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-natsemi-ns83820.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 07:41:14,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 07:41:14,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 07:41:14,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 07:41:14,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 07:41:14,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 07:41:14,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 07:41:14,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 07:41:14,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 07:41:14,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 07:41:14,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 07:41:14,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 07:41:14,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 07:41:14,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 07:41:14,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 07:41:14,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 07:41:14,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 07:41:14,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 07:41:14,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 07:41:14,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 07:41:14,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 07:41:14,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 07:41:14,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 07:41:14,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 07:41:14,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 07:41:14,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 07:41:14,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 07:41:14,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 07:41:14,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 07:41:14,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 07:41:14,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 07:41:14,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 07:41:14,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 07:41:14,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 07:41:14,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 07:41:14,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 07:41:14,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 07:41:14,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 07:41:14,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 07:41:14,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 07:41:14,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 07:41:14,587 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 07:41:14,603 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 07:41:14,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 07:41:14,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 07:41:14,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 07:41:14,606 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 07:41:14,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 07:41:14,607 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 07:41:14,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 07:41:14,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 07:41:14,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 07:41:14,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 07:41:14,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 07:41:14,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 07:41:14,608 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 07:41:14,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 07:41:14,608 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 07:41:14,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 07:41:14,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 07:41:14,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 07:41:14,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 07:41:14,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 07:41:14,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 07:41:14,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 07:41:14,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 07:41:14,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 07:41:14,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 07:41:14,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 07:41:14,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 07:41:14,611 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 07:41:14,922 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 07:41:14,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 07:41:14,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 07:41:14,946 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 07:41:14,947 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 07:41:14,947 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2019-10-07 07:41:15,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8e50e8a7/c05d944b544d43c084e1f1dd61213694/FLAG63286e3a9 [2019-10-07 07:41:15,886 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 07:41:15,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2019-10-07 07:41:15,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8e50e8a7/c05d944b544d43c084e1f1dd61213694/FLAG63286e3a9 [2019-10-07 07:41:16,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8e50e8a7/c05d944b544d43c084e1f1dd61213694 [2019-10-07 07:41:16,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 07:41:16,381 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 07:41:16,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 07:41:16,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 07:41:16,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 07:41:16,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 07:41:16" (1/1) ... [2019-10-07 07:41:16,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f0f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:41:16, skipping insertion in model container [2019-10-07 07:41:16,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 07:41:16" (1/1) ... [2019-10-07 07:41:16,397 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 07:41:16,614 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 07:41:20,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 07:41:20,623 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 07:41:21,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 07:41:21,778 INFO L192 MainTranslator]: Completed translation [2019-10-07 07:41:21,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:41:21 WrapperNode [2019-10-07 07:41:21,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 07:41:21,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 07:41:21,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 07:41:21,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 07:41:21,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:41:21" (1/1) ... [2019-10-07 07:41:21,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:41:21" (1/1) ... [2019-10-07 07:41:21,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:41:21" (1/1) ... [2019-10-07 07:41:21,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:41:21" (1/1) ... [2019-10-07 07:41:22,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:41:21" (1/1) ... [2019-10-07 07:41:22,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:41:21" (1/1) ... [2019-10-07 07:41:22,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:41:21" (1/1) ... [2019-10-07 07:41:22,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 07:41:22,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 07:41:22,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 07:41:22,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 07:41:22,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:41:21" (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 07:41:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 07:41:22,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 07:41:22,275 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 07:41:22,275 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 07:41:22,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-07 07:41:22,276 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 07:41:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2019-10-07 07:41:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-07 07:41:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 07:41:22,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2019-10-07 07:41:22,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-07 07:41:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 07:41:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 07:41:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-07 07:41:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-07 07:41:22,280 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-07 07:41:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-07 07:41:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-07 07:41:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-07 07:41:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-07 07:41:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-07 07:41:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-07 07:41:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 07:41:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 07:41:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-07 07:41:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 07:41:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-07 07:41:22,285 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 07:41:22,285 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-07 07:41:22,285 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-07 07:41:22,285 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-07 07:41:22,285 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-07 07:41:22,286 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-07 07:41:22,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-07 07:41:22,286 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-07 07:41:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-07 07:41:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-07 07:41:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-10-07 07:41:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-07 07:41:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-10-07 07:41:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-10-07 07:41:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2019-10-07 07:41:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2019-10-07 07:41:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-10-07 07:41:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-10-07 07:41:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-07 07:41:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-07 07:41:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2019-10-07 07:41:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-07 07:41:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-07 07:41:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2019-10-07 07:41:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2019-10-07 07:41:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2019-10-07 07:41:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2019-10-07 07:41:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2019-10-07 07:41:22,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-07 07:41:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-07 07:41:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-07 07:41:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-07 07:41:22,292 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-07 07:41:22,292 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-07 07:41:22,292 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-07 07:41:22,293 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-07 07:41:22,293 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-07 07:41:22,293 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-07 07:41:22,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-07 07:41:22,293 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-07 07:41:22,293 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-07 07:41:22,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-10-07 07:41:22,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-10-07 07:41:22,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2019-10-07 07:41:22,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2019-10-07 07:41:22,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-07 07:41:22,295 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-07 07:41:22,295 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-07 07:41:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-07 07:41:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-10-07 07:41:22,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2019-10-07 07:41:22,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2019-10-07 07:41:22,297 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2019-10-07 07:41:22,297 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2019-10-07 07:41:22,298 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2019-10-07 07:41:22,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_add_rx_skb [2019-10-07 07:41:22,298 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2019-10-07 07:41:22,298 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill_atomic [2019-10-07 07:41:22,298 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_refill [2019-10-07 07:41:22,299 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2019-10-07 07:41:22,299 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2019-10-07 07:41:22,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_setup_rx [2019-10-07 07:41:22,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_cleanup_rx [2019-10-07 07:41:22,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2019-10-07 07:41:22,300 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2019-10-07 07:41:22,300 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_action [2019-10-07 07:41:22,300 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2019-10-07 07:41:22,301 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2019-10-07 07:41:22,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_cleanup_tx [2019-10-07 07:41:22,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_hard_start_xmit [2019-10-07 07:41:22,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2019-10-07 07:41:22,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_stats [2019-10-07 07:41:22,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_settings [2019-10-07 07:41:22,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_settings [2019-10-07 07:41:22,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_drvinfo [2019-10-07 07:41:22,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_get_link [2019-10-07 07:41:22,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2019-10-07 07:41:22,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_mib_isr [2019-10-07 07:41:22,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_irq [2019-10-07 07:41:22,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_isr [2019-10-07 07:41:22,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2019-10-07 07:41:22,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2019-10-07 07:41:22,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2019-10-07 07:41:22,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_watch [2019-10-07 07:41:22,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_open [2019-10-07 07:41:22,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_getmac [2019-10-07 07:41:22,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_change_mtu [2019-10-07 07:41:22,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2019-10-07 07:41:22,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2019-10-07 07:41:22,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_init_one [2019-10-07 07:41:22,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_remove_one [2019-10-07 07:41:22,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_init [2019-10-07 07:41:22,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_exit [2019-10-07 07:41:22,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ns83820_exit_14_2 [2019-10-07 07:41:22,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_ns83820_init_14_7 [2019-10-07 07:41:22,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2019-10-07 07:41:22,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2019-10-07 07:41:22,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-10-07 07:41:22,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2019-10-07 07:41:22,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_10_1 [2019-10-07 07:41:22,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_12_1 [2019-10-07 07:41:22,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_5_1 [2019-10-07 07:41:22,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_8_2 [2019-10-07 07:41:22,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_6_1 [2019-10-07 07:41:22,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_9_2 [2019-10-07 07:41:22,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_2 [2019-10-07 07:41:22,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2019-10-07 07:41:22,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-10-07 07:41:22,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_13 [2019-10-07 07:41:22,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_14 [2019-10-07 07:41:22,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-10-07 07:41:22,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2019-10-07 07:41:22,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2019-10-07 07:41:22,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_18 [2019-10-07 07:41:22,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_19 [2019-10-07 07:41:22,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 07:41:22,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-10-07 07:41:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_8 [2019-10-07 07:41:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-10-07 07:41:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_14 [2019-10-07 07:41:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 07:41:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2019-10-07 07:41:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2019-10-07 07:41:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-10-07 07:41:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2019-10-07 07:41:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2019-10-07 07:41:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2019-10-07 07:41:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2019-10-07 07:41:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2019-10-07 07:41:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_2_17 [2019-10-07 07:41:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_2_2 [2019-10-07 07:41:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_2_5 [2019-10-07 07:41:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_2_6 [2019-10-07 07:41:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_2_3 [2019-10-07 07:41:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_2_8 [2019-10-07 07:41:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_2_7 [2019-10-07 07:41:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_2 [2019-10-07 07:41:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2019-10-07 07:41:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice [2019-10-07 07:41:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2019-10-07 07:41:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-10-07 07:41:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-10-07 07:41:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-10-07 07:41:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2019-10-07 07:41:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-10-07 07:41:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2019-10-07 07:41:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_11 [2019-10-07 07:41:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_20 [2019-10-07 07:41:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-10-07 07:41:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_3 [2019-10-07 07:41:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2019-10-07 07:41:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2019-10-07 07:41:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2019-10-07 07:41:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_10_2 [2019-10-07 07:41:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2019-10-07 07:41:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_59 [2019-10-07 07:41:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_60 [2019-10-07 07:41:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_61 [2019-10-07 07:41:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2019-10-07 07:41:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_64 [2019-10-07 07:41:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_65 [2019-10-07 07:41:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_66 [2019-10-07 07:41:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_67 [2019-10-07 07:41:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_68 [2019-10-07 07:41:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2019-10-07 07:41:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_70 [2019-10-07 07:41:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_72 [2019-10-07 07:41:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_73 [2019-10-07 07:41:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_74 [2019-10-07 07:41:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_75 [2019-10-07 07:41:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2019-10-07 07:41:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2019-10-07 07:41:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_82 [2019-10-07 07:41:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_84 [2019-10-07 07:41:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_86 [2019-10-07 07:41:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2019-10-07 07:41:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_88 [2019-10-07 07:41:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_90 [2019-10-07 07:41:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_92 [2019-10-07 07:41:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_95 [2019-10-07 07:41:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_97 [2019-10-07 07:41:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_98 [2019-10-07 07:41:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_101 [2019-10-07 07:41:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_102 [2019-10-07 07:41:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice_103 [2019-10-07 07:41:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_104 [2019-10-07 07:41:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_105 [2019-10-07 07:41:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_106 [2019-10-07 07:41:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_107 [2019-10-07 07:41:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_108 [2019-10-07 07:41:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_109 [2019-10-07 07:41:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_110 [2019-10-07 07:41:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-07 07:41:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-07 07:41:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-07 07:41:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 07:41:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 07:41:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 07:41:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 07:41:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-07 07:41:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-07 07:41:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-07 07:41:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-07 07:41:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-07 07:41:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-07 07:41:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 07:41:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 07:41:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 07:41:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 07:41:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-07 07:41:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 07:41:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-07 07:41:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-07 07:41:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-07 07:41:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-07 07:41:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-07 07:41:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-07 07:41:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-07 07:41:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 07:41:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 07:41:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 07:41:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-07 07:41:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-07 07:41:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-07 07:41:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-07 07:41:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-07 07:41:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-07 07:41:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-07 07:41:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-07 07:41:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-07 07:41:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-07 07:41:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-07 07:41:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-07 07:41:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-07 07:41:22,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-07 07:41:22,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-07 07:41:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-07 07:41:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-07 07:41:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-07 07:41:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-07 07:41:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-07 07:41:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-07 07:41:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-07 07:41:22,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-07 07:41:22,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-07 07:41:22,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-07 07:41:22,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-07 07:41:22,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-07 07:41:22,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-07 07:41:22,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-07 07:41:22,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-07 07:41:22,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-10-07 07:41:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-07 07:41:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-07 07:41:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-07 07:41:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-07 07:41:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-07 07:41:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-07 07:41:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-07 07:41:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-10-07 07:41:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-10-07 07:41:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-10-07 07:41:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-10-07 07:41:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-10-07 07:41:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-10-07 07:41:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-10-07 07:41:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-10-07 07:41:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:41:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-07 07:41:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-07 07:41:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-07 07:41:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-07 07:41:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:41:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-07 07:41:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:41:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rx_info [2019-10-07 07:41:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rx_info [2019-10-07 07:41:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_rx_info [2019-10-07 07:41:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_rx_info [2019-10-07 07:41:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_rx_info [2019-10-07 07:41:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_rx_info [2019-10-07 07:41:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_rx_info [2019-10-07 07:41:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_rx_info [2019-10-07 07:41:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-07 07:41:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-07 07:41:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-07 07:41:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-07 07:41:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-07 07:41:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-07 07:41:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-07 07:41:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-07 07:41:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_misc_lock_of_ns83820 [2019-10-07 07:41:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2019-10-07 07:41:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_misc_lock_of_ns83820 [2019-10-07 07:41:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_misc_lock_of_ns83820 [2019-10-07 07:41:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_misc_lock_of_ns83820 [2019-10-07 07:41:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_misc_lock_of_ns83820 [2019-10-07 07:41:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_misc_lock_of_ns83820 [2019-10-07 07:41:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_misc_lock_of_ns83820 [2019-10-07 07:41:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-07 07:41:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-07 07:41:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-07 07:41:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-07 07:41:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-07 07:41:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-07 07:41:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-07 07:41:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-07 07:41:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-10-07 07:41:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-10-07 07:41:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-10-07 07:41:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-10-07 07:41:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-10-07 07:41:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-10-07 07:41:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-10-07 07:41:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-10-07 07:41:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-07 07:41:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-07 07:41:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-07 07:41:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-07 07:41:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-07 07:41:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-07 07:41:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-07 07:41:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-07 07:41:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-07 07:41:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-07 07:41:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-07 07:41:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-07 07:41:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-07 07:41:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-07 07:41:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-07 07:41:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-07 