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-realtek-8139cp.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 07:45:14,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 07:45:14,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 07:45:14,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 07:45:14,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 07:45:14,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 07:45:14,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 07:45:14,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 07:45:14,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 07:45:14,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 07:45:14,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 07:45:14,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 07:45:14,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 07:45:14,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 07:45:14,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 07:45:14,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 07:45:14,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 07:45:14,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 07:45:14,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 07:45:14,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 07:45:14,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 07:45:14,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 07:45:14,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 07:45:14,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 07:45:14,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 07:45:14,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 07:45:14,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 07:45:14,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 07:45:14,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 07:45:14,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 07:45:14,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 07:45:14,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 07:45:14,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 07:45:14,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 07:45:14,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 07:45:14,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 07:45:14,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 07:45:14,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 07:45:14,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 07:45:14,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 07:45:14,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 07:45:14,447 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 07:45:14,472 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 07:45:14,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 07:45:14,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 07:45:14,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 07:45:14,473 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 07:45:14,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 07:45:14,474 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 07:45:14,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 07:45:14,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 07:45:14,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 07:45:14,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 07:45:14,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 07:45:14,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 07:45:14,475 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 07:45:14,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 07:45:14,475 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 07:45:14,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 07:45:14,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 07:45:14,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 07:45:14,476 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 07:45:14,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 07:45:14,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 07:45:14,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 07:45:14,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 07:45:14,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 07:45:14,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 07:45:14,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 07:45:14,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 07:45:14,478 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 07:45:14,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 07:45:14,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 07:45:14,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 07:45:14,768 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 07:45:14,769 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 07:45:14,769 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2019-10-07 07:45:14,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e47a563b/79186e593afd4bf28b99d24b06ab6570/FLAGd5e5aa563 [2019-10-07 07:45:15,769 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 07:45:15,772 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2019-10-07 07:45:15,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e47a563b/79186e593afd4bf28b99d24b06ab6570/FLAGd5e5aa563 [2019-10-07 07:45:16,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e47a563b/79186e593afd4bf28b99d24b06ab6570 [2019-10-07 07:45:16,167 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 07:45:16,169 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 07:45:16,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 07:45:16,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 07:45:16,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 07:45:16,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 07:45:16" (1/1) ... [2019-10-07 07:45:16,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36bf64fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:45:16, skipping insertion in model container [2019-10-07 07:45:16,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 07:45:16" (1/1) ... [2019-10-07 07:45:16,182 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 07:45:16,371 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 07:45:20,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 07:45:21,053 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 07:45:21,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 07:45:22,781 INFO L192 MainTranslator]: Completed translation [2019-10-07 07:45:22,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:45:22 WrapperNode [2019-10-07 07:45:22,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 07:45:22,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 07:45:22,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 07:45:22,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 07:45:22,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:45:22" (1/1) ... [2019-10-07 07:45:22,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:45:22" (1/1) ... [2019-10-07 07:45:22,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:45:22" (1/1) ... [2019-10-07 07:45:22,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:45:22" (1/1) ... [2019-10-07 07:45:23,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:45:22" (1/1) ... [2019-10-07 07:45:23,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:45:22" (1/1) ... [2019-10-07 07:45:23,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:45:22" (1/1) ... [2019-10-07 07:45:23,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 07:45:23,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 07:45:23,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 07:45:23,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 07:45:23,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:45:22" (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 07:45:23,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 07:45:23,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 07:45:23,336 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 07:45:23,336 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 07:45:23,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~int [2019-10-07 07:45:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-07 07:45:23,337 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 07:45:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2019-10-07 07:45:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-07 07:45:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 07:45:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2019-10-07 07:45:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 07:45:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-07 07:45:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-07 07:45:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-07 07:45:23,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-07 07:45:23,339 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-07 07:45:23,339 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-07 07:45:23,339 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 07:45:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 07:45:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-07 07:45:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 07:45:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-07 07:45:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 07:45:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-07 07:45:23,341 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2019-10-07 07:45:23,341 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2019-10-07 07:45:23,341 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-07 07:45:23,341 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2019-10-07 07:45:23,341 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2019-10-07 07:45:23,341 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-07 07:45:23,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-07 07:45:23,342 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2019-10-07 07:45:23,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-07 07:45:23,342 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-07 07:45:23,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_queued [2019-10-07 07:45:23,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2019-10-07 07:45:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-07 07:45:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-07 07:45:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-10-07 07:45:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-07 07:45:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-10-07 07:45:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-10-07 07:45:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2019-10-07 07:45:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-10-07 07:45:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-10-07 07:45:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-07 07:45:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-07 07:45:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_coherent_mask [2019-10-07 07:45:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2019-10-07 07:45:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-07 07:45:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2019-10-07 07:45:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2019-10-07 07:45:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2019-10-07 07:45:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2019-10-07 07:45:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2019-10-07 07:45:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_address [2019-10-07 07:45:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2019-10-07 07:45:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2019-10-07 07:45:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2019-10-07 07:45:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2019-10-07 07:45:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2019-10-07 07:45:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-07 07:45:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-07 07:45:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2019-10-07 07:45:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-07 07:45:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-07 07:45:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-07 07:45:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-07 07:45:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-07 07:45:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-07 07:45:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_sent_queue [2019-10-07 07:45:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2019-10-07 07:45:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_completed_queue [2019-10-07 07:45:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2019-10-07 07:45:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_reset_queue [2019-10-07 07:45:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_reset_queue [2019-10-07 07:45:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-07 07:45:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-07 07:45:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2019-10-07 07:45:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2019-10-07 07:45:23,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2019-10-07 07:45:23,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2019-10-07 07:45:23,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2019-10-07 07:45:23,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2019-10-07 07:45:23,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-07 07:45:23,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-07 07:45:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-07 07:45:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2019-10-07 07:45:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2019-10-07 07:45:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2019-10-07 07:45:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-07 07:45:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-10-07 07:45:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2019-10-07 07:45:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2019-10-07 07:45:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rxbufsize [2019-10-07 07:45:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_rx_skb [2019-10-07 07:45:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_rx_err_acct [2019-10-07 07:45:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_rx_csum_ok [2019-10-07 07:45:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_rx_poll [2019-10-07 07:45:23,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_interrupt [2019-10-07 07:45:23,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_poll_controller [2019-10-07 07:45:23,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_tx [2019-10-07 07:45:23,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_tx_vlan_tag [2019-10-07 07:45:23,353 INFO L138 BoogieDeclarations]: Found implementation of procedure unwind_tx_frag_mapping [2019-10-07 07:45:23,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_start_xmit [2019-10-07 07:45:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __cp_set_rx_mode [2019-10-07 07:45:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rx_mode [2019-10-07 07:45:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __cp_get_stats [2019-10-07 07:45:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_stats [2019-10-07 07:45:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_stop_hw [2019-10-07 07:45:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_reset_hw [2019-10-07 07:45:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_start_hw [2019-10-07 07:45:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_enable_irq [2019-10-07 07:45:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_hw [2019-10-07 07:45:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_refill_rx [2019-10-07 07:45:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings_index [2019-10-07 07:45:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings [2019-10-07 07:45:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_alloc_rings [2019-10-07 07:45:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_clean_rings [2019-10-07 07:45:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_free_rings [2019-10-07 07:45:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_open [2019-10-07 07:45:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_close [2019-10-07 07:45:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_tx_timeout [2019-10-07 07:45:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_change_mtu [2019-10-07 07:45:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2019-10-07 07:45:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2019-10-07 07:45:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_wol [2019-10-07 07:45:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_wol [2019-10-07 07:45:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_drvinfo [2019-10-07 07:45:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_ringparam [2019-10-07 07:45:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_regs_len [2019-10-07 07:45:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_sset_count [2019-10-07 07:45:23,358 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_settings [2019-10-07 07:45:23,358 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_settings [2019-10-07 07:45:23,358 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_nway_reset [2019-10-07 07:45:23,358 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_msglevel [2019-10-07 07:45:23,358 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_msglevel [2019-10-07 07:45:23,358 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_features [2019-10-07 07:45:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_regs [2019-10-07 07:45:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_wol [2019-10-07 07:45:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_wol [2019-10-07 07:45:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_strings [2019-10-07 07:45:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_ethtool_stats [2019-10-07 07:45:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_ioctl [2019-10-07 07:45:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_mac_address [2019-10-07 07:45:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_start [2019-10-07 07:45:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd [2019-10-07 07:45:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_end [2019-10-07 07:45:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_extend_cmd [2019-10-07 07:45:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2019-10-07 07:45:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure write_eeprom [2019-10-07 07:45:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_eeprom_len [2019-10-07 07:45:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_eeprom [2019-10-07 07:45:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_eeprom [2019-10-07 07:45:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_d3_state [2019-10-07 07:45:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_one [2019-10-07 07:45:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_remove_one [2019-10-07 07:45:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_suspend [2019-10-07 07:45:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_resume [2019-10-07 07:45:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init [2019-10-07 07:45:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_exit [2019-10-07 07:45:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cp_exit_11_2 [2019-10-07 07:45:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_cp_init_11_7 [2019-10-07 07:45:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2019-10-07 07:45:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2019-10-07 07:45:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-10-07 07:45:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_8_1 [2019-10-07 07:45:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_9_1 [2019-10-07 07:45:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_4_1 [2019-10-07 07:45:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_7_2 [2019-10-07 07:45:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_10_2 [2019-10-07 07:45:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_6_4 [2019-10-07 07:45:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_10 [2019-10-07 07:45:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_11 [2019-10-07 07:45:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_14 [2019-10-07 07:45:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-10-07 07:45:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2019-10-07 07:45:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2019-10-07 07:45:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_18 [2019-10-07 07:45:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_19 [2019-10-07 07:45:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_20 [2019-10-07 07:45:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_23 [2019-10-07 07:45:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_26 [2019-10-07 07:45:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_27 [2019-10-07 07:45:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 07:45:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_30 [2019-10-07 07:45:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_33 [2019-10-07 07:45:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_34 [2019-10-07 07:45:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_35 [2019-10-07 07:45:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_38 [2019-10-07 07:45:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_39 [2019-10-07 07:45:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_40 [2019-10-07 07:45:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_41 [2019-10-07 07:45:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_42 [2019-10-07 07:45:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_43 [2019-10-07 07:45:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_44 [2019-10-07 07:45:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_47 [2019-10-07 07:45:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_50 [2019-10-07 07:45:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_51 [2019-10-07 07:45:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-10-07 07:45:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_11 [2019-10-07 07:45:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 07:45:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2019-10-07 07:45:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2019-10-07 07:45:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-10-07 07:45:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2019-10-07 07:45:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2019-10-07 07:45:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2019-10-07 07:45:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2019-10-07 07:45:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_2_17 [2019-10-07 07:45:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_2_2 [2019-10-07 07:45:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_2_5 [2019-10-07 07:45:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_2_6 [2019-10-07 07:45:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_2_3 [2019-10-07 07:45:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_2_8 [2019-10-07 07:45:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_2_7 [2019-10-07 07:45:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_2 [2019-10-07 07:45:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2019-10-07 07:45:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2019-10-07 07:45:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_6_6 [2019-10-07 07:45:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2019-10-07 07:45:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-10-07 07:45:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-10-07 07:45:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-10-07 07:45:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2019-10-07 07:45:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-10-07 07:45:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2019-10-07 07:45:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_11 [2019-10-07 07:45:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_20 [2019-10-07 07:45:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2019-10-07 07:45:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_8_2 [2019-10-07 07:45:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2019-10-07 07:45:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_59 [2019-10-07 07:45:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_77 [2019-10-07 07:45:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2019-10-07 07:45:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2019-10-07 07:45:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2019-10-07 07:45:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_81 [2019-10-07 07:45:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_84 [2019-10-07 07:45:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_86 [2019-10-07 07:45:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_88 [2019-10-07 07:45:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_89 [2019-10-07 07:45:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_91 [2019-10-07 07:45:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_92 [2019-10-07 07:45:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_94 [2019-10-07 07:45:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_96 [2019-10-07 07:45:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_98 [2019-10-07 07:45:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_100 [2019-10-07 07:45:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_102 [2019-10-07 07:45:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_104 [2019-10-07 07:45:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_106 [2019-10-07 07:45:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_108 [2019-10-07 07:45:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_109 [2019-10-07 07:45:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_116 [2019-10-07 07:45:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_117 [2019-10-07 07:45:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_118 [2019-10-07 07:45:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_119 [2019-10-07 07:45:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_120 [2019-10-07 07:45:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_121 [2019-10-07 07:45:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_123 [2019-10-07 07:45:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_125 [2019-10-07 07:45:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_126 [2019-10-07 07:45:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-07 07:45:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-07 07:45:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-07 07:45:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 