java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 07:34:09,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 07:34:09,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 07:34:09,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 07:34:09,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 07:34:09,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 07:34:09,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 07:34:09,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 07:34:09,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 07:34:09,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 07:34:09,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 07:34:09,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 07:34:09,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 07:34:09,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 07:34:09,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 07:34:09,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 07:34:09,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 07:34:09,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 07:34:09,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 07:34:09,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 07:34:09,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 07:34:09,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 07:34:09,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 07:34:09,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 07:34:09,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 07:34:09,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 07:34:09,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 07:34:09,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 07:34:09,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 07:34:09,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 07:34:09,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 07:34:09,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 07:34:09,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 07:34:09,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 07:34:09,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 07:34:09,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 07:34:09,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 07:34:09,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 07:34:09,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 07:34:09,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 07:34:09,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 07:34:09,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 07:34:09,286 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 07:34:09,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 07:34:09,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 07:34:09,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 07:34:09,288 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 07:34:09,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 07:34:09,288 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 07:34:09,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 07:34:09,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 07:34:09,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 07:34:09,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 07:34:09,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 07:34:09,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 07:34:09,290 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 07:34:09,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 07:34:09,291 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 07:34:09,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 07:34:09,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 07:34:09,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 07:34:09,291 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 07:34:09,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 07:34:09,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 07:34:09,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 07:34:09,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 07:34:09,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 07:34:09,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 07:34:09,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 07:34:09,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 07:34:09,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 07:34:09,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 07:34:09,589 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 07:34:09,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 07:34:09,595 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 07:34:09,595 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 07:34:09,596 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i [2019-10-07 07:34:09,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d04dd4b79/73c62bf1501f44b2bbc6b20cbc0f1ce9/FLAGfbb5a1f23 [2019-10-07 07:34:10,567 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 07:34:10,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i [2019-10-07 07:34:10,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d04dd4b79/73c62bf1501f44b2bbc6b20cbc0f1ce9/FLAGfbb5a1f23 [2019-10-07 07:34:11,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d04dd4b79/73c62bf1501f44b2bbc6b20cbc0f1ce9 [2019-10-07 07:34:11,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 07:34:11,035 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 07:34:11,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 07:34:11,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 07:34:11,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 07:34:11,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 07:34:11" (1/1) ... [2019-10-07 07:34:11,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1faac07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:34:11, skipping insertion in model container [2019-10-07 07:34:11,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 07:34:11" (1/1) ... [2019-10-07 07:34:11,051 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 07:34:11,230 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 07:34:14,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 07:34:14,559 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 07:34:15,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 07:34:15,898 INFO L192 MainTranslator]: Completed translation [2019-10-07 07:34:15,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:34:15 WrapperNode [2019-10-07 07:34:15,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 07:34:15,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 07:34:15,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 07:34:15,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 07:34:15,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:34:15" (1/1) ... [2019-10-07 07:34:15,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:34:15" (1/1) ... [2019-10-07 07:34:16,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:34:15" (1/1) ... [2019-10-07 07:34:16,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:34:15" (1/1) ... [2019-10-07 07:34:16,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:34:15" (1/1) ... [2019-10-07 07:34:16,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:34:15" (1/1) ... [2019-10-07 07:34:16,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:34:15" (1/1) ... [2019-10-07 07:34:16,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 07:34:16,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 07:34:16,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 07:34:16,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 07:34:16,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:34:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 07:34:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 07:34:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 07:34:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-07 07:34:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-07 07:34:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-10-07 07:34:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-07 07:34:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-07 07:34:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2019-10-07 07:34:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-07 07:34:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 07:34:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2019-10-07 07:34:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-07 07:34:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 07:34:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-07 07:34:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-07 07:34:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-07 07:34:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-07 07:34:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-07 07:34:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 07:34:16,337 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 07:34:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 07:34:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 07:34:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-07 07:34:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-07 07:34:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-07 07:34:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-07 07:34:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-10-07 07:34:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-07 07:34:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-10-07 07:34:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-10-07 07:34:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2019-10-07 07:34:16,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2019-10-07 07:34:16,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-10-07 07:34:16,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-10-07 07:34:16,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-07 07:34:16,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-07 07:34:16,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2019-10-07 07:34:16,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2019-10-07 07:34:16,344 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-10-07 07:34:16,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2019-10-07 07:34:16,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2019-10-07 07:34:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-07 07:34:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-07 07:34:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-07 07:34:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-07 07:34:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-07 07:34:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-07 07:34:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-07 07:34:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-07 07:34:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-07 07:34:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-07 07:34:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-07 07:34:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-07 07:34:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-07 07:34:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-10-07 07:34:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-10-07 07:34:16,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2019-10-07 07:34:16,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2019-10-07 07:34:16,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-07 07:34:16,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-07 07:34:16,348 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-07 07:34:16,348 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-07 07:34:16,348 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-10-07 07:34:16,349 INFO L138 BoogieDeclarations]: Found implementation of procedure dl2k_enable_int [2019-10-07 07:34:16,349 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_probe1 [2019-10-07 07:34:16,349 INFO L138 BoogieDeclarations]: Found implementation of procedure find_miiphy [2019-10-07 07:34:16,350 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_eeprom [2019-10-07 07:34:16,350 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_open [2019-10-07 07:34:16,350 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_timer [2019-10-07 07:34:16,350 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_tx_timeout [2019-10-07 07:34:16,351 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_list [2019-10-07 07:34:16,351 INFO L138 BoogieDeclarations]: Found implementation of procedure start_xmit [2019-10-07 07:34:16,351 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_interrupt [2019-10-07 07:34:16,352 INFO L138 BoogieDeclarations]: Found implementation of procedure desc_to_dma [2019-10-07 07:34:16,353 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_free_tx [2019-10-07 07:34:16,355 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_error [2019-10-07 07:34:16,355 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_packet [2019-10-07 07:34:16,355 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_error [2019-10-07 07:34:16,356 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats [2019-10-07 07:34:16,356 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_stats [2019-10-07 07:34:16,358 INFO L138 BoogieDeclarations]: Found implementation of procedure change_mtu [2019-10-07 07:34:16,358 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast [2019-10-07 07:34:16,358 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_drvinfo [2019-10-07 07:34:16,358 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_settings [2019-10-07 07:34:16,359 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_set_settings [2019-10-07 07:34:16,360 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_link [2019-10-07 07:34:16,360 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_ioctl [2019-10-07 07:34:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2019-10-07 07:34:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_sendbit [2019-10-07 07:34:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_getbit [2019-10-07 07:34:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_send_bits [2019-10-07 07:34:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_read [2019-10-07 07:34:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_write [2019-10-07 07:34:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wait_link [2019-10-07 07:34:16,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_get_media [2019-10-07 07:34:16,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_set_media [2019-10-07 07:34:16,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_get_media_pcs [2019-10-07 07:34:16,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_set_media_pcs [2019-10-07 07:34:16,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_close [2019-10-07 07:34:16,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_remove1 [2019-10-07 07:34:16,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_driver_init [2019-10-07 07:34:16,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_driver_exit [2019-10-07 07:34:16,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rio_driver_exit_14_2 [2019-10-07 07:34:16,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_rio_driver_init_14_9 [2019-10-07 07:34:16,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2019-10-07 07:34:16,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2019-10-07 07:34:16,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-10-07 07:34:16,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2019-10-07 07:34:16,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_11_1 [2019-10-07 07:34:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_12_1 [2019-10-07 07:34:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2019-10-07 07:34:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_6_1 [2019-10-07 07:34:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_4_3 [2019-10-07 07:34:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_7_1 [2019-10-07 07:34:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_10_2 [2019-10-07 07:34:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2019-10-07 07:34:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_4 [2019-10-07 07:34:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2019-10-07 07:34:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-10-07 07:34:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-10-07 07:34:16,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2019-10-07 07:34:16,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2019-10-07 07:34:16,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_18 [2019-10-07 07:34:16,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_19 [2019-10-07 07:34:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_20 [2019-10-07 07:34:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_21 [2019-10-07 07:34:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 07:34:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-10-07 07:34:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_8 [2019-10-07 