07:41:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_ns83820 [2019-10-07 07:41:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2019-10-07 07:41:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_lock_of_ns83820 [2019-10-07 07:41:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_lock_of_ns83820 [2019-10-07 07:41:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_lock_of_ns83820 [2019-10-07 07:41:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_lock_of_ns83820 [2019-10-07 07:41:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_lock_of_ns83820 [2019-10-07 07:41:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_lock_of_ns83820 [2019-10-07 07:41:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 07:41:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-10-07 07:41:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-07 07:41:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-07 07:41:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-07 07:41:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-07 07:41:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-07 07:41:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-07 07:41:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2019-10-07 07:41:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-10-07 07:41:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-07 07:41:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-07 07:41:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-07 07:41:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 07:41:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-10-07 07:41:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-07 07:41:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 07:41:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-07 07:41:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 07:41:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-07 07:41:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 07:41:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-07 07:41:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-10-07 07:41:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-10-07 07:41:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-10-07 07:41:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-10-07 07:41:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-07 07:41:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_name [2019-10-07 07:41:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2019-10-07 07:41:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-07 07:41:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2019-10-07 07:41:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-07 07:41:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-07 07:41:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-07 07:41:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-07 07:41:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-07 07:41:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-07 07:41:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-07 07:41:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-07 07:41:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-07 07:41:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-10-07 07:41:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-07 07:41:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-07 07:41:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 07:41:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 07:41:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2019-10-07 07:41:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2019-10-07 07:41:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2019-10-07 07:41:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-07 07:41:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-07 07:41:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-07 07:41:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-07 07:41:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-10-07 07:41:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-07 07:41:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-07 07:41:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-07 07:41:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-07 07:41:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 07:41:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-07 07:41:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2019-10-07 07:41:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-07 07:41:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-10-07 07:41:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-10-07 07:41:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-07 07:41:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2019-10-07 07:41:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-07 07:41:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-07 07:41:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2019-10-07 07:41:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-10-07 07:41:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-07 07:41:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 07:41:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 07:41:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 07:41:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 07:41:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 07:41:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_prefetch [2019-10-07 07:41:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 07:41:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-07 07:41:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-07 07:41:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 07:41:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 07:41:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 07:41:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-07 07:41:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-07 07:41:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-07 07:41:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 07:41:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-07 07:41:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 07:41:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-07 07:41:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 07:41:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-07 07:41:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 07:41:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-07 07:41:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 07:41:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-07 07:41:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-07 07:41:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-07 07:41:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-07 07:41:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-07 07:41:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2019-10-07 07:41:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_60 [2019-10-07 07:41:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_61 [2019-10-07 07:41:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_68 [2019-10-07 07:41:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_70 [2019-10-07 07:41:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_82 [2019-10-07 07:41:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_84 [2019-10-07 07:41:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_86 [2019-10-07 07:41:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_88 [2019-10-07 07:41:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_90 [2019-10-07 07:41:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_95 [2019-10-07 07:41:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rx_info [2019-10-07 07:41:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rx_info [2019-10-07 07:41:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_misc_lock_of_ns83820 [2019-10-07 07:41:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2019-10-07 07:41:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_ns83820 [2019-10-07 07:41:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2019-10-07 07:41:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 07:41:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-07 07:41:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2019-10-07 07:41:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-07 07:41:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-07 07:41:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 07:41:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2019-10-07 07:41:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2019-10-07 07:41:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-07 07:41:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 07:41:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 07:41:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-07 07:41:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-07 07:41:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-07 07:41:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 07:41:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 07:41:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-07 07:41:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 07:41:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-07 07:41:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 07:41:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 07:41:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 07:41:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_65 [2019-10-07 07:41:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2019-10-07 07:41:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-07 07:41:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_64 [2019-10-07 07:41:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_72 [2019-10-07 07:41:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_74 [2019-10-07 07:41:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 07:41:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_66 [2019-10-07 07:41:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2019-10-07 07:41:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-07 07:41:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_67 [2019-10-07 07:41:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_73 [2019-10-07 07:41:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_75 [2019-10-07 07:41:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 07:41:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2019-10-07 07:41:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2019-10-07 07:41:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2019-10-07 07:41:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-07 07:41:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-07 07:41:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_97 [2019-10-07 07:41:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_98 [2019-10-07 07:41:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-07 07:41:22,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_92 [2019-10-07 07:41:22,386 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-07 07:41:22,389 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-07 07:41:22,389 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-07 07:41:22,389 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-07 07:41:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-07 07:41:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-07 07:41:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-07 07:41:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-07 07:41:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-07 07:41:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-07 07:41:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2019-10-07 07:41:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_59 [2019-10-07 07:41:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-07 07:41:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-07 07:41:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-07 07:41:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-07 07:41:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2019-10-07 07:41:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-07 07:41:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-07 07:41:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-07 07:41:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-10-07 07:41:22,392 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-10-07 07:41:22,392 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-10-07 07:41:22,392 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-10-07 07:41:22,392 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-10-07 07:41:22,392 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-07 07:41:22,392 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-10-07 07:41:22,392 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 07:41:22,392 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-10-07 07:41:22,392 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 07:41:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2019-10-07 07:41:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2019-10-07 07:41:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2019-10-07 07:41:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-10-07 07:41:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-10-07 07:41:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-07 07:41:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-07 07:41:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-07 07:41:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 07:41:22,394 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 07:41:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2019-10-07 07:41:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-10-07 07:41:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-07 07:41:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-07 07:41:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-07 07:41:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 07:41:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2019-10-07 07:41:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-10-07 07:41:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2019-10-07 07:41:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2019-10-07 07:41:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2019-10-07 07:41:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2019-10-07 07:41:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2019-10-07 07:41:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-07 07:41:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-07 07:41:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_name [2019-10-07 07:41:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2019-10-07 07:41:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice_103 [2019-10-07 07:41:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-07 07:41:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_105 [2019-10-07 07:41:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_108 [2019-10-07 07:41:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-10-07 07:41:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-07 07:41:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-07 07:41:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-07 07:41:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-07 07:41:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-07 07:41:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-07 07:41:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-07 07:41:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-07 07:41:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-07 07:41:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-07 07:41:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-07 07:41:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-07 07:41:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2019-10-07 07:41:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-07 07:41:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_106 [2019-10-07 07:41:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-07 