07:45:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 07:45:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 07:45:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 07:45:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-07 07:45:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-07 07:45:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-07 07:45:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-07 07:45:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-07 07:45:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-07 07:45:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 07:45:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 07:45:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 07:45:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 07:45:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-07 07:45:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 07:45:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-07 07:45:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-07 07:45:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-07 07:45:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-07 07:45:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-07 07:45:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-07 07:45:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-07 07:45:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 07:45:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 07:45:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 07:45:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-07 07:45:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-07 07:45:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-07 07:45:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-07 07:45:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-07 07:45:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-07 07:45:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-07 07:45:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-07 07:45:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-07 07:45:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-07 07:45:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-07 07:45:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-07 07:45:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-07 07:45:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-07 07:45:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-07 07:45:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-07 07:45:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-07 07:45:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-07 07:45:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-07 07:45:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-07 07:45:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-07 07:45:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-07 07:45:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-07 07:45:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-07 07:45:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-07 07:45:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-07 07:45:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-07 07:45:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-07 07:45:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-07 07:45:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-07 07:45:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-10-07 07:45:23,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-07 07:45:23,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-07 07:45:23,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-07 07:45:23,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-07 07:45:23,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-07 07:45:23,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-07 07:45:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-07 07:45:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-10-07 07:45:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-10-07 07:45:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-10-07 07:45:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-10-07 07:45:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-10-07 07:45:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-10-07 07:45:23,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-10-07 07:45:23,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-10-07 07:45:23,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cp_private [2019-10-07 07:45:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_cp_private [2019-10-07 07:45:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_cp_private [2019-10-07 07:45:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_cp_private [2019-10-07 07:45:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_cp_private [2019-10-07 07:45:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_cp_private [2019-10-07 07:45:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_cp_private [2019-10-07 07:45:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_cp_private [2019-10-07 07:45:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_res_counter [2019-10-07 07:45:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_res_counter [2019-10-07 07:45:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_res_counter [2019-10-07 07:45:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_res_counter [2019-10-07 07:45:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_res_counter [2019-10-07 07:45:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_res_counter [2019-10-07 07:45:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_res_counter [2019-10-07 07:45:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2019-10-07 07:45:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-07 07:45:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-07 07:45:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-07 07:45:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-07 07:45:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-07 07:45:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-07 07:45:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-07 07:45:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-07 07:45:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-07 07:45:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-07 07:45:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-07 07:45:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-07 07:45:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-07 07:45:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-07 07:45:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-07 07:45:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-07 07:45:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-10-07 07:45:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-10-07 07:45:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-10-07 07:45:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-10-07 07:45:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-10-07 07:45:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-10-07 07:45:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-10-07 07:45:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-10-07 07:45:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-07 07:45:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-07 07:45:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-07 07:45:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-07 07:45:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-07 07:45:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-07 07:45:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-07 07:45:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-07 07:45:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_sk_dst_lock_of_sock [2019-10-07 07:45:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2019-10-07 07:45:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2019-10-07 07:45:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2019-10-07 07:45:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2019-10-07 07:45:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2019-10-07 07:45:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2019-10-07 07:45:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2019-10-07 07:45:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-07 07:45:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-07 07:45:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-07 07:45:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-07 07:45:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-07 07:45:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-07 07:45:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-07 07:45:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-07 07:45:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 07:45:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-10-07 07:45:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-07 07:45:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-07 07:45:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-07 07:45:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-07 07:45:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-07 07:45:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-07 07:45:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-07 07:45:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2019-10-07 07:45:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-07 07:45:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_complete [2019-10-07 07:45:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2019-10-07 07:45:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-10-07 07:45:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-07 07:45:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2019-10-07 07:45:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-07 07:45:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-07 07:45:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 07:45:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-07 07:45:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 07:45:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-07 07:45:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 07:45:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-07 07:45:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 07:45:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-07 07:45:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2019-10-07 07:45:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-07 07:45:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-07 07:45:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-10-07 07:45:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-10-07 07:45:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-10-07 07:45:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_mapping_error [2019-10-07 07:45:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-10-07 07:45:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 07:45:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2019-10-07 07:45:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2019-10-07 07:45:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_supported [2019-10-07 07:45:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_completed [2019-10-07 07:45:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_reset [2019-10-07 07:45:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-10-07 07:45:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-07 07:45:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-07 07:45:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2019-10-07 07:45:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-07 07:45:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-07 07:45:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-07 07:45:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2019-10-07 07:45:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-07 07:45:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-07 07:45:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-10-07 07:45:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-07 07:45:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-07 07:45:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 07:45:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 07:45:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2019-10-07 07:45:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2019-10-07 07:45:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2019-10-07 07:45:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2019-10-07 07:45:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2019-10-07 07:45:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2019-10-07 07:45:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2019-10-07 07:45:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2019-10-07 07:45:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-07 07:45:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_flush [2019-10-07 07:45:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2019-10-07 07:45:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-07 07:45:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-07 07:45:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-07 07:45:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-07 07:45:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2019-10-07 07:45:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2019-10-07 07:45:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2019-10-07 07:45:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-10-07 07:45:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2019-10-07 07:45:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_word [2019-10-07 07:45:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2019-10-07 07:45:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2019-10-07 07:45:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-07 07:45:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-07 07:45:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-07 07:45:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-07 07:45:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-10-07 07:45:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-10-07 07:45:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-07 07:45:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_mwi [2019-10-07 07:45:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2019-10-07 07:45:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-07 07:45:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 07:45:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-07 07:45:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-07 07:45:23,411 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2019-10-07 07:45:23,411 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-07 07:45:23,411 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-07 07:45:23,411 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-07 07:45:23,411 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 07:45:23,411 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 07:45:23,411 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 07:45:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 07:45:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 07:45:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 07:45:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 07:45:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-07 07:45:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-07 07:45:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 07:45:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-07 07:45:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-07 07:45:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-07 07:45:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 07:45:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-07 07:45:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 07:45:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-07 07:45:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-07 07:45:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-07 07:45:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 07:45:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 07:45:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-07 07:45:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 07:45:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-07 07:45:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 07:45:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-07 07:45:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2019-10-07 07:45:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_77 [2019-10-07 07:45:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_81 [2019-10-07 07:45:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_84 [2019-10-07 07:45:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_86 [2019-10-07 07:45:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_89 [2019-10-07 07:45:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_92 [2019-10-07 07:45:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_94 [2019-10-07 07:45:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_96 [2019-10-07 07:45:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_98 [2019-10-07 07:45:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_100 [2019-10-07 07:45:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_102 [2019-10-07 07:45:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_104 [2019-10-07 07:45:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_106 [2019-10-07 07:45:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_121 [2019-10-07 07:45:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_123 [2019-10-07 07:45:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cp_private [2019-10-07 07:45:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_cp_private [2019-10-07 07:45:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 07:45:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-07 07:45:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2019-10-07 07:45:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-07 07:45:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-07 07:45:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2019-10-07 07:45:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 07:45:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2019-10-07 07:45:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2019-10-07 07:45:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-07 07:45:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 07:45:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 07:45:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-07 07:45:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-07 07:45:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-07 07:45:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 07:45:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 07:45:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-07 07:45:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 07:45:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-07 07:45:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 07:45:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 07:45:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 07:45:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2019-10-07 07:45:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-07 07:45:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_108 [2019-10-07 07:45:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 07:45:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2019-10-07 07:45:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-07 07:45:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_109 [2019-10-07 07:45:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 07:45:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2019-10-07 07:45:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-07 07:45:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2019-10-07 07:45:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2019-10-07 07:45:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-07 07:45:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2019-10-07 07:45:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2019-10-07 07:45:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-07 07:45:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-07 07:45:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-07 07:45:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-07 07:45:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2019-10-07 07:45:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 07:45:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-07 07:45:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2019-10-07 07:45:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_59 [2019-10-07 07:45:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 07:45:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-07 07:45:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-07 07:45:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-07 07:45:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-07 07:45:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure dql_queued [2019-10-07 07:45:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 07:45:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2019-10-07 07:45:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure dql_completed [2019-10-07 07:45:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure dql_reset [2019-10-07 07:45:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2019-10-07 07:45:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-07 07:45:23,426 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-07 07:45:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-10-07 07:45:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-10-07 07:45:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_mapping_error [2019-10-07 07:45:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-10-07 07:45:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-10-07 07:45:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-10-07 07:45:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-07 07:45:23,427 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-10-07 07:45:23,428 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 07:45:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-10-07 07:45:23,428 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 07:45:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2019-10-07 07:45:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~int [2019-10-07 07:45:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2019-10-07 07:45:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2019-10-07 07:45:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-10-07 07:45:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-10-07 07:45:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-07 07:45:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-07 07:45:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-07 07:45:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 07:45:23,429 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 07:45:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_coherent_mask [2019-10-07 07:45:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2019-10-07 07:45:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-10-07 07:45:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-07 07:45:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-07 07:45:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2019-10-07 07:45:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-07 07:45:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2019-10-07 07:45:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-10-07 07:45:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2019-10-07 07:45:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2019-10-07 07:45:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2019-10-07 07:45:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_address [2019-10-07 07:45:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2019-10-07 07:45:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-10-07 07:45:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2019-10-07 07:45:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2019-10-07 07:45:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2019-10-07 07:45:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_complete [2019-10-07 07:45:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2019-10-07 07:45:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2019-10-07 07:45:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-07 07:45:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-07 07:45:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2019-10-07 07:45:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-07 07:45:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_118 [2019-10-07 07:45:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_120 [2019-10-07 07:45:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-10-07 07:45:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-07 07:45:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2019-10-07 07:45:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-07 07:45:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-07 07:45:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-07 07:45:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-07 07:45:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-07 07:45:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-07 07:45:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_sent_queue [2019-10-07 07:45:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2019-10-07 07:45:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_completed_queue [2019-10-07 07:45:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2019-10-07 07:45:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_reset_queue [2019-10-07 07:45:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_reset_queue [2019-10-07 07:45:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-07 07:45:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-07 07:45:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-07 07:45:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2019-10-07 07:45:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_flush [2019-10-07 07:45:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-07 07:45:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2019-10-07 07:45:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2019-10-07 07:45:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2019-10-07 07:45:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-07 07:45:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_117 [2019-10-07 07:45:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-07 07:45:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_119 [2019-10-07 07:45:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-07 07:45:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-07 