07:34:16,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-10-07 07:34:16,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_14 [2019-10-07 07:34:16,368 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 07:34:16,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2019-10-07 07:34:16,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2019-10-07 07:34:16,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-10-07 07:34:16,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2019-10-07 07:34:16,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2019-10-07 07:34:16,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2019-10-07 07:34:16,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2019-10-07 07:34:16,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_2_17 [2019-10-07 07:34:16,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_2_2 [2019-10-07 07:34:16,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_2_5 [2019-10-07 07:34:16,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_2_6 [2019-10-07 07:34:16,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_2_3 [2019-10-07 07:34:16,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_2_8 [2019-10-07 07:34:16,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_2_7 [2019-10-07 07:34:16,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_2 [2019-10-07 07:34:16,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2019-10-07 07:34:16,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2019-10-07 07:34:16,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2019-10-07 07:34:16,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2019-10-07 07:34:16,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-10-07 07:34:16,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-10-07 07:34:16,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-10-07 07:34:16,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2019-10-07 07:34:16,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-10-07 07:34:16,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2019-10-07 07:34:16,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_11 [2019-10-07 07:34:16,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_20 [2019-10-07 07:34:16,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-10-07 07:34:16,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_3 [2019-10-07 07:34:16,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-10-07 07:34:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_4 [2019-10-07 07:34:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_dummy_factory_4 [2019-10-07 07:34:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2019-10-07 07:34:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2019-10-07 07:34:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2019-10-07 07:34:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2019-10-07 07:34:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2019-10-07 07:34:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_59 [2019-10-07 07:34:16,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_60 [2019-10-07 07:34:16,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_61 [2019-10-07 07:34:16,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_62 [2019-10-07 07:34:16,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_63 [2019-10-07 07:34:16,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_64 [2019-10-07 07:34:16,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2019-10-07 07:34:16,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_66 [2019-10-07 07:34:16,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_67 [2019-10-07 07:34:16,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_68 [2019-10-07 07:34:16,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2019-10-07 07:34:16,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_70 [2019-10-07 07:34:16,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_71 [2019-10-07 07:34:16,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_72 [2019-10-07 07:34:16,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_73 [2019-10-07 07:34:16,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_74 [2019-10-07 07:34:16,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_75 [2019-10-07 07:34:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_76 [2019-10-07 07:34:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_77 [2019-10-07 07:34:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-07 07:34:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-07 07:34:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-07 07:34:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 07:34:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 07:34:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 07:34:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 07:34:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-07 07:34:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-07 07:34:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-07 07:34:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-07 07:34:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-07 07:34:16,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-07 07:34:16,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 07:34:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 07:34:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 07:34:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 07:34:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-07 07:34:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 07:34:16,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-07 07:34:16,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-07 07:34:16,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-07 07:34:16,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-07 07:34:16,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-07 07:34:16,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-07 07:34:16,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-07 07:34:16,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 07:34:16,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 07:34:16,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 07:34:16,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-07 07:34:16,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-07 07:34:16,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-07 07:34:16,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-07 07:34:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-07 07:34:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-07 07:34:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-07 07:34:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-07 07:34:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-07 07:34:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-07 07:34:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-07 07:34:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-07 07:34:16,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-07 07:34:16,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-07 07:34:16,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-07 07:34:16,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-07 07:34:16,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-07 07:34:16,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-07 07:34:16,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-07 07:34:16,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-07 07:34:16,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-07 07:34:16,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-07 07:34:16,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-07 07:34:16,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-07 07:34:16,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-07 07:34:16,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-07 07:34:16,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-07 07:34:16,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-07 07:34:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-07 07:34:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-07 07:34:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-10-07 07:34:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-07 07:34:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-07 07:34:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-07 07:34:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-07 07:34:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-07 07:34:16,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-07 07:34:16,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-07 07:34:16,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-10-07 07:34:16,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-10-07 07:34:16,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-10-07 07:34:16,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-10-07 07:34:16,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-10-07 07:34:16,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-10-07 07:34:16,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-10-07 07:34:16,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-10-07 07:34:16,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:34:16,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-07 07:34:16,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-07 07:34:16,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-07 07:34:16,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-07 07:34:16,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:34:16,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-07 07:34:16,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:34:16,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-07 07:34:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-07 07:34:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-07 07:34:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-07 07:34:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-07 07:34:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-07 07:34:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-07 07:34:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-07 07:34:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-07 07:34:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-07 07:34:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-07 07:34:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-07 07:34:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-07 07:34:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-07 07:34:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-07 07:34:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-07 07:34:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-10-07 07:34:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-10-07 07:34:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-10-07 07:34:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-10-07 07:34:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-10-07 07:34:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-10-07 07:34:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-10-07 07:34:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-10-07 07:34:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netdev_private [2019-10-07 07:34:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netdev_private [2019-10-07 07:34:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_rx_lock_of_netdev_private [2019-10-07 07:34:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_rx_lock_of_netdev_private [2019-10-07 07:34:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_rx_lock_of_netdev_private [2019-10-07 07:34:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_rx_lock_of_netdev_private [2019-10-07 07:34:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_rx_lock_of_netdev_private [2019-10-07 07:34:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_rx_lock_of_netdev_private [2019-10-07 07:34:16,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-07 07:34:16,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-07 07:34:16,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-07 07:34:16,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-07 07:34:16,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-07 07:34:16,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-07 07:34:16,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-07 07:34:16,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-07 07:34:16,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-07 07:34:16,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-07 07:34:16,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-07 07:34:16,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-07 07:34:16,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-07 07:34:16,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-07 07:34:16,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-07 07:34:16,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-07 07:34:16,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netdev_private [2019-10-07 07:34:16,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netdev_private [2019-10-07 07:34:16,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_lock_of_netdev_private [2019-10-07 07:34:16,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_lock_of_netdev_private [2019-10-07 07:34:16,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_lock_of_netdev_private [2019-10-07 07:34:16,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_lock_of_netdev_private [2019-10-07 07:34:16,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_lock_of_netdev_private [2019-10-07 07:34:16,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_lock_of_netdev_private [2019-10-07 07:34:16,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 07:34:16,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-10-07 07:34:16,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-07 07:34:16,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-07 07:34:16,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-07 07:34:16,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-07 07:34:16,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-07 07:34:16,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-07 07:34:16,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2019-10-07 07:34:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-10-07 07:34:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-07 07:34:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-07 07:34:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-07 07:34:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 07:34:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 07:34:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 07:34:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 07:34:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-07 07:34:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-07 07:34:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-07 07:34:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-07 07:34:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-07 07:34:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-10-07 07:34:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-10-07 07:34:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-10-07 07:34:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2019-10-07 07:34:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2019-10-07 07:34:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-10-07 07:34:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-07 07:34:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-07 07:34:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-07 07:34:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-07 07:34:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-07 07:34:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-07 07:34:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-07 07:34:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-07 07:34:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2019-10-07 07:34:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-07 07:34:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-10-07 07:34:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2019-10-07 07:34:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-10-07 07:34:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2019-10-07 07:34:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-07 07:34:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-07 07:34:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 07:34:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 07:34:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2019-10-07 07:34:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2019-10-07 07:34:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2019-10-07 07:34:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2019-10-07 07:34:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-07 07:34:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-07 07:34:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-07 07:34:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-10-07 07:34:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-07 