07:41:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-07 07:41:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-07 07:41:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-07 07:41:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_109 [2019-10-07 07:41:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-07 07:41:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_110 [2019-10-07 07:41:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-07 07:41:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-07 07:41:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-10-07 07:41:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-10-07 07:41:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2019-10-07 07:41:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2019-10-07 07:41:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-07 07:41:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-07 07:41:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-07 07:41:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-07 07:41:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-07 07:41:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-07 07:41:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-07 07:41:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_101 [2019-10-07 07:41:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-07 07:41:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-07 07:41:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_102 [2019-10-07 07:41:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-07 07:41:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_104 [2019-10-07 07:41:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_107 [2019-10-07 07:41:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-10-07 07:41:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-10-07 07:41:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-10-07 07:41:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2019-10-07 07:41:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-10-07 07:41:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-10-07 07:41:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2019-10-07 07:41:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2019-10-07 07:41:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2019-10-07 07:41:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2019-10-07 07:41:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_add_rx_skb [2019-10-07 07:41:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2019-10-07 07:41:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill_atomic [2019-10-07 07:41:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure queue_refill [2019-10-07 07:41:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2019-10-07 07:41:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2019-10-07 07:41:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 07:41:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_setup_rx [2019-10-07 07:41:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_cleanup_rx [2019-10-07 07:41:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2019-10-07 07:41:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2019-10-07 07:41:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure rx_action [2019-10-07 07:41:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2019-10-07 07:41:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2019-10-07 07:41:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_cleanup_tx [2019-10-07 07:41:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 07:41:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_hard_start_xmit [2019-10-07 07:41:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2019-10-07 07:41:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_stats [2019-10-07 07:41:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_settings [2019-10-07 07:41:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_settings [2019-10-07 07:41:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_drvinfo [2019-10-07 07:41:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_get_link [2019-10-07 07:41:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2019-10-07 07:41:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_mib_isr [2019-10-07 07:41:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_isr [2019-10-07 07:41:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_irq [2019-10-07 07:41:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2019-10-07 07:41:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2019-10-07 07:41:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2019-10-07 07:41:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_watch [2019-10-07 07:41:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_open [2019-10-07 07:41:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_getmac [2019-10-07 07:41:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_change_mtu [2019-10-07 07:41:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2019-10-07 07:41:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2019-10-07 07:41:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_init_one [2019-10-07 07:41:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_remove_one [2019-10-07 07:41:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_init [2019-10-07 07:41:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_exit [2019-10-07 07:41:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ns83820_exit_14_2 [2019-10-07 07:41:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_ns83820_init_14_7 [2019-10-07 07:41:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2019-10-07 07:41:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2019-10-07 07:41:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-10-07 07:41:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2019-10-07 07:41:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_10_1 [2019-10-07 07:41:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_12_1 [2019-10-07 07:41:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_5_1 [2019-10-07 07:41:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_8_2 [2019-10-07 07:41:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_6_1 [2019-10-07 07:41:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_9_2 [2019-10-07 07:41:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_2 [2019-10-07 07:41:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2019-10-07 07:41:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-10-07 07:41:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_13 [2019-10-07 07:41:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_14 [2019-10-07 07:41:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-10-07 07:41:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2019-10-07 07:41:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2019-10-07 07:41:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_18 [2019-10-07 07:41:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_19 [2019-10-07 07:41:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 07:41:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-10-07 07:41:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_8 [2019-10-07 07:41:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-10-07 07:41:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_14 [2019-10-07 07:41:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 07:41:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2019-10-07 07:41:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2019-10-07 07:41:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-10-07 07:41:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2019-10-07 07:41:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2019-10-07 07:41:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2019-10-07 07:41:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2019-10-07 07:41:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2019-10-07 07:41:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_2_17 [2019-10-07 07:41:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_2_2 [2019-10-07 07:41:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_2_5 [2019-10-07 07:41:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_2_6 [2019-10-07 07:41:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_2_3 [2019-10-07 07:41:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_2_8 [2019-10-07 07:41:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_2_7 [2019-10-07 07:41:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_2 [2019-10-07 07:41:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2019-10-07 07:41:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice [2019-10-07 07:41:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2019-10-07 07:41:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-10-07 07:41:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-10-07 07:41:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-10-07 07:41:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2019-10-07 07:41:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-10-07 07:41:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2019-10-07 07:41:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_11 [2019-10-07 07:41:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_20 [2019-10-07 07:41:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-10-07 07:41:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_3 [2019-10-07 07:41:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2019-10-07 07:41:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2019-10-07 07:41:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2019-10-07 07:41:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_10_2 [2019-10-07 07:41:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2019-10-07 07:41:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-07 07:41:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 07:41:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2019-10-07 07:41:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-07 07:41:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-07 07:41:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 07:41:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-07 07:41:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 07:41:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 07:41:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 07:41:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 07:41:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-07 07:41:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 07:41:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-07 07:41:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-07 07:41:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-07 07:41:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 07:41:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 07:41:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-07 07:41:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-07 07:41:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-07 07:41:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-07 07:41:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-07 07:41:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 07:41:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 07:41:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 07:41:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 07:41:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 07:41:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 07:41:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 07:41:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-07 07:41:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-07 07:41:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 07:41:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 07:41:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 07:41:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-07 07:41:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-07 07:41:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-07 07:41:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-07 07:41:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-07 07:41:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-07 07:41:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-07 07:41:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-07 07:41:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-07 07:41:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-07 07:41:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-07 07:41:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-07 07:41:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-07 07:41:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-07 07:41:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-07 07:41:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-07 07:41:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-07 07:41:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-07 07:41:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-07 07:41:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-07 07:41:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-07 07:41:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-07 07:41:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-07 07:41:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-07 07:41:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-07 07:41:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-07 07:41:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-07 07:41:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-07 07:41:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-07 07:41:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-07 07:41:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-07 07:41:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-07 07:41:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-10-07 07:41:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-07 07:41:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-07 07:41:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-07 07:41:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-07 07:41:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-07 07:41:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-07 07:41:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-07 07:41:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-10-07 07:41:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-10-07 07:41:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-10-07 07:41:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-10-07 07:41:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-10-07 07:41:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-10-07 07:41:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-10-07 07:41:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-10-07 07:41:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:41:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-07 07:41:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-07 07:41:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-07 07:41:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-07 07:41:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:41:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-07 07:41:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:41:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_rx_info [2019-10-07 07:41:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_rx_info [2019-10-07 07:41:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_rx_info [2019-10-07 07:41:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_rx_info [2019-10-07 07:41:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_rx_info [2019-10-07 07:41:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_rx_info [2019-10-07 07:41:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-07 07:41:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-07 07:41:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-07 07:41:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-07 07:41:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-07 07:41:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-07 