07:45:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-07 07:45:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2019-10-07 07:45:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2019-10-07 07:45:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2019-10-07 07:45:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2019-10-07 07:45:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-07 07:45:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-07 07:45:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-07 07:45:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_mwi [2019-10-07 07:45:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2019-10-07 07:45:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-10-07 07:45:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-10-07 07:45:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2019-10-07 07:45:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2019-10-07 07:45:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2019-10-07 07:45:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2019-10-07 07:45:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-07 07:45:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-07 07:45:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-07 07:45:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_125 [2019-10-07 07:45:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-07 07:45:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_126 [2019-10-07 07:45:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2019-10-07 07:45:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2019-10-07 07:45:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-07 07:45:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-07 07:45:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-07 07:45:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-07 07:45:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-07 07:45:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-07 07:45:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_116 [2019-10-07 07:45:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2019-10-07 07:45:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2019-10-07 07:45:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2019-10-07 07:45:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-07 07:45:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-07 07:45:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_88 [2019-10-07 07:45:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-07 07:45:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_91 [2019-10-07 07:45:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2019-10-07 07:45:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-10-07 07:45:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2019-10-07 07:45:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2019-10-07 07:45:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2019-10-07 07:45:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2019-10-07 07:45:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2019-10-07 07:45:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-10-07 07:45:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2019-10-07 07:45:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2019-10-07 07:45:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-07 07:45:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2019-10-07 07:45:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure __cp_set_rx_mode [2019-10-07 07:45:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure cp_tx [2019-10-07 07:45:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure cp_clean_rings [2019-10-07 07:45:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure cp_poll_controller [2019-10-07 07:45:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_eeprom_len [2019-10-07 07:45:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_eeprom [2019-10-07 07:45:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_eeprom [2019-10-07 07:45:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rxbufsize [2019-10-07 07:45:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure cp_rx_skb [2019-10-07 07:45:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure cp_rx_err_acct [2019-10-07 07:45:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 07:45:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 07:45:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure cp_rx_csum_ok [2019-10-07 07:45:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure cp_rx_poll [2019-10-07 07:45:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure cp_interrupt [2019-10-07 07:45:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure cp_tx_vlan_tag [2019-10-07 07:45:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure unwind_tx_frag_mapping [2019-10-07 07:45:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure cp_start_xmit [2019-10-07 07:45:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rx_mode [2019-10-07 07:45:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure __cp_get_stats [2019-10-07 07:45:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_stats [2019-10-07 07:45:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure cp_stop_hw [2019-10-07 07:45:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure cp_reset_hw [2019-10-07 07:45:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure cp_start_hw [2019-10-07 07:45:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure cp_enable_irq [2019-10-07 07:45:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_hw [2019-10-07 07:45:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure cp_refill_rx [2019-10-07 07:45:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings_index [2019-10-07 07:45:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings [2019-10-07 07:45:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 07:45:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure cp_alloc_rings [2019-10-07 07:45:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure cp_free_rings [2019-10-07 07:45:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure cp_open [2019-10-07 07:45:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure cp_close [2019-10-07 07:45:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure cp_tx_timeout [2019-10-07 07:45:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure cp_change_mtu [2019-10-07 07:45:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2019-10-07 07:45:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2019-10-07 07:45:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_wol [2019-10-07 07:45:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_wol [2019-10-07 07:45:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_drvinfo [2019-10-07 07:45:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_ringparam [2019-10-07 07:45:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_regs_len [2019-10-07 07:45:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_sset_count [2019-10-07 07:45:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_settings [2019-10-07 07:45:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_settings [2019-10-07 07:45:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure cp_nway_reset [2019-10-07 07:45:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_msglevel [2019-10-07 07:45:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_msglevel [2019-10-07 07:45:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_features [2019-10-07 07:45:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_regs [2019-10-07 07:45:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_wol [2019-10-07 07:45:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_wol [2019-10-07 07:45:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_strings [2019-10-07 07:45:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_ethtool_stats [2019-10-07 07:45:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure cp_ioctl [2019-10-07 07:45:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_mac_address [2019-10-07 07:45:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_start [2019-10-07 07:45:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd [2019-10-07 07:45:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_end [2019-10-07 07:45:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_extend_cmd [2019-10-07 07:45:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2019-10-07 07:45:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure write_eeprom [2019-10-07 07:45:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_d3_state [2019-10-07 07:45:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_one [2019-10-07 07:45:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure cp_remove_one [2019-10-07 07:45:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure cp_suspend [2019-10-07 07:45:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure cp_resume [2019-10-07 07:45:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init [2019-10-07 07:45:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure cp_exit [2019-10-07 07:45:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cp_exit_11_2 [2019-10-07 07:45:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_cp_init_11_7 [2019-10-07 07:45:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2019-10-07 07:45:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2019-10-07 07:45:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-10-07 07:45:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_8_1 [2019-10-07 07:45:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_9_1 [2019-10-07 07:45:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_4_1 [2019-10-07 07:45:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_7_2 [2019-10-07 07:45:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_10_2 [2019-10-07 07:45:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_6_4 [2019-10-07 07:45:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_10 [2019-10-07 07:45:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_11 [2019-10-07 07:45:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_14 [2019-10-07 07:45:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-10-07 07:45:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2019-10-07 07:45:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2019-10-07 07:45:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_18 [2019-10-07 07:45:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_19 [2019-10-07 07:45:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_20 [2019-10-07 07:45:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_23 [2019-10-07 07:45:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_26 [2019-10-07 07:45:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_27 [2019-10-07 07:45:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 07:45:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_30 [2019-10-07 07:45:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_33 [2019-10-07 07:45:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_34 [2019-10-07 07:45:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_35 [2019-10-07 07:45:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_38 [2019-10-07 07:45:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_39 [2019-10-07 07:45:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_40 [2019-10-07 07:45:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_41 [2019-10-07 07:45:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_42 [2019-10-07 07:45:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_43 [2019-10-07 07:45:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_44 [2019-10-07 07:45:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_47 [2019-10-07 07:45:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_50 [2019-10-07 07:45:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_51 [2019-10-07 07:45:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-10-07 07:45:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_11 [2019-10-07 07:45:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 07:45:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2019-10-07 07:45:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2019-10-07 07:45:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-10-07 07:45:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2019-10-07 07:45:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2019-10-07 07:45:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2019-10-07 07:45:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2019-10-07 07:45:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_2_17 [2019-10-07 07:45:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_2_2 [2019-10-07 07:45:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_2_5 [2019-10-07 07:45:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_2_6 [2019-10-07 07:45:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_2_3 [2019-10-07 07:45:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_2_8 [2019-10-07 07:45:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_2_7 [2019-10-07 07:45:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_2 [2019-10-07 07:45:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2019-10-07 07:45:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2019-10-07 07:45:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_6_6 [2019-10-07 07:45:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2019-10-07 07:45:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-10-07 07:45:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-10-07 07:45:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-10-07 07:45:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2019-10-07 07:45:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-10-07 07:45:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2019-10-07 07:45:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_11 [2019-10-07 07:45:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_20 [2019-10-07 07:45:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2019-10-07 07:45:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_8_2 [2019-10-07 07:45:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2019-10-07 07:45:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-07 07:45:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 07:45:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2019-10-07 07:45:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-07 07:45:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 07:45:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-07 07:45:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 07:45:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 07:45:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 07:45:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 07:45:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-07 07:45:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 07:45:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-07 07:45:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-07 07:45:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-07 07:45:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 07:45:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 07:45:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-07 07:45:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-07 07:45:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-07 07:45:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-07 07:45:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-07 07:45:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 07:45:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 07:45:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 07:45:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 07:45:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 07:45:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 07:45:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 07:45:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-07 07:45:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-07 07:45:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 07:45:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 07:45:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 07:45:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-07 07:45:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-07 07:45:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-07 07:45:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-07 07:45:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-07 07:45:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-07 07:45:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-07 07:45:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-07 07:45:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-07 07:45:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-07 07:45:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-07 07:45:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-07 07:45:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-07 07:45:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-07 07:45:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-07 07:45:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-07 07:45:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-07 07:45:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-07 07:45:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-07 07:45:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-07 07:45:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-07 07:45:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-07 07:45:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-07 07:45:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-07 07:45:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-07 07:45:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-07 07:45:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-07 07:45:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-07 07:45:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-07 07:45:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-07 07:45:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-07 07:45:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-07 07:45:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-10-07 07:45:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-07 07:45:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-07 07:45:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-07 07:45:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-07 07:45:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-07 07:45:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-07 07:45:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-07 07:45:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-10-07 07:45:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-10-07 07:45:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-10-07 07:45:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-10-07 07:45:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-10-07 07:45:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-10-07 07:45:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-10-07 07:45:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-10-07 07:45:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_cp_private [2019-10-07 07:45:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_cp_private [2019-10-07 07:45:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_cp_private [2019-10-07 07:45:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_cp_private [2019-10-07 07:45:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_cp_private [2019-10-07 07:45:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_cp_private [2019-10-07 07:45:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_res_counter [2019-10-07 07:45:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_res_counter [2019-10-07 07:45:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_res_counter [2019-10-07 07:45:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_res_counter [2019-10-07 07:45:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_res_counter [2019-10-07 07:45:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_res_counter [2019-10-07 07:45:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_res_counter [2019-10-07 07:45:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2019-10-07 07:45:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-07 07:45:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-07 07:45:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-07 07:45:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-07 07:45:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-07 07:45:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-07 07:45:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-07 07:45:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-07 07:45:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-07 07:45:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-07 07:45:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-07 07:45:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-07 07:45:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-07 07:45:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-07 07:45:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-07 07:45:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-07 07:45:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-10-07 07:45:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-10-07 07:45:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-10-07 07:45:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-10-07 07:45:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-10-07 07:45:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-10-07 07:45:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-10-07 07:45:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-10-07 07:45:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-07 07:45:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-07 07:45:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-07 07:45:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-07 07:45:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-07 07:45:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-07 07:45:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-07 07:45:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-07 07:45:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_sk_dst_lock_of_sock [2019-10-07 07:45:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2019-10-07 07:45:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2019-10-07 07:45:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2019-10-07 07:45:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2019-10-07 07:45:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2019-10-07 07:45:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2019-10-07 07:45:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2019-10-07 07:45:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2019-10-07 07:45:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-07 07:45:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-07 07:45:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-07 07:45:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-07 07:45:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-07 07:45:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-07 07:45:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-07 07:45:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-07 07:45:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-10-07 07:45:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 07:45:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 07:45:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 07:45:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-07 07:45:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-07 07:45:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 07:45:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 07:45:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 07:45:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 07:45:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 07:45:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 07:45:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 07:45:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 07:45:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 07:45:27,205 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-10-07 07:45:27,931 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 07:46:37,000 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 07:46:37,000 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 07:46:37,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 07:46:37 BoogieIcfgContainer [2019-10-07 07:46:37,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 07:46:37,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 07:46:37,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 07:46:37,007 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 07:46:37,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 07:45:16" (1/3) ... [2019-10-07 07:46:37,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783f1584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 07:46:37, skipping insertion in model container [2019-10-07 07:46:37,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:45:22" (2/3) ... [2019-10-07 07:46:37,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783f1584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 07:46:37, skipping insertion in model container [2019-10-07 07:46:37,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 07:46:37" (3/3) ... [2019-10-07 07:46:37,010 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2019-10-07 07:46:37,018 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 07:46:37,027 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-07 07:46:37,037 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-07 07:46:37,079 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 07:46:37,080 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 07:46:37,080 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 07:46:37,080 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 07:46:37,080 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 07:46:37,080 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 07:46:37,080 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 07:46:37,080 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 07:46:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states. [2019-10-07 07:46:37,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-07 07:46:37,162 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:46:37,163 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:37,165 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 07:46:37,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:46:37,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1209815352, now seen corresponding path program 1 times [2019-10-07 07:46:37,179 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:46:37,180 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:46:37,180 