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 07:12:49,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 07:12:49,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 07:12:49,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 07:12:49,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 07:12:49,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 07:12:49,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 07:12:49,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 07:12:49,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 07:12:49,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 07:12:49,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 07:12:49,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 07:12:49,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 07:12:49,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 07:12:49,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 07:12:49,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 07:12:49,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 07:12:49,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 07:12:49,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 07:12:49,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 07:12:49,683 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 07:12:49,705 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 07:12:49,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 07:12:49,706 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 07:12:49,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 07:12:49,706 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 07:12:49,707 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 07:12:49,707 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 07:12:49,707 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 07:12:49,707 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 07:12:49,707 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 07:12:49,707 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 07:12:49,708 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 07:12:49,708 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 07:12:49,708 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 07:12:49,708 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 07:12:49,708 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 07:12:49,708 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 07:12:49,708 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 07:12:49,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 07:12:49,708 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 07:12:49,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 07:12:49,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 07:12:49,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 07:12:49,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 07:12:49,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 07:12:49,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 07:12:49,709 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 07:12:49,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 07:12:49,709 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 07:12:49,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 07:12:49,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 07:12:49,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 07:12:49,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:12:49,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 07:12:49,710 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 07:12:49,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 07:12:49,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 07:12:49,710 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 07:12:49,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 07:12:49,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 07:12:49,710 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 07:12:49,711 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 07:12:49,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 07:12:49,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 07:12:49,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 07:12:49,912 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 07:12:49,913 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 07:12:49,913 INFO L432 ainManager$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-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2023-04-03 07:12:50,870 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 07:12:51,284 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 07:12:51,284 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2023-04-03 07:12:51,321 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/374b9cdc6/ccd9328b43c24203b6fb191aebd5bae2/FLAG3a013f802 [2023-04-03 07:12:51,332 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/374b9cdc6/ccd9328b43c24203b6fb191aebd5bae2 [2023-04-03 07:12:51,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 07:12:51,337 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 07:12:51,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 07:12:51,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 07:12:51,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 07:12:51,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:12:51" (1/1) ... [2023-04-03 07:12:51,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187aa57f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:51, skipping insertion in model container [2023-04-03 07:12:51,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:12:51" (1/1) ... [2023-04-03 07:12:51,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 07:12:51,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 07:12:52,861 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-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292221,292234] [2023-04-03 07:12:52,865 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-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292387,292400] [2023-04-03 07:12:52,865 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-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292551,292564] [2023-04-03 07:12:52,865 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-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292716,292729] [2023-04-03 07:12:52,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:12:52,921 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 07:12:53,193 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-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292221,292234] [2023-04-03 07:12:53,193 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-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292387,292400] [2023-04-03 07:12:53,193 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-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292551,292564] [2023-04-03 07:12:53,194 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-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292716,292729] [2023-04-03 07:12:53,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 07:12:53,294 INFO L208 MainTranslator]: Completed translation [2023-04-03 07:12:53,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:53 WrapperNode [2023-04-03 07:12:53,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 07:12:53,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 07:12:53,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 07:12:53,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 07:12:53,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:53" (1/1) ... [2023-04-03 07:12:53,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:53" (1/1) ... [2023-04-03 07:12:53,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:53" (1/1) ... [2023-04-03 07:12:53,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:53" (1/1) ... [2023-04-03 07:12:53,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:53" (1/1) ... [2023-04-03 07:12:53,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:53" (1/1) ... [2023-04-03 07:12:53,530 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:53" (1/1) ... [2023-04-03 07:12:53,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:53" (1/1) ... [2023-04-03 07:12:53,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 07:12:53,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 07:12:53,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 07:12:53,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 07:12:53,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:53" (1/1) ... [2023-04-03 07:12:53,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 07:12:53,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:12:53,602 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 07:12:53,632 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 07:12:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 07:12:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 07:12:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 07:12:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 07:12:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 07:12:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2023-04-03 07:12:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:12:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:12:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:12:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 07:12:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 07:12:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 07:12:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 07:12:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-03 07:12:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-03 07:12:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-03 07:12:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-03 07:12:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-03 07:12:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 07:12:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 07:12:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-03 07:12:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 07:12:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-03 07:12:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 07:12:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-04-03 07:12:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-04-03 07:12:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 07:12:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 07:12:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-04-03 07:12:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-04-03 07:12:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2023-04-03 07:12:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-03 07:12:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-04-03 07:12:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-04-03 07:12:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2023-04-03 07:12:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2023-04-03 07:12:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-04-03 07:12:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-04-03 07:12:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2023-04-03 07:12:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2023-04-03 07:12:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2023-04-03 07:12:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-03 07:12:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-03 07:12:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-03 07:12:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-03 07:12:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-03 07:12:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-03 07:12:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-03 07:12:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-03 07:12:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2023-04-03 07:12:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-04-03 07:12:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-04-03 07:12:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-04-03 07:12:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-03 07:12:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-04-03 07:12:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-04-03 07:12:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-04-03 07:12:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-03 07:12:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-03 07:12:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-04-03 07:12:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-03 07:12:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2023-04-03 07:12:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2023-04-03 07:12:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2023-04-03 07:12:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2023-04-03 07:12:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2023-04-03 07:12:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure send_end [2023-04-03 07:12:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2023-04-03 07:12:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-04-03 07:12:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-04-03 07:12:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_led_mode [2023-04-03 07:12:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_phy_set [2023-04-03 07:12:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2023-04-03 07:12:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_find_phyaddr [2023-04-03 07:12:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2023-04-03 07:12:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2023-04-03 07:12:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2023-04-03 07:12:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2023-04-03 07:12:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2023-04-03 07:12:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2023-04-03 07:12:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2023-04-03 07:12:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2023-04-03 07:12:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txcleanup [2023-04-03 07:12:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2023-04-03 07:12:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2023-04-03 07:12:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2023-04-03 07:12:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_frame_type [2023-04-03 07:12:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2023-04-03 07:12:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_start_and_end [2023-04-03 07:12:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_start [2023-04-03 07:12:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_with_end [2023-04-03 07:12:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_no_start_no_end [2023-04-03 07:12:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_jumbo [2023-04-03 07:12:53,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx [2023-04-03 07:12:53,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset_after_host_error [2023-04-03 07:12:53,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_interrupt_handler [2023-04-03 07:12:53,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2023-04-03 07:12:53,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2023-04-03 07:12:53,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2023-04-03 07:12:53,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2023-04-03 07:12:53,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_hard_start_xmit [2023-04-03 07:12:53,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_phy_default_param [2023-04-03 07:12:53,663 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-04-03 07:12:53,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_init_mii [2023-04-03 07:12:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_hw_init [2023-04-03 07:12:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioctl [2023-04-03 07:12:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_change_mtu [2023-04-03 07:12:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_settings [2023-04-03 07:12:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_set_settings [2023-04-03 07:12:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2023-04-03 07:12:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2023-04-03 07:12:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_probe [2023-04-03 07:12:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_pci_driver_init [2023-04-03 07:12:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_pci_driver_exit [2023-04-03 07:12:53,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2023-04-03 07:12:53,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_ipg_pci_driver_init_13_9 [2023-04-03 07:12:53,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2023-04-03 07:12:53,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2023-04-03 07:12:53,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2023-04-03 07:12:53,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_10_1 [2023-04-03 07:12:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_11_1 [2023-04-03 07:12:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_factory_13_13_4 [2023-04-03 07:12:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_4_2 [2023-04-03 07:12:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_4_3 [2023-04-03 07:12:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_6_1 [2023-04-03 07:12:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_9_2 [2023-04-03 07:12:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_12_2 [2023-04-03 07:12:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_8_4 [2023-04-03 07:12:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_factory_13_13_5 [2023-04-03 07:12:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 07:12:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 07:12:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_14 [2023-04-03 07:12:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2023-04-03 07:12:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 07:12:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 07:12:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_18 [2023-04-03 07:12:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_19 [2023-04-03 07:12:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_20 [2023-04-03 07:12:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:12:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 07:12:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_13 [2023-04-03 07:12:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 07:12:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-04-03 07:12:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-04-03 07:12:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2023-04-03 07:12:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 07:12:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 07:12:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 07:12:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:12:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_2_17 [2023-04-03 07:12:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_2_2 [2023-04-03 07:12:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_2_5 [2023-04-03 07:12:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 07:12:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 07:12:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 07:12:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 07:12:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_2 [2023-04-03 07:12:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2023-04-03 07:12:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2023-04-03 07:12:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_8_6 [2023-04-03 07:12:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-04-03 07:12:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-04-03 07:12:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-04-03 07:12:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2023-04-03 07:12:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:12:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:12:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:12:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_11 [2023-04-03 07:12:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_20 [2023-04-03 07:12:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2023-04-03 07:12:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_3 [2023-04-03 07:12:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2023-04-03 07:12:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_4 [2023-04-03 07:12:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_dummy_factory_4 [2023-04-03 07:12:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2023-04-03 07:12:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2023-04-03 07:12:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-04-03 07:12:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_10_2 [2023-04-03 07:12:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_13 [2023-04-03 07:12:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_14 [2023-04-03 07:12:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_15 [2023-04-03 07:12:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_16 [2023-04-03 07:12:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_17 [2023-04-03 07:12:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2023-04-03 07:12:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2023-04-03 07:12:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2023-04-03 07:12:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2023-04-03 07:12:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_26 [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_27 [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_28 [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_29 [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_30 [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_31 [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_32 [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 07:12:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2023-04-03 07:12:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-04-03 07:12:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-04-03 07:12:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-03 07:12:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-04-03 07:12:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-03 07:12:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock [2023-04-03 07:12:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-03 07:12:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-03 07:12:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-03 07:12:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-03 07:12:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mii_mutex_of_ipg_nic_private [2023-04-03 07:12:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mii_mutex_of_ipg_nic_private [2023-04-03 07:12:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mii_mutex_of_ipg_nic_private [2023-04-03 07:12:53,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mii_mutex_of_ipg_nic_private [2023-04-03 07:12:53,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mii_mutex_of_ipg_nic_private [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mii_mutex_of_ipg_nic_private [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_device [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-03 07:12:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 07:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-03 07:12:53,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-03 07:12:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-04-03 07:12:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-04-03 07:12:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-03 07:12:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-03 07:12:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-03 07:12:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-03 07:12:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 07:12:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-04-03 07:12:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-03 07:12:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-03 07:12:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-03 07:12:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2023-04-03 07:12:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-03 07:12:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 07:12:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 07:12:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 07:12:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 07:12:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 07:12:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 07:12:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 07:12:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mii_mutex_of_ipg_nic_private [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mii_mutex_of_ipg_nic_private [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 07:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-03 07:12:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-04-03 07:12:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_13 [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_14 [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2023-04-03 07:12:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_27 [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_30 [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-03 07:12:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_29 [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_26 [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_31 [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_32 [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-03 07:12:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_15 [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_16 [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_17 [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-03 07:12:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_28 [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure send_end [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_led_mode [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_phy_set [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_find_phyaddr [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2023-04-03 07:12:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2023-04-03 07:12:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2023-04-03 07:12:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2023-04-03 07:12:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2023-04-03 07:12:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2023-04-03 07:12:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txcleanup [2023-04-03 07:12:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2023-04-03 07:12:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2023-04-03 07:12:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2023-04-03 07:12:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_frame_type [2023-04-03 07:12:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2023-04-03 07:12:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_start_and_end [2023-04-03 07:12:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_start [2023-04-03 07:12:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_with_end [2023-04-03 07:12:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 07:12:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_no_start_no_end [2023-04-03 07:12:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_jumbo [2023-04-03 07:12:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx [2023-04-03 07:12:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset_after_host_error [2023-04-03 07:12:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_interrupt_handler [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_hard_start_xmit [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_phy_default_param [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_init_mii [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_hw_init [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioctl [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_change_mtu [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_settings [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_set_settings [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_probe [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_pci_driver_init [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_pci_driver_exit [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_ipg_pci_driver_init_13_9 [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2023-04-03 07:12:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_10_1 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_11_1 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_factory_13_13_4 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_4_2 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_4_3 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_6_1 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_9_2 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_12_2 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_8_4 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_factory_13_13_5 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_10 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_13 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_14 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_18 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_19 [2023-04-03 07:12:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_20 [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_13 [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_2_17 [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_2_2 [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_2_5 [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_2_6 [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_2_3 [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_2_8 [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_2_7 [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_2 [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2023-04-03 07:12:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_8_6 [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_11 [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_20 [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_3 [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_4 [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_dummy_factory_4 [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_10_2 [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 07:12:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 07:12:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-04-03 