07:34:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-07 07:34:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-07 07:34:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-07 07:34:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-07 07:34:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-07 07:34:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-07 07:34:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-07 07:34:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 07:34:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-07 07:34:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-07 07:34:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-07 07:34:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-07 07:34:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-07 07:34:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 07:34:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 07:34:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 07:34:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 07:34:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 07:34:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 07:34:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 07:34:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-07 07:34:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-07 07:34:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 07:34:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-07 07:34:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-07 07:34:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-07 07:34:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 07:34:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 07:34:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-07 07:34:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 07:34:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-07 07:34:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-07 07:34:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 07:34:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-07 07:34:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 07:34:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-07 07:34:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2019-10-07 07:34:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_64 [2019-10-07 07:34:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_67 [2019-10-07 07:34:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netdev_private [2019-10-07 07:34:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netdev_private [2019-10-07 07:34:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netdev_private [2019-10-07 07:34:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netdev_private [2019-10-07 07:34:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 07:34:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-07 07:34:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2019-10-07 07:34:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-07 07:34:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-07 07:34:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2019-10-07 07:34:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 07:34:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2019-10-07 07:34:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2019-10-07 07:34:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-07 07:34:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 07:34:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 07:34:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-07 07:34:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-07 07:34:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-07 07:34:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 07:34:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 07:34:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 07:34:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 07:34:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 07:34:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 07:34:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_66 [2019-10-07 07:34:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_70 [2019-10-07 07:34:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 07:34:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_68 [2019-10-07 07:34:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_71 [2019-10-07 07:34:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 07:34:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2019-10-07 07:34:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2019-10-07 07:34:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-07 07:34:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-07 07:34:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-07 07:34:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_73 [2019-10-07 07:34:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-07 07:34:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-10-07 07:34:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2019-10-07 07:34:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-07 07:34:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2019-10-07 07:34:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2019-10-07 07:34:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-10-07 07:34:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-07 07:34:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-07 07:34:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-07 07:34:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2019-10-07 07:34:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_59 [2019-10-07 07:34:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-07 07:34:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-07 07:34:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-07 07:34:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-07 07:34:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-10-07 07:34:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-10-07 07:34:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-10-07 07:34:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-10-07 07:34:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-10-07 07:34:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2019-10-07 07:34:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2019-10-07 07:34:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-07 07:34:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-10-07 07:34:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-07 07:34:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-10-07 07:34:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-07 07:34:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2019-10-07 07:34:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-10-07 07:34:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2019-10-07 07:34:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-10-07 07:34:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-10-07 07:34:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-07 07:34:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-07 07:34:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-07 07:34:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 07:34:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-07 07:34:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-07 07:34:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-07 07:34:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-10-07 07:34:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2019-10-07 07:34:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2019-10-07 07:34:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-10-07 07:34:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 07:34:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2019-10-07 07:34:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 07:34:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2019-10-07 07:34:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-07 07:34:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-07 07:34:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-07 07:34:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_62 [2019-10-07 07:34:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_75 [2019-10-07 07:34:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-10-07 07:34:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-07 07:34:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-07 07:34:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-07 07:34:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-07 07:34:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-07 07:34:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-07 07:34:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-07 07:34:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-07 07:34:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-07 07:34:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-07 07:34:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-07 07:34:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-07 07:34:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-07 07:34:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-07 07:34:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-07 07:34:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_61 [2019-10-07 07:34:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-07 07:34:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_74 [2019-10-07 07:34:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-07 07:34:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-07 07:34:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-07 07:34:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-07 07:34:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-07 07:34:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-07 07:34:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_76 [2019-10-07 07:34:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-07 07:34:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_77 [2019-10-07 07:34:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-07 07:34:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-07 07:34:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-10-07 07:34:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-10-07 07:34:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2019-10-07 07:34:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2019-10-07 07:34:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-07 07:34:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-07 07:34:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-07 07:34:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-07 07:34:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-07 07:34:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_63 [2019-10-07 07:34:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-07 07:34:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_72 [2019-10-07 07:34:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-07 07:34:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-07 07:34:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-07 07:34:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-07 07:34:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_60 [2019-10-07 07:34:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-07 07:34:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-10-07 07:34:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure dl2k_enable_int [2019-10-07 07:34:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure rio_open [2019-10-07 07:34:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure rio_timer [2019-10-07 07:34:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure rio_tx_timeout [2019-10-07 07:34:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_list [2019-10-07 07:34:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure start_xmit [2019-10-07 07:34:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure rio_interrupt [2019-10-07 07:34:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure rio_free_tx [2019-10-07 07:34:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure tx_error [2019-10-07 07:34:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure receive_packet [2019-10-07 07:34:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure rio_error [2019-10-07 07:34:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure change_mtu [2019-10-07 07:34:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast [2019-10-07 07:34:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats [2019-10-07 07:34:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure clear_stats [2019-10-07 07:34:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure rio_ioctl [2019-10-07 07:34:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure rio_close [2019-10-07 07:34:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure find_miiphy [2019-10-07 07:34:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure parse_eeprom [2019-10-07 07:34:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2019-10-07 07:34:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wait_link [2019-10-07 07:34:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure mii_set_media [2019-10-07 07:34:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure mii_get_media [2019-10-07 07:34:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure mii_set_media_pcs [2019-10-07 07:34:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure mii_get_media_pcs [2019-10-07 07:34:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure mii_read [2019-10-07 07:34:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure mii_write [2019-10-07 07:34:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure rio_probe1 [2019-10-07 07:34:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 07:34:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 07:34:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure desc_to_dma [2019-10-07 07:34:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_drvinfo [2019-10-07 07:34:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_settings [2019-10-07 07:34:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure rio_set_settings [2019-10-07 07:34:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_link [2019-10-07 07:34:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure mii_sendbit [2019-10-07 07:34:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure mii_getbit [2019-10-07 07:34:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure mii_send_bits [2019-10-07 07:34:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure rio_remove1 [2019-10-07 07:34:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure rio_driver_init [2019-10-07 07:34:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure rio_driver_exit [2019-10-07 07:34:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rio_driver_exit_14_2 [2019-10-07 07:34:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_rio_driver_init_14_9 [2019-10-07 07:34:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2019-10-07 07:34:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2019-10-07 07:34:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-10-07 07:34:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2019-10-07 07:34:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_11_1 [2019-10-07 07:34:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_12_1 [2019-10-07 07:34:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2019-10-07 07:34:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_6_1 [2019-10-07 07:34:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_4_3 [2019-10-07 07:34:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_7_1 [2019-10-07 07:34:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_10_2 [2019-10-07 07:34:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2019-10-07 07:34:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_4 [2019-10-07 07:34:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2019-10-07 07:34:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-10-07 07:34:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-10-07 07:34:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2019-10-07 07:34:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2019-10-07 07:34:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_18 [2019-10-07 07:34:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_19 [2019-10-07 07:34:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_20 [2019-10-07 07:34:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_21 [2019-10-07 07:34:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 07:34:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-10-07 07:34:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_8 [2019-10-07 07:34:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-10-07 07:34:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_14 [2019-10-07 07:34:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 07:34:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2019-10-07 07:34:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2019-10-07 