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:46:37,180 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:46:37,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:46:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:46:38,348 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2019-10-07 07:46:38,349 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:46:38,350 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:46:38,350 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:46:38,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:46:38,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:46:38,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:46:38,372 INFO L87 Difference]: Start difference. First operand 2921 states. Second operand 3 states. [2019-10-07 07:46:41,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:46:41,160 INFO L93 Difference]: Finished difference Result 7064 states and 9291 transitions. [2019-10-07 07:46:41,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:46:41,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-10-07 07:46:41,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:46:41,231 INFO L225 Difference]: With dead ends: 7064 [2019-10-07 07:46:41,231 INFO L226 Difference]: Without dead ends: 4678 [2019-10-07 07:46:41,256 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 07:46:41,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4678 states. [2019-10-07 07:46:41,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4678 to 4674. [2019-10-07 07:46:41,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4674 states. [2019-10-07 07:46:41,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4674 states to 4674 states and 5960 transitions. [2019-10-07 07:46:41,648 INFO L78 Accepts]: Start accepts. Automaton has 4674 states and 5960 transitions. Word has length 152 [2019-10-07 07:46:41,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:46:41,653 INFO L462 AbstractCegarLoop]: Abstraction has 4674 states and 5960 transitions. [2019-10-07 07:46:41,654 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:46:41,654 INFO L276 IsEmpty]: Start isEmpty. Operand 4674 states and 5960 transitions. [2019-10-07 07:46:41,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-07 07:46:41,663 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:46:41,664 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:41,664 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 07:46:41,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:46:41,665 INFO L82 PathProgramCache]: Analyzing trace with hash -544411442, now seen corresponding path program 1 times [2019-10-07 07:46:41,665 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:46:41,665 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:46:41,665 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:46:41,665 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:46:41,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:46:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:46:42,152 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2019-10-07 07:46:42,153 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:46:42,153 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:46:42,154 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:46:42,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:46:42,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:46:42,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:46:42,158 INFO L87 Difference]: Start difference. First operand 4674 states and 5960 transitions. Second operand 3 states. [2019-10-07 07:46:42,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:46:42,825 INFO L93 Difference]: Finished difference Result 12314 states and 15644 transitions. [2019-10-07 07:46:42,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:46:42,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-10-07 07:46:42,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:46:42,903 INFO L225 Difference]: With dead ends: 12314 [2019-10-07 07:46:42,903 INFO L226 Difference]: Without dead ends: 7692 [2019-10-07 07:46:42,928 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 07:46:42,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7692 states. [2019-10-07 07:46:43,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7692 to 7649. [2019-10-07 07:46:43,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7649 states. [2019-10-07 07:46:43,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7649 states to 7649 states and 9687 transitions. [2019-10-07 07:46:43,321 INFO L78 Accepts]: Start accepts. Automaton has 7649 states and 9687 transitions. Word has length 165 [2019-10-07 07:46:43,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:46:43,323 INFO L462 AbstractCegarLoop]: Abstraction has 7649 states and 9687 transitions. [2019-10-07 07:46:43,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:46:43,323 INFO L276 IsEmpty]: Start isEmpty. Operand 7649 states and 9687 transitions. [2019-10-07 07:46:43,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-07 07:46:43,328 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:46:43,328 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:43,328 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 07:46:43,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:46:43,329 INFO L82 PathProgramCache]: Analyzing trace with hash -545647657, now seen corresponding path program 1 times [2019-10-07 07:46:43,329 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:46:43,329 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:46:43,329 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:46:43,329 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:46:43,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:46:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:46:43,784 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2019-10-07 07:46:43,784 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:46:43,785 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:46:43,785 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:46:43,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:46:43,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:46:43,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:46:43,786 INFO L87 Difference]: Start difference. First operand 7649 states and 9687 transitions. Second operand 3 states. [2019-10-07 07:46:46,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:46:46,705 INFO L93 Difference]: Finished difference Result 22591 states and 28765 transitions. [2019-10-07 07:46:46,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:46:46,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-10-07 07:46:46,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:46:46,832 INFO L225 Difference]: With dead ends: 22591 [2019-10-07 07:46:46,832 INFO L226 Difference]: Without dead ends: 14994 [2019-10-07 07:46:46,874 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 07:46:46,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14994 states. [2019-10-07 07:46:48,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14994 to 14935. [2019-10-07 07:46:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14935 states. [2019-10-07 07:46:48,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14935 states to 14935 states and 19045 transitions. [2019-10-07 07:46:48,606 INFO L78 Accepts]: Start accepts. Automaton has 14935 states and 19045 transitions. Word has length 168 [2019-10-07 07:46:48,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:46:48,607 INFO L462 AbstractCegarLoop]: Abstraction has 14935 states and 19045 transitions. [2019-10-07 07:46:48,607 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:46:48,607 INFO L276 IsEmpty]: Start isEmpty. Operand 14935 states and 19045 transitions. [2019-10-07 07:46:48,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-07 07:46:48,611 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:46:48,611 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:48,612 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 07:46:48,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:46:48,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1782196977, now seen corresponding path program 1 times [2019-10-07 07:46:48,612 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:46:48,612 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:46:48,613 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:46:48,613 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:46:48,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:46:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:46:49,043 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2019-10-07 07:46:49,043 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:46:49,044 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:46:49,044 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 07:46:49,045 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 07:46:49,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 07:46:49,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-10-07 07:46:49,045 INFO L87 Difference]: Start difference. First operand 14935 states and 19045 transitions. Second operand 6 states. [2019-10-07 07:46:58,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:46:58,329 INFO L93 Difference]: Finished difference Result 35703 states and 45580 transitions. [2019-10-07 07:46:58,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 07:46:58,330 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2019-10-07 07:46:58,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:46:58,442 INFO L225 Difference]: With dead ends: 35703 [2019-10-07 07:46:58,442 INFO L226 Difference]: Without dead ends: 20820 [2019-10-07 07:46:58,503 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 07:46:58,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20820 states. [2019-10-07 07:46:59,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20820 to 20696. [2019-10-07 07:46:59,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20696 states. [2019-10-07 07:46:59,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20696 states to 20696 states and 26267 transitions. [2019-10-07 07:46:59,408 INFO L78 Accepts]: Start accepts. Automaton has 20696 states and 26267 transitions. Word has length 168 [2019-10-07 07:46:59,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:46:59,413 INFO L462 AbstractCegarLoop]: Abstraction has 20696 states and 26267 transitions. [2019-10-07 07:46:59,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 07:46:59,414 INFO L276 IsEmpty]: Start isEmpty. Operand 20696 states and 26267 transitions. [2019-10-07 07:46:59,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-07 07:46:59,416 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:46:59,417 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:59,417 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 07:46:59,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:46:59,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1689089664, now seen corresponding path program 1 times [2019-10-07 07:46:59,417 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:46:59,418 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:46:59,418 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:46:59,418 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:46:59,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:46:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:46:59,797 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2019-10-07 07:46:59,797 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:46:59,797 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:46:59,798 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:46:59,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:46:59,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:46:59,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:46:59,800 INFO L87 Difference]: Start difference. First operand 20696 states and 26267 transitions. Second operand 3 states. [2019-10-07 07:47:01,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:47:01,020 INFO L93 Difference]: Finished difference Result 42013 states and 53225 transitions. [2019-10-07 07:47:01,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:47:01,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-10-07 07:47:01,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:47:01,113 INFO L225 Difference]: With dead ends: 42013 [2019-10-07 07:47:01,113 INFO L226 Difference]: Without dead ends: 21369 [2019-10-07 07:47:01,177 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 07:47:01,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21369 states. [2019-10-07 07:47:01,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21369 to 21326. [2019-10-07 07:47:01,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21326 states. [2019-10-07 07:47:02,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21326 states to 21326 states and 26949 transitions. [2019-10-07 07:47:02,025 INFO L78 Accepts]: Start accepts. Automaton has 21326 states and 26949 transitions. Word has length 170 [2019-10-07 07:47:02,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:47:02,027 INFO L462 AbstractCegarLoop]: Abstraction has 21326 states and 26949 transitions. [2019-10-07 07:47:02,027 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:47:02,027 INFO L276 IsEmpty]: Start isEmpty. Operand 21326 states and 26949 transitions. [2019-10-07 07:47:02,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-07 07:47:02,031 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:47:02,031 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:47:02,031 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 07:47:02,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:47:02,032 INFO L82 PathProgramCache]: Analyzing trace with hash -2074285425, now seen corresponding path program 1 times [2019-10-07 07:47:02,032 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:47:02,032 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:02,032 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:02,033 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:02,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:47:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:47:02,377 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2019-10-07 07:47:02,378 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:02,378 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:47:02,378 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:47:02,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:47:02,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:47:02,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:47:02,379 INFO L87 Difference]: Start difference. First operand 21326 states and 26949 transitions. Second operand 3 states. [2019-10-07 07:47:03,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:47:03,328 INFO L93 Difference]: Finished difference Result 42939 states and 54211 transitions. [2019-10-07 07:47:03,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:47:03,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-10-07 07:47:03,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:47:03,448 INFO L225 Difference]: With dead ends: 42939 [2019-10-07 07:47:03,449 INFO L226 Difference]: Without dead ends: 21665 [2019-10-07 07:47:04,869 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 07:47:04,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21665 states. [2019-10-07 07:47:05,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21665 to 21622. [2019-10-07 07:47:05,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21622 states. [2019-10-07 07:47:05,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21622 states to 21622 states and 27253 transitions. [2019-10-07 07:47:05,842 INFO L78 Accepts]: Start accepts. Automaton has 21622 states and 27253 transitions. Word has length 172 [2019-10-07 07:47:05,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:47:05,843 INFO L462 AbstractCegarLoop]: Abstraction has 21622 states and 27253 transitions. [2019-10-07 07:47:05,843 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:47:05,843 INFO L276 IsEmpty]: Start isEmpty. Operand 21622 states and 27253 transitions. [2019-10-07 07:47:05,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-07 07:47:05,851 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:47:05,851 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:47:05,852 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 07:47:05,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:47:05,852 INFO L82 PathProgramCache]: Analyzing trace with hash 19531523, now seen corresponding path program 1 times [2019-10-07 07:47:05,853 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:47:05,853 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:05,853 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:05,854 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:05,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:47:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:47:06,230 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2019-10-07 07:47:06,231 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:06,231 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:47:06,231 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:47:06,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:47:06,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:47:06,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:47:06,233 INFO L87 Difference]: Start difference. First operand 21622 states and 27253 transitions. Second operand 3 states. [2019-10-07 07:47:07,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:47:07,331 INFO L93 Difference]: Finished difference Result 43547 states and 54827 transitions. [2019-10-07 07:47:07,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:47:07,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2019-10-07 07:47:07,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:47:07,437 INFO L225 Difference]: With dead ends: 43547 [2019-10-07 07:47:07,438 INFO L226 Difference]: Without dead ends: 21977 [2019-10-07 07:47:07,497 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 07:47:07,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21977 states. [2019-10-07 07:47:08,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21977 to 21934. [2019-10-07 07:47:08,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21934 states. [2019-10-07 07:47:08,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21934 states to 21934 states and 27565 transitions. [2019-10-07 07:47:08,694 INFO L78 Accepts]: Start accepts. Automaton has 21934 states and 27565 transitions. Word has length 175 [2019-10-07 07:47:08,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:47:08,696 INFO L462 AbstractCegarLoop]: Abstraction has 21934 states and 27565 transitions. [2019-10-07 07:47:08,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:47:08,696 INFO L276 IsEmpty]: Start isEmpty. Operand 21934 states and 27565 transitions. [2019-10-07 07:47:08,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-07 07:47:08,699 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:47:08,700 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:47:08,700 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 07:47:08,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:47:08,700 INFO L82 PathProgramCache]: Analyzing trace with hash -666562653, now seen corresponding path program 1 times [2019-10-07 07:47:08,701 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:47:08,701 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:08,701 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:08,701 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:08,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:47:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:47:09,041 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2019-10-07 07:47:09,041 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:09,043 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:47:09,043 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:47:09,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:47:09,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:47:09,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:47:09,044 INFO L87 Difference]: Start difference. First operand 21934 states and 27565 transitions. Second operand 3 states. [2019-10-07 07:47:09,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:47:09,942 INFO L93 Difference]: Finished difference Result 44635 states and 56027 transitions. [2019-10-07 07:47:09,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:47:09,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-10-07 07:47:09,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:47:10,055 INFO L225 Difference]: With dead ends: 44635 [2019-10-07 07:47:10,056 INFO L226 Difference]: Without dead ends: 22753 [2019-10-07 07:47:10,111 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 07:47:10,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22753 states. [2019-10-07 07:47:11,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22753 to 22710. [2019-10-07 07:47:11,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22710 states. [2019-10-07 07:47:11,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22710 states to 22710 states and 28453 transitions. [2019-10-07 07:47:11,379 INFO L78 Accepts]: Start accepts. Automaton has 22710 states and 28453 transitions. Word has length 181 [2019-10-07 07:47:11,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:47:11,380 INFO L462 AbstractCegarLoop]: Abstraction has 22710 states and 28453 transitions. [2019-10-07 07:47:11,380 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:47:11,380 INFO L276 IsEmpty]: Start isEmpty. Operand 22710 states and 28453 transitions. [2019-10-07 07:47:11,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-07 07:47:11,390 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:47:11,390 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:47:11,390 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 07:47:11,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:47:11,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1311971248, now seen corresponding path program 1 times [2019-10-07 07:47:11,391 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:47:11,391 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:11,391 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:11,391 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:11,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:47:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:47:11,738 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2019-10-07 07:47:11,738 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:11,738 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:47:11,739 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:47:11,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:47:11,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:47:11,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:47:11,740 INFO L87 Difference]: Start difference. First operand 22710 states and 28453 transitions. Second operand 3 states. [2019-10-07 07:47:12,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:47:12,779 INFO L93 Difference]: Finished difference Result 45787 states and 57275 transitions. [2019-10-07 07:47:12,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:47:12,779 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2019-10-07 07:47:12,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:47:12,873 INFO L225 Difference]: With dead ends: 45787 [2019-10-07 07:47:12,873 INFO L226 Difference]: Without dead ends: 23129 [2019-10-07 07:47:12,932 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 07:47:12,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23129 states. [2019-10-07 07:47:13,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23129 to 23086. [2019-10-07 07:47:13,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23086 states. [2019-10-07 07:47:14,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23086 states to 23086 states and 28813 transitions. [2019-10-07 07:47:14,051 INFO L78 Accepts]: Start accepts. Automaton has 23086 states and 28813 transitions. Word has length 178 [2019-10-07 07:47:14,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:47:14,052 INFO L462 AbstractCegarLoop]: Abstraction has 23086 states and 28813 transitions. [2019-10-07 07:47:14,052 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:47:14,052 INFO L276 IsEmpty]: Start isEmpty. Operand 23086 states and 28813 transitions. [2019-10-07 07:47:14,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-07 07:47:14,056 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:47:14,056 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:47:14,056 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 07:47:14,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:47:14,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1474251211, now seen corresponding path program 1 times [2019-10-07 07:47:14,057 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:47:14,057 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:14,057 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:14,057 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:14,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:47:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:47:14,359 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2019-10-07 07:47:14,359 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:14,360 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:47:14,361 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:47:14,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:47:14,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:47:14,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:47:14,366 INFO L87 Difference]: Start difference. First operand 23086 states and 28813 transitions. Second operand 3 states. [2019-10-07 07:47:15,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:47:15,281 INFO L93 Difference]: Finished difference Result 46483 states and 57939 transitions. [2019-10-07 07:47:15,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:47:15,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-10-07 07:47:15,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:47:15,373 INFO L225 Difference]: With dead ends: 46483 [2019-10-07 07:47:15,374 INFO L226 Difference]: Without dead ends: 23449 [2019-10-07 07:47:15,449 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 07:47:15,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23449 states. [2019-10-07 07:47:16,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23449 to 23406. [2019-10-07 07:47:16,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23406 states. [2019-10-07 07:47:16,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23406 states to 23406 states and 29117 transitions. [2019-10-07 07:47:16,662 INFO L78 Accepts]: Start accepts. Automaton has 23406 states and 29117 transitions. Word has length 181 [2019-10-07 07:47:16,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:47:16,662 INFO L462 AbstractCegarLoop]: Abstraction has 23406 states and 29117 transitions. [2019-10-07 07:47:16,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:47:16,663 INFO L276 