07:12:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mii_mutex_of_ipg_nic_private [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mii_mutex_of_ipg_nic_private [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mii_mutex_of_ipg_nic_private [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mii_mutex_of_ipg_nic_private [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_device [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 07:12:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-03 07:12:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 07:12:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 07:12:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 07:12:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 07:12:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 07:12:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 07:12:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 07:12:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 07:12:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 07:12:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 07:12:54,419 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 07:12:54,425 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 07:12:55,208 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 07:12:56,690 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2023-04-03 07:12:57,708 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 07:12:59,298 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 07:12:59,298 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-04-03 07:12:59,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:12:59 BoogieIcfgContainer [2023-04-03 07:12:59,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 07:12:59,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 07:12:59,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 07:12:59,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 07:12:59,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 07:12:51" (1/3) ... [2023-04-03 07:12:59,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c805a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:12:59, skipping insertion in model container [2023-04-03 07:12:59,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:12:53" (2/3) ... [2023-04-03 07:12:59,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c805a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:12:59, skipping insertion in model container [2023-04-03 07:12:59,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:12:59" (3/3) ... [2023-04-03 07:12:59,308 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2023-04-03 07:12:59,323 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 07:12:59,323 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-04-03 07:12:59,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 07:12:59,396 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;@28154384, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 07:12:59,396 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-04-03 07:12:59,406 INFO L276 IsEmpty]: Start isEmpty. Operand has 2134 states, 1159 states have (on average 1.192407247627265) internal successors, (1382), 1204 states have internal predecessors, (1382), 659 states have call successors, (659), 285 states have call predecessors, (659), 283 states have return successors, (652), 639 states have call predecessors, (652), 652 states have call successors, (652) [2023-04-03 07:12:59,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-04-03 07:12:59,430 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:12:59,430 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:12:59,431 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:12:59,435 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:12:59,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1376517549, now seen corresponding path program 1 times [2023-04-03 07:12:59,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:12:59,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830426057] [2023-04-03 07:12:59,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:12:59,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:12:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:00,118 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-04-03 07:13:00,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:13:00,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830426057] [2023-04-03 07:13:00,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830426057] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:13:00,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:13:00,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:13:00,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883795756] [2023-04-03 07:13:00,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:13:00,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:13:00,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:13:00,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:13:00,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:13:00,161 INFO L87 Difference]: Start difference. First operand has 2134 states, 1159 states have (on average 1.192407247627265) internal successors, (1382), 1204 states have internal predecessors, (1382), 659 states have call successors, (659), 285 states have call predecessors, (659), 283 states have return successors, (652), 639 states have call predecessors, (652), 652 states have call successors, (652) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 07:13:01,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:13:01,631 INFO L93 Difference]: Finished difference Result 5894 states and 7708 transitions. [2023-04-03 07:13:01,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:13:01,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 116 [2023-04-03 07:13:01,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:13:01,658 INFO L225 Difference]: With dead ends: 5894 [2023-04-03 07:13:01,658 INFO L226 Difference]: Without dead ends: 3882 [2023-04-03 07:13:01,669 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 07:13:01,671 INFO L413 NwaCegarLoop]: 2300 mSDtfsCounter, 2449 mSDsluCounter, 2225 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2449 SdHoareTripleChecker+Valid, 4525 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-03 07:13:01,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2449 Valid, 4525 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-03 07:13:01,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3882 states. [2023-04-03 07:13:01,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3882 to 3878. [2023-04-03 07:13:01,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3878 states, 2117 states have (on average 1.1950873878129429) internal successors, (2530), 2200 states have internal predecessors, (2530), 1221 states have call successors, (1221), 540 states have call predecessors, (1221), 537 states have return successors, (1216), 1190 states have call predecessors, (1216), 1216 states have call successors, (1216) [2023-04-03 07:13:01,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3878 states to 3878 states and 4967 transitions. [2023-04-03 07:13:01,866 INFO L78 Accepts]: Start accepts. Automaton has 3878 states and 4967 transitions. Word has length 116 [2023-04-03 07:13:01,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:13:01,867 INFO L495 AbstractCegarLoop]: Abstraction has 3878 states and 4967 transitions. [2023-04-03 07:13:01,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 07:13:01,867 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 4967 transitions. [2023-04-03 07:13:01,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-04-03 07:13:01,871 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:13:01,871 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:13:01,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 07:13:01,872 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:13:01,872 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:13:01,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1382747123, now seen corresponding path program 1 times [2023-04-03 07:13:01,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:13:01,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660987854] [2023-04-03 07:13:01,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:01,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:13:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:02,136 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-04-03 07:13:02,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:13:02,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660987854] [2023-04-03 07:13:02,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660987854] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:13:02,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:13:02,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:13:02,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972526459] [2023-04-03 07:13:02,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:13:02,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:13:02,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:13:02,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:13:02,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:13:02,140 INFO L87 Difference]: Start difference. First operand 3878 states and 4967 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 07:13:04,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:13:04,013 INFO L93 Difference]: Finished difference Result 11124 states and 14299 transitions. [2023-04-03 07:13:04,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:13:04,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 122 [2023-04-03 07:13:04,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:13:04,048 INFO L225 Difference]: With dead ends: 11124 [2023-04-03 07:13:04,049 INFO L226 Difference]: Without dead ends: 7276 [2023-04-03 07:13:04,063 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 07:13:04,064 INFO L413 NwaCegarLoop]: 2283 mSDtfsCounter, 2275 mSDsluCounter, 2199 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2275 SdHoareTripleChecker+Valid, 4482 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:13:04,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2275 Valid, 4482 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 07:13:04,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7276 states. [2023-04-03 07:13:04,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7276 to 7243. [2023-04-03 07:13:04,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7243 states, 3963 states have (on average 1.1930355791067373) internal successors, (4728), 4124 states have internal predecessors, (4728), 2288 states have call successors, (2288), 1001 states have call predecessors, (2288), 989 states have return successors, (2301), 2218 states have call predecessors, (2301), 2283 states have call successors, (2301) [2023-04-03 07:13:04,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7243 states to 7243 states and 9317 transitions. [2023-04-03 07:13:04,337 INFO L78 Accepts]: Start accepts. Automaton has 7243 states and 9317 transitions. Word has length 122 [2023-04-03 07:13:04,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:13:04,337 INFO L495 AbstractCegarLoop]: Abstraction has 7243 states and 9317 transitions. [2023-04-03 07:13:04,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 07:13:04,337 INFO L276 IsEmpty]: Start isEmpty. Operand 7243 states and 9317 transitions. [2023-04-03 07:13:04,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-04-03 07:13:04,343 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:13:04,343 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:13:04,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 07:13:04,343 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:13:04,344 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:13:04,344 INFO L85 PathProgramCache]: Analyzing trace with hash 97106208, now seen corresponding path program 1 times [2023-04-03 07:13:04,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:13:04,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324645168] [2023-04-03 07:13:04,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:04,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:13:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-04-03 07:13:04,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:13:04,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324645168] [2023-04-03 07:13:04,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324645168] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:13:04,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:13:04,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:13:04,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979572109] [2023-04-03 07:13:04,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:13:04,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:13:04,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:13:04,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:13:04,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:13:04,684 INFO L87 Difference]: Start difference. First operand 7243 states and 9317 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 07:13:06,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:13:06,411 INFO L93 Difference]: Finished difference Result 14048 states and 18119 transitions. [2023-04-03 07:13:06,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:13:06,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 131 [2023-04-03 07:13:06,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:13:06,458 INFO L225 Difference]: With dead ends: 14048 [2023-04-03 07:13:06,459 INFO L226 Difference]: Without dead ends: 6835 [2023-04-03 07:13:06,489 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 07:13:06,492 INFO L413 NwaCegarLoop]: 2962 mSDtfsCounter, 1801 mSDsluCounter, 2224 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1801 SdHoareTripleChecker+Valid, 5186 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-03 07:13:06,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1801 Valid, 5186 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-03 07:13:06,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6835 states. [2023-04-03 07:13:06,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6835 to 6804. [2023-04-03 07:13:06,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6804 states, 3757 states have (on average 1.1940377961139206) internal successors, (4486), 3918 states have internal predecessors, (4486), 2123 states have call successors, (2123), 936 states have call predecessors, (2123), 921 states have return successors, (2141), 2044 states have call predecessors, (2141), 2118 states have call successors, (2141) [2023-04-03 07:13:06,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6804 states to 6804 states and 8750 transitions. [2023-04-03 07:13:06,826 INFO L78 Accepts]: Start accepts. Automaton has 6804 states and 8750 transitions. Word has length 131 [2023-04-03 07:13:06,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:13:06,828 INFO L495 AbstractCegarLoop]: Abstraction has 6804 states and 8750 transitions. [2023-04-03 07:13:06,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 07:13:06,829 INFO L276 IsEmpty]: Start isEmpty. Operand 6804 states and 8750 transitions. [2023-04-03 07:13:06,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-04-03 07:13:06,833 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:13:06,833 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:13:06,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 