07:34:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-10-07 07:34:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2019-10-07 07:34:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2019-10-07 07:34:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2019-10-07 07:34:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2019-10-07 07:34:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_2_17 [2019-10-07 07:34:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_2_2 [2019-10-07 07:34:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_2_5 [2019-10-07 07:34:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_2_6 [2019-10-07 07:34:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_2_3 [2019-10-07 07:34:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_2_8 [2019-10-07 07:34:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_2_7 [2019-10-07 07:34:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_2 [2019-10-07 07:34:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2019-10-07 07:34:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2019-10-07 07:34:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2019-10-07 07:34:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2019-10-07 07:34:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-10-07 07:34:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-10-07 07:34:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-10-07 07:34:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2019-10-07 07:34:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-10-07 07:34:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2019-10-07 07:34:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_11 [2019-10-07 07:34:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_20 [2019-10-07 07:34:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-10-07 07:34:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_3 [2019-10-07 07:34:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-10-07 07:34:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_4 [2019-10-07 07:34:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_dummy_factory_4 [2019-10-07 07:34:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2019-10-07 07:34:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2019-10-07 07:34:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2019-10-07 07:34:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2019-10-07 07:34:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2019-10-07 07:34:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-07 07:34:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 07:34:16,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2019-10-07 07:34:16,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-07 07:34:16,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-07 07:34:16,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 07:34:16,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-07 07:34:16,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 07:34:16,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 07:34:16,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 07:34:16,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 07:34:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-07 07:34:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 07:34:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-07 07:34:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-07 07:34:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-07 07:34:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 07:34:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 07:34:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-07 07:34:16,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-07 07:34:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-07 07:34:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-07 07:34:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-07 07:34:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 07:34:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 07:34:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 07:34:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 07:34:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 07:34:16,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 07:34:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 07:34:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 07:34:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 07:34:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-07 07:34:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-07 07:34:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 07:34:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 07:34:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 07:34:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-07 07:34:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-07 07:34:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-07 07:34:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-07 07:34:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-07 07:34:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-07 07:34:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-07 07:34:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-07 07:34:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-07 07:34:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-07 07:34:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-07 07:34:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-07 07:34:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-07 07:34:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-07 07:34:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-07 07:34:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-07 07:34:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-07 07:34:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-07 07:34:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-07 07:34:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-07 07:34:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-07 07:34:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-07 07:34:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-07 07:34:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-07 07:34:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-07 07:34:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-07 07:34:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-07 07:34:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-07 07:34:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-07 07:34:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-07 07:34:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-07 07:34:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-07 07:34:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-10-07 07:34:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-07 07:34:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-07 07:34:16,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-07 07:34:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-07 07:34:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-07 07:34:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-07 07:34:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-07 07:34:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-10-07 07:34:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-10-07 07:34:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-10-07 07:34:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-10-07 07:34:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-10-07 07:34:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-10-07 07:34:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-10-07 07:34:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-10-07 07:34:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:34:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-07 07:34:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-07 07:34:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-07 07:34:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-07 07:34:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:34:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-07 07:34:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:34:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-07 07:34:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-07 07:34:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-07 07:34:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-07 07:34:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-07 07:34:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-07 07:34:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-07 07:34:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-07 07:34:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-07 07:34:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-07 07:34:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-07 07:34:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-07 07:34:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-07 07:34:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-07 07:34:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-07 07:34:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-07 07:34:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-10-07 07:34:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-10-07 07:34:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-10-07 07:34:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-10-07 07:34:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-10-07 07:34:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-10-07 07:34:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-10-07 07:34:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-10-07 07:34:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_rx_lock_of_netdev_private [2019-10-07 07:34:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_rx_lock_of_netdev_private [2019-10-07 07:34:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_rx_lock_of_netdev_private [2019-10-07 07:34:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_rx_lock_of_netdev_private [2019-10-07 07:34:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_rx_lock_of_netdev_private [2019-10-07 07:34:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_rx_lock_of_netdev_private [2019-10-07 07:34:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-07 07:34:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-07 07:34:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-07 07:34:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-07 07:34:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-07 07:34:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-07 07:34:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-07 07:34:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-07 07:34:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-07 07:34:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-07 07:34:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-07 07:34:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-07 07:34:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-07 07:34:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-07 07:34:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-07 07:34:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-07 07:34:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_lock_of_netdev_private [2019-10-07 07:34:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_lock_of_netdev_private [2019-10-07 07:34:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_lock_of_netdev_private [2019-10-07 07:34:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_lock_of_netdev_private [2019-10-07 07:34:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_lock_of_netdev_private [2019-10-07 07:34:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_lock_of_netdev_private [2019-10-07 07:34:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-10-07 07:34:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 07:34:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 07:34:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 07:34:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 07:34:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-07 07:34:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 07:34:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 07:34:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 07:34:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 07:34:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 07:34:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 07:34:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 07:34:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 07:34:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 07:34:19,782 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-10-07 07:34:20,656 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 07:36:11,127 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 07:36:11,128 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 07:36:11,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 07:36:11 BoogieIcfgContainer [2019-10-07 07:36:11,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 07:36:11,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 07:36:11,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 07:36:11,135 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 07:36:11,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 07:34:11" (1/3) ... [2019-10-07 07:36:11,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562b1e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 07:36:11, skipping insertion in model container [2019-10-07 07:36:11,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:34:15" (2/3) ... [2019-10-07 07:36:11,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562b1e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 07:36:11, skipping insertion in model container [2019-10-07 07:36:11,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 07:36:11" (3/3) ... [2019-10-07 07:36:11,138 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-dl2k.cil.i [2019-10-07 07:36:11,148 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 07:36:11,159 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-07 07:36:11,169 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-07 07:36:11,215 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 07:36:11,215 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 07:36:11,216 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 07:36:11,216 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 07:36:11,216 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 07:36:11,216 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 07:36:11,216 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 07:36:11,216 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 07:36:11,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states. [2019-10-07 07:36:11,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-07 07:36:11,297 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:36:11,299 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:36:11,301 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:36:11,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:36:11,306 INFO L82 PathProgramCache]: Analyzing trace with hash 379959720, now seen corresponding path program 1 times [2019-10-07 07:36:11,315 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:36:11,316 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:36:11,316 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:36:11,316 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:36:11,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:36:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:36:12,105 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-10-07 07:36:12,106 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:36:12,106 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:36:12,106 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:36:12,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:36:12,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:36:12,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:36:12,127 INFO L87 Difference]: Start difference. First operand 2373 states. Second operand 3 states. [2019-10-07 07:36:12,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:36:12,595 INFO L93 Difference]: Finished difference Result 5879 states and 7792 transitions. [2019-10-07 07:36:12,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:36:12,597 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2019-10-07 07:36:12,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:36:12,642 INFO L225 Difference]: With dead ends: 5879 [2019-10-07 07:36:12,642 INFO L226 Difference]: Without dead ends: 3871 [2019-10-07 07:36:12,658 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:36:12,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3871 states. [2019-10-07 07:36:12,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3871 to 3848. [2019-10-07 07:36:12,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3848 states. [2019-10-07 07:36:13,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3848 