IsEmpty]: Start isEmpty. Operand 23406 states and 29117 transitions. [2019-10-07 07:47:16,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-10-07 07:47:16,666 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:47:16,666 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:47:16,666 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 07:47:16,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:47:16,667 INFO L82 PathProgramCache]: Analyzing trace with hash -864578807, now seen corresponding path program 1 times [2019-10-07 07:47:16,667 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:47:16,667 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:16,667 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:16,667 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:16,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:47:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:47:16,995 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2019-10-07 07:47:16,995 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:16,995 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:47:16,995 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:47:16,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:47:16,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:47:16,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:47:16,996 INFO L87 Difference]: Start difference. First operand 23406 states and 29117 transitions. Second operand 3 states. [2019-10-07 07:47:17,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:47:17,899 INFO L93 Difference]: Finished difference Result 47317 states and 58803 transitions. [2019-10-07 07:47:17,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:47:17,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2019-10-07 07:47:17,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:47:17,974 INFO L225 Difference]: With dead ends: 47317 [2019-10-07 07:47:17,974 INFO L226 Difference]: Without dead ends: 23963 [2019-10-07 07:47:18,020 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 07:47:18,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23963 states. [2019-10-07 07:47:19,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23963 to 23920. [2019-10-07 07:47:19,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23920 states. [2019-10-07 07:47:19,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23920 states to 23920 states and 29677 transitions. [2019-10-07 07:47:19,136 INFO L78 Accepts]: Start accepts. Automaton has 23920 states and 29677 transitions. Word has length 182 [2019-10-07 07:47:19,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:47:19,136 INFO L462 AbstractCegarLoop]: Abstraction has 23920 states and 29677 transitions. [2019-10-07 07:47:19,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:47:19,137 INFO L276 IsEmpty]: Start isEmpty. Operand 23920 states and 29677 transitions. [2019-10-07 07:47:19,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-07 07:47:19,145 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:47:19,146 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:47:19,146 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 07:47:19,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:47:19,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1568193756, now seen corresponding path program 1 times [2019-10-07 07:47:19,147 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:47:19,147 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:19,147 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:19,147 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:19,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:47:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:47:19,492 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2019-10-07 07:47:19,492 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:19,492 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:47:19,492 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:47:19,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:47:19,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:47:19,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:47:19,493 INFO L87 Difference]: Start difference. First operand 23920 states and 29677 transitions. Second operand 3 states. [2019-10-07 07:47:20,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:47:20,478 INFO L93 Difference]: Finished difference Result 48871 states and 60427 transitions. [2019-10-07 07:47:20,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:47:20,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2019-10-07 07:47:20,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:47:20,551 INFO L225 Difference]: With dead ends: 48871 [2019-10-07 07:47:20,552 INFO L226 Difference]: Without dead ends: 25003 [2019-10-07 07:47:20,593 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 07:47:20,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25003 states. [2019-10-07 07:47:21,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25003 to 24960. [2019-10-07 07:47:21,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24960 states. [2019-10-07 07:47:21,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24960 states to 24960 states and 30741 transitions. [2019-10-07 07:47:21,738 INFO L78 Accepts]: Start accepts. Automaton has 24960 states and 30741 transitions. Word has length 183 [2019-10-07 07:47:21,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:47:21,738 INFO L462 AbstractCegarLoop]: Abstraction has 24960 states and 30741 transitions. [2019-10-07 07:47:21,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:47:21,739 INFO L276 IsEmpty]: Start isEmpty. Operand 24960 states and 30741 transitions. [2019-10-07 07:47:21,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-07 07:47:21,740 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:47:21,741 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:47:21,741 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 07:47:21,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:47:21,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1328600630, now seen corresponding path program 1 times [2019-10-07 07:47:21,741 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:47:21,741 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:21,741 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:21,742 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:21,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:47:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:47:22,053 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2019-10-07 07:47:22,053 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:22,054 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:47:22,054 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:47:22,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:47:22,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:47:22,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:47:22,056 INFO L87 Difference]: Start difference. First operand 24960 states and 30741 transitions. Second operand 3 states. [2019-10-07 07:47:23,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:47:23,087 INFO L93 Difference]: Finished difference Result 50231 states and 61787 transitions. [2019-10-07 07:47:23,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:47:23,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2019-10-07 07:47:23,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:47:23,155 INFO L225 Difference]: With dead ends: 50231 [2019-10-07 07:47:23,156 INFO L226 Difference]: Without dead ends: 25323 [2019-10-07 07:47:23,197 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 07:47:23,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25323 states. [2019-10-07 07:47:24,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25323 to 25280. [2019-10-07 07:47:24,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25280 states. [2019-10-07 07:47:24,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25280 states to 25280 states and 31037 transitions. [2019-10-07 07:47:24,308 INFO L78 Accepts]: Start accepts. Automaton has 25280 states and 31037 transitions. Word has length 186 [2019-10-07 07:47:24,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:47:24,308 INFO L462 AbstractCegarLoop]: Abstraction has 25280 states and 31037 transitions. [2019-10-07 07:47:24,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:47:24,308 INFO L276 IsEmpty]: Start isEmpty. Operand 25280 states and 31037 transitions. [2019-10-07 07:47:24,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-07 07:47:24,311 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:47:24,311 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:47:24,311 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 07:47:24,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:47:24,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1021573162, now seen corresponding path program 1 times [2019-10-07 07:47:24,311 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:47:24,311 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:24,312 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:24,312 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:24,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:47:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:47:24,641 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 686 trivial. 0 not checked. [2019-10-07 07:47:24,641 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:24,641 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:47:24,641 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 07:47:24,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 07:47:24,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 07:47:24,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:47:24,643 INFO L87 Difference]: Start difference. First operand 25280 states and 31037 transitions. Second operand 8 states. [2019-10-07 07:47:55,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:47:55,897 INFO L93 Difference]: Finished difference Result 61472 states and 75992 transitions. [2019-10-07 07:47:55,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 07:47:55,897 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 188 [2019-10-07 07:47:55,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:47:55,992 INFO L225 Difference]: With dead ends: 61472 [2019-10-07 07:47:55,992 INFO L226 Difference]: Without dead ends: 36244 [2019-10-07 07:47:56,038 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-10-07 07:47:56,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36244 states. [2019-10-07 07:47:57,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36244 to 36126. [2019-10-07 07:47:57,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36126 states. [2019-10-07 07:47:58,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36126 states to 36126 states and 44788 transitions. [2019-10-07 07:47:58,040 INFO L78 Accepts]: Start accepts. Automaton has 36126 states and 44788 transitions. Word has length 188 [2019-10-07 07:47:58,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:47:58,041 INFO L462 AbstractCegarLoop]: Abstraction has 36126 states and 44788 transitions. [2019-10-07 07:47:58,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 07:47:58,041 INFO L276 IsEmpty]: Start isEmpty. Operand 36126 states and 44788 transitions. [2019-10-07 07:47:58,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-07 07:47:58,043 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:47:58,043 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:47:58,044 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 07:47:58,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:47:58,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1598035340, now seen corresponding path program 1 times [2019-10-07 07:47:58,044 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:47:58,045 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:58,045 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:58,045 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:58,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:47:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:47:58,365 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2019-10-07 07:47:58,365 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:58,365 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:47:58,366 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:47:58,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:47:58,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:47:58,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:47:58,367 INFO L87 Difference]: Start difference. First operand 36126 states and 44788 transitions. Second operand 3 states. [2019-10-07 07:48:01,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:48:01,810 INFO L93 Difference]: Finished difference Result 72563 states and 89953 transitions. [2019-10-07 07:48:01,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:48:01,811 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-07 07:48:01,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:48:01,899 INFO L225 Difference]: With dead ends: 72563 [2019-10-07 07:48:01,899 INFO L226 Difference]: Without dead ends: 36489 [2019-10-07 07:48:01,946 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 07:48:01,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36489 states. [2019-10-07 07:48:03,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36489 to 36446. [2019-10-07 07:48:03,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36446 states. [2019-10-07 07:48:03,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36446 states to 36446 states and 45132 transitions. [2019-10-07 07:48:03,272 INFO L78 Accepts]: Start accepts. Automaton has 36446 states and 45132 transitions. Word has length 189 [2019-10-07 07:48:03,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:48:03,272 INFO L462 AbstractCegarLoop]: Abstraction has 36446 states and 45132 transitions. [2019-10-07 07:48:03,272 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:48:03,272 INFO L276 IsEmpty]: Start isEmpty. Operand 36446 states and 45132 transitions. [2019-10-07 07:48:03,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-07 07:48:03,275 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:48:03,275 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:48:03,276 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 07:48:03,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:48:03,276 INFO L82 PathProgramCache]: Analyzing trace with hash -341360938, now seen corresponding path program 1 times [2019-10-07 07:48:03,276 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:48:03,276 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:48:03,277 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:48:03,277 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:48:03,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:48:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:48:03,597 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 682 trivial. 0 not checked. [2019-10-07 07:48:03,597 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:48:03,599 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:48:03,599 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:48:03,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:48:03,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:48:03,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:48:03,601 INFO L87 Difference]: Start difference. First operand 36446 states and 45132 transitions. Second operand 3 states. [2019-10-07 07:48:05,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:48:05,557 INFO L93 Difference]: Finished difference Result 74460 states and 92071 transitions. [2019-10-07 07:48:05,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:48:05,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-10-07 07:48:05,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:48:05,672 INFO L225 Difference]: With dead ends: 74460 [2019-10-07 07:48:05,672 INFO L226 Difference]: Without dead ends: 38066 [2019-10-07 07:48:05,741 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 07:48:05,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38066 states. [2019-10-07 07:48:07,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38066 to 38023. [2019-10-07 07:48:07,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38023 states. [2019-10-07 07:48:07,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38023 states to 38023 states and 46906 transitions. [2019-10-07 07:48:07,187 INFO L78 Accepts]: Start accepts. Automaton has 38023 states and 46906 transitions. Word has length 193 [2019-10-07 07:48:07,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:48:07,188 INFO L462 AbstractCegarLoop]: Abstraction has 38023 states and 46906 transitions. [2019-10-07 07:48:07,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:48:07,188 INFO L276 IsEmpty]: Start isEmpty. Operand 38023 states and 46906 transitions. [2019-10-07 07:48:07,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-10-07 07:48:07,191 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:48:07,191 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:07,191 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 07:48:07,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:48:07,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1407667665, now seen corresponding path program 1 times [2019-10-07 07:48:07,192 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:48:07,192 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:48:07,192 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:48:07,193 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:48:07,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:48:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:48:07,937 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2019-10-07 07:48:07,938 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:48:07,938 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:48:07,938 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:48:07,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:48:07,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:48:07,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:48:07,939 INFO L87 Difference]: Start difference. First operand 38023 states and 46906 transitions. Second operand 3 states. [2019-10-07 07:48:09,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:48:09,676 INFO L93 Difference]: Finished difference Result 76349 states and 94125 transitions. [2019-10-07 07:48:09,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:48:09,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2019-10-07 07:48:09,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:48:09,786 INFO L225 Difference]: With dead ends: 76349 [2019-10-07 07:48:09,786 INFO L226 Difference]: Without dead ends: 38378 [2019-10-07 07:48:09,849 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 07:48:09,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38378 states. [2019-10-07 07:48:13,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38378 to 38335. [2019-10-07 07:48:13,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38335 states. [2019-10-07 07:48:13,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38335 states to 38335 states and 47186 transitions. [2019-10-07 07:48:13,316 INFO L78 Accepts]: Start accepts. Automaton has 38335 states and 47186 transitions. Word has length 190 [2019-10-07 07:48:13,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:48:13,317 INFO L462 AbstractCegarLoop]: Abstraction has 38335 states and 47186 transitions. [2019-10-07 07:48:13,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:48:13,317 INFO L276 IsEmpty]: Start isEmpty. Operand 38335 states and 47186 transitions. [2019-10-07 07:48:13,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-10-07 07:48:13,320 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:48:13,320 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:13,320 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 07:48:13,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:48:13,321 INFO L82 PathProgramCache]: Analyzing trace with hash -79372110, now seen corresponding path program 1 times [2019-10-07 07:48:13,321 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:48:13,321 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:48:13,321 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:48:13,322 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:48:13,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:48:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:48:13,627 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2019-10-07 07:48:13,628 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:48:13,628 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:48:13,628 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:48:13,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:48:13,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:48:13,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:48:13,629 INFO L87 Difference]: Start difference. First operand 38335 states and 47186 transitions. Second operand 3 states. [2019-10-07 07:48:15,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:48:15,714 INFO L93 Difference]: Finished difference Result 77101 states and 94805 transitions. [2019-10-07 07:48:15,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:48:15,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2019-10-07 07:48:15,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:48:15,806 INFO L225 Difference]: With dead ends: 77101 [2019-10-07 07:48:15,807 INFO L226 Difference]: Without dead ends: 38818 [2019-10-07 07:48:15,858 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 07:48:15,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38818 states. [2019-10-07 07:48:17,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38818 to 38775. [2019-10-07 07:48:17,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38775 states. [2019-10-07 07:48:17,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38775 states to 38775 states and 47586 transitions. [2019-10-07 07:48:17,422 INFO L78 Accepts]: Start accepts. Automaton has 38775 states and 47586 transitions. Word has length 198 [2019-10-07 07:48:17,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:48:17,422 INFO L462 AbstractCegarLoop]: Abstraction has 38775 states and 47586 transitions. [2019-10-07 07:48:17,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:48:17,422 INFO L276 IsEmpty]: Start isEmpty. Operand 38775 states and 47586 transitions. [2019-10-07 07:48:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-10-07 07:48:17,426 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:48:17,426 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:48:17,427 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 07:48:17,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:48:17,427 INFO L82 PathProgramCache]: Analyzing trace with hash 55008503, now seen corresponding path program 1 times [2019-10-07 07:48:17,427 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:48:17,428 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:48:17,428 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:48:17,428 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:48:17,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:48:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:48:17,742 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 686 trivial. 