07:13:06,834 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:13:06,835 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:13:06,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1039398770, now seen corresponding path program 1 times [2023-04-03 07:13:06,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:13:06,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239374747] [2023-04-03 07:13:06,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:06,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:13:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:07,285 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2023-04-03 07:13:07,285 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:13:07,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239374747] [2023-04-03 07:13:07,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239374747] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:13:07,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:13:07,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:13:07,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164422125] [2023-04-03 07:13:07,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:13:07,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:13:07,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:13:07,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:13:07,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:13:07,287 INFO L87 Difference]: Start difference. First operand 6804 states and 8750 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 07:13:09,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:13:09,327 INFO L93 Difference]: Finished difference Result 6810 states and 8755 transitions. [2023-04-03 07:13:09,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:13:09,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 184 [2023-04-03 07:13:09,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:13:09,367 INFO L225 Difference]: With dead ends: 6810 [2023-04-03 07:13:09,367 INFO L226 Difference]: Without dead ends: 6808 [2023-04-03 07:13:09,372 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 07:13:09,375 INFO L413 NwaCegarLoop]: 2269 mSDtfsCounter, 2557 mSDsluCounter, 4534 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2560 SdHoareTripleChecker+Valid, 6803 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-04-03 07:13:09,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2560 Valid, 6803 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-04-03 07:13:09,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6808 states. [2023-04-03 07:13:09,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6808 to 6808. [2023-04-03 07:13:09,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6808 states, 3760 states have (on average 1.1938829787234042) internal successors, (4489), 3921 states have internal predecessors, (4489), 2123 states have call successors, (2123), 937 states have call predecessors, (2123), 922 states have return successors, (2141), 2044 states have call predecessors, (2141), 2118 states have call successors, (2141) [2023-04-03 07:13:09,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6808 states to 6808 states and 8753 transitions. [2023-04-03 07:13:09,678 INFO L78 Accepts]: Start accepts. Automaton has 6808 states and 8753 transitions. Word has length 184 [2023-04-03 07:13:09,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:13:09,680 INFO L495 AbstractCegarLoop]: Abstraction has 6808 states and 8753 transitions. [2023-04-03 07:13:09,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 07:13:09,680 INFO L276 IsEmpty]: Start isEmpty. Operand 6808 states and 8753 transitions. [2023-04-03 07:13:09,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-04-03 07:13:09,686 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:13:09,686 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:13:09,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 07:13:09,687 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:13:09,687 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:13:09,687 INFO L85 PathProgramCache]: Analyzing trace with hash 2086987665, now seen corresponding path program 1 times [2023-04-03 07:13:09,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:13:09,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409911448] [2023-04-03 07:13:09,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:09,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:13:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2023-04-03 07:13:10,123 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:13:10,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409911448] [2023-04-03 07:13:10,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409911448] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:13:10,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:13:10,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:13:10,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783483762] [2023-04-03 07:13:10,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:13:10,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:13:10,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:13:10,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:13:10,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:13:10,124 INFO L87 Difference]: Start difference. First operand 6808 states and 8753 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 07:13:11,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:13:11,899 INFO L93 Difference]: Finished difference Result 6814 states and 8758 transitions. [2023-04-03 07:13:11,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:13:11,902 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 189 [2023-04-03 07:13:11,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:13:11,942 INFO L225 Difference]: With dead ends: 6814 [2023-04-03 07:13:11,942 INFO L226 Difference]: Without dead ends: 6812 [2023-04-03 07:13:11,946 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 07:13:11,948 INFO L413 NwaCegarLoop]: 2272 mSDtfsCounter, 2552 mSDsluCounter, 4534 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2554 SdHoareTripleChecker+Valid, 6806 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:13:11,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2554 Valid, 6806 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 07:13:11,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6812 states. [2023-04-03 07:13:12,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6812 to 6812. [2023-04-03 07:13:12,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6812 states, 3763 states have (on average 1.1937284081849588) internal successors, (4492), 3924 states have internal predecessors, (4492), 2123 states have call successors, (2123), 938 states have call predecessors, (2123), 923 states have return successors, (2141), 2044 states have call predecessors, (2141), 2118 states have call successors, (2141) [2023-04-03 07:13:12,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 8756 transitions. [2023-04-03 07:13:12,213 INFO L78 Accepts]: Start accepts. Automaton has 6812 states and 8756 transitions. Word has length 189 [2023-04-03 07:13:12,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:13:12,213 INFO L495 AbstractCegarLoop]: Abstraction has 6812 states and 8756 transitions. [2023-04-03 07:13:12,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 07:13:12,213 INFO L276 IsEmpty]: Start isEmpty. Operand 6812 states and 8756 transitions. [2023-04-03 07:13:12,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-04-03 07:13:12,217 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:13:12,217 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:13:12,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 07:13:12,218 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:13:12,218 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:13:12,218 INFO L85 PathProgramCache]: Analyzing trace with hash 117115438, now seen corresponding path program 1 times [2023-04-03 07:13:12,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:13:12,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129062139] [2023-04-03 07:13:12,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:12,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:13:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:12,642 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2023-04-03 07:13:12,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:13:12,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129062139] [2023-04-03 07:13:12,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129062139] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:13:12,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:13:12,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:13:12,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586300574] [2023-04-03 07:13:12,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:13:12,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:13:12,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:13:12,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:13:12,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:13:12,644 INFO L87 Difference]: Start difference. First operand 6812 states and 8756 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 07:13:14,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:13:14,527 INFO L93 Difference]: Finished difference Result 6818 states and 8761 transitions. [2023-04-03 07:13:14,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:13:14,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 194 [2023-04-03 07:13:14,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:13:14,570 INFO L225 Difference]: With dead ends: 6818 [2023-04-03 07:13:14,570 INFO L226 Difference]: Without dead ends: 6814 [2023-04-03 07:13:14,574 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 07:13:14,575 INFO L413 NwaCegarLoop]: 2272 mSDtfsCounter, 2498 mSDsluCounter, 4581 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2499 SdHoareTripleChecker+Valid, 6853 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:13:14,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2499 Valid, 6853 Invalid, 917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 07:13:14,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6814 states. [2023-04-03 07:13:14,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6814 to 6814. [2023-04-03 07:13:14,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6814 states, 3765 states have (on average 1.1933598937583) internal successors, (4493), 3925 states have internal predecessors, (4493), 2123 states have call successors, (2123), 939 states have call predecessors, (2123), 923 states have return successors, (2141), 2044 states have call predecessors, (2141), 2118 states have call successors, (2141) [2023-04-03 07:13:14,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6814 states to 6814 states and 8757 transitions. [2023-04-03 07:13:14,836 INFO L78 Accepts]: Start accepts. Automaton has 6814 states and 8757 transitions. Word has length 194 [2023-04-03 07:13:14,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:13:14,838 INFO L495 AbstractCegarLoop]: Abstraction has 6814 states and 8757 transitions. [2023-04-03 07:13:14,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 07:13:14,839 INFO L276 IsEmpty]: Start isEmpty. Operand 6814 states and 8757 transitions. [2023-04-03 07:13:14,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-04-03 07:13:14,842 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:13:14,843 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:13:14,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 07:13:14,843 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:13:14,843 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:13:14,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1158669967, now seen corresponding path program 1 times [2023-04-03 07:13:14,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:13:14,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331324635] [2023-04-03 07:13:14,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:14,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:13:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:15,261 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-04-03 07:13:15,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:13:15,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331324635] [2023-04-03 07:13:15,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331324635] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:13:15,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:13:15,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:13:15,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562793145] [2023-04-03 07:13:15,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:13:15,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:13:15,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:13:15,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:13:15,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:13:15,263 INFO L87 Difference]: Start difference. First operand 6814 states and 8757 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 07:13:16,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:13:16,980 INFO L93 Difference]: Finished difference Result 6814 states and 8757 transitions. [2023-04-03 07:13:16,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:13:16,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 199 [2023-04-03 07:13:16,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:13:17,015 INFO L225 Difference]: With dead ends: 6814 [2023-04-03 07:13:17,016 INFO L226 Difference]: Without dead ends: 6701 [2023-04-03 07:13:17,019 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 07:13:17,020 INFO L413 NwaCegarLoop]: 2270 mSDtfsCounter, 2548 mSDsluCounter, 4533 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2548 SdHoareTripleChecker+Valid, 6803 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:13:17,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2548 Valid, 6803 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 07:13:17,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6701 states. [2023-04-03 07:13:17,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6701 to 6701. [2023-04-03 07:13:17,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6701 states, 3723 states have (on average 1.1923180230996508) internal successors, (4439), 3871 states have internal predecessors, (4439), 2072 states have call successors, (2072), 910 states have call predecessors, (2072), 904 states have return successors, (2094), 2014 states have call predecessors, (2094), 2071 states have call successors, (2094) [2023-04-03 07:13:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6701 states to 6701 states and 8605 transitions. [2023-04-03 07:13:17,325 INFO L78 Accepts]: Start accepts. Automaton has 6701 states and 8605 transitions. Word has length 199 [2023-04-03 07:13:17,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:13:17,325 INFO L495 AbstractCegarLoop]: Abstraction has 6701 states and 8605 transitions. [2023-04-03 07:13:17,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 07:13:17,325 INFO L276 IsEmpty]: Start isEmpty. Operand 6701 states and 8605 transitions. [2023-04-03 07:13:17,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-04-03 07:13:17,330 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:13:17,330 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:13:17,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 07:13:17,330 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:13:17,330 