states to 3848 states and 4992 transitions. [2019-10-07 07:36:13,028 INFO L78 Accepts]: Start accepts. Automaton has 3848 states and 4992 transitions. Word has length 107 [2019-10-07 07:36:13,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:36:13,029 INFO L462 AbstractCegarLoop]: Abstraction has 3848 states and 4992 transitions. [2019-10-07 07:36:13,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:36:13,029 INFO L276 IsEmpty]: Start isEmpty. Operand 3848 states and 4992 transitions. [2019-10-07 07:36:13,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-10-07 07:36:13,036 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:36:13,036 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:36:13,036 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:36:13,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:36:13,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1983059757, now seen corresponding path program 1 times [2019-10-07 07:36:13,037 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:36:13,037 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:36:13,038 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:36:13,038 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:36:13,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:36:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:36:13,452 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-10-07 07:36:13,452 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:36:13,452 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:36:13,453 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:36:13,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:36:13,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:36:13,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:36:13,455 INFO L87 Difference]: Start difference. First operand 3848 states and 4992 transitions. Second operand 3 states. [2019-10-07 07:36:15,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:36:15,432 INFO L93 Difference]: Finished difference Result 11254 states and 14646 transitions. [2019-10-07 07:36:15,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:36:15,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2019-10-07 07:36:15,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:36:15,497 INFO L225 Difference]: With dead ends: 11254 [2019-10-07 07:36:15,497 INFO L226 Difference]: Without dead ends: 7444 [2019-10-07 07:36:15,518 INFO L606 BasicCegarLoop]: 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 [2019-10-07 07:36:15,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7444 states. [2019-10-07 07:36:15,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7444 to 7402. [2019-10-07 07:36:15,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7402 states. [2019-10-07 07:36:15,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7402 states to 7402 states and 9639 transitions. [2019-10-07 07:36:15,856 INFO L78 Accepts]: Start accepts. Automaton has 7402 states and 9639 transitions. Word has length 119 [2019-10-07 07:36:15,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:36:15,857 INFO L462 AbstractCegarLoop]: Abstraction has 7402 states and 9639 transitions. [2019-10-07 07:36:15,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:36:15,857 INFO L276 IsEmpty]: Start isEmpty. Operand 7402 states and 9639 transitions. [2019-10-07 07:36:15,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-10-07 07:36:15,862 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:36:15,863 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 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] [2019-10-07 07:36:15,863 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:36:15,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:36:15,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1916566613, now seen corresponding path program 1 times [2019-10-07 07:36:15,864 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:36:15,864 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:36:15,864 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:36:15,864 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:36:15,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:36:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:36:16,229 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2019-10-07 07:36:16,230 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:36:16,230 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:36:16,230 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 07:36:16,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 07:36:16,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 07:36:16,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-10-07 07:36:16,232 INFO L87 Difference]: Start difference. First operand 7402 states and 9639 transitions. Second operand 6 states. [2019-10-07 07:36:22,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:36:22,134 INFO L93 Difference]: Finished difference Result 23952 states and 31142 transitions. [2019-10-07 07:36:22,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 07:36:22,135 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2019-10-07 07:36:22,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:36:22,250 INFO L225 Difference]: With dead ends: 23952 [2019-10-07 07:36:22,250 INFO L226 Difference]: Without dead ends: 16588 [2019-10-07 07:36:22,283 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-10-07 07:36:22,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16588 states. [2019-10-07 07:36:22,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16588 to 16500. [2019-10-07 07:36:22,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16500 states. [2019-10-07 07:36:22,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16500 states to 16500 states and 21349 transitions. [2019-10-07 07:36:22,937 INFO L78 Accepts]: Start accepts. Automaton has 16500 states and 21349 transitions. Word has length 129 [2019-10-07 07:36:22,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:36:22,938 INFO L462 AbstractCegarLoop]: Abstraction has 16500 states and 21349 transitions. [2019-10-07 07:36:22,938 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 07:36:22,938 INFO L276 IsEmpty]: Start isEmpty. Operand 16500 states and 21349 transitions. [2019-10-07 07:36:22,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-07 07:36:22,941 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:36:22,942 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 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] [2019-10-07 07:36:22,942 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:36:22,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:36:22,942 INFO L82 PathProgramCache]: Analyzing trace with hash 625973296, now seen corresponding path program 1 times [2019-10-07 07:36:22,943 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:36:22,943 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:36:22,943 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:36:22,943 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:36:22,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:36:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:36:23,318 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2019-10-07 07:36:23,318 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:36:23,319 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:36:23,319 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:36:23,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:36:23,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:36:23,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:36:23,320 INFO L87 Difference]: Start difference. First operand 16500 states and 21349 transitions. Second operand 3 states. [2019-10-07 07:36:23,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:36:23,934 INFO L93 Difference]: Finished difference Result 24697 states and 31946 transitions. [2019-10-07 07:36:23,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:36:23,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-10-07 07:36:23,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:36:24,051 INFO L225 Difference]: With dead ends: 24697 [2019-10-07 07:36:24,051 INFO L226 Difference]: Without dead ends: 24557 [2019-10-07 07:36:24,065 INFO L606 BasicCegarLoop]: 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 [2019-10-07 07:36:24,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24557 states. [2019-10-07 07:36:25,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24557 to 24534. [2019-10-07 07:36:25,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24534 states. [2019-10-07 07:36:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24534 states to 24534 states and 31729 transitions. [2019-10-07 07:36:25,253 INFO L78 Accepts]: Start accepts. Automaton has 24534 states and 31729 transitions. Word has length 132 [2019-10-07 07:36:25,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:36:25,256 INFO L462 AbstractCegarLoop]: Abstraction has 24534 states and 31729 transitions. [2019-10-07 07:36:25,256 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:36:25,256 INFO L276 IsEmpty]: Start isEmpty. Operand 24534 states and 31729 transitions. [2019-10-07 07:36:25,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-07 07:36:25,260 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:36:25,260 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 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] [2019-10-07 07:36:25,261 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:36:25,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:36:25,261 INFO L82 PathProgramCache]: Analyzing trace with hash 509610058, now seen corresponding path program 1 times [2019-10-07 07:36:25,261 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:36:25,261 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:36:25,262 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:36:25,262 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:36:25,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:36:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:36:25,505 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2019-10-07 07:36:25,505 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:36:25,506 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:36:25,506 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:36:25,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:36:25,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:36:25,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:36:25,507 INFO L87 Difference]: Start difference. First operand 24534 states and 31729 transitions. Second operand 3 states. [2019-10-07 07:36:26,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:36:26,513 INFO L93 Difference]: Finished difference Result 32635 states and 42220 transitions. [2019-10-07 07:36:26,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:36:26,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-10-07 07:36:26,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:36:26,632 INFO L225 Difference]: With dead ends: 32635 [2019-10-07 07:36:26,632 INFO L226 Difference]: Without dead ends: 32495 [2019-10-07 07:36:26,646 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:36:26,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32495 states. [2019-10-07 07:36:29,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32495 to 32472. [2019-10-07 07:36:29,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32472 states. [2019-10-07 07:36:29,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32472 states to 32472 states and 41997 transitions. [2019-10-07 07:36:29,222 INFO L78 Accepts]: Start accepts. Automaton has 32472 states and 41997 transitions. Word has length 131 [2019-10-07 07:36:29,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:36:29,223 INFO L462 AbstractCegarLoop]: Abstraction has 32472 states and 41997 transitions. [2019-10-07 07:36:29,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:36:29,223 INFO L276 IsEmpty]: Start isEmpty. Operand 32472 states and 41997 transitions. [2019-10-07 07:36:29,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-07 07:36:29,228 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:36:29,228 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 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] [2019-10-07 07:36:29,228 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:36:29,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:36:29,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1959033579, now seen corresponding path program 1 times [2019-10-07 07:36:29,229 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:36:29,229 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:36:29,229 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:36:29,229 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:36:29,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:36:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:36:29,427 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2019-10-07 07:36:29,427 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:36:29,427 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:36:29,428 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:36:29,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:36:29,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:36:29,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:36:29,429 INFO L87 Difference]: Start difference. First operand 32472 states and 41997 transitions. Second operand 3 states. [2019-10-07 07:36:31,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:36:31,987 INFO L93 Difference]: Finished difference Result 89552 states and 115747 transitions. [2019-10-07 07:36:31,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:36:31,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-10-07 07:36:31,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:36:32,240 INFO L225 Difference]: With dead ends: 89552 [2019-10-07 07:36:32,240 INFO L226 Difference]: Without dead ends: 57118 [2019-10-07 07:36:32,357 INFO L606 BasicCegarLoop]: 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 [2019-10-07 07:36:32,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57118 states. [2019-10-07 07:36:35,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57118 to 56996. [2019-10-07 07:36:35,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56996 states. [2019-10-07 07:36:35,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56996 states to 56996 states and 73523 transitions. [2019-10-07 07:36:35,491 INFO L78 Accepts]: Start accepts. Automaton has 56996 states and 73523 transitions. Word has length 133 [2019-10-07 07:36:35,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:36:35,492 INFO L462 AbstractCegarLoop]: Abstraction has 56996 states and 73523 transitions. [2019-10-07 07:36:35,492 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:36:35,492 INFO L276 IsEmpty]: Start isEmpty. Operand 56996 states and 73523 transitions. [2019-10-07 07:36:35,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-07 07:36:35,497 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:36:35,497 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 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] [2019-10-07 07:36:35,497 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:36:35,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:36:35,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1355707878, now seen corresponding path program 1 times [2019-10-07 07:36:35,498 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:36:35,498 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:36:35,498 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:36:35,498 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:36:35,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:36:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:36:35,698 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2019-10-07 07:36:35,698 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:36:35,699 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:36:35,699 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:36:35,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:36:35,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:36:35,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:36:35,700 INFO L87 Difference]: Start difference. First operand 56996 states and 73523 transitions. Second operand 3 states. [2019-10-07 07:36:41,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:36:41,692 INFO L93 Difference]: Finished difference Result 152196 states and 196501 transitions. [2019-10-07 07:36:41,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:36:41,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2019-10-07 07:36:41,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:36:42,079 INFO L225 Difference]: With dead ends: 152196 [2019-10-07 07:36:42,080 INFO L226 Difference]: Without dead ends: 95238 [2019-10-07 07:36:42,217 INFO L606 BasicCegarLoop]: 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 [2019-10-07 07:36:42,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95238 states. [2019-10-07 07:36:44,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95238 to 95116. [2019-10-07 