0 not checked. [2019-10-07 07:48:17,742 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:48:17,742 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:48:17,743 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:48:17,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:48:17,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:48:17,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:48:17,746 INFO L87 Difference]: Start difference. First operand 38775 states and 47586 transitions. Second operand 3 states. [2019-10-07 07:48:19,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:48:19,931 INFO L93 Difference]: Finished difference Result 79619 states and 97577 transitions. [2019-10-07 07:48:19,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:48:19,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2019-10-07 07:48:19,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:48:20,045 INFO L225 Difference]: With dead ends: 79619 [2019-10-07 07:48:20,045 INFO L226 Difference]: Without dead ends: 40896 [2019-10-07 07:48:20,107 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 07:48:20,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40896 states. [2019-10-07 07:48:22,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40896 to 40853. [2019-10-07 07:48:22,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40853 states. [2019-10-07 07:48:22,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40853 states to 40853 states and 49958 transitions. [2019-10-07 07:48:22,190 INFO L78 Accepts]: Start accepts. Automaton has 40853 states and 49958 transitions. Word has length 200 [2019-10-07 07:48:22,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:48:22,191 INFO L462 AbstractCegarLoop]: Abstraction has 40853 states and 49958 transitions. [2019-10-07 07:48:22,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:48:22,191 INFO L276 IsEmpty]: Start isEmpty. Operand 40853 states and 49958 transitions. [2019-10-07 07:48:22,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-07 07:48:22,194 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:48:22,194 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:48:22,195 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 07:48:22,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:48:22,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1037016187, now seen corresponding path program 1 times [2019-10-07 07:48:22,195 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:48:22,195 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:48:22,196 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:48:22,196 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:48:22,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:48:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:48:22,504 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2019-10-07 07:48:22,504 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:48:22,505 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:48:22,505 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:48:22,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:48:22,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:48:22,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:48:22,508 INFO L87 Difference]: Start difference. First operand 40853 states and 49958 transitions. Second operand 3 states. [2019-10-07 07:48:26,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:48:26,596 INFO L93 Difference]: Finished difference Result 82107 states and 100361 transitions. [2019-10-07 07:48:26,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:48:26,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2019-10-07 07:48:26,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:48:26,697 INFO L225 Difference]: With dead ends: 82107 [2019-10-07 07:48:26,697 INFO L226 Difference]: Without dead ends: 41306 [2019-10-07 07:48:26,752 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 07:48:26,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41306 states. [2019-10-07 07:48:28,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41306 to 41263. [2019-10-07 07:48:28,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41263 states. [2019-10-07 07:48:28,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41263 states to 41263 states and 50370 transitions. [2019-10-07 07:48:28,747 INFO L78 Accepts]: Start accepts. Automaton has 41263 states and 50370 transitions. Word has length 205 [2019-10-07 07:48:28,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:48:28,748 INFO L462 AbstractCegarLoop]: Abstraction has 41263 states and 50370 transitions. [2019-10-07 07:48:28,748 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:48:28,748 INFO L276 IsEmpty]: Start isEmpty. Operand 41263 states and 50370 transitions. [2019-10-07 07:48:28,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-10-07 07:48:28,751 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:48:28,751 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:48:28,751 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 07:48:28,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:48:28,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1718619493, now seen corresponding path program 1 times [2019-10-07 07:48:28,752 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:48:28,752 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:48:28,752 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:48:28,752 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:48:28,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:48:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:48:29,060 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2019-10-07 07:48:29,060 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:48:29,060 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:48:29,061 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:48:29,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:48:29,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:48:29,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:48:29,062 INFO L87 Difference]: Start difference. First operand 41263 states and 50370 transitions. Second operand 5 states. [2019-10-07 07:48:30,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:48:30,591 INFO L93 Difference]: Finished difference Result 41269 states and 50375 transitions. [2019-10-07 07:48:30,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:48:30,591 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 216 [2019-10-07 07:48:30,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:48:30,692 INFO L225 Difference]: With dead ends: 41269 [2019-10-07 07:48:30,692 INFO L226 Difference]: Without dead ends: 41267 [2019-10-07 07:48:30,710 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:48:30,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41267 states. [2019-10-07 07:48:32,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41267 to 41267. [2019-10-07 07:48:32,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41267 states. [2019-10-07 07:48:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41267 states to 41267 states and 50373 transitions. [2019-10-07 07:48:32,888 INFO L78 Accepts]: Start accepts. Automaton has 41267 states and 50373 transitions. Word has length 216 [2019-10-07 07:48:32,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:48:32,888 INFO L462 AbstractCegarLoop]: Abstraction has 41267 states and 50373 transitions. [2019-10-07 07:48:32,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:48:32,888 INFO L276 IsEmpty]: Start isEmpty. Operand 41267 states and 50373 transitions. [2019-10-07 07:48:32,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-10-07 07:48:32,891 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:48:32,892 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:48:32,892 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 07:48:32,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:48:32,892 INFO L82 PathProgramCache]: Analyzing trace with hash 413505117, now seen corresponding path program 1 times [2019-10-07 07:48:32,893 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:48:32,893 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:48:32,893 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:48:32,893 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:48:32,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:48:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:48:33,242 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 682 trivial. 0 not checked. [2019-10-07 07:48:33,243 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:48:33,243 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:48:33,243 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:48:33,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:48:33,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:48:33,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:48:33,244 INFO L87 Difference]: Start difference. First operand 41267 states and 50373 transitions. Second operand 3 states. [2019-10-07 07:48:35,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:48:35,713 INFO L93 Difference]: Finished difference Result 84454 states and 102970 transitions. [2019-10-07 07:48:35,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:48:35,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2019-10-07 07:48:35,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:48:35,835 INFO L225 Difference]: With dead ends: 84454 [2019-10-07 07:48:35,836 INFO L226 Difference]: Without dead ends: 43239 [2019-10-07 07:48:35,897 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 07:48:35,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43239 states. [2019-10-07 07:48:40,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43239 to 43192. [2019-10-07 07:48:40,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43192 states. [2019-10-07 07:48:40,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43192 states to 43192 states and 52537 transitions. [2019-10-07 07:48:40,140 INFO L78 Accepts]: Start accepts. Automaton has 43192 states and 52537 transitions. Word has length 216 [2019-10-07 07:48:40,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:48:40,141 INFO L462 AbstractCegarLoop]: Abstraction has 43192 states and 52537 transitions. [2019-10-07 07:48:40,141 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:48:40,141 INFO L276 IsEmpty]: Start isEmpty. Operand 43192 states and 52537 transitions. [2019-10-07 07:48:40,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-10-07 07:48:40,144 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:48:40,144 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:48:40,144 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 07:48:40,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:48:40,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1103659506, now seen corresponding path program 1 times [2019-10-07 07:48:40,145 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:48:40,145 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:48:40,145 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:48:40,145 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:48:40,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:48:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:48:40,458 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-10-07 07:48:40,459 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:48:40,459 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 07:48:40,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:48:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:48:41,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 4582 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 07:48:41,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 07:48:42,158 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2019-10-07 07:48:42,158 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 07:48:42,695 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2019-10-07 07:48:42,695 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 07:48:42,696 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10 [2019-10-07 07:48:42,698 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:48:42,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:48:42,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-07 07:48:42,698 INFO L87 Difference]: Start difference. First operand 43192 states and 52537 transitions. Second operand 5 states. [2019-10-07 07:49:05,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:49:05,947 INFO L93 Difference]: Finished difference Result 84533 states and 103121 transitions. [2019-10-07 07:49:05,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:49:05,949 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 216 [2019-10-07 07:49:05,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:49:06,189 INFO L225 Difference]: With dead ends: 84533 [2019-10-07 07:49:06,190 INFO L226 Difference]: Without dead ends: 41393 [2019-10-07 07:49:06,324 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 428 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2019-10-07 07:49:06,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41393 states. [2019-10-07 07:49:09,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41393 to 41346. [2019-10-07 07:49:09,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41346 states. [2019-10-07 07:49:09,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41346 states to 41346 states and 50439 transitions. [2019-10-07 07:49:09,427 INFO L78 Accepts]: Start accepts. Automaton has 41346 states and 50439 transitions. Word has length 216 [2019-10-07 07:49:09,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:49:09,428 INFO L462 AbstractCegarLoop]: Abstraction has 41346 states and 50439 transitions. [2019-10-07 07:49:09,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:49:09,428 INFO L276 IsEmpty]: Start isEmpty. Operand 41346 states and 50439 transitions. [2019-10-07 07:49:09,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-10-07 07:49:09,431 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:49:09,431 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:49:09,645 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:49:09,646 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 07:49:09,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:49:09,646 INFO L82 PathProgramCache]: Analyzing trace with hash -2042799079, now seen corresponding path program 1 times [2019-10-07 07:49:09,647 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:49:09,647 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:49:09,647 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:49:09,647 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:49:09,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:49:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:49:10,095 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2019-10-07 07:49:10,096 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:49:10,096 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:49:10,096 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:49:10,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:49:10,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:49:10,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:49:10,098 INFO L87 Difference]: Start difference. First operand 41346 states and 50439 transitions. Second operand 5 states. [2019-10-07 07:49:12,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:49:12,708 INFO L93 Difference]: Finished difference Result 41352 states and 50444 transitions. [2019-10-07 07:49:12,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:49:12,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 221 [2019-10-07 07:49:12,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:49:12,861 INFO L225 Difference]: With dead ends: 41352 [2019-10-07 07:49:12,862 INFO L226 Difference]: Without dead ends: 41350 [2019-10-07 07:49:12,883 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 07:49:12,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41350 states. [2019-10-07 07:49:15,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41350 to 41350. [2019-10-07 07:49:15,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41350 states. [2019-10-07 07:49:16,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41350 states to 41350 states and 50442 transitions. [2019-10-07 07:49:16,074 INFO L78 Accepts]: Start accepts. Automaton has 41350 states and 50442 transitions. Word has length 221 [2019-10-07 07:49:16,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:49:16,075 INFO L462 AbstractCegarLoop]: Abstraction has 41350 states and 50442 transitions. [2019-10-07 07:49:16,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:49:16,075 INFO L276 IsEmpty]: Start isEmpty. Operand 41350 states and 50442 transitions. [2019-10-07 07:49:16,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-07 07:49:16,077 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:49:16,077 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:49:16,077 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 07:49:16,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:49:16,078 INFO L82 PathProgramCache]: Analyzing trace with hash -2119612133, now seen corresponding path program 1 times [2019-10-07 07:49:16,078 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:49:16,078 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:49:16,078 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:49:16,078 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:49:16,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:49:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:49:16,394 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 718 trivial. 0 not checked. [2019-10-07 07:49:16,395 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:49:16,395 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:49:16,395 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:49:16,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:49:16,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:49:16,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:49:16,396 INFO L87 Difference]: Start difference. First operand 41350 states and 50442 transitions. Second operand 5 states. [2019-10-07 07:49:18,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:49:18,304 INFO L93 Difference]: Finished difference Result 41356 states and 50447 transitions. [2019-10-07 07:49:18,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:49:18,305 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2019-10-07 07:49:18,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:49:18,410 INFO L225 Difference]: With dead ends: 41356 [2019-10-07 07:49:18,410 INFO L226 Difference]: Without dead ends: 41354 [2019-10-07 07:49:18,428 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 07:49:18,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41354 states. [2019-10-07 07:49:22,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41354 to 41354. [2019-10-07 07:49:22,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41354 states. [2019-10-07 07:49:22,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41354 states to 41354 states and 50445 transitions. [2019-10-07 07:49:22,597 INFO L78 Accepts]: Start accepts. Automaton has 41354 states and 50445 transitions. Word has length 226 [2019-10-07 07:49:22,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:49:22,597 INFO L462 AbstractCegarLoop]: Abstraction has 41354 states and 50445 transitions. [2019-10-07 07:49:22,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:49:22,598 INFO L276 IsEmpty]: Start isEmpty. Operand 41354 states and 50445 transitions. [2019-10-07 07:49:22,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-10-07 07:49:22,599 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:49:22,600 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:49:22,600 INFO L410 AbstractCegarLoop]: === Iteration 26 === [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 07:49:22,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:49:22,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1630553369, now seen corresponding path program 1 times [2019-10-07 07:49:22,600 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:49:22,601 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:49:22,601 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:49:22,601 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:49:22,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:49:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:49:23,239 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2019-10-07 07:49:23,239 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:49:23,240 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:49:23,240 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:49:23,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:49:23,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:49:23,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:49:23,241 INFO L87 Difference]: Start difference. First operand 41354 states and 50445 transitions. Second operand 5 states. [2019-10-07 07:49:25,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:49:25,134 INFO L93 Difference]: Finished difference Result 41360 states and 50450 transitions. [2019-10-07 07:49:25,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:49:25,135 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 231 [2019-10-07 07:49:25,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:49:25,247 INFO L225 Difference]: With dead ends: 41360 [2019-10-07 07:49:25,247 INFO L226 Difference]: Without dead ends: 41358 [2019-10-07 07:49:25,266 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 07:49:25,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41358 states. [2019-10-07 07:49:27,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41358 to 41358. [2019-10-07 07:49:27,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41358 states. [2019-10-07 07:49:27,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41358 states to 41358 states and 50448 transitions. [2019-10-07 07:49:27,758 INFO L78 Accepts]: Start accepts. Automaton has 41358 states and 50448 transitions. Word has length 231 [2019-10-07 07:49:27,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:49:27,759 INFO L462 AbstractCegarLoop]: Abstraction has 41358 states and 50448 transitions. [2019-10-07 07:49:27,759 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:49:27,759 INFO L276 IsEmpty]: Start isEmpty. Operand 41358 states and 50448 transitions. [2019-10-07 07:49:27,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-10-07 07:49:27,761 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:49:27,762 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:49:27,762 INFO L410 AbstractCegarLoop]: === Iteration 27 === [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 07:49:27,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:49:27,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1197092763, now seen corresponding path program 1 times [2019-10-07 07:49:27,763 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:49:27,763 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:49:27,763 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:49:27,763 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:49:27,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:49:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:49:28,412 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2019-10-07 07:49:28,413 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:49:28,413 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:49:28,413 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:49:28,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:49:28,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:49:28,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:49:28,415 INFO L87 Difference]: Start difference. First operand 41358 states and 50448 transitions. Second operand 5 states. [2019-10-07 07:49:30,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:49:30,904 INFO L93 Difference]: Finished difference Result 41364 states and 50453 transitions. [2019-10-07 07:49:30,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:49:30,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 236 [2019-10-07 07:49:30,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:49:31,022 INFO L225 Difference]: With dead ends: 41364 [2019-10-07 07:49:31,022 INFO L226 Difference]: Without dead ends: 41362 [2019-10-07 07:49:31,044 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 07:49:31,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41362 states. [2019-10-07 07:49:33,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41362 to 41362. [2019-10-07 07:49:33,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41362 states. [2019-10-07 07:49:33,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41362 states to 41362 states and 50451 transitions. [2019-10-07 07:49:33,798 INFO L78 Accepts]: Start accepts. Automaton has 41362 states and 50451 transitions. Word has length 236 [2019-10-07 07:49:33,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:49:33,798 INFO L462 AbstractCegarLoop]: Abstraction has 41362 states and 50451 transitions. [2019-10-07 07:49:33,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:49:33,798 INFO L276 IsEmpty]: Start isEmpty. Operand 41362 states and 50451 transitions. [2019-10-07 07:49:33,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-10-07 07:49:33,801 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:49:33,801 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:49:33,801 INFO L410 AbstractCegarLoop]: === Iteration 28 === [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 07:49:33,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:49:33,802 INFO L82 PathProgramCache]: Analyzing trace with hash -20603367, now seen corresponding path program 1 times [2019-10-07 07:49:33,802 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:49:33,802 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:49:33,802 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:49:33,802 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:49:33,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:49:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:49:34,131 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2019-10-07 07:49:34,131 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:49:34,132 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:49:34,132 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:49:34,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:49:34,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:49:34,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:49:34,134 INFO L87 Difference]: Start difference. First operand 41362 states and 50451 transitions. Second operand 5 states. [2019-10-07 07:49:38,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:49:38,031 INFO L93 Difference]: Finished difference Result 41368 states and 50456 transitions. [2019-10-07 07:49:38,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:49:38,031 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 241 [2019-10-07 07:49:38,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:49:38,124 INFO L225 Difference]: With dead ends: 41368 [2019-10-07 07:49:38,124 INFO L226 Difference]: Without dead ends: 41366 [2019-10-07 07:49:38,137 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 07:49:38,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41366 states. [2019-10-07 07:49:40,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41366 to 41366. [2019-10-07 07:49:40,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41366 states. [2019-10-07 07:49:40,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41366 states to 41366 states and 50454 transitions. [2019-10-07 07:49:40,487 INFO L78 Accepts]: Start accepts. Automaton has 41366 states and 50454 transitions. Word has length 241 [2019-10-07 07:49:40,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:49:40,488 INFO L462 AbstractCegarLoop]: Abstraction has 41366 states and 50454 transitions. [2019-10-07 07:49:40,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:49:40,488 INFO L276 IsEmpty]: Start isEmpty. Operand 41366 states and 50454 transitions. [2019-10-07 07:49:40,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-10-07 07:49:40,490 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:49:40,490 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:49:40,490 INFO L410 AbstractCegarLoop]: === Iteration 29 === [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 07:49:40,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:49:40,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1100044773, now seen corresponding path program 1 times [2019-10-07 07:49:40,491 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:49:40,491 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:49:40,491 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:49:40,491 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:49:40,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:49:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:49:40,792 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2019-10-07 07:49:40,793 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:49:40,793 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:49:40,793 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:49:40,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:49:40,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:49:40,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:49:40,797 INFO L87 Difference]: Start difference. First operand 41366 states and 50454 transitions. Second operand 5 states. [2019-10-07 07:49:43,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:49:43,146 INFO L93 Difference]: Finished difference Result 43954 states and 53128 transitions. [2019-10-07 07:49:43,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:49:43,147 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 246 [2019-10-07 07:49:43,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:49:43,244 INFO L225 Difference]: With dead ends: 43954 [2019-10-07 07:49:43,244 INFO L226 Difference]: Without dead ends: 43952 [2019-10-07 07:49:43,258 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 07:49:43,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43952 states. [2019-10-07 07:49:45,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43952 to 43952. [2019-10-07 07:49:45,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43952 states. [2019-10-07 07:49:45,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43952 states to 43952 states and 53126 transitions. [2019-10-07 07:49:45,836 INFO L78 Accepts]: Start accepts. Automaton has 43952 states and 53126 transitions. Word has length 246 [2019-10-07 07:49:45,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:49:45,836 INFO L462 AbstractCegarLoop]: Abstraction has 43952 states and 53126 transitions. [2019-10-07 07:49:45,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:49:45,836 INFO L276 IsEmpty]: Start isEmpty. Operand 43952 states and 53126 transitions. [2019-10-07 