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:13:17,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1732430377, now seen corresponding path program 1 times [2023-04-03 07:13:17,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:13:17,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808119128] [2023-04-03 07:13:17,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:17,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:13:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:17,562 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2023-04-03 07:13:17,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:13:17,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808119128] [2023-04-03 07:13:17,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808119128] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:13:17,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:13:17,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:13:17,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262716249] [2023-04-03 07:13:17,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:13:17,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:13:17,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:13:17,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:13:17,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:13:17,564 INFO L87 Difference]: Start difference. First operand 6701 states and 8605 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-03 07:13:20,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:13:20,367 INFO L93 Difference]: Finished difference Result 14850 states and 19090 transitions. [2023-04-03 07:13:20,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:13:20,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 211 [2023-04-03 07:13:20,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:13:20,415 INFO L225 Difference]: With dead ends: 14850 [2023-04-03 07:13:20,416 INFO L226 Difference]: Without dead ends: 8958 [2023-04-03 07:13:20,439 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 07:13:20,441 INFO L413 NwaCegarLoop]: 3741 mSDtfsCounter, 1748 mSDsluCounter, 2176 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1748 SdHoareTripleChecker+Valid, 5917 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:13:20,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1748 Valid, 5917 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-04-03 07:13:20,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8958 states. [2023-04-03 07:13:20,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8958 to 8946. [2023-04-03 07:13:20,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8946 states, 4984 states have (on average 1.1924157303370786) internal successors, (5943), 5180 states have internal predecessors, (5943), 2754 states have call successors, (2754), 1214 states have call predecessors, (2754), 1206 states have return successors, (2787), 2678 states have call predecessors, (2787), 2753 states have call successors, (2787) [2023-04-03 07:13:20,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8946 states to 8946 states and 11484 transitions. [2023-04-03 07:13:20,903 INFO L78 Accepts]: Start accepts. Automaton has 8946 states and 11484 transitions. Word has length 211 [2023-04-03 07:13:20,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:13:20,905 INFO L495 AbstractCegarLoop]: Abstraction has 8946 states and 11484 transitions. [2023-04-03 07:13:20,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-03 07:13:20,905 INFO L276 IsEmpty]: Start isEmpty. Operand 8946 states and 11484 transitions. [2023-04-03 07:13:20,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2023-04-03 07:13:20,913 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:13:20,913 INFO L195 NwaCegarLoop]: trace histogram [14, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:13:20,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 07:13:20,914 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:13:20,914 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:13:20,914 INFO L85 PathProgramCache]: Analyzing trace with hash 798966912, now seen corresponding path program 1 times [2023-04-03 07:13:20,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:13:20,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665430443] [2023-04-03 07:13:20,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:20,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:13:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:21,999 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2023-04-03 07:13:22,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:13:22,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665430443] [2023-04-03 07:13:22,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665430443] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 07:13:22,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815339120] [2023-04-03 07:13:22,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:22,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 07:13:22,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:13:22,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 07:13:22,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 07:13:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:22,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 3199 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-03 07:13:22,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 07:13:23,034 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-04-03 07:13:23,034 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 07:13:23,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815339120] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:13:23,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 07:13:23,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-04-03 07:13:23,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994901436] [2023-04-03 07:13:23,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:13:23,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:13:23,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:13:23,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:13:23,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 07:13:23,038 INFO L87 Difference]: Start difference. First operand 8946 states and 11484 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-04-03 07:13:25,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:13:25,105 INFO L93 Difference]: Finished difference Result 19562 states and 25115 transitions. [2023-04-03 07:13:25,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:13:25,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 276 [2023-04-03 07:13:25,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:13:25,143 INFO L225 Difference]: With dead ends: 19562 [2023-04-03 07:13:25,143 INFO L226 Difference]: Without dead ends: 11425 [2023-04-03 07:13:25,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 07:13:25,170 INFO L413 NwaCegarLoop]: 3766 mSDtfsCounter, 2217 mSDsluCounter, 1799 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2217 SdHoareTripleChecker+Valid, 5565 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:13:25,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2217 Valid, 5565 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 07:13:25,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11425 states. [2023-04-03 07:13:25,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11425 to 11413. [2023-04-03 07:13:25,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11413 states, 6369 states have (on average 1.1923378866384047) internal successors, (7594), 6618 states have internal predecessors, (7594), 3496 states have call successors, (3496), 1554 states have call predecessors, (3496), 1546 states have return successors, (3547), 3402 states have call predecessors, (3547), 3495 states have call successors, (3547) [2023-04-03 07:13:25,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11413 states to 11413 states and 14637 transitions. [2023-04-03 07:13:25,775 INFO L78 Accepts]: Start accepts. Automaton has 11413 states and 14637 transitions. Word has length 276 [2023-04-03 07:13:25,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:13:25,776 INFO L495 AbstractCegarLoop]: Abstraction has 11413 states and 14637 transitions. [2023-04-03 07:13:25,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-04-03 07:13:25,776 INFO L276 IsEmpty]: Start isEmpty. Operand 11413 states and 14637 transitions. [2023-04-03 07:13:25,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2023-04-03 07:13:25,796 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:13:25,796 INFO L195 NwaCegarLoop]: trace histogram [16, 10, 10, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:13:25,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-03 07:13:26,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 07:13:26,013 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:13:26,013 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:13:26,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1535636704, now seen corresponding path program 1 times [2023-04-03 07:13:26,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:13:26,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610335770] [2023-04-03 07:13:26,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:26,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:13:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:27,176 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2023-04-03 07:13:27,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:13:27,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610335770] [2023-04-03 07:13:27,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610335770] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 07:13:27,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308019197] [2023-04-03 07:13:27,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:27,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 07:13:27,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:13:27,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 07:13:27,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 07:13:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:28,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 3659 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-03 07:13:28,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 07:13:28,142 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2023-04-03 07:13:28,142 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 07:13:28,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308019197] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:13:28,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 07:13:28,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-04-03 07:13:28,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667991687] [2023-04-03 07:13:28,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:13:28,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:13:28,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:13:28,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:13:28,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 07:13:28,144 INFO L87 Difference]: Start difference. First operand 11413 states and 14637 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2023-04-03 07:13:30,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:13:30,254 INFO L93 Difference]: Finished difference Result 24280 states and 31166 transitions. [2023-04-03 07:13:30,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:13:30,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 341 [2023-04-03 07:13:30,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:13:30,316 INFO L225 Difference]: With dead ends: 24280 [2023-04-03 07:13:30,316 INFO L226 Difference]: Without dead ends: 13676 [2023-04-03 07:13:30,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 07:13:30,350 INFO L413 NwaCegarLoop]: 3544 mSDtfsCounter, 1764 mSDsluCounter, 2187 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 5731 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:13:30,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 5731 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 07:13:30,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13676 states. [2023-04-03 07:13:31,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13676 to 13664. [2023-04-03 07:13:31,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13664 states, 7638 states have (on average 1.1932443047918304) internal successors, (9114), 7937 states have internal predecessors, (9114), 4174 states have call successors, (4174), 1858 states have call predecessors, (4174), 1850 states have return successors, (4242), 4062 states have call predecessors, (4242), 4173 states have call successors, (4242) [2023-04-03 07:13:31,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13664 states to 13664 states and 17530 transitions. [2023-04-03 07:13:31,093 INFO L78 Accepts]: Start accepts. Automaton has 13664 states and 17530 transitions. Word has length 341 [2023-04-03 07:13:31,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:13:31,093 INFO L495 AbstractCegarLoop]: Abstraction has 13664 states and 17530 transitions. [2023-04-03 07:13:31,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2023-04-03 07:13:31,094 INFO L276 IsEmpty]: Start isEmpty. Operand 13664 states and 17530 transitions. [2023-04-03 07:13:31,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2023-04-03 07:13:31,110 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:13:31,110 INFO L195 NwaCegarLoop]: trace histogram [18, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:13:31,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-03 07:13:31,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-04-03 07:13:31,317 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:13:31,318 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:13:31,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1014177640, now seen corresponding path program 1 times [2023-04-03 07:13:31,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:13:31,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253836727] [2023-04-03 07:13:31,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:31,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:13:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:31,765 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2023-04-03 07:13:31,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:13:31,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253836727] [2023-04-03 07:13:31,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253836727] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:13:31,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:13:31,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:13:31,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016960562] [2023-04-03 07:13:31,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:13:31,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:13:31,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:13:31,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:13:31,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:13:31,768 INFO L87 Difference]: Start difference. First operand 13664 states and 17530 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2023-04-03 07:13:35,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:13:35,597 INFO L93 Difference]: Finished difference Result 28995 states and 37185 transitions. [2023-04-03 07:13:35,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 07:13:35,597 