07:41:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-07 07:41:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-07 07:41:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_misc_lock_of_ns83820 [2019-10-07 07:41:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_misc_lock_of_ns83820 [2019-10-07 07:41:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_misc_lock_of_ns83820 [2019-10-07 07:41:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_misc_lock_of_ns83820 [2019-10-07 07:41:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_misc_lock_of_ns83820 [2019-10-07 07:41:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_misc_lock_of_ns83820 [2019-10-07 07:41:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-07 07:41:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-07 07:41:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-07 07:41:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-07 07:41:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-07 07:41:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-07 07:41:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-07 07:41:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-07 07:41:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-10-07 07:41:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-10-07 07:41:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-10-07 07:41:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-10-07 07:41:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-10-07 07:41:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-10-07 07:41:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-10-07 07:41:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-10-07 07:41:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-07 07:41:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-07 07:41:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-07 07:41:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-07 07:41:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-07 07:41:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-07 07:41:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-07 07:41:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-07 07:41:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-07 07:41:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-07 07:41:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-07 07:41:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-07 07:41:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-07 07:41:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-07 07:41:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-07 07:41:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-07 07:41:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_lock_of_ns83820 [2019-10-07 07:41:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_lock_of_ns83820 [2019-10-07 07:41:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_lock_of_ns83820 [2019-10-07 07:41:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_lock_of_ns83820 [2019-10-07 07:41:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_lock_of_ns83820 [2019-10-07 07:41:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_lock_of_ns83820 [2019-10-07 07:41:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-10-07 07:41:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 07:41:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 07:41:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-07 07:41:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 07:41:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-07 07:41:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 07:41:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 07:41:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 07:41:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 07:41:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 07:41:25,411 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-10-07 07:41:26,069 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 07:41:32,399 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 07:41:32,400 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 07:41:32,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 07:41:32 BoogieIcfgContainer [2019-10-07 07:41:32,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 07:41:32,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 07:41:32,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 07:41:32,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 07:41:32,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 07:41:16" (1/3) ... [2019-10-07 07:41:32,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e5f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 07:41:32, skipping insertion in model container [2019-10-07 07:41:32,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:41:21" (2/3) ... [2019-10-07 07:41:32,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e5f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 07:41:32, skipping insertion in model container [2019-10-07 07:41:32,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 07:41:32" (3/3) ... [2019-10-07 07:41:32,410 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2019-10-07 07:41:32,420 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 07:41:32,429 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-07 07:41:32,438 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-07 07:41:32,474 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 07:41:32,474 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 07:41:32,474 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 07:41:32,475 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 07:41:32,475 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 07:41:32,475 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 07:41:32,475 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 07:41:32,475 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 07:41:32,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states. [2019-10-07 07:41:32,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-07 07:41:32,553 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:41:32,555 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:41:32,558 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 07:41:32,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:41:32,564 INFO L82 PathProgramCache]: Analyzing trace with hash -708072908, now seen corresponding path program 1 times [2019-10-07 07:41:32,573 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:41:32,573 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:32,574 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:32,574 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:32,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:41:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:41:33,348 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-10-07 07:41:33,349 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:33,349 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:41:33,349 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:41:33,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:41:33,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:41:33,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:41:33,371 INFO L87 Difference]: Start difference. First operand 2449 states. Second operand 3 states. [2019-10-07 07:41:33,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:41:33,793 INFO L93 Difference]: Finished difference Result 6137 states and 8110 transitions. [2019-10-07 07:41:33,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:41:33,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2019-10-07 07:41:33,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:41:33,856 INFO L225 Difference]: With dead ends: 6137 [2019-10-07 07:41:33,857 INFO L226 Difference]: Without dead ends: 4060 [2019-10-07 07:41:33,879 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 07:41:33,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4060 states. [2019-10-07 07:41:34,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4060 to 4036. [2019-10-07 07:41:34,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4036 states. [2019-10-07 07:41:34,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4036 states to 4036 states and 5140 transitions. [2019-10-07 07:41:34,310 INFO L78 Accepts]: Start accepts. Automaton has 4036 states and 5140 transitions. Word has length 89 [2019-10-07 07:41:34,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:41:34,311 INFO L462 AbstractCegarLoop]: Abstraction has 4036 states and 5140 transitions. [2019-10-07 07:41:34,311 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:41:34,311 INFO L276 IsEmpty]: Start isEmpty. Operand 4036 states and 5140 transitions. [2019-10-07 07:41:34,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-07 07:41:34,329 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:41:34,330 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:41:34,330 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 07:41:34,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:41:34,330 INFO L82 PathProgramCache]: Analyzing trace with hash 630525495, now seen corresponding path program 1 times [2019-10-07 07:41:34,331 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:41:34,331 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:34,331 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:34,331 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:34,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:41:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:41:35,502 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-10-07 07:41:35,502 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:35,503 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:41:35,503 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:41:35,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:41:35,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:41:35,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:41:35,506 INFO L87 Difference]: Start difference. First operand 4036 states and 5140 transitions. Second operand 3 states. [2019-10-07 07:41:36,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:41:36,175 INFO L93 Difference]: Finished difference Result 11328 states and 14434 transitions. [2019-10-07 07:41:36,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:41:36,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2019-10-07 07:41:36,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:41:36,243 INFO L225 Difference]: With dead ends: 11328 [2019-10-07 07:41:36,244 INFO L226 Difference]: Without dead ends: 7326 [2019-10-07 07:41:36,269 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 07:41:36,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7326 states. [2019-10-07 07:41:36,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7326 to 7284. [2019-10-07 07:41:36,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7284 states. [2019-10-07 07:41:36,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7284 states to 7284 states and 9264 transitions. [2019-10-07 07:41:36,659 INFO L78 Accepts]: Start accepts. Automaton has 7284 states and 9264 transitions. Word has length 108 [2019-10-07 07:41:36,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:41:36,662 INFO L462 AbstractCegarLoop]: Abstraction has 7284 states and 9264 transitions. [2019-10-07 07:41:36,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:41:36,662 INFO L276 IsEmpty]: Start isEmpty. Operand 7284 states and 9264 transitions. [2019-10-07 07:41:36,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-07 07:41:36,665 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:41:36,666 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:41:36,666 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 07:41:36,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:41:36,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1419290762, now seen corresponding path program 1 times [2019-10-07 07:41:36,667 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:41:36,667 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:36,667 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:36,667 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:36,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:41:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:41:36,907 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-10-07 07:41:36,907 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:36,907 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:41:36,908 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:41:36,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:41:36,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:41:36,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:41:36,910 INFO L87 Difference]: Start difference. First operand 7284 states and 9264 transitions. Second operand 3 states. [2019-10-07 07:41:37,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:41:37,633 INFO L93 Difference]: Finished difference Result 18991 states and 24245 transitions. [2019-10-07 07:41:37,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:41:37,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2019-10-07 07:41:37,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:41:37,726 INFO L225 Difference]: With dead ends: 18991 [2019-10-07 07:41:37,726 INFO L226 Difference]: Without dead ends: 11741 [2019-10-07 07:41:37,988 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 07:41:38,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11741 states. [2019-10-07 07:41:38,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11741 to 11700. [2019-10-07 07:41:38,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11700 states. [2019-10-07 07:41:38,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11700 states to 11700 states and 14896 transitions. [2019-10-07 07:41:38,565 INFO L78 Accepts]: Start accepts. Automaton has 11700 states and 14896 transitions. Word has length 109 [2019-10-07 07:41:38,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:41:38,566 INFO L462 AbstractCegarLoop]: Abstraction has 11700 states and 14896 transitions. [2019-10-07 07:41:38,566 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:41:38,566 INFO L276 IsEmpty]: Start isEmpty. Operand 11700 states and 14896 transitions. [2019-10-07 07:41:38,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-10-07 07:41:38,574 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:41:38,575 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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] [2019-10-07 07:41:38,575 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 07:41:38,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:41:38,576 INFO L82 PathProgramCache]: Analyzing trace with hash 622934944, now seen corresponding path program 1 times [2019-10-07 07:41:38,576 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:41:38,576 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:38,576 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:38,576 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:38,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:41:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:41:38,794 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-10-07 07:41:38,794 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:38,794 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:41:38,794 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:41:38,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:41:38,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:41:38,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:41:38,796 INFO L87 Difference]: Start difference. First operand 11700 states and 14896 transitions. Second operand 3 states. [2019-10-07 07:41:39,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:41:39,877 INFO L93 Difference]: Finished difference Result 33476 states and 42750 transitions. [2019-10-07 07:41:39,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:41:39,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2019-10-07 07:41:39,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:41:40,030 INFO L225 Difference]: With dead ends: 33476 [2019-10-07 07:41:40,031 INFO L226 Difference]: Without dead ends: 21810 [2019-10-07 07:41:40,084 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 07:41:40,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21810 states. [2019-10-07 07:41:40,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21810 to 21736. [2019-10-07 07:41:40,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21736 states. [2019-10-07 07:41:41,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21736 states to 21736 states and 27772 transitions. [2019-10-07 07:41:41,019 INFO L78 Accepts]: Start accepts. Automaton has 21736 states and 27772 transitions. Word has length 120 [2019-10-07 07:41:41,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:41:41,021 INFO L462 AbstractCegarLoop]: Abstraction has 21736 states and 27772 transitions. [2019-10-07 07:41:41,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:41:41,021 INFO L276 IsEmpty]: Start isEmpty. Operand 21736 states and 27772 transitions. [2019-10-07 07:41:41,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-10-07 07:41:41,024 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:41:41,024 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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] [2019-10-07 07:41:41,025 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 07:41:41,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:41:41,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1077365767, now seen corresponding path program 1 times [2019-10-07 07:41:41,025 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:41:41,025 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:41,026 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:41,026 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:41,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:41:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:41:42,173 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-10-07 07:41:42,173 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:42,174 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:41:42,174 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:41:42,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:41:42,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:41:42,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:41:42,176 INFO L87 Difference]: Start difference. First operand 21736 states and 27772 transitions. Second operand 3 states. [2019-10-07 07:41:43,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:41:43,390 INFO L93 Difference]: Finished difference Result 61546 states and 78612 transitions. [2019-10-07 07:41:43,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:41:43,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2019-10-07 07:41:43,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:41:43,598 INFO L225 Difference]: With dead ends: 61546 [2019-10-07 07:41:43,598 INFO L226 Difference]: Without dead ends: 39844 [2019-10-07 07:41:43,709 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 07:41:43,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39844 states. [2019-10-07 07:41:45,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39844 to 39754. [2019-10-07 07:41:45,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39754 states. [2019-10-07 07:41:45,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39754 states to 39754 states and 50686 transitions. [2019-10-07 07:41:45,805 INFO L78 Accepts]: Start accepts. Automaton has 39754 states and 50686 transitions. Word has length 120 [2019-10-07 07:41:45,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:41:45,806 INFO L462 AbstractCegarLoop]: Abstraction has 39754 states and 50686 transitions. [2019-10-07 07:41:45,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:41:45,806 INFO L276 IsEmpty]: Start isEmpty. Operand 39754 states and 50686 transitions. [2019-10-07 07:41:45,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-07 07:41:45,808 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:41:45,808 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:41:45,808 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 07:41:45,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:41:45,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1157689069, now seen corresponding path program 1 times [2019-10-07 07:41:45,809 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:41:45,809 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:45,809 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:45,810 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:45,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:41:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:41:45,971 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-10-07 07:41:45,972 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:45,972 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:41:45,972 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:41:45,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:41:45,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:41:45,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:41:45,973 INFO L87 Difference]: Start difference. First operand 39754 states and 50686 transitions. Second operand 3 states. [2019-10-07 07:41:46,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:41:46,790 INFO L93 Difference]: Finished difference Result 40268 states and 51255 transitions. [2019-10-07 07:41:46,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:41:46,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2019-10-07 07:41:46,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:41:46,966 INFO L225 Difference]: With dead ends: 40268 [2019-10-07 07:41:46,967 INFO L226 Difference]: Without dead ends: 39871 [2019-10-07 07:41:46,998 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 07:41:47,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39871 states. [2019-10-07 07:41:49,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39871 to 39442. [2019-10-07 07:41:49,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39442 states. [2019-10-07 07:41:49,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39442 states to 39442 states and 50265 transitions. [2019-10-07 07:41:49,773 INFO L78 Accepts]: Start accepts. Automaton has 39442 states and 50265 transitions. Word has length 121 [2019-10-07 07:41:49,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:41:49,774 INFO L462 AbstractCegarLoop]: Abstraction has 39442 states and 50265 transitions. [2019-10-07 07:41:49,774 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:41:49,775 INFO L276 IsEmpty]: Start isEmpty. Operand 39442 states and 50265 transitions. [2019-10-07 07:41:49,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-07 07:41:49,778 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:41:49,778 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 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] [2019-10-07 07:41:49,778 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 07:41:49,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:41:49,779 INFO L82 PathProgramCache]: Analyzing trace with hash 11112787, now seen corresponding path program 1 times [2019-10-07 07:41:49,779 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:41:49,779 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:49,780 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:49,780 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:49,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:41:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:41:50,017 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2019-10-07 07:41:50,017 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:50,018 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:41:50,018 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:41:50,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:41:50,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:41:50,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:41:50,020 INFO L87 Difference]: Start difference. First operand 39442 states and 50265 transitions. Second operand 5 states. [2019-10-07 07:41:51,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:41:51,175 INFO L93 Difference]: Finished difference Result 39448 states and 50270 transitions. [2019-10-07 07:41:51,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:41:51,176 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2019-10-07 07:41:51,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:41:51,297 INFO L225 Difference]: With dead ends: 39448 [2019-10-07 07:41:51,297 INFO L226 Difference]: Without dead ends: 39446 [2019-10-07 07:41:51,313 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 07:41:51,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39446 states. [2019-10-07 07:41:53,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39446 to 39446. [2019-10-07 07:41:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39446 states. [2019-10-07 07:41:53,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39446 states to 39446 states and 50268 transitions. [2019-10-07 07:41:53,827 INFO L78 Accepts]: Start accepts. Automaton has 39446 states and 50268 transitions. Word has length 153 [2019-10-07 07:41:53,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:41:53,828 INFO L462 AbstractCegarLoop]: Abstraction has 39446 states and 50268 transitions. [2019-10-07 07:41:53,828 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:41:53,828 INFO L276 IsEmpty]: Start isEmpty. Operand 39446 states and 50268 transitions. [2019-10-07 07:41:53,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-07 07:41:53,830 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:41:53,831 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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] [2019-10-07 07:41:53,831 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 07:41:53,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:41:53,831 INFO L82 PathProgramCache]: Analyzing trace with hash 956234072, now seen corresponding path program 1 times [2019-10-07 07:41:53,832 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:41:53,832 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:53,832 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:53,832 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:53,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:41:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:41:54,026 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2019-10-07 07:41:54,026 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:54,027 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:41:54,027 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:41:54,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:41:54,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:41:54,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:41:54,029 INFO L87 Difference]: Start difference. First operand 39446 states and 50268 transitions. Second operand 5 states. [2019-10-07 07:41:54,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:41:54,752 INFO L93 Difference]: Finished difference Result 39452 states and 50273 transitions. [2019-10-07 07:41:54,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:41:54,752 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2019-10-07 07:41:54,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:41:54,873 INFO L225 Difference]: With dead ends: 39452 [2019-10-07 07:41:54,873 INFO L226 Difference]: Without dead ends: 39450 [2019-10-07 07:41:54,892 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:41:54,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39450 states. [2019-10-07 07:41:56,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39450 to 39450. [2019-10-07 07:41:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39450 states. [2019-10-07 07:41:56,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39450 states to 39450 states and 50271 transitions. [2019-10-07 07:41:56,195 INFO L78 Accepts]: Start accepts. Automaton has 39450 states and 50271 transitions. Word has length 158 [2019-10-07 07:41:56,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:41:56,196 INFO L462 AbstractCegarLoop]: Abstraction has 39450 states and 50271 transitions. [2019-10-07 07:41:56,196 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:41:56,196 INFO L276 IsEmpty]: Start isEmpty. Operand 39450 states and 50271 transitions. [2019-10-07 07:41:56,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-07 07:41:56,199 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:41:56,200 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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] [2019-10-07 07:41:56,200 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 07:41:56,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:41:56,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1852826675, now seen corresponding path program 1 times [2019-10-07 07:41:56,201 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:41:56,201 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:56,201 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:56,201 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:41:56,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:41:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:41:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2019-10-07 07:41:56,397 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:41:56,398 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:41:56,398 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:41:56,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:41:56,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:41:56,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:41:56,404 INFO L87 Difference]: Start difference. First operand 39450 states and 50271 transitions. Second operand 5 states. [2019-10-07 07:41:57,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:41:57,737 INFO L93 Difference]: Finished difference Result 39456 states and 50276 transitions. [2019-10-07 07:41:57,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:41:57,738 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 163 [2019-10-07 07:41:57,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:41:57,843 INFO L225 Difference]: With dead ends: 39456 [2019-10-07 07:41:57,843 INFO L226 Difference]: Without dead ends: 39454 [2019-10-07 07:41:57,860 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:41:57,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39454 states. [2019-10-07 07:42:00,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39454 to 39454. [2019-10-07 07:42:00,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39454 states. [2019-10-07 07:42:00,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39454 states to 39454 states and 50274 transitions. [2019-10-07 07:42:00,482 INFO L78 Accepts]: Start accepts. Automaton has 39454 states and 50274 transitions. Word has length 163 [2019-10-07 07:42:00,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:42:00,483 INFO L462 AbstractCegarLoop]: Abstraction has 39454 states and 50274 transitions. [2019-10-07 07:42:00,483 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:42:00,483 INFO L276 IsEmpty]: Start isEmpty. Operand 39454 states and 50274 transitions. [2019-10-07 07:42:00,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-07 07:42:00,488 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:42:00,488 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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] [2019-10-07 07:42:00,489 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 07:42:00,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:42:00,489 INFO L82 PathProgramCache]: Analyzing trace with hash -489446920, now seen corresponding path program 1 times [2019-10-07 07:42:00,490 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:42:00,490 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:00,490 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:00,490 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:00,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:42:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:42:00,681 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2019-10-07 07:42:00,682 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:00,682 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:42:00,682 