07:49:45,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-10-07 07:49:45,838 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:49:45,838 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:49:45,839 INFO L410 AbstractCegarLoop]: === Iteration 30 === [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 07:49:45,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:49:45,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1869127941, now seen corresponding path program 1 times [2019-10-07 07:49:45,839 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:49:45,839 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:49:45,839 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:49:45,839 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:49:45,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:49:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:49:46,165 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2019-10-07 07:49:46,166 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:49:46,166 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:49:46,166 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:49:46,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:49:46,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:49:46,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:49:46,167 INFO L87 Difference]: Start difference. First operand 43952 states and 53126 transitions. Second operand 3 states. [2019-10-07 07:49:49,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:49:49,883 INFO L93 Difference]: Finished difference Result 104316 states and 125976 transitions. [2019-10-07 07:49:49,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:49:49,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2019-10-07 07:49:49,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:49:50,066 INFO L225 Difference]: With dead ends: 104316 [2019-10-07 07:49:50,066 INFO L226 Difference]: Without dead ends: 60489 [2019-10-07 07:49:50,143 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 07:49:50,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60489 states. [2019-10-07 07:49:56,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60489 to 60270. [2019-10-07 07:49:56,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60270 states. [2019-10-07 07:49:56,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60270 states to 60270 states and 72671 transitions. [2019-10-07 07:49:56,311 INFO L78 Accepts]: Start accepts. Automaton has 60270 states and 72671 transitions. Word has length 249 [2019-10-07 07:49:56,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:49:56,312 INFO L462 AbstractCegarLoop]: Abstraction has 60270 states and 72671 transitions. [2019-10-07 07:49:56,312 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:49:56,312 INFO L276 IsEmpty]: Start isEmpty. Operand 60270 states and 72671 transitions. [2019-10-07 07:49:56,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-10-07 07:49:56,314 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:49:56,314 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:49:56,314 INFO L410 AbstractCegarLoop]: === Iteration 31 === [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 07:49:56,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:49:56,315 INFO L82 PathProgramCache]: Analyzing trace with hash 179398425, now seen corresponding path program 1 times [2019-10-07 07:49:56,315 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:49:56,315 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:49:56,315 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:49:56,315 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:49:56,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:49:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:49:56,625 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2019-10-07 07:49:56,625 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:49:56,625 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:49:56,626 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:49:56,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:49:56,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:49:56,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:49:56,627 INFO L87 Difference]: Start difference. First operand 60270 states and 72671 transitions. Second operand 5 states. [2019-10-07 07:49:59,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:49:59,859 INFO L93 Difference]: Finished difference Result 60276 states and 72676 transitions. [2019-10-07 07:49:59,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:49:59,859 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 251 [2019-10-07 07:49:59,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:50:00,023 INFO L225 Difference]: With dead ends: 60276 [2019-10-07 07:50:00,023 INFO L226 Difference]: Without dead ends: 60274 [2019-10-07 07:50:00,049 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 07:50:00,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60274 states. [2019-10-07 07:50:03,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60274 to 60274. [2019-10-07 07:50:03,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60274 states. [2019-10-07 07:50:03,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60274 states to 60274 states and 72674 transitions. [2019-10-07 07:50:03,935 INFO L78 Accepts]: Start accepts. Automaton has 60274 states and 72674 transitions. Word has length 251 [2019-10-07 07:50:03,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:50:03,935 INFO L462 AbstractCegarLoop]: Abstraction has 60274 states and 72674 transitions. [2019-10-07 07:50:03,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:50:03,935 INFO L276 IsEmpty]: Start isEmpty. Operand 60274 states and 72674 transitions. [2019-10-07 07:50:03,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-10-07 07:50:03,937 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:50:03,938 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 9, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:50:03,938 INFO L410 AbstractCegarLoop]: === Iteration 32 === [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 07:50:03,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:50:03,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1806871707, now seen corresponding path program 1 times [2019-10-07 07:50:03,939 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:50:03,939 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:50:03,939 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:50:03,939 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:50:03,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:50:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:50:04,192 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2019-10-07 07:50:04,192 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:50:04,192 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:50:04,192 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:50:04,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:50:04,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:50:04,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:50:04,193 INFO L87 Difference]: Start difference. First operand 60274 states and 72674 transitions. Second operand 5 states. [2019-10-07 07:50:07,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:50:07,686 INFO L93 Difference]: Finished difference Result 60280 states and 72679 transitions. [2019-10-07 07:50:07,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:50:07,686 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 256 [2019-10-07 07:50:07,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:50:09,957 INFO L225 Difference]: With dead ends: 60280 [2019-10-07 07:50:09,957 INFO L226 Difference]: Without dead ends: 60278 [2019-10-07 07:50:09,975 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 07:50:10,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60278 states. [2019-10-07 07:50:13,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60278 to 60278. [2019-10-07 07:50:13,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60278 states. [2019-10-07 07:50:13,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60278 states to 60278 states and 72677 transitions. [2019-10-07 07:50:13,576 INFO L78 Accepts]: Start accepts. Automaton has 60278 states and 72677 transitions. Word has length 256 [2019-10-07 07:50:13,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:50:13,576 INFO L462 AbstractCegarLoop]: Abstraction has 60278 states and 72677 transitions. [2019-10-07 07:50:13,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:50:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 60278 states and 72677 transitions. [2019-10-07 07:50:13,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-10-07 07:50:13,579 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:50:13,579 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 10, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:50:13,579 INFO L410 AbstractCegarLoop]: === Iteration 33 === [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 07:50:13,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:50:13,580 INFO L82 PathProgramCache]: Analyzing trace with hash 531079193, now seen corresponding path program 1 times [2019-10-07 07:50:13,580 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:50:13,580 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:50:13,580 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:50:13,580 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:50:13,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:50:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:50:13,876 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2019-10-07 07:50:13,877 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:50:13,877 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:50:13,877 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:50:13,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:50:13,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:50:13,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:50:13,878 INFO L87 Difference]: Start difference. First operand 60278 states and 72677 transitions. Second operand 5 states. [2019-10-07 07:50:17,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:50:17,662 INFO L93 Difference]: Finished difference Result 60284 states and 72682 transitions. [2019-10-07 07:50:17,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:50:17,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 261 [2019-10-07 07:50:17,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:50:17,802 INFO L225 Difference]: With dead ends: 60284 [2019-10-07 07:50:17,803 INFO L226 Difference]: Without dead ends: 60282 [2019-10-07 07:50:17,822 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 07:50:17,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60282 states. [2019-10-07 07:50:21,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60282 to 60282. [2019-10-07 07:50:21,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60282 states. [2019-10-07 07:50:21,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60282 states to 60282 states and 72680 transitions. [2019-10-07 07:50:21,641 INFO L78 Accepts]: Start accepts. Automaton has 60282 states and 72680 transitions. Word has length 261 [2019-10-07 07:50:21,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:50:21,641 INFO L462 AbstractCegarLoop]: Abstraction has 60282 states and 72680 transitions. [2019-10-07 07:50:21,642 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:50:21,642 INFO L276 IsEmpty]: Start isEmpty. Operand 60282 states and 72680 transitions. [2019-10-07 07:50:21,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2019-10-07 07:50:21,644 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:50:21,645 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 11, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:50:21,645 INFO L410 AbstractCegarLoop]: === Iteration 34 === [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 07:50:21,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:50:21,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1156727579, now seen corresponding path program 1 times [2019-10-07 07:50:21,645 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:50:21,646 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:50:21,646 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:50:21,646 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:50:21,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:50:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:50:21,923 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 894 trivial. 0 not checked. [2019-10-07 07:50:21,924 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:50:21,924 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:50:21,924 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:50:21,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:50:21,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:50:21,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:50:21,925 INFO L87 Difference]: Start difference. First operand 60282 states and 72680 transitions. Second operand 5 states. [2019-10-07 07:50:27,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:50:27,452 INFO L93 Difference]: Finished difference Result 60288 states and 72685 transitions. [2019-10-07 07:50:27,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:50:27,453 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 266 [2019-10-07 07:50:27,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:50:27,641 INFO L225 Difference]: With dead ends: 60288 [2019-10-07 07:50:27,641 INFO L226 Difference]: Without dead ends: 60286 [2019-10-07 07:50:27,667 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 07:50:27,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60286 states. [2019-10-07 07:50:31,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60286 to 60286. [2019-10-07 07:50:31,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60286 states. [2019-10-07 07:50:31,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60286 states to 60286 states and 72683 transitions. [2019-10-07 07:50:31,659 INFO L78 Accepts]: Start accepts. Automaton has 60286 states and 72683 transitions. Word has length 266 [2019-10-07 07:50:31,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:50:31,659 INFO L462 AbstractCegarLoop]: Abstraction has 60286 states and 72683 transitions. [2019-10-07 07:50:31,659 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:50:31,659 INFO L276 IsEmpty]: Start isEmpty. Operand 60286 states and 72683 transitions. [2019-10-07 07:50:31,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-10-07 07:50:31,662 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:50:31,663 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:50:31,663 INFO L410 AbstractCegarLoop]: === Iteration 35 === [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 07:50:31,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:50:31,664 INFO L82 PathProgramCache]: Analyzing trace with hash 220885189, now seen corresponding path program 1 times [2019-10-07 07:50:31,664 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:50:31,664 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:50:31,664 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:50:31,664 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:50:31,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:50:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:50:31,951 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 728 trivial. 0 not checked. [2019-10-07 07:50:31,951 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:50:31,951 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:50:31,952 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:50:31,952 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:50:31,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:50:31,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:50:31,953 INFO L87 Difference]: Start difference. First operand 60286 states and 72683 transitions. Second operand 5 states. [2019-10-07 07:50:58,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:50:58,991 INFO L93 Difference]: Finished difference Result 129400 states and 156042 transitions. [2019-10-07 07:50:58,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:50:58,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 270 [2019-10-07 07:50:58,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:50:59,185 INFO L225 Difference]: With dead ends: 129400 [2019-10-07 07:50:59,186 INFO L226 Difference]: Without dead ends: 69239 [2019-10-07 07:50:59,281 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 07:50:59,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69239 states. [2019-10-07 07:51:04,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69239 to 68919. [2019-10-07 07:51:04,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68919 states. [2019-10-07 07:51:04,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68919 states to 68919 states and 83038 transitions. [2019-10-07 07:51:04,358 INFO L78 Accepts]: Start accepts. Automaton has 68919 states and 83038 transitions. Word has length 270 [2019-10-07 07:51:04,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:51:04,358 INFO L462 AbstractCegarLoop]: Abstraction has 68919 states and 83038 transitions. [2019-10-07 07:51:04,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:51:04,358 INFO L276 IsEmpty]: Start isEmpty. Operand 68919 states and 83038 transitions. [2019-10-07 07:51:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-10-07 07:51:04,361 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:51:04,362 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 12, 11, 11, 6, 6, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:51:04,362 INFO L410 AbstractCegarLoop]: === Iteration 36 === [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 07:51:04,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:51:04,362 INFO L82 PathProgramCache]: Analyzing trace with hash -993341012, now seen corresponding path program 1 times [2019-10-07 07:51:04,363 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:51:04,363 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:51:04,363 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:51:04,363 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:51:04,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:51:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:51:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 985 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 961 trivial. 0 not checked. [2019-10-07 07:51:04,652 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:51:04,652 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:51:04,652 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:51:04,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:51:04,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:51:04,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:51:04,653 INFO L87 Difference]: Start difference. First operand 68919 states and 83038 transitions. Second operand 5 states. [2019-10-07 07:51:11,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:51:11,385 INFO L93 Difference]: Finished difference Result 68925 states and 83043 transitions. [2019-10-07 07:51:11,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:51:11,386 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 303 [2019-10-07 07:51:11,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:51:11,556 INFO L225 Difference]: With dead ends: 68925 [2019-10-07 07:51:11,556 INFO L226 Difference]: Without dead ends: 68923 [2019-10-07 07:51:11,579 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 07:51:11,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68923 states. [2019-10-07 07:51:16,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68923 to 68923. [2019-10-07 07:51:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68923 states. [2019-10-07 07:51:16,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68923 states to 68923 states and 83041 transitions. [2019-10-07 07:51:16,377 INFO L78 Accepts]: Start accepts. Automaton has 68923 states and 83041 transitions. Word has length 303 [2019-10-07 07:51:16,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:51:16,377 INFO L462 AbstractCegarLoop]: Abstraction has 68923 states and 83041 transitions. [2019-10-07 07:51:16,377 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:51:16,378 INFO L276 IsEmpty]: Start isEmpty. Operand 68923 states and 83041 transitions. [2019-10-07 07:51:16,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2019-10-07 07:51:16,381 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:51:16,381 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:51:16,381 INFO L410 AbstractCegarLoop]: === Iteration 37 === [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 07:51:16,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:51:16,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1129922437, now seen corresponding path program 1 times [2019-10-07 07:51:16,382 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:51:16,382 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:51:16,382 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:51:16,382 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:51:16,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:51:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:51:16,619 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 728 trivial. 0 not checked. [2019-10-07 07:51:16,620 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:51:16,620 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:51:16,620 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:51:16,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:51:16,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:51:16,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:51:16,621 INFO L87 Difference]: Start difference. First operand 68923 states and 83041 transitions. Second operand 5 states. [2019-10-07 07:51:44,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:51:44,403 INFO L93 Difference]: Finished difference Result 146548 states and 176671 transitions. [2019-10-07 07:51:44,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:51:44,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 275 [2019-10-07 07:51:44,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:51:44,604 INFO L225 Difference]: With dead ends: 146548 [2019-10-07 07:51:44,604 INFO L226 Difference]: Without dead ends: 77750 [2019-10-07 07:51:44,689 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 07:51:44,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77750 states. [2019-10-07 07:51:50,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77750 to 77426. [2019-10-07 07:51:50,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77426 states. [2019-10-07 07:51:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77426 states to 77426 states and 93306 transitions. [2019-10-07 07:51:50,551 INFO L78 Accepts]: Start accepts. Automaton has 77426 states and 93306 transitions. Word has length 275 [2019-10-07 07:51:50,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:51:50,552 INFO L462 AbstractCegarLoop]: Abstraction has 77426 states and 93306 transitions. [2019-10-07 07:51:50,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:51:50,552 INFO L276 IsEmpty]: Start isEmpty. Operand 77426 states and 93306 transitions. [2019-10-07 07:51:50,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2019-10-07 07:51:50,555 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:51:50,555 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 13, 12, 12, 6, 6, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:51:50,556 INFO L410 AbstractCegarLoop]: === Iteration 38 === [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 07:51:50,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:51:50,556 INFO L82 PathProgramCache]: Analyzing trace with hash -164084504, now seen corresponding path program 1 times [2019-10-07 07:51:50,556 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:51:50,556 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:51:50,556 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:51:50,557 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:51:50,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:51:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:51:50,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2019-10-07 07:51:50,835 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:51:50,835 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:51:50,835 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:51:50,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:51:50,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:51:50,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:51:50,836 INFO L87 Difference]: Start difference. First operand 77426 states and 93306 transitions. Second operand 5 states. [2019-10-07 07:51:58,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:51:58,564 INFO L93 Difference]: Finished difference Result 77432 states and 93311 transitions. [2019-10-07 07:51:58,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:51:58,564 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 308 [2019-10-07 07:51:58,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:51:58,793 INFO L225 Difference]: With dead ends: 77432 [2019-10-07 07:51:58,793 INFO L226 Difference]: Without dead ends: 77430 [2019-10-07 07:51:58,822 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 07:51:58,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77430 states. [2019-10-07 07:52:04,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77430 to 77430. [2019-10-07 07:52:04,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77430 states. [2019-10-07 07:52:04,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77430 states to 77430 states and 93309 transitions. [2019-10-07 07:52:04,628 INFO L78 Accepts]: Start accepts. Automaton has 77430 states and 93309 transitions. Word has length 308 [2019-10-07 07:52:04,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:52:04,629 INFO L462 AbstractCegarLoop]: Abstraction has 77430 states and 93309 transitions. [2019-10-07 07:52:04,629 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:52:04,629 INFO L276 IsEmpty]: Start isEmpty. Operand 77430 states and 93309 transitions. [2019-10-07 07:52:04,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-10-07 07:52:04,633 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:52:04,633 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 14, 13, 13, 6, 6, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:52:04,634 INFO L410 AbstractCegarLoop]: === Iteration 39 === [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 07:52:04,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:52:04,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1153076972, now seen corresponding path program 1 times [2019-10-07 07:52:04,634 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:52:04,634 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:52:04,634 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:52:04,634 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:52:04,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:52:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:52:04,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2019-10-07 