07:36:44,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95116 states. [2019-10-07 07:36:44,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95116 states to 95116 states and 122559 transitions. [2019-10-07 07:36:44,773 INFO L78 Accepts]: Start accepts. Automaton has 95116 states and 122559 transitions. Word has length 134 [2019-10-07 07:36:44,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:36:44,773 INFO L462 AbstractCegarLoop]: Abstraction has 95116 states and 122559 transitions. [2019-10-07 07:36:44,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:36:44,773 INFO L276 IsEmpty]: Start isEmpty. Operand 95116 states and 122559 transitions. [2019-10-07 07:36:44,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-07 07:36:44,776 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:36:44,777 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 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] [2019-10-07 07:36:44,777 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:36:44,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:36:44,777 INFO L82 PathProgramCache]: Analyzing trace with hash 315784674, now seen corresponding path program 1 times [2019-10-07 07:36:44,777 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:36:44,778 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:36:44,778 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:36:44,778 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:36:44,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:36:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:36:44,999 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2019-10-07 07:36:44,999 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:36:44,999 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:36:45,000 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:36:45,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:36:45,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:36:45,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:36:45,001 INFO L87 Difference]: Start difference. First operand 95116 states and 122559 transitions. Second operand 5 states. [2019-10-07 07:37:10,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:37:10,563 INFO L93 Difference]: Finished difference Result 261708 states and 337331 transitions. [2019-10-07 07:37:10,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:37:10,564 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2019-10-07 07:37:10,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:37:11,210 INFO L225 Difference]: With dead ends: 261708 [2019-10-07 07:37:11,210 INFO L226 Difference]: Without dead ends: 166630 [2019-10-07 07:37:11,438 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-07 07:37:11,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166630 states. [2019-10-07 07:37:16,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166630 to 166385. [2019-10-07 07:37:16,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166385 states. [2019-10-07 07:37:17,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166385 states to 166385 states and 214182 transitions. [2019-10-07 07:37:17,423 INFO L78 Accepts]: Start accepts. Automaton has 166385 states and 214182 transitions. Word has length 147 [2019-10-07 07:37:17,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:37:17,423 INFO L462 AbstractCegarLoop]: Abstraction has 166385 states and 214182 transitions. [2019-10-07 07:37:17,423 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:37:17,423 INFO L276 IsEmpty]: Start isEmpty. Operand 166385 states and 214182 transitions. [2019-10-07 07:37:17,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-07 07:37:17,427 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:37:17,427 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:37:17,428 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:37:17,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:37:17,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1220360305, now seen corresponding path program 1 times [2019-10-07 07:37:17,428 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:37:17,429 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:37:17,429 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:37:17,429 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:37:17,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:37:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:37:21,546 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2019-10-07 07:37:21,546 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:37:21,546 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:37:21,547 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:37:21,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:37:21,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:37:21,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:37:21,548 INFO L87 Difference]: Start difference. First operand 166385 states and 214182 transitions. Second operand 5 states. [2019-10-07 07:37:46,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:37:46,650 INFO L93 Difference]: Finished difference Result 379064 states and 487928 transitions. [2019-10-07 07:37:46,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:37:46,651 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2019-10-07 07:37:46,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:37:51,789 INFO L225 Difference]: With dead ends: 379064 [2019-10-07 07:37:51,789 INFO L226 Difference]: Without dead ends: 212717 [2019-10-07 07:37:52,032 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:37:52,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212717 states. [2019-10-07 07:37:58,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212717 to 212713. [2019-10-07 07:37:58,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212713 states. [2019-10-07 07:37:59,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212713 states to 212713 states and 273528 transitions. [2019-10-07 07:37:59,134 INFO L78 Accepts]: Start accepts. Automaton has 212713 states and 273528 transitions. Word has length 154 [2019-10-07 07:37:59,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:37:59,135 INFO L462 AbstractCegarLoop]: Abstraction has 212713 states and 273528 transitions. [2019-10-07 07:37:59,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:37:59,135 INFO L276 IsEmpty]: Start isEmpty. Operand 212713 states and 273528 transitions. [2019-10-07 07:37:59,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-07 07:37:59,139 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:37:59,140 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:37:59,140 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:37:59,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:37:59,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1633595030, now seen corresponding path program 1 times [2019-10-07 07:37:59,141 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:37:59,141 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:37:59,141 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:37:59,141 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:37:59,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:37:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:37:59,344 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2019-10-07 07:37:59,344 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:37:59,345 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:37:59,345 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:37:59,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:37:59,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:37:59,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:37:59,350 INFO L87 Difference]: Start difference. First operand 212713 states and 273528 transitions. Second operand 5 states. [2019-10-07 07:38:29,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:38:29,506 INFO L93 Difference]: Finished difference Result 425770 states and 547246 transitions. [2019-10-07 07:38:29,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:38:29,506 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2019-10-07 07:38:29,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:38:30,177 INFO L225 Difference]: With dead ends: 425770 [2019-10-07 07:38:30,177 INFO L226 Difference]: Without dead ends: 213095 [2019-10-07 07:38:30,501 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:38:30,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213095 states. [2019-10-07 07:38:43,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213095 to 212907. [2019-10-07 07:38:43,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212907 states. [2019-10-07 07:38:44,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212907 states to 212907 states and 273364 transitions. [2019-10-07 07:38:44,261 INFO L78 Accepts]: Start accepts. Automaton has 212907 states and 273364 transitions. Word has length 154 [2019-10-07 07:38:44,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:38:44,262 INFO L462 AbstractCegarLoop]: Abstraction has 212907 states and 273364 transitions. [2019-10-07 07:38:44,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:38:44,262 INFO L276 IsEmpty]: Start isEmpty. Operand 212907 states and 273364 transitions. [2019-10-07 07:38:44,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-10-07 07:38:44,266 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:38:44,266 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 3, 3, 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] [2019-10-07 07:38:44,266 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:38:44,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:38:44,267 INFO L82 PathProgramCache]: Analyzing trace with hash 524959121, now seen corresponding path program 1 times [2019-10-07 07:38:44,267 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:38:44,267 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:38:44,267 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:38:44,267 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:38:44,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:38:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:38:44,458 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2019-10-07 07:38:44,459 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:38:44,459 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:38:44,459 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:38:44,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:38:44,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:38:44,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:38:44,460 INFO L87 Difference]: Start difference. First operand 212907 states and 273364 transitions. Second operand 5 states. [2019-10-07 07:39:14,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:39:14,126 INFO L93 Difference]: Finished difference Result 426158 states and 547014 transitions. [2019-10-07 07:39:14,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:39:14,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 171 [2019-10-07 07:39:14,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:39:14,822 INFO L225 Difference]: With dead ends: 426158 [2019-10-07 07:39:14,822 INFO L226 Difference]: Without dead ends: 213289 [2019-10-07 07:39:15,143 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:39:15,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213289 states. [2019-10-07 07:39:29,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213289 to 212259. [2019-10-07 07:39:29,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212259 states. [2019-10-07 07:39:30,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212259 states to 212259 states and 272231 transitions. [2019-10-07 07:39:30,289 INFO L78 Accepts]: Start accepts. Automaton has 212259 states and 272231 transitions. Word has length 171 [2019-10-07 07:39:30,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:39:30,289 INFO L462 AbstractCegarLoop]: Abstraction has 212259 states and 272231 transitions. [2019-10-07 07:39:30,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:39:30,289 INFO L276 IsEmpty]: Start isEmpty. Operand 212259 states and 272231 transitions. [2019-10-07 07:39:30,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-07 07:39:30,291 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:39:30,291 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:39:30,291 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:39:30,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:39:30,292 INFO L82 PathProgramCache]: Analyzing trace with hash 2035848335, now seen corresponding path program 1 times [2019-10-07 07:39:30,292 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:39:30,292 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:39:30,292 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:39:30,293 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:39:30,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:39:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:39:30,488 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2019-10-07 07:39:30,488 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:39:30,489 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:39:30,489 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:39:30,489 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:39:30,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:39:30,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:39:30,490 INFO L87 Difference]: Start difference. First operand 212259 states and 272231 transitions. Second operand 5 states. [2019-10-07 07:39:31,253 WARN L191 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-10-07 07:39:40,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:39:40,411 INFO L93 Difference]: Finished difference Result 212265 states and 272236 transitions. [2019-10-07 07:39:40,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:39:40,411 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 175 [2019-10-07 07:39:40,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:39:41,009 INFO L225 Difference]: With dead ends: 212265 [2019-10-07 07:39:41,009 INFO L226 Difference]: Without dead ends: 212263 [2019-10-07 07:39:41,069 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:39:41,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212263 states. [2019-10-07 07:39:49,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212263 to 212263. [2019-10-07 07:39:49,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212263 states. [2019-10-07 07:39:50,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212263 states to 212263 states and 272234 transitions. [2019-10-07 07:39:50,014 INFO L78 Accepts]: Start accepts. Automaton has 212263 states and 272234 transitions. Word has length 175 [2019-10-07 07:39:50,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:39:50,014 INFO L462 AbstractCegarLoop]: Abstraction has 212263 states and 272234 transitions. [2019-10-07 07:39:50,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:39:50,015 INFO L276 IsEmpty]: Start isEmpty. Operand 212263 states and 272234 transitions. [2019-10-07 07:39:50,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-10-07 07:39:50,016 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:39:50,016 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:39:50,016 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:39:50,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:39:50,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1834197111, now seen corresponding path program 1 times [2019-10-07 07:39:50,017 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:39:50,017 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:39:50,017 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:39:50,017 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:39:50,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:39:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:39:50,205 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2019-10-07 07:39:50,206 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:39:50,206 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:39:50,206 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:39:50,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:39:50,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:39:50,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:39:50,207 INFO L87 Difference]: Start difference. First operand 212263 states and 272234 transitions. Second operand 5 states. [2019-10-07 07:39:59,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:39:59,615 INFO L93 Difference]: Finished difference Result 212269 states and 272239 transitions. [2019-10-07 07:39:59,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:39:59,615 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 180 [2019-10-07 07:39:59,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:40:00,549 INFO L225 Difference]: With dead ends: 212269 [2019-10-07 07:40:00,549 INFO L226 Difference]: Without dead ends: 212267 [2019-10-07 07:40:00,604 INFO L606 BasicCegarLoop]: 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 [2019-10-07 07:40:00,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212267 states. [2019-10-07 07:40:08,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212267 to 