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) Word has length 380 [2023-04-03 07:13:35,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:13:35,660 INFO L225 Difference]: With dead ends: 28995 [2023-04-03 07:13:35,660 INFO L226 Difference]: Without dead ends: 16140 [2023-04-03 07:13:35,691 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 07:13:35,691 INFO L413 NwaCegarLoop]: 3673 mSDtfsCounter, 1854 mSDsluCounter, 9492 mSDsCounter, 0 mSdLazyCounter, 1833 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 13165 SdHoareTripleChecker+Invalid, 1836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:13:35,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1854 Valid, 13165 Invalid, 1836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1833 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-04-03 07:13:35,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16140 states. [2023-04-03 07:13:36,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16140 to 16124. [2023-04-03 07:13:36,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16124 states, 9000 states have (on average 1.1924444444444444) internal successors, (10732), 9353 states have internal predecessors, (10732), 4925 states have call successors, (4925), 2206 states have call predecessors, (4925), 2197 states have return successors, (5011), 4794 states have call predecessors, (5011), 4924 states have call successors, (5011) [2023-04-03 07:13:36,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16124 states to 16124 states and 20668 transitions. [2023-04-03 07:13:36,570 INFO L78 Accepts]: Start accepts. Automaton has 16124 states and 20668 transitions. Word has length 380 [2023-04-03 07:13:36,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:13:36,570 INFO L495 AbstractCegarLoop]: Abstraction has 16124 states and 20668 transitions. [2023-04-03 07:13:36,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2023-04-03 07:13:36,571 INFO L276 IsEmpty]: Start isEmpty. Operand 16124 states and 20668 transitions. [2023-04-03 07:13:36,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2023-04-03 07:13:36,588 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:13:36,588 INFO L195 NwaCegarLoop]: trace histogram [18, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:13:36,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-03 07:13:36,588 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:13:36,588 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:13:36,589 INFO L85 PathProgramCache]: Analyzing trace with hash 2028390827, now seen corresponding path program 1 times [2023-04-03 07:13:36,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:13:36,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877135013] [2023-04-03 07:13:36,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:36,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:13:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:36,983 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2023-04-03 07:13:36,983 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:13:36,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877135013] [2023-04-03 07:13:36,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877135013] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:13:36,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:13:36,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:13:36,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278760968] [2023-04-03 07:13:36,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:13:36,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:13:36,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:13:36,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:13:36,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:13:36,985 INFO L87 Difference]: Start difference. First operand 16124 states and 20668 transitions. Second operand has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 3 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2023-04-03 07:13:43,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 07:13:43,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:13:43,887 INFO L93 Difference]: Finished difference Result 33702 states and 43212 transitions. [2023-04-03 07:13:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 07:13:43,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 3 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) Word has length 381 [2023-04-03 07:13:43,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:13:43,971 INFO L225 Difference]: With dead ends: 33702 [2023-04-03 07:13:43,972 INFO L226 Difference]: Without dead ends: 18387 [2023-04-03 07:13:44,027 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 07:13:44,029 INFO L413 NwaCegarLoop]: 3770 mSDtfsCounter, 1755 mSDsluCounter, 9723 mSDsCounter, 0 mSdLazyCounter, 1859 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1755 SdHoareTripleChecker+Valid, 13493 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1859 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:13:44,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1755 Valid, 13493 Invalid, 1868 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 1859 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2023-04-03 07:13:44,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18387 states. [2023-04-03 07:13:44,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18387 to 18371. [2023-04-03 07:13:45,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18371 states, 10257 states have (on average 1.192551428292873) internal successors, (12232), 10660 states have internal predecessors, (12232), 5605 states have call successors, (5605), 2514 states have call predecessors, (5605), 2507 states have return successors, (5708), 5458 states have call predecessors, (5708), 5604 states have call successors, (5708) [2023-04-03 07:13:45,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18371 states to 18371 states and 23545 transitions. [2023-04-03 07:13:45,071 INFO L78 Accepts]: Start accepts. Automaton has 18371 states and 23545 transitions. Word has length 381 [2023-04-03 07:13:45,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:13:45,072 INFO L495 AbstractCegarLoop]: Abstraction has 18371 states and 23545 transitions. [2023-04-03 07:13:45,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 3 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2023-04-03 07:13:45,072 INFO L276 IsEmpty]: Start isEmpty. Operand 18371 states and 23545 transitions. [2023-04-03 07:13:45,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2023-04-03 07:13:45,089 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:13:45,089 INFO L195 NwaCegarLoop]: trace histogram [18, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:13:45,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-03 07:13:45,090 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:13:45,090 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:13:45,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1438691070, now seen corresponding path program 1 times [2023-04-03 07:13:45,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:13:45,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888854340] [2023-04-03 07:13:45,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:45,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:13:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:45,458 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2023-04-03 07:13:45,458 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:13:45,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888854340] [2023-04-03 07:13:45,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888854340] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:13:45,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:13:45,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:13:45,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770612672] [2023-04-03 07:13:45,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:13:45,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:13:45,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:13:45,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:13:45,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:13:45,461 INFO L87 Difference]: Start difference. First operand 18371 states and 23545 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2023-04-03 07:13:49,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:13:49,957 INFO L93 Difference]: Finished difference Result 38174 states and 48950 transitions. [2023-04-03 07:13:49,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 07:13:49,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) Word has length 382 [2023-04-03 07:13:49,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:13:50,044 INFO L225 Difference]: With dead ends: 38174 [2023-04-03 07:13:50,044 INFO L226 Difference]: Without dead ends: 20612 [2023-04-03 07:13:50,102 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 07:13:50,102 INFO L413 NwaCegarLoop]: 3770 mSDtfsCounter, 1740 mSDsluCounter, 9733 mSDsCounter, 0 mSdLazyCounter, 1868 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1740 SdHoareTripleChecker+Valid, 13503 SdHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:13:50,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1740 Valid, 13503 Invalid, 1877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1868 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-04-03 07:13:50,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20612 states. [2023-04-03 07:13:51,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20612 to 20596. [2023-04-03 07:13:51,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20596 states, 11504 states have (on average 1.1928025034770515) internal successors, (13722), 11957 states have internal predecessors, (13722), 6281 states have call successors, (6281), 2816 states have call predecessors, (6281), 2809 states have return successors, (6397), 6116 states have call predecessors, (6397), 6280 states have call successors, (6397) [2023-04-03 07:13:51,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20596 states to 20596 states and 26400 transitions. [2023-04-03 07:13:51,196 INFO L78 Accepts]: Start accepts. Automaton has 20596 states and 26400 transitions. Word has length 382 [2023-04-03 07:13:51,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:13:51,197 INFO L495 AbstractCegarLoop]: Abstraction has 20596 states and 26400 transitions. [2023-04-03 07:13:51,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2023-04-03 07:13:51,197 INFO L276 IsEmpty]: Start isEmpty. Operand 20596 states and 26400 transitions. [2023-04-03 07:13:51,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2023-04-03 07:13:51,214 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:13:51,214 INFO L195 NwaCegarLoop]: trace histogram [19, 11, 11, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:13:51,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-03 07:13:51,214 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:13:51,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:13:51,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1365067131, now seen corresponding path program 1 times [2023-04-03 07:13:51,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:13:51,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707726231] [2023-04-03 07:13:51,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:51,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:13:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:51,564 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 803 trivial. 0 not checked. [2023-04-03 07:13:51,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:13:51,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707726231] [2023-04-03 07:13:51,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707726231] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:13:51,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:13:51,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:13:51,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699294551] [2023-04-03 07:13:51,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:13:51,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:13:51,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:13:51,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:13:51,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:13:51,568 INFO L87 Difference]: Start difference. First operand 20596 states and 26400 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (58), 3 states have call predecessors, (58), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2023-04-03 07:13:53,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:13:53,984 INFO L93 Difference]: Finished difference Result 42722 states and 54770 transitions. [2023-04-03 07:13:53,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:13:53,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (58), 3 states have call predecessors, (58), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 397 [2023-04-03 07:13:53,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:13:54,056 INFO L225 Difference]: With dead ends: 42722 [2023-04-03 07:13:54,057 INFO L226 Difference]: Without dead ends: 22935 [2023-04-03 07:13:54,093 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 07:13:54,093 INFO L413 NwaCegarLoop]: 3826 mSDtfsCounter, 1817 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 6012 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:13:54,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 6012 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 07:13:54,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22935 states. [2023-04-03 07:13:55,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22935 to 22923. [2023-04-03 07:13:55,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22923 states, 12797 states have (on average 1.1930139876533563) internal successors, (15267), 13304 states have internal predecessors, (15267), 6994 states have call successors, (6994), 3137 states have call predecessors, (6994), 3130 states have return successors, (7124), 6811 states have call predecessors, (7124), 6993 states have call successors, (7124) [2023-04-03 07:13:55,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22923 states to 22923 states and 29385 transitions. [2023-04-03 07:13:55,155 INFO L78 Accepts]: Start accepts. Automaton has 22923 states and 29385 transitions. Word has length 397 [2023-04-03 07:13:55,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:13:55,156 INFO L495 AbstractCegarLoop]: Abstraction has 22923 states and 29385 transitions. [2023-04-03 07:13:55,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (58), 3 states have call predecessors, (58), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2023-04-03 07:13:55,156 INFO L276 IsEmpty]: Start isEmpty. Operand 22923 states and 29385 transitions. [2023-04-03 07:13:55,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2023-04-03 07:13:55,185 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:13:55,185 INFO L195 NwaCegarLoop]: trace histogram [19, 11, 11, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:13:55,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-03 07:13:55,185 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:13:55,185 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:13:55,186 INFO L85 PathProgramCache]: Analyzing trace with hash -2104529566, now seen corresponding path program 1 times [2023-04-03 07:13:55,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:13:55,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054188557] [2023-04-03 07:13:55,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:55,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:13:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:55,595 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 58 proven. 