07:52:04,868 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:52:04,869 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:52:04,869 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:52:04,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:52:04,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:52:04,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:52:04,870 INFO L87 Difference]: Start difference. First operand 77430 states and 93309 transitions. Second operand 5 states. [2019-10-07 07:52:10,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:52:10,110 INFO L93 Difference]: Finished difference Result 77436 states and 93314 transitions. [2019-10-07 07:52:10,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:52:10,110 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 313 [2019-10-07 07:52:10,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:52:10,316 INFO L225 Difference]: With dead ends: 77436 [2019-10-07 07:52:10,317 INFO L226 Difference]: Without dead ends: 77432 [2019-10-07 07:52:10,345 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 07:52:10,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77432 states. [2019-10-07 07:52:16,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77432 to 77432. [2019-10-07 07:52:16,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77432 states. [2019-10-07 07:52:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77432 states to 77432 states and 93310 transitions. [2019-10-07 07:52:16,218 INFO L78 Accepts]: Start accepts. Automaton has 77432 states and 93310 transitions. Word has length 313 [2019-10-07 07:52:16,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:52:16,219 INFO L462 AbstractCegarLoop]: Abstraction has 77432 states and 93310 transitions. [2019-10-07 07:52:16,219 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:52:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 77432 states and 93310 transitions. [2019-10-07 07:52:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-10-07 07:52:16,223 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:52:16,223 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:52:16,223 INFO L410 AbstractCegarLoop]: === Iteration 40 === [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 07:52:16,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:52:16,223 INFO L82 PathProgramCache]: Analyzing trace with hash 305573276, now seen corresponding path program 1 times [2019-10-07 07:52:16,224 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:52:16,224 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:52:16,224 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:52:16,224 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:52:16,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:52:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:52:16,551 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2019-10-07 07:52:16,551 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:52:16,551 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:52:16,551 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:52:16,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:52:16,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:52:16,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:52:16,552 INFO L87 Difference]: Start difference. First operand 77432 states and 93310 transitions. Second operand 3 states. [2019-10-07 07:52:25,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:52:25,162 INFO L93 Difference]: Finished difference Result 155824 states and 187563 transitions. [2019-10-07 07:52:25,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:52:25,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 289 [2019-10-07 07:52:25,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:52:25,362 INFO L225 Difference]: With dead ends: 155824 [2019-10-07 07:52:25,363 INFO L226 Difference]: Without dead ends: 78517 [2019-10-07 07:52:25,466 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 07:52:25,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78517 states. [2019-10-07 07:52:31,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78517 to 78272. [2019-10-07 07:52:31,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78272 states. [2019-10-07 07:52:31,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78272 states to 78272 states and 94025 transitions. [2019-10-07 07:52:31,657 INFO L78 Accepts]: Start accepts. Automaton has 78272 states and 94025 transitions. Word has length 289 [2019-10-07 07:52:31,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:52:31,658 INFO L462 AbstractCegarLoop]: Abstraction has 78272 states and 94025 transitions. [2019-10-07 07:52:31,658 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:52:31,658 INFO L276 IsEmpty]: Start isEmpty. Operand 78272 states and 94025 transitions. [2019-10-07 07:52:31,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-10-07 07:52:31,662 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:52:31,662 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:52:31,662 INFO L410 AbstractCegarLoop]: === Iteration 41 === [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 07:52:31,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:52:31,663 INFO L82 PathProgramCache]: Analyzing trace with hash -2040996083, now seen corresponding path program 1 times [2019-10-07 07:52:31,663 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:52:31,663 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:52:31,663 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:52:31,663 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:52:31,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:52:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:52:32,051 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 734 trivial. 0 not checked. [2019-10-07 07:52:32,052 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:52:32,054 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:52:32,054 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:52:32,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:52:32,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:52:32,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:52:32,058 INFO L87 Difference]: Start difference. First operand 78272 states and 94025 transitions. Second operand 5 states. [2019-10-07 07:53:03,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:53:03,940 INFO L93 Difference]: Finished difference Result 165162 states and 198423 transitions. [2019-10-07 07:53:03,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:53:03,940 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 282 [2019-10-07 07:53:03,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:53:04,169 INFO L225 Difference]: With dead ends: 165162 [2019-10-07 07:53:04,170 INFO L226 Difference]: Without dead ends: 87015 [2019-10-07 07:53:04,279 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 07:53:04,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87015 states. [2019-10-07 07:53:15,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87015 to 86685. [2019-10-07 07:53:15,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86685 states. [2019-10-07 07:53:15,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86685 states to 86685 states and 104050 transitions. [2019-10-07 07:53:15,329 INFO L78 Accepts]: Start accepts. Automaton has 86685 states and 104050 transitions. Word has length 282 [2019-10-07 07:53:15,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:53:15,330 INFO L462 AbstractCegarLoop]: Abstraction has 86685 states and 104050 transitions. [2019-10-07 07:53:15,330 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:53:15,330 INFO L276 IsEmpty]: Start isEmpty. Operand 86685 states and 104050 transitions. [2019-10-07 07:53:15,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2019-10-07 07:53:15,333 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:53:15,333 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 6, 6, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:53:15,334 INFO L410 AbstractCegarLoop]: === Iteration 42 === [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 07:53:15,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:53:15,334 INFO L82 PathProgramCache]: Analyzing trace with hash 2063919494, now seen corresponding path program 1 times [2019-10-07 07:53:15,334 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:53:15,334 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:15,334 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:15,335 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:15,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:53:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:53:15,647 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 739 trivial. 0 not checked. [2019-10-07 07:53:15,647 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:15,647 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:53:15,647 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:53:15,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:53:15,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:53:15,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:53:15,648 INFO L87 Difference]: Start difference. First operand 86685 states and 104050 transitions. Second operand 3 states. [2019-10-07 07:53:23,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:53:23,458 INFO L93 Difference]: Finished difference Result 182971 states and 219514 transitions. [2019-10-07 07:53:23,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:53:23,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2019-10-07 07:53:23,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:53:23,696 INFO L225 Difference]: With dead ends: 182971 [2019-10-07 07:53:23,696 INFO L226 Difference]: Without dead ends: 96411 [2019-10-07 07:53:23,821 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 07:53:23,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96411 states. [2019-10-07 07:53:31,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96411 to 96166. [2019-10-07 07:53:31,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96166 states. [2019-10-07 07:53:31,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96166 states to 96166 states and 115196 transitions. [2019-10-07 07:53:31,838 INFO L78 Accepts]: Start accepts. Automaton has 96166 states and 115196 transitions. Word has length 294 [2019-10-07 07:53:31,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:53:31,838 INFO L462 AbstractCegarLoop]: Abstraction has 96166 states and 115196 transitions. [2019-10-07 07:53:31,838 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:53:31,838 INFO L276 IsEmpty]: Start isEmpty. Operand 96166 states and 115196 transitions. [2019-10-07 07:53:31,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-10-07 07:53:31,842 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:53:31,842 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:53:31,842 INFO L410 AbstractCegarLoop]: === Iteration 43 === [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 07:53:31,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:53:31,842 INFO L82 PathProgramCache]: Analyzing trace with hash -152590270, now seen corresponding path program 1 times [2019-10-07 07:53:31,843 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:53:31,843 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:31,843 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:31,843 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:31,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:53:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:53:32,144 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 740 trivial. 0 not checked. [2019-10-07 07:53:32,145 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:32,145 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:53:32,145 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:53:32,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:53:32,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:53:32,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:53:32,146 INFO L87 Difference]: Start difference. First operand 96166 states and 115196 transitions. Second operand 5 states. [2019-10-07 07:54:07,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:54:07,645 INFO L93 Difference]: Finished difference Result 201000 states and 240895 transitions. [2019-10-07 07:54:07,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:54:07,645 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 283 [2019-10-07 07:54:07,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:54:07,937 INFO L225 Difference]: With dead ends: 201000 [2019-10-07 07:54:07,938 INFO L226 Difference]: Without dead ends: 104959 [2019-10-07 07:54:08,064 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 07:54:08,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104959 states. [2019-10-07 07:54:16,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104959 to 104629. [2019-10-07 07:54:16,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104629 states. [2019-10-07 07:54:17,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104629 states to 104629 states and 125341 transitions. [2019-10-07 07:54:17,074 INFO L78 Accepts]: Start accepts. Automaton has 104629 states and 125341 transitions. Word has length 283 [2019-10-07 07:54:17,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:54:17,074 INFO L462 AbstractCegarLoop]: Abstraction has 104629 states and 125341 transitions. [2019-10-07 07:54:17,074 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:54:17,075 INFO L276 IsEmpty]: Start isEmpty. Operand 104629 states and 125341 transitions. [2019-10-07 07:54:17,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2019-10-07 07:54:17,078 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:54:17,078 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 15, 14, 14, 6, 6, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:54:17,079 INFO L410 AbstractCegarLoop]: === Iteration 44 === [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 07:54:17,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:54:17,079 INFO L82 PathProgramCache]: Analyzing trace with hash 84344616, now seen corresponding path program 1 times [2019-10-07 07:54:17,079 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:54:17,079 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:54:17,080 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:54:17,080 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:54:17,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:54:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:54:17,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1135 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1105 trivial. 0 not checked. [2019-10-07 07:54:17,328 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:54:17,328 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:54:17,328 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:54:17,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:54:17,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:54:17,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:54:17,329 INFO L87 Difference]: Start difference. First operand 104629 states and 125341 transitions. Second operand 5 states. [2019-10-07 07:54:25,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:54:25,462 INFO L93 Difference]: Finished difference Result 104629 states and 125341 transitions. [2019-10-07 07:54:25,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:54:25,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 318 [2019-10-07 07:54:25,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:54:25,725 INFO L225 Difference]: With dead ends: 104629 [2019-10-07 07:54:25,725 INFO L226 Difference]: Without dead ends: 103477 [2019-10-07 07:54:25,758 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 07:54:25,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103477 states. [2019-10-07 07:54:37,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103477 to 103477. [2019-10-07 07:54:37,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103477 states. [2019-10-07 07:54:37,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103477 states to 103477 states and 123535 transitions. [2019-10-07 07:54:37,379 INFO L78 Accepts]: Start accepts. Automaton has 103477 states and 123535 transitions. Word has length 318 [2019-10-07 07:54:37,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:54:37,380 INFO L462 AbstractCegarLoop]: Abstraction has 103477 states and 123535 transitions. [2019-10-07 07:54:37,380 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:54:37,380 INFO L276 IsEmpty]: Start isEmpty. Operand 103477 states and 123535 transitions. [2019-10-07 07:54:37,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2019-10-07 07:54:37,383 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:54:37,383 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 7, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:54:37,384 INFO L410 AbstractCegarLoop]: === Iteration 45 === [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 07:54:37,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:54:37,384 INFO L82 PathProgramCache]: Analyzing trace with hash 264666693, now seen corresponding path program 1 times [2019-10-07 07:54:37,384 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:54:37,384 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:54:37,384 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:54:37,384 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:54:37,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:54:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:54:37,675 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 31 proven. 12 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2019-10-07 07:54:37,675 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:54:37,675 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 07:54:37,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:54:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:54:39,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 5019 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 07:54:39,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 07:54:39,390 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2019-10-07 07:54:39,390 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 07:54:40,200 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 31 proven. 12 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2019-10-07 07:54:40,201 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 07:54:40,201 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10 [2019-10-07 07:54:40,202 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:54:40,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:54:40,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-07 07:54:40,203 INFO L87 Difference]: Start difference. First operand 103477 states and 123535 transitions. Second operand 5 states. [2019-10-07 07:55:17,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:55:17,826 INFO L93 Difference]: Finished difference Result 215371 states and 257198 transitions. [2019-10-07 07:55:17,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:55:17,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 297 [2019-10-07 07:55:17,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:55:18,121 INFO L225 Difference]: With dead ends: 215371 [2019-10-07 07:55:18,122 INFO L226 Difference]: Without dead ends: 112019 [2019-10-07 07:55:18,244 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 601 GetRequests, 590 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-07 07:55:18,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112019 states. [2019-10-07 07:55:32,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112019 to 111955. [2019-10-07 07:55:32,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111955 states. [2019-10-07 07:55:32,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111955 states to 111955 states and 133530 transitions. [2019-10-07 07:55:32,663 INFO L78 Accepts]: Start accepts. Automaton has 111955 states and 133530 transitions. Word has length 297 [2019-10-07 07:55:32,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:55:32,663 INFO L462 AbstractCegarLoop]: Abstraction has 111955 states and 133530 transitions. [2019-10-07 07:55:32,663 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:55:32,663 INFO L276 IsEmpty]: Start isEmpty. Operand 111955 states and 133530 transitions. [2019-10-07 07:55:32,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2019-10-07 07:55:32,667 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:55:32,667 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 9, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:55:32,868 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:55:32,869 INFO L410 AbstractCegarLoop]: === Iteration 46 === [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 07:55:32,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:55:32,869 INFO L82 PathProgramCache]: Analyzing trace with hash -421287310, now seen corresponding path program 1 times [2019-10-07 07:55:32,870 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:55:32,870 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:55:32,870 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:55:32,870 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:55:32,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:55:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:55:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2019-10-07 07:55:33,356 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:55:33,356 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 07:55:33,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:55:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:55:35,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 5311 conjuncts, 48 conjunts are in the unsatisfiable core [2019-10-07 07:55:35,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 07:55:35,163 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 8 proven. 80 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2019-10-07 07:55:35,163 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 07:55:35,804 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2019-10-07 07:55:35,804 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 07:55:35,804 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 9 [2019-10-07 07:55:35,805 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 07:55:35,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 07:55:35,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 07:55:35,805 INFO L87 Difference]: Start difference. First operand 111955 states and 133530 transitions. Second operand 6 states. [2019-10-07 07:55:49,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:55:49,827 INFO L93 Difference]: Finished difference Result 111955 states and 133530 transitions. [2019-10-07 07:55:49,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:55:49,828 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 362 [2019-10-07 07:55:49,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:55:50,102 INFO L225 Difference]: With dead ends: 111955 [2019-10-07 07:55:50,102 INFO L226 Difference]: Without dead ends: 111953 [2019-10-07 07:55:50,135 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 743 GetRequests, 734 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-10-07 07:55:50,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111953 states. [2019-10-07 07:56:00,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111953 to 111953. [2019-10-07 07:56:00,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111953 states. [2019-10-07 07:56:00,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111953 states to 111953 states and 133104 transitions. [2019-10-07 07:56:00,249 INFO L78 Accepts]: Start accepts. Automaton has 111953 states and 133104 transitions. Word has length 362 [2019-10-07 07:56:00,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:56:00,250 INFO L462 AbstractCegarLoop]: Abstraction has 111953 states and 133104 transitions. [2019-10-07 07:56:00,250 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 07:56:00,250 INFO L276 IsEmpty]: Start isEmpty. Operand 111953 states and 133104 transitions. [2019-10-07 07:56:00,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-10-07 07:56:00,258 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:56:00,258 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:56:00,473 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:56:00,474 INFO L410 AbstractCegarLoop]: === Iteration 47 === [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 07:56:00,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:56:00,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1693267353, now seen corresponding path program 1 times [2019-10-07 07:56:00,475 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:56:00,475 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:56:00,475 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:56:00,475 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:56:00,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:56:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:56:01,000 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 974 trivial. 0 not checked. [2019-10-07 07:56:01,000 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:56:01,001 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:56:01,001 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:56:01,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:56:01,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:56:01,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:56:01,002 INFO L87 Difference]: Start difference. First operand 111953 states and 133104 transitions. Second operand 5 states. [2019-10-07 07:56:12,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:56:12,434 INFO L93 Difference]: Finished difference Result 111953 states and 133104 transitions. [2019-10-07 07:56:12,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 07:56:12,434 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 404 [2019-10-07 07:56:12,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:56:12,442 INFO L225 Difference]: With dead ends: 111953 [2019-10-07 07:56:12,442 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 07:56:12,608 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 07:56:12,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 07:56:12,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 07:56:12,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 07:56:12,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 07:56:12,619 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 404 [2019-10-07 07:56:12,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:56:12,620 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 07:56:12,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:56:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 07:56:12,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 07:56:12,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 07:56:18,792 WARN L191 SmtUtils]: Spent 4.43 s on a formula simplification that was a NOOP. DAG size: 120 [2019-10-07 07:56:29,671 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 99