212267. [2019-10-07 07:40:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212267 states. [2019-10-07 07:40:09,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212267 states to 212267 states and 272237 transitions. [2019-10-07 07:40:09,053 INFO L78 Accepts]: Start accepts. Automaton has 212267 states and 272237 transitions. Word has length 180 [2019-10-07 07:40:09,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:40:09,054 INFO L462 AbstractCegarLoop]: Abstraction has 212267 states and 272237 transitions. [2019-10-07 07:40:09,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:40:09,054 INFO L276 IsEmpty]: Start isEmpty. Operand 212267 states and 272237 transitions. [2019-10-07 07:40:09,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-07 07:40:09,055 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:40:09,056 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:40:09,056 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:40:09,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:40:09,056 INFO L82 PathProgramCache]: Analyzing trace with hash 260627791, now seen corresponding path program 1 times [2019-10-07 07:40:09,056 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:40:09,056 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:40:09,057 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:40:09,057 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:40:09,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:40:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:40:09,246 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2019-10-07 07:40:09,246 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:40:09,246 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:40:09,247 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:40:09,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:40:09,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:40:09,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:40:09,248 INFO L87 Difference]: Start difference. First operand 212267 states and 272237 transitions. Second operand 5 states. [2019-10-07 07:40:19,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:40:19,881 INFO L93 Difference]: Finished difference Result 212273 states and 272242 transitions. [2019-10-07 07:40:19,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:40:19,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 185 [2019-10-07 07:40:19,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:40:20,517 INFO L225 Difference]: With dead ends: 212273 [2019-10-07 07:40:20,518 INFO L226 Difference]: Without dead ends: 212271 [2019-10-07 07:40:20,584 INFO L606 BasicCegarLoop]: 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 [2019-10-07 07:40:20,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212271 states. [2019-10-07 07:40:29,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212271 to 212271. [2019-10-07 07:40:29,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212271 states. [2019-10-07 07:40:29,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212271 states to 212271 states and 272240 transitions. [2019-10-07 07:40:29,651 INFO L78 Accepts]: Start accepts. Automaton has 212271 states and 272240 transitions. Word has length 185 [2019-10-07 07:40:29,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:40:29,651 INFO L462 AbstractCegarLoop]: Abstraction has 212271 states and 272240 transitions. [2019-10-07 07:40:29,651 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:40:29,651 INFO L276 IsEmpty]: Start isEmpty. Operand 212271 states and 272240 transitions. [2019-10-07 07:40:29,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-10-07 07:40:29,653 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:40:29,653 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:40:29,654 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:40:29,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:40:29,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1508704055, now seen corresponding path program 1 times [2019-10-07 07:40:29,654 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:40:29,654 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:40:29,655 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:40:29,655 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:40:29,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:40:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:40:29,844 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-10-07 07:40:29,844 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:40:29,845 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:40:29,845 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:40:29,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:40:29,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:40:29,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:40:29,846 INFO L87 Difference]: Start difference. First operand 212271 states and 272240 transitions. Second operand 5 states. [2019-10-07 07:40:40,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:40:40,794 INFO L93 Difference]: Finished difference Result 212277 states and 272245 transitions. [2019-10-07 07:40:40,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:40:40,795 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 190 [2019-10-07 07:40:40,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:40:41,401 INFO L225 Difference]: With dead ends: 212277 [2019-10-07 07:40:41,402 INFO L226 Difference]: Without dead ends: 212275 [2019-10-07 07:40:41,464 INFO L606 BasicCegarLoop]: 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 [2019-10-07 07:40:41,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212275 states. [2019-10-07 07:40:50,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212275 to 212275. [2019-10-07 07:40:50,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212275 states. [2019-10-07 07:40:50,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212275 states to 212275 states and 272243 transitions. [2019-10-07 07:40:50,678 INFO L78 Accepts]: Start accepts. Automaton has 212275 states and 272243 transitions. Word has length 190 [2019-10-07 07:40:50,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:40:50,679 INFO L462 AbstractCegarLoop]: Abstraction has 212275 states and 272243 transitions. [2019-10-07 07:40:50,679 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:40:50,679 INFO L276 IsEmpty]: Start isEmpty. Operand 212275 states and 272243 transitions. [2019-10-07 07:40:50,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-07 07:40:50,680 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:40:50,681 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:40:50,681 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:40:50,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:40:50,681 INFO L82 PathProgramCache]: Analyzing trace with hash -906566129, now seen corresponding path program 1 times [2019-10-07 07:40:50,682 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:40:50,682 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:40:50,682 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:40:50,682 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:40:50,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:40:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:40:50,869 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2019-10-07 07:40:50,869 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:40:50,869 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:40:50,869 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:40:50,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:40:50,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:40:50,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:40:50,870 INFO L87 Difference]: Start difference. First operand 212275 states and 272243 transitions. Second operand 5 states. [2019-10-07 07:41:01,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:41:01,958 INFO L93 Difference]: Finished difference Result 212281 states and 272248 transitions. [2019-10-07 07:41:01,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:41:01,958 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 195 [2019-10-07 07:41:01,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:41:02,597 INFO L225 Difference]: With dead ends: 212281 [2019-10-07 07:41:02,597 INFO L226 Difference]: Without dead ends: 212279 [2019-10-07 07:41:02,661 INFO L606 BasicCegarLoop]: 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 [2019-10-07 07:41:02,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212279 states. [2019-10-07 07:41:11,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212279 to 212279. [2019-10-07 07:41:11,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212279 states. [2019-10-07 07:41:12,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212279 states to 212279 states and 272246 transitions. [2019-10-07 07:41:12,513 INFO L78 Accepts]: Start accepts. Automaton has 212279 states and 272246 transitions. Word has length 195 [2019-10-07 07:41:12,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:41:12,514 INFO L462 AbstractCegarLoop]: Abstraction has 212279 states and 272246 transitions. [2019-10-07 07:41:12,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:41:12,514 INFO L276 IsEmpty]: Start isEmpty. Operand 212279 states and 272246 transitions. [2019-10-07 07:41:12,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-10-07 07:41:12,516 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:41:12,517 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:41:12,517 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:41:12,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:41:12,517 INFO L82 PathProgramCache]: Analyzing trace with hash -488595977, now seen corresponding path program 1 times [2019-10-07 07:41:12,517 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:41:12,518 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:12,518 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:12,518 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:12,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:41:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:41:12,729 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-10-07 07:41:12,729 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:12,729 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:41:12,730 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:41:12,730 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:41:12,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:41:12,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:41:12,731 INFO L87 Difference]: Start difference. First operand 212279 states and 272246 transitions. Second operand 5 states. [2019-10-07 07:41:24,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:41:24,321 INFO L93 Difference]: Finished difference Result 212285 states and 272251 transitions. [2019-10-07 07:41:24,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:41:24,321 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 200 [2019-10-07 07:41:24,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:41:24,974 INFO L225 Difference]: With dead ends: 212285 [2019-10-07 07:41:24,974 INFO L226 Difference]: Without dead ends: 212283 [2019-10-07 07:41:25,047 INFO L606 BasicCegarLoop]: 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 [2019-10-07 07:41:25,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212283 states. [2019-10-07 07:41:34,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212283 to 212283. [2019-10-07 07:41:34,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212283 states. [2019-10-07 07:41:34,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212283 states to 212283 states and 272249 transitions. [2019-10-07 07:41:34,871 INFO L78 Accepts]: Start accepts. Automaton has 212283 states and 272249 transitions. Word has length 200 [2019-10-07 07:41:34,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:41:34,871 INFO L462 AbstractCegarLoop]: Abstraction has 212283 states and 272249 transitions. [2019-10-07 07:41:34,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:41:34,871 INFO L276 IsEmpty]: Start isEmpty. Operand 212283 states and 272249 transitions. [2019-10-07 07:41:34,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-07 07:41:34,874 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:41:34,874 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:41:34,874 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:41:34,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:41:34,874 INFO L82 PathProgramCache]: Analyzing trace with hash -965562673, now seen corresponding path program 1 times [2019-10-07 07:41:34,875 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:41:34,875 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:34,875 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:34,875 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:34,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:41:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:41:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2019-10-07 07:41:35,061 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:35,061 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:41:35,062 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:41:35,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:41:35,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:41:35,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:41:35,063 INFO L87 Difference]: Start difference. First operand 212283 states and 272249 transitions. Second operand 5 states. [2019-10-07 07:41:47,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:41:47,794 INFO L93 Difference]: Finished difference Result 212289 states and 272254 transitions. [2019-10-07 07:41:47,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:41:47,794 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 205 [2019-10-07 07:41:47,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:41:48,414 INFO L225 Difference]: With dead ends: 212289 [2019-10-07 07:41:48,414 INFO L226 Difference]: Without dead ends: 212287 [2019-10-07 07:41:48,475 INFO L606 BasicCegarLoop]: 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 [2019-10-07 07:41:48,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212287 states. [2019-10-07 07:41:57,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212287 to 212287. [2019-10-07 07:41:57,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212287 states. [2019-10-07 07:41:58,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212287 states to 212287 states and 272252 transitions. [2019-10-07 07:41:58,424 INFO L78 Accepts]: Start accepts. Automaton has 212287 states and 272252 transitions. Word has length 205 [2019-10-07 07:41:58,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:41:58,425 INFO L462 AbstractCegarLoop]: Abstraction has 212287 states and 272252 transitions. [2019-10-07 07:41:58,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:41:58,425 INFO L276 IsEmpty]: Start isEmpty. Operand 212287 states and 272252 transitions. [2019-10-07 07:41:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-10-07 07:41:58,428 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:41:58,428 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:41:58,428 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:41:58,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:41:58,429 INFO L82 PathProgramCache]: Analyzing trace with hash 207518903, now seen corresponding path program 1 times [2019-10-07 07:41:58,429 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:41:58,429 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:58,429 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:58,429 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:58,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:41:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:41:58,624 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-10-07 07:41:58,624 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:58,624 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:41:58,624 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:41:58,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:41:58,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:41:58,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:41:58,626 INFO L87 Difference]: Start difference. First operand 212287 states and 272252 transitions. Second operand 5 states. [2019-10-07 07:42:10,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:42:10,447 INFO L93 Difference]: Finished difference Result 212293 states and 272257 transitions. [2019-10-07 07:42:10,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:42:10,447 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 210 [2019-10-07 07:42:10,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:42:11,182 INFO L225 Difference]: With dead ends: 212293 [2019-10-07 07:42:11,182 INFO L226 Difference]: Without dead ends: 212291 [2019-10-07 07:42:11,261 INFO L606 BasicCegarLoop]: 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 [2019-10-07 07:42:11,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212291 states. [2019-10-07 07:42:22,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212291 to 212291. [2019-10-07 