15 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-04-03 07:13:55,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:13:55,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054188557] [2023-04-03 07:13:55,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054188557] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 07:13:55,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935677520] [2023-04-03 07:13:55,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:13:55,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 07:13:55,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:13:55,597 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 07:13:55,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-03 07:13:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:13:56,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 3944 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-03 07:13:56,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 07:13:56,504 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2023-04-03 07:13:56,504 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 07:13:56,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935677520] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:13:56,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 07:13:56,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-04-03 07:13:56,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899068896] [2023-04-03 07:13:56,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:13:56,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:13:56,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:13:56,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:13:56,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:13:56,506 INFO L87 Difference]: Start difference. First operand 22923 states and 29385 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2023-04-03 07:13:58,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:13:58,935 INFO L93 Difference]: Finished difference Result 47300 states and 60673 transitions. [2023-04-03 07:13:58,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:13:58,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 404 [2023-04-03 07:13:58,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:13:59,048 INFO L225 Difference]: With dead ends: 47300 [2023-04-03 07:13:59,048 INFO L226 Difference]: Without dead ends: 25186 [2023-04-03 07:13:59,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 406 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-03 07:13:59,116 INFO L413 NwaCegarLoop]: 2605 mSDtfsCounter, 2260 mSDsluCounter, 1761 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2260 SdHoareTripleChecker+Valid, 4366 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-03 07:13:59,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2260 Valid, 4366 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-03 07:13:59,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25186 states. [2023-04-03 07:14:00,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25186 to 25174. [2023-04-03 07:14:00,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25174 states, 14066 states have (on average 1.1941561211431821) internal successors, (16797), 14623 states have internal predecessors, (16797), 7672 states have call successors, (7672), 3441 states have call predecessors, (7672), 3434 states have return successors, (7830), 7471 states have call predecessors, (7830), 7671 states have call successors, (7830) [2023-04-03 07:14:00,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25174 states to 25174 states and 32299 transitions. [2023-04-03 07:14:00,671 INFO L78 Accepts]: Start accepts. Automaton has 25174 states and 32299 transitions. Word has length 404 [2023-04-03 07:14:00,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:14:00,671 INFO L495 AbstractCegarLoop]: Abstraction has 25174 states and 32299 transitions. [2023-04-03 07:14:00,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2023-04-03 07:14:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 25174 states and 32299 transitions. [2023-04-03 07:14:00,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2023-04-03 07:14:00,691 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:14:00,691 INFO L195 NwaCegarLoop]: trace histogram [19, 12, 12, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:14:00,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-03 07:14:00,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 07:14:00,892 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:14:00,894 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:14:00,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1904975519, now seen corresponding path program 1 times [2023-04-03 07:14:00,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:14:00,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891468969] [2023-04-03 07:14:00,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:14:00,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:14:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:14:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2023-04-03 07:14:01,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:14:01,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891468969] [2023-04-03 07:14:01,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891468969] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:14:01,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:14:01,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:14:01,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824076926] [2023-04-03 07:14:01,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:14:01,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:14:01,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:14:01,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:14:01,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:14:01,273 INFO L87 Difference]: Start difference. First operand 25174 states and 32299 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (60), 3 states have call predecessors, (60), 2 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2023-04-03 07:14:03,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:14:03,929 INFO L93 Difference]: Finished difference Result 51770 states and 66447 transitions. [2023-04-03 07:14:03,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:14:03,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (60), 3 states have call predecessors, (60), 2 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 415 [2023-04-03 07:14:03,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:14:04,015 INFO L225 Difference]: With dead ends: 51770 [2023-04-03 07:14:04,016 INFO L226 Difference]: Without dead ends: 27405 [2023-04-03 07:14:04,072 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 07:14:04,073 INFO L413 NwaCegarLoop]: 3768 mSDtfsCounter, 1753 mSDsluCounter, 2185 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1753 SdHoareTripleChecker+Valid, 5953 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-04-03 07:14:04,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1753 Valid, 5953 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-03 07:14:04,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27405 states. [2023-04-03 07:14:05,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27405 to 27393. [2023-04-03 07:14:05,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27393 states, 15307 states have (on average 1.1942901940288757) internal successors, (18281), 15914 states have internal predecessors, (18281), 8348 states have call successors, (8348), 3743 states have call predecessors, (8348), 3736 states have return successors, (8519), 8129 states have call predecessors, (8519), 8347 states have call successors, (8519) [2023-04-03 07:14:05,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27393 states to 27393 states and 35148 transitions. [2023-04-03 07:14:05,387 INFO L78 Accepts]: Start accepts. Automaton has 27393 states and 35148 transitions. Word has length 415 [2023-04-03 07:14:05,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:14:05,387 INFO L495 AbstractCegarLoop]: Abstraction has 27393 states and 35148 transitions. [2023-04-03 07:14:05,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (60), 3 states have call predecessors, (60), 2 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2023-04-03 07:14:05,388 INFO L276 IsEmpty]: Start isEmpty. Operand 27393 states and 35148 transitions. [2023-04-03 07:14:05,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2023-04-03 07:14:05,406 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:14:05,406 INFO L195 NwaCegarLoop]: trace histogram [21, 11, 11, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:14:05,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-03 07:14:05,407 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:14:05,407 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:14:05,407 INFO L85 PathProgramCache]: Analyzing trace with hash 811397546, now seen corresponding path program 1 times [2023-04-03 07:14:05,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:14:05,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465323716] [2023-04-03 07:14:05,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:14:05,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:14:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:14:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2023-04-03 07:14:05,904 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:14:05,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465323716] [2023-04-03 07:14:05,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465323716] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:14:05,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:14:05,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:14:05,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274501805] [2023-04-03 07:14:05,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:14:05,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:14:05,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:14:05,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:14:05,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:14:05,906 INFO L87 Difference]: Start difference. First operand 27393 states and 35148 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, (59), 3 states have call predecessors, (59), 3 states have return successors, (52), 4 states have call predecessors, (52), 3 states have call successors, (52) [2023-04-03 07:14:11,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:14:11,216 INFO L93 Difference]: Finished difference Result 56883 states and 72945 transitions. [2023-04-03 07:14:11,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 07:14:11,217 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, (59), 3 states have call predecessors, (59), 3 states have return successors, (52), 4 states have call predecessors, (52), 3 states have call successors, (52) Word has length 435 [2023-04-03 07:14:11,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:14:11,313 INFO L225 Difference]: With dead ends: 56883 [2023-04-03 07:14:11,314 INFO L226 Difference]: Without dead ends: 30299 [2023-04-03 07:14:11,377 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 07:14:11,377 INFO L413 NwaCegarLoop]: 3600 mSDtfsCounter, 1853 mSDsluCounter, 9346 mSDsCounter, 0 mSdLazyCounter, 1815 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1853 SdHoareTripleChecker+Valid, 12946 SdHoareTripleChecker+Invalid, 1818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:14:11,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1853 Valid, 12946 Invalid, 1818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1815 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-04-03 07:14:11,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30299 states. [2023-04-03 07:14:12,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30299 to 28076. [2023-04-03 07:14:12,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28076 states, 15655 states have (on average 1.1920153305653145) internal successors, (18661), 16270 states have internal predecessors, (18661), 8563 states have call successors, (8563), 3859 states have call predecessors, (8563), 3856 states have return successors, (8740), 8346 states have call predecessors, (8740), 8562 states have call successors, (8740) [2023-04-03 07:14:12,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28076 states to 28076 states and 35964 transitions. [2023-04-03 07:14:12,842 INFO L78 Accepts]: Start accepts. Automaton has 28076 states and 35964 transitions. Word has length 435 [2023-04-03 07:14:12,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:14:12,843 INFO L495 AbstractCegarLoop]: Abstraction has 28076 states and 35964 transitions. [2023-04-03 07:14:12,843 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, (59), 3 states have call predecessors, (59), 3 states have return successors, (52), 4 states have call predecessors, (52), 3 states have call successors, (52) [2023-04-03 07:14:12,843 INFO L276 IsEmpty]: Start isEmpty. Operand 28076 states and 35964 transitions. [2023-04-03 07:14:12,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2023-04-03 07:14:12,864 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:14:12,865 INFO L195 NwaCegarLoop]: trace histogram [21, 11, 11, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 07:14:12,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-03 07:14:12,865 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:14:12,865 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:14:12,865 INFO L85 PathProgramCache]: Analyzing trace with hash -241155143, now seen corresponding path program 1 times [2023-04-03 07:14:12,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:14:12,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826603970] [2023-04-03 07:14:12,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:14:12,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:14:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:14:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 984 trivial. 