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:42:00,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:42:00,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:42:00,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:42:00,683 INFO L87 Difference]: Start difference. First operand 39454 states and 50274 transitions. Second operand 5 states. [2019-10-07 07:42:01,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:42:01,514 INFO L93 Difference]: Finished difference Result 39460 states and 50279 transitions. [2019-10-07 07:42:01,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:42:01,514 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2019-10-07 07:42:01,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:42:01,633 INFO L225 Difference]: With dead ends: 39460 [2019-10-07 07:42:01,633 INFO L226 Difference]: Without dead ends: 39458 [2019-10-07 07:42:01,655 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:42:01,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39458 states. [2019-10-07 07:42:02,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39458 to 39458. [2019-10-07 07:42:02,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39458 states. [2019-10-07 07:42:02,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39458 states to 39458 states and 50277 transitions. [2019-10-07 07:42:02,938 INFO L78 Accepts]: Start accepts. Automaton has 39458 states and 50277 transitions. Word has length 168 [2019-10-07 07:42:02,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:42:02,939 INFO L462 AbstractCegarLoop]: Abstraction has 39458 states and 50277 transitions. [2019-10-07 07:42:02,939 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:42:02,939 INFO L276 IsEmpty]: Start isEmpty. Operand 39458 states and 50277 transitions. [2019-10-07 07:42:02,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-07 07:42:02,942 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:42:02,943 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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] [2019-10-07 07:42:02,943 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 07:42:02,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:42:02,943 INFO L82 PathProgramCache]: Analyzing trace with hash -2004496621, now seen corresponding path program 1 times [2019-10-07 07:42:02,944 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:42:02,944 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:02,944 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:02,944 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:02,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:42:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:42:03,125 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2019-10-07 07:42:03,125 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:03,126 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:42:03,126 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:42:03,127 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:42:03,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:42:03,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:42:03,127 INFO L87 Difference]: Start difference. First operand 39458 states and 50277 transitions. Second operand 5 states. [2019-10-07 07:42:04,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:42:04,284 INFO L93 Difference]: Finished difference Result 39464 states and 50282 transitions. [2019-10-07 07:42:04,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:42:04,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 173 [2019-10-07 07:42:04,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:42:04,392 INFO L225 Difference]: With dead ends: 39464 [2019-10-07 07:42:04,393 INFO L226 Difference]: Without dead ends: 39462 [2019-10-07 07:42:04,404 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:42:04,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39462 states. [2019-10-07 07:42:05,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39462 to 39462. [2019-10-07 07:42:05,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39462 states. [2019-10-07 07:42:05,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39462 states to 39462 states and 50280 transitions. [2019-10-07 07:42:05,485 INFO L78 Accepts]: Start accepts. Automaton has 39462 states and 50280 transitions. Word has length 173 [2019-10-07 07:42:05,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:42:05,486 INFO L462 AbstractCegarLoop]: Abstraction has 39462 states and 50280 transitions. [2019-10-07 07:42:05,486 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:42:05,486 INFO L276 IsEmpty]: Start isEmpty. Operand 39462 states and 50280 transitions. [2019-10-07 07:42:05,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-07 07:42:05,490 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:42:05,490 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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] [2019-10-07 07:42:05,490 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 07:42:05,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:42:05,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1705528680, now seen corresponding path program 1 times [2019-10-07 07:42:05,491 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:42:05,491 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:05,491 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:05,491 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:05,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:42:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:42:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-10-07 07:42:05,665 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:05,666 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:42:05,666 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:42:05,666 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:42:05,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:42:05,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:42:05,667 INFO L87 Difference]: Start difference. First operand 39462 states and 50280 transitions. Second operand 5 states. [2019-10-07 07:42:07,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:42:07,243 INFO L93 Difference]: Finished difference Result 39468 states and 50285 transitions. [2019-10-07 07:42:07,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:42:07,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 178 [2019-10-07 07:42:07,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:42:07,349 INFO L225 Difference]: With dead ends: 39468 [2019-10-07 07:42:07,349 INFO L226 Difference]: Without dead ends: 39466 [2019-10-07 07:42:07,367 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:42:07,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39466 states. [2019-10-07 07:42:08,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39466 to 39466. [2019-10-07 07:42:08,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39466 states. [2019-10-07 07:42:08,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39466 states to 39466 states and 50283 transitions. [2019-10-07 07:42:08,945 INFO L78 Accepts]: Start accepts. Automaton has 39466 states and 50283 transitions. Word has length 178 [2019-10-07 07:42:08,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:42:08,946 INFO L462 AbstractCegarLoop]: Abstraction has 39466 states and 50283 transitions. [2019-10-07 07:42:08,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:42:08,946 INFO L276 IsEmpty]: Start isEmpty. Operand 39466 states and 50283 transitions. [2019-10-07 07:42:08,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-07 07:42:08,949 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:42:08,950 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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] [2019-10-07 07:42:08,950 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 07:42:08,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:42:08,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1684039905, now seen corresponding path program 1 times [2019-10-07 07:42:08,951 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:42:08,951 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:08,951 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:08,951 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:08,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:42:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:42:09,169 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2019-10-07 07:42:09,169 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:09,170 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:42:09,170 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:42:09,171 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:42:09,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:42:09,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:42:09,173 INFO L87 Difference]: Start difference. First operand 39466 states and 50283 transitions. Second operand 3 states. [2019-10-07 07:42:10,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:42:10,873 INFO L93 Difference]: Finished difference Result 94457 states and 120283 transitions. [2019-10-07 07:42:10,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:42:10,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-10-07 07:42:10,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:42:11,103 INFO L225 Difference]: With dead ends: 94457 [2019-10-07 07:42:11,103 INFO L226 Difference]: Without dead ends: 55025 [2019-10-07 07:42:11,212 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 07:42:13,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55025 states. [2019-10-07 07:42:14,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55025 to 54920. [2019-10-07 07:42:14,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54920 states. [2019-10-07 07:42:14,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54920 states to 54920 states and 69863 transitions. [2019-10-07 07:42:14,787 INFO L78 Accepts]: Start accepts. Automaton has 54920 states and 69863 transitions. Word has length 185 [2019-10-07 07:42:14,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:42:14,787 INFO L462 AbstractCegarLoop]: Abstraction has 54920 states and 69863 transitions. [2019-10-07 07:42:14,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:42:14,787 INFO L276 IsEmpty]: Start isEmpty. Operand 54920 states and 69863 transitions. [2019-10-07 07:42:14,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-07 07:42:14,790 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:42:14,791 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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] [2019-10-07 07:42:14,791 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 07:42:14,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:42:14,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1112363507, now seen corresponding path program 1 times [2019-10-07 07:42:14,792 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:42:14,792 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:14,792 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:14,792 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:14,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:42:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:42:14,964 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2019-10-07 07:42:14,964 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:14,964 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:42:14,964 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:42:14,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:42:14,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:42:14,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:42:14,965 INFO L87 Difference]: Start difference. First operand 54920 states and 69863 transitions. Second operand 5 states. [2019-10-07 07:42:18,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:42:18,123 INFO L93 Difference]: Finished difference Result 105730 states and 136109 transitions. [2019-10-07 07:42:18,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:42:18,124 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 183 [2019-10-07 07:42:18,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:42:18,468 INFO L225 Difference]: With dead ends: 105730 [2019-10-07 07:42:18,468 INFO L226 Difference]: Without dead ends: 105728 [2019-10-07 07:42:18,504 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 07:42:18,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105728 states. [2019-10-07 07:42:24,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105728 to 105630. [2019-10-07 07:42:24,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105630 states. [2019-10-07 07:42:24,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105630 states to 105630 states and 136012 transitions. [2019-10-07 07:42:24,700 INFO L78 Accepts]: Start accepts. Automaton has 105630 states and 136012 transitions. Word has length 183 [2019-10-07 07:42:24,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:42:24,700 INFO L462 AbstractCegarLoop]: Abstraction has 105630 states and 136012 transitions. [2019-10-07 07:42:24,700 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:42:24,701 INFO L276 IsEmpty]: Start isEmpty. Operand 105630 states and 136012 transitions. [2019-10-07 07:42:24,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-07 07:42:24,704 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:42:24,704 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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] [2019-10-07 07:42:24,705 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 07:42:24,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:42:24,705 INFO L82 PathProgramCache]: Analyzing trace with hash 963193656, now seen corresponding path program 1 times [2019-10-07 07:42:24,705 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:42:24,706 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:24,706 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:24,706 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:24,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:42:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:42:24,882 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2019-10-07 07:42:24,883 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:24,883 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:42:24,883 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:42:24,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:42:24,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:42:24,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:42:24,884 INFO L87 Difference]: Start difference. First operand 105630 states and 136012 transitions. Second operand 5 states. [2019-10-07 07:42:27,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:42:27,688 INFO L93 Difference]: Finished difference Result 105640 states and 136021 transitions. [2019-10-07 07:42:27,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:42:27,689 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 188 [2019-10-07 07:42:27,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:42:28,050 INFO L225 Difference]: With dead ends: 105640 [2019-10-07 07:42:28,050 INFO L226 Difference]: Without dead ends: 105638 [2019-10-07 07:42:28,093 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:42:28,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105638 states. [2019-10-07 07:42:34,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105638 to 105638. [2019-10-07 07:42:34,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105638 states. [2019-10-07 07:42:34,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105638 states to 105638 states and 136018 transitions. [2019-10-07 07:42:34,759 INFO L78 Accepts]: Start accepts. Automaton has 105638 states and 136018 transitions. Word has length 188 [2019-10-07 07:42:34,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:42:34,760 INFO L462 AbstractCegarLoop]: Abstraction has 105638 states and 136018 transitions. [2019-10-07 07:42:34,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:42:34,760 INFO L276 IsEmpty]: Start isEmpty. Operand 105638 states and 136018 transitions. [2019-10-07 07:42:34,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-10-07 07:42:34,763 