07:42:22,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212291 states. [2019-10-07 07:42:23,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212291 states to 212291 states and 272255 transitions. [2019-10-07 07:42:23,356 INFO L78 Accepts]: Start accepts. Automaton has 212291 states and 272255 transitions. Word has length 210 [2019-10-07 07:42:23,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:42:23,357 INFO L462 AbstractCegarLoop]: Abstraction has 212291 states and 272255 transitions. [2019-10-07 07:42:23,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:42:23,357 INFO L276 IsEmpty]: Start isEmpty. Operand 212291 states and 272255 transitions. [2019-10-07 07:42:23,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-10-07 07:42:23,360 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:42:23,360 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 9, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:42:23,361 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:42:23,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:42:23,361 INFO L82 PathProgramCache]: Analyzing trace with hash 516700047, now seen corresponding path program 1 times [2019-10-07 07:42:23,361 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:42:23,362 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:23,362 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:23,362 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:23,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:42:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:42:23,557 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2019-10-07 07:42:23,558 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:23,558 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:42:23,558 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:42:23,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:42:23,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:42:23,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:42:23,559 INFO L87 Difference]: Start difference. First operand 212291 states and 272255 transitions. Second operand 5 states. [2019-10-07 07:42:35,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:42:35,230 INFO L93 Difference]: Finished difference Result 212297 states and 272260 transitions. [2019-10-07 07:42:35,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:42:35,230 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 215 [2019-10-07 07:42:35,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:42:36,244 INFO L225 Difference]: With dead ends: 212297 [2019-10-07 07:42:36,244 INFO L226 Difference]: Without dead ends: 212295 [2019-10-07 07:42:36,312 INFO L606 BasicCegarLoop]: 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 [2019-10-07 07:42:36,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212295 states. [2019-10-07 07:42:46,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212295 to 212295. [2019-10-07 07:42:46,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212295 states. [2019-10-07 07:42:47,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212295 states to 212295 states and 272258 transitions. [2019-10-07 07:42:47,411 INFO L78 Accepts]: Start accepts. Automaton has 212295 states and 272258 transitions. Word has length 215 [2019-10-07 07:42:47,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:42:47,411 INFO L462 AbstractCegarLoop]: Abstraction has 212295 states and 272258 transitions. [2019-10-07 07:42:47,411 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:42:47,411 INFO L276 IsEmpty]: Start isEmpty. Operand 212295 states and 272258 transitions. [2019-10-07 07:42:47,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-10-07 07:42:47,415 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:42:47,415 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:42:47,415 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:42:47,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:42:47,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1586928503, now seen corresponding path program 1 times [2019-10-07 07:42:47,416 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:42:47,416 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:47,416 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:47,416 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:47,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:42:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:42:47,663 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-10-07 07:42:47,663 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:47,664 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:42:47,664 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:42:47,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:42:47,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:42:47,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:42:47,666 INFO L87 Difference]: Start difference. First operand 212295 states and 272258 transitions. Second operand 5 states. [2019-10-07 07:43:00,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:43:00,894 INFO L93 Difference]: Finished difference Result 220313 states and 279806 transitions. [2019-10-07 07:43:00,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:43:00,895 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 220 [2019-10-07 07:43:00,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:43:01,592 INFO L225 Difference]: With dead ends: 220313 [2019-10-07 07:43:01,592 INFO L226 Difference]: Without dead ends: 220311 [2019-10-07 07:43:01,659 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:43:01,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220311 states. [2019-10-07 07:43:12,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220311 to 220309. [2019-10-07 07:43:12,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220309 states. [2019-10-07 07:43:13,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220309 states to 220309 states and 279803 transitions. [2019-10-07 07:43:13,339 INFO L78 Accepts]: Start accepts. Automaton has 220309 states and 279803 transitions. Word has length 220 [2019-10-07 07:43:13,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:43:13,340 INFO L462 AbstractCegarLoop]: Abstraction has 220309 states and 279803 transitions. [2019-10-07 07:43:13,340 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:43:13,340 INFO L276 IsEmpty]: Start isEmpty. Operand 220309 states and 279803 transitions. [2019-10-07 07:43:13,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-10-07 07:43:13,345 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:43:13,346 INFO L385 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:43:13,346 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:43:13,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:43:13,346 INFO L82 PathProgramCache]: Analyzing trace with hash -388792241, now seen corresponding path program 1 times [2019-10-07 07:43:13,347 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:43:13,347 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:43:13,347 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:43:13,347 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:43:13,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:43:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:43:13,553 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2019-10-07 07:43:13,554 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:43:13,554 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:43:13,554 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:43:13,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:43:13,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:43:13,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:43:13,555 INFO L87 Difference]: Start difference. First operand 220309 states and 279803 transitions. Second operand 5 states. [2019-10-07 07:43:26,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:43:26,754 INFO L93 Difference]: Finished difference Result 220315 states and 279808 transitions. [2019-10-07 07:43:26,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:43:26,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 225 [2019-10-07 07:43:26,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:43:27,430 INFO L225 Difference]: With dead ends: 220315 [2019-10-07 07:43:27,431 INFO L226 Difference]: Without dead ends: 220313 [2019-10-07 07:43:27,497 INFO L606 BasicCegarLoop]: 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 [2019-10-07 07:43:27,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220313 states. [2019-10-07 07:43:39,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220313 to 220313. [2019-10-07 07:43:39,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220313 states. [2019-10-07 07:43:39,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220313 states to 220313 states and 279806 transitions. [2019-10-07 07:43:39,616 INFO L78 Accepts]: Start accepts. Automaton has 220313 states and 279806 transitions. Word has length 225 [2019-10-07 07:43:39,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:43:39,617 INFO L462 AbstractCegarLoop]: Abstraction has 220313 states and 279806 transitions. [2019-10-07 07:43:39,617 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:43:39,617 INFO L276 IsEmpty]: Start isEmpty. Operand 220313 states and 279806 transitions. [2019-10-07 07:43:39,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-10-07 07:43:39,621 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:43:39,622 INFO L385 BasicCegarLoop]: trace histogram [12, 11, 11, 10, 10, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:43:39,622 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:43:39,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:43:39,622 INFO L82 PathProgramCache]: Analyzing trace with hash -440862153, now seen corresponding path program 1 times [2019-10-07 07:43:39,623 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:43:39,623 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:43:39,623 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:43:39,623 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:43:39,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:43:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:43:39,811 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2019-10-07 07:43:39,811 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:43:39,812 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:43:39,812 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:43:39,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:43:39,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:43:39,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:43:39,813 INFO L87 Difference]: Start difference. First operand 220313 states and 279806 transitions. Second operand 5 states. [2019-10-07 07:43:53,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:43:53,717 INFO L93 Difference]: Finished difference Result 220319 states and 279811 transitions. [2019-10-07 07:43:53,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:43:53,717 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2019-10-07 07:43:53,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:43:54,494 INFO L225 Difference]: With dead ends: 220319 [2019-10-07 07:43:54,494 INFO L226 Difference]: Without dead ends: 220315 [2019-10-07 07:43:54,569 INFO L606 BasicCegarLoop]: 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 [2019-10-07 07:43:54,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220315 states. [2019-10-07 07:44:06,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220315 to 220315. [2019-10-07 07:44:06,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220315 states. [2019-10-07 07:44:07,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220315 states to 220315 states and 279807 transitions. [2019-10-07 07:44:07,424 INFO L78 Accepts]: Start accepts. Automaton has 220315 states and 279807 transitions. Word has length 230 [2019-10-07 07:44:07,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:44:07,425 INFO L462 AbstractCegarLoop]: Abstraction has 220315 states and 279807 transitions. [2019-10-07 07:44:07,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:44:07,425 INFO L276 IsEmpty]: Start isEmpty. Operand 220315 states and 279807 transitions. [2019-10-07 07:44:07,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-10-07 07:44:07,432 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:44:07,432 INFO L385 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:44:07,432 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:44:07,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:44:07,433 INFO L82 PathProgramCache]: Analyzing trace with hash -950563360, now seen corresponding path program 1 times [2019-10-07 07:44:07,433 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:44:07,433 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:44:07,433 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:44:07,433 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:44:07,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:44:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:44:07,690 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2019-10-07 07:44:07,691 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:44:07,691 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:44:07,691 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:44:07,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:44:07,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:44:07,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:44:07,693 INFO L87 Difference]: Start difference. First operand 220315 states and 279807 transitions. Second operand 5 states. [2019-10-07 07:44:43,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:44:43,404 INFO L93 Difference]: Finished difference Result 493891 states and 626935 transitions. [2019-10-07 07:44:43,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:44:43,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 235 [2019-10-07 07:44:43,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:44:44,315 INFO L225 Difference]: With dead ends: 493891 [2019-10-07 07:44:44,315 INFO L226 Difference]: Without dead ends: 273614 [2019-10-07 07:44:44,681 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-07 07:44:44,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273614 states. [2019-10-07 07:45:07,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273614 to 273345. [2019-10-07 07:45:07,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273345 states. [2019-10-07 07:45:08,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273345 states to 273345 states and 345411 transitions. [2019-10-07 07:45:08,191 INFO L78 Accepts]: Start accepts. Automaton has 273345 states and 345411 transitions. Word has length 235 [2019-10-07 07:45:08,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:45:08,191 INFO L462 AbstractCegarLoop]: Abstraction has 273345 states and 345411 transitions. [2019-10-07 07:45:08,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:45:08,191 INFO L276 IsEmpty]: Start isEmpty. Operand 273345 states and 345411 transitions. [2019-10-07 07:45:08,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-10-07 07:45:08,195 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:45:08,195 INFO L385 BasicCegarLoop]: trace histogram [13, 12, 12, 10, 10, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:45:08,196 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:45:08,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:45:08,196 INFO L82 PathProgramCache]: Analyzing trace with hash 911771919, now seen corresponding path program 1 times [2019-10-07 07:45:08,196 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:45:08,196 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:45:08,196 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:45:08,197 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:45:08,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:45:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:45:08,403 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2019-10-07 07:45:08,403 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:45:08,403 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:45:08,404 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:45:08,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:45:08,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:45:08,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:45:08,405 INFO L87 Difference]: Start difference. First operand 273345 states and 345411 transitions. Second operand 5 states. [2019-10-07 07:45:21,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:45:21,886 INFO L93 Difference]: Finished difference Result 280106 states and 351667 transitions. [2019-10-07 07:45:21,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:45:21,886 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 235 [2019-10-07 07:45:21,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:45:22,780 INFO L225 Difference]: With dead ends: 280106 [2019-10-07 07:45:22,780 INFO L226 Difference]: Without dead ends: 279497 [2019-10-07 07:45:22,859 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:45:23,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279497 states.