0 not checked. [2023-04-03 07:14:13,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:14:13,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826603970] [2023-04-03 07:14:13,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826603970] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:14:13,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:14:13,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 07:14:13,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495916731] [2023-04-03 07:14:13,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:14:13,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:14:13,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:14:13,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:14:13,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 07:14:13,259 INFO L87 Difference]: Start difference. First operand 28076 states and 35964 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, (59), 3 states have call predecessors, (59), 3 states have return successors, (52), 4 states have call predecessors, (52), 3 states have call successors, (52) [2023-04-03 07:14:17,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:14:17,509 INFO L93 Difference]: Finished difference Result 57592 states and 73799 transitions. [2023-04-03 07:14:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 07:14:17,510 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, (59), 3 states have call predecessors, (59), 3 states have return successors, (52), 4 states have call predecessors, (52), 3 states have call successors, (52) Word has length 436 [2023-04-03 07:14:17,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:14:17,636 INFO L225 Difference]: With dead ends: 57592 [2023-04-03 07:14:17,637 INFO L226 Difference]: Without dead ends: 30325 [2023-04-03 07:14:17,779 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 07:14:17,780 INFO L413 NwaCegarLoop]: 3770 mSDtfsCounter, 1754 mSDsluCounter, 9723 mSDsCounter, 0 mSdLazyCounter, 1863 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1754 SdHoareTripleChecker+Valid, 13493 SdHoareTripleChecker+Invalid, 1871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-04-03 07:14:17,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1754 Valid, 13493 Invalid, 1871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1863 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-04-03 07:14:17,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30325 states. [2023-04-03 07:14:18,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30325 to 28092. [2023-04-03 07:14:18,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28092 states, 15665 states have (on average 1.1918927545483562) internal successors, (18671), 16282 states have internal predecessors, (18671), 8563 states have call successors, (8563), 3861 states have call predecessors, (8563), 3862 states have return successors, (8746), 8348 states have call predecessors, (8746), 8562 states have call successors, (8746) [2023-04-03 07:14:19,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28092 states to 28092 states and 35980 transitions. [2023-04-03 07:14:19,038 INFO L78 Accepts]: Start accepts. Automaton has 28092 states and 35980 transitions. Word has length 436 [2023-04-03 07:14:19,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:14:19,038 INFO L495 AbstractCegarLoop]: Abstraction has 28092 states and 35980 transitions. [2023-04-03 07:14:19,038 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, (59), 3 states have call predecessors, (59), 3 states have return successors, (52), 4 states have call predecessors, (52), 3 states have call successors, (52) [2023-04-03 07:14:19,039 INFO L276 IsEmpty]: Start isEmpty. Operand 28092 states and 35980 transitions. [2023-04-03 07:14:19,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2023-04-03 07:14:19,057 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:14:19,058 INFO L195 NwaCegarLoop]: trace histogram [21, 11, 11, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:14:19,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-03 07:14:19,058 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:14:19,058 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:14:19,058 INFO L85 PathProgramCache]: Analyzing trace with hash -476087616, now seen corresponding path program 1 times [2023-04-03 07:14:19,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:14:19,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621590556] [2023-04-03 07:14:19,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:14:19,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:14:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:14:19,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1063 backedges. 124 proven. 34 refuted. 0 times theorem prover too weak. 905 trivial. 0 not checked. [2023-04-03 07:14:19,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:14:19,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621590556] [2023-04-03 07:14:19,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621590556] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 07:14:19,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513883445] [2023-04-03 07:14:19,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:14:19,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 07:14:19,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:14:19,577 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 07:14:19,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-03 07:14:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:14:20,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 4094 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-03 07:14:20,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 07:14:20,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1063 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2023-04-03 07:14:20,587 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 07:14:20,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513883445] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:14:20,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 07:14:20,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-04-03 07:14:20,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977428303] [2023-04-03 07:14:20,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:14:20,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 07:14:20,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:14:20,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 07:14:20,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-04-03 07:14:20,590 INFO L87 Difference]: Start difference. First operand 28092 states and 35980 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (59), 3 states have call predecessors, (59), 4 states have return successors, (52), 4 states have call predecessors, (52), 3 states have call successors, (52) [2023-04-03 07:14:23,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:14:23,993 INFO L93 Difference]: Finished difference Result 57626 states and 73853 transitions. [2023-04-03 07:14:23,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 07:14:23,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (59), 3 states have call predecessors, (59), 4 states have return successors, (52), 4 states have call predecessors, (52), 3 states have call successors, (52) Word has length 437 [2023-04-03 07:14:23,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:14:24,082 INFO L225 Difference]: With dead ends: 57626 [2023-04-03 07:14:24,083 INFO L226 Difference]: Without dead ends: 30343 [2023-04-03 07:14:24,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-04-03 07:14:24,130 INFO L413 NwaCegarLoop]: 2610 mSDtfsCounter, 2257 mSDsluCounter, 6980 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2257 SdHoareTripleChecker+Valid, 9590 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-03 07:14:24,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2257 Valid, 9590 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-03 07:14:24,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30343 states. [2023-04-03 07:14:25,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30343 to 30327. [2023-04-03 07:14:25,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30327 states, 16922 states have (on average 1.1927077177638576) internal successors, (20183), 17589 states have internal predecessors, (20183), 9239 states have call successors, (9239), 4163 states have call predecessors, (9239), 4164 states have return successors, (9450), 9006 states have call predecessors, (9450), 9238 states have call successors, (9450) [2023-04-03 07:14:25,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30327 states to 30327 states and 38872 transitions. [2023-04-03 07:14:25,376 INFO L78 Accepts]: Start accepts. Automaton has 30327 states and 38872 transitions. Word has length 437 [2023-04-03 07:14:25,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:14:25,377 INFO L495 AbstractCegarLoop]: Abstraction has 30327 states and 38872 transitions. [2023-04-03 07:14:25,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (59), 3 states have call predecessors, (59), 4 states have return successors, (52), 4 states have call predecessors, (52), 3 states have call successors, (52) [2023-04-03 07:14:25,377 INFO L276 IsEmpty]: Start isEmpty. Operand 30327 states and 38872 transitions. [2023-04-03 07:14:25,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2023-04-03 07:14:25,397 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:14:25,397 INFO L195 NwaCegarLoop]: trace histogram [20, 13, 13, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:14:25,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-03 07:14:25,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 07:14:25,624 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:14:25,624 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:14:25,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1651913078, now seen corresponding path program 1 times [2023-04-03 07:14:25,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:14:25,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343833101] [2023-04-03 07:14:25,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:14:25,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:14:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:14:25,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2023-04-03 07:14:25,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:14:25,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343833101] [2023-04-03 07:14:25,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343833101] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 07:14:25,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 07:14:25,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 07:14:25,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446374570] [2023-04-03 07:14:25,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 07:14:25,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 07:14:25,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 07:14:25,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 07:14:25,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 07:14:25,898 INFO L87 Difference]: Start difference. First operand 30327 states and 38872 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (61), 3 states have call predecessors, (61), 2 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2023-04-03 07:14:29,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 07:14:29,023 INFO L93 Difference]: Finished difference Result 62402 states and 80008 transitions. [2023-04-03 07:14:29,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 07:14:29,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (61), 3 states have call predecessors, (61), 2 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 448 [2023-04-03 07:14:29,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 07:14:29,121 INFO L225 Difference]: With dead ends: 62402 [2023-04-03 07:14:29,122 INFO L226 Difference]: Without dead ends: 32884 [2023-04-03 07:14:29,188 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 07:14:29,188 INFO L413 NwaCegarLoop]: 3579 mSDtfsCounter, 1766 mSDsluCounter, 2187 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1766 SdHoareTripleChecker+Valid, 5766 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-04-03 07:14:29,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1766 Valid, 5766 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-04-03 07:14:29,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32884 states. [2023-04-03 07:14:30,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32884 to 32872. [2023-04-03 07:14:30,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32872 states, 18342 states have (on average 1.19267255479228) internal successors, (21876), 19065 states have internal predecessors, (21876), 10015 states have call successors, (10015), 4512 states have call predecessors, (10015), 4513 states have return successors, (10239), 9764 states have call predecessors, (10239), 10014 states have call successors, (10239) [2023-04-03 07:14:30,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32872 states to 32872 states and 42130 transitions. [2023-04-03 07:14:30,837 INFO L78 Accepts]: Start accepts. Automaton has 32872 states and 42130 transitions. Word has length 448 [2023-04-03 07:14:30,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 07:14:30,838 INFO L495 AbstractCegarLoop]: Abstraction has 32872 states and 42130 transitions. [2023-04-03 07:14:30,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (61), 3 states have call predecessors, (61), 2 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2023-04-03 07:14:30,838 INFO L276 IsEmpty]: Start isEmpty. Operand 32872 states and 42130 transitions. [2023-04-03 07:14:30,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2023-04-03 07:14:30,857 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 07:14:30,858 INFO L195 NwaCegarLoop]: trace histogram [20, 13, 13, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:14:30,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-04-03 07:14:30,858 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-04-03 07:14:30,858 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 07:14:30,858 INFO L85 PathProgramCache]: Analyzing trace with hash 940334193, now seen corresponding path program 1 times [2023-04-03 07:14:30,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 07:14:30,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314489167] [2023-04-03 07:14:30,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:14:30,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 07:14:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:14:32,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1099 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 1064 trivial. 0 not checked. [2023-04-03 07:14:32,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 07:14:32,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314489167] [2023-04-03 07:14:32,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314489167] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 07:14:32,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074662397] [2023-04-03 07:14:32,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 07:14:32,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 07:14:32,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 07:14:32,002 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 07:14:32,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-03 07:14:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 07:14:32,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 4146 conjuncts, 24 conjunts are in the unsatisfiable core [2023-04-03 07:14:32,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 07:14:33,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1099 backedges. 522 proven. 9 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2023-04-03 07:14:33,121 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 07:14:34,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1099 backedges. 179 proven. 37 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2023-04-03 07:14:34,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074662397] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 07:14:34,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [132866601] [2023-04-03 07:14:34,344 INFO L159 IcfgInterpreter]: Started Sifa with 210 locations of interest [2023-04-03 07:14:34,345 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 07:14:34,347 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 07:14:34,350 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 07:14:34,351 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 07:14:45,358 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 268 for LOIs [2023-04-03 07:14:49,489 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 309 for LOIs