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:42:34,763 INFO L385 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 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] [2019-10-07 07:42:34,763 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 07:42:34,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:42:34,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1404602508, now seen corresponding path program 1 times [2019-10-07 07:42:34,764 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:42:34,764 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:34,764 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:34,765 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:34,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:42:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:42:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2019-10-07 07:42:34,950 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:34,952 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:42:34,953 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:42:34,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:42:34,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:42:34,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:42:34,954 INFO L87 Difference]: Start difference. First operand 105638 states and 136018 transitions. Second operand 5 states. [2019-10-07 07:42:38,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:42:38,207 INFO L93 Difference]: Finished difference Result 113558 states and 145081 transitions. [2019-10-07 07:42:38,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:42:38,207 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 225 [2019-10-07 07:42:38,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:42:38,591 INFO L225 Difference]: With dead ends: 113558 [2019-10-07 07:42:38,592 INFO L226 Difference]: Without dead ends: 113556 [2019-10-07 07:42:38,643 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 07:42:38,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113556 states. [2019-10-07 07:42:45,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113556 to 113552. [2019-10-07 07:42:45,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113552 states. [2019-10-07 07:42:45,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113552 states to 113552 states and 145076 transitions. [2019-10-07 07:42:45,771 INFO L78 Accepts]: Start accepts. Automaton has 113552 states and 145076 transitions. Word has length 225 [2019-10-07 07:42:45,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:42:45,772 INFO L462 AbstractCegarLoop]: Abstraction has 113552 states and 145076 transitions. [2019-10-07 07:42:45,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:42:45,772 INFO L276 IsEmpty]: Start isEmpty. Operand 113552 states and 145076 transitions. [2019-10-07 07:42:45,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-10-07 07:42:45,777 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:42:45,777 INFO L385 BasicCegarLoop]: trace histogram [10, 9, 9, 8, 8, 8, 8, 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] [2019-10-07 07:42:45,777 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 07:42:45,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:42:45,778 INFO L82 PathProgramCache]: Analyzing trace with hash 2111790015, now seen corresponding path program 1 times [2019-10-07 07:42:45,778 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:42:45,778 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:45,778 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:45,779 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:45,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:42:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:42:45,966 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2019-10-07 07:42:45,967 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:45,967 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:42:45,967 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:42:45,968 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:42:45,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:42:45,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:42:45,968 INFO L87 Difference]: Start difference. First operand 113552 states and 145076 transitions. Second operand 5 states. [2019-10-07 07:42:52,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:42:52,239 INFO L93 Difference]: Finished difference Result 113562 states and 145085 transitions. [2019-10-07 07:42:52,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:42:52,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2019-10-07 07:42:52,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:42:52,554 INFO L225 Difference]: With dead ends: 113562 [2019-10-07 07:42:52,554 INFO L226 Difference]: Without dead ends: 113560 [2019-10-07 07:42:52,592 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:42:52,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113560 states. [2019-10-07 07:42:56,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113560 to 113560. [2019-10-07 07:42:56,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113560 states. [2019-10-07 07:42:57,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113560 states to 113560 states and 145082 transitions. [2019-10-07 07:42:57,024 INFO L78 Accepts]: Start accepts. Automaton has 113560 states and 145082 transitions. Word has length 230 [2019-10-07 07:42:57,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:42:57,025 INFO L462 AbstractCegarLoop]: Abstraction has 113560 states and 145082 transitions. [2019-10-07 07:42:57,025 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:42:57,025 INFO L276 IsEmpty]: Start isEmpty. Operand 113560 states and 145082 transitions. [2019-10-07 07:42:57,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-10-07 07:42:57,029 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:42:57,029 INFO L385 BasicCegarLoop]: trace histogram [11, 10, 10, 8, 8, 8, 8, 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] [2019-10-07 07:42:57,030 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 07:42:57,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:42:57,030 INFO L82 PathProgramCache]: Analyzing trace with hash 556312620, now seen corresponding path program 1 times [2019-10-07 07:42:57,030 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:42:57,030 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:57,031 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:57,031 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:42:57,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:42:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:42:57,234 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2019-10-07 07:42:57,235 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:42:57,235 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:42:57,235 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:42:57,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:42:57,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:42:57,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:42:57,237 INFO L87 Difference]: Start difference. First operand 113560 states and 145082 transitions. Second operand 5 states. [2019-10-07 07:43:01,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:43:01,447 INFO L93 Difference]: Finished difference Result 113570 states and 145091 transitions. [2019-10-07 07:43:01,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:43:01,447 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 235 [2019-10-07 07:43:01,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:43:01,774 INFO L225 Difference]: With dead ends: 113570 [2019-10-07 07:43:01,774 INFO L226 Difference]: Without dead ends: 113568 [2019-10-07 07:43:01,809 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:43:01,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113568 states. [2019-10-07 07:43:09,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113568 to 113568. [2019-10-07 07:43:09,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113568 states. [2019-10-07 07:43:09,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113568 states to 113568 states and 145088 transitions. [2019-10-07 07:43:09,462 INFO L78 Accepts]: Start accepts. Automaton has 113568 states and 145088 transitions. Word has length 235 [2019-10-07 07:43:09,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:43:09,462 INFO L462 AbstractCegarLoop]: Abstraction has 113568 states and 145088 transitions. [2019-10-07 07:43:09,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:43:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 113568 states and 145088 transitions. [2019-10-07 07:43:09,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-10-07 07:43:09,467 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:43:09,468 INFO L385 BasicCegarLoop]: trace histogram [12, 11, 11, 8, 8, 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] [2019-10-07 07:43:09,468 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 07:43:09,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:43:09,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1110201464, now seen corresponding path program 1 times [2019-10-07 07:43:09,469 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:43:09,469 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:43:09,469 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:43:09,469 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:43:09,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:43:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:43:09,647 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2019-10-07 07:43:09,648 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:43:09,648 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:43:09,648 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:43:09,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:43:09,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:43:09,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:43:09,649 INFO L87 Difference]: Start difference. First operand 113568 states and 145088 transitions. Second operand 5 states. [2019-10-07 07:43:13,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:43:13,753 INFO L93 Difference]: Finished difference Result 113578 states and 145097 transitions. [2019-10-07 07:43:13,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:43:13,753 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 208 [2019-10-07 07:43:13,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:43:14,115 INFO L225 Difference]: With dead ends: 113578 [2019-10-07 07:43:14,115 INFO L226 Difference]: Without dead ends: 113576 [2019-10-07 07:43:14,157 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:43:14,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113576 states. [2019-10-07 07:43:19,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113576 to 113576. [2019-10-07 07:43:19,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113576 states. [2019-10-07 07:43:23,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113576 states to 113576 states and 145094 transitions. [2019-10-07 07:43:23,923 INFO L78 Accepts]: Start accepts. Automaton has 113576 states and 145094 transitions. Word has length 208 [2019-10-07 07:43:23,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:43:23,923 INFO L462 AbstractCegarLoop]: Abstraction has 113576 states and 145094 transitions. [2019-10-07 07:43:23,923 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:43:23,923 INFO L276 IsEmpty]: Start isEmpty. Operand 113576 states and 145094 transitions. [2019-10-07 07:43:23,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-10-07 07:43:23,928 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:43:23,929 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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] [2019-10-07 07:43:23,929 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 07:43:23,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:43:23,929 INFO L82 PathProgramCache]: Analyzing trace with hash 986787422, now seen corresponding path program 1 times [2019-10-07 07:43:23,929 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:43:23,930 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:43:23,930 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:43:23,930 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:43:23,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:43:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:43:24,106 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2019-10-07 07:43:24,106 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:43:24,106 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:43:24,107 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:43:24,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:43:24,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:43:24,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:43:24,108 INFO L87 Difference]: Start difference. First operand 113576 states and 145094 transitions. Second operand 5 states. [2019-10-07 07:43:46,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:43:46,056 INFO L93 Difference]: Finished difference Result 267082 states and 340494 transitions. [2019-10-07 07:43:46,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:43:46,056 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 211 [2019-10-07 07:43:46,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:43:46,512 INFO L225 Difference]: With dead ends: 267082 [2019-10-07 07:43:46,512 INFO L226 Difference]: Without dead ends: 153540 [2019-10-07 07:43:46,690 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 07:43:46,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153540 states. [2019-10-07 07:43:55,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153540 to 153292. [2019-10-07 07:43:55,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153292 states. [2019-10-07 07:43:55,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153292 states to 153292 states and 195082 transitions. [2019-10-07 07:43:55,679 INFO L78 Accepts]: Start accepts. Automaton has 153292 states and 195082 transitions. Word has length 211 [2019-10-07 07:43:55,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:43:55,679 INFO L462 AbstractCegarLoop]: Abstraction has 153292 states and 195082 transitions. [2019-10-07 07:43:55,680 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:43:55,680 INFO L276 IsEmpty]: Start isEmpty. Operand 153292 states and 195082 transitions. [2019-10-07 07:43:55,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-10-07 07:43:55,686 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:43:55,687 INFO L385 BasicCegarLoop]: trace histogram [13, 12, 12, 8, 8, 8, 8, 7, 7, 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] [2019-10-07 07:43:55,687 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 07:43:55,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:43:55,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1624234886, now seen corresponding path program 1 times [2019-10-07 07:43:55,688 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:43:55,688 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:43:55,688 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:43:55,688 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:43:55,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:43:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:43:55,870 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2019-10-07 07:43:55,870 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:43:55,870 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:43:55,871 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:43:55,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:43:55,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:43:55,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:43:55,872 INFO L87 Difference]: Start difference. First operand 153292 states and 195082 transitions. Second operand 5 states. [2019-10-07 07:44:04,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:44:04,381 INFO L93 Difference]: Finished difference Result 153302 states and 195091 transitions. [2019-10-07 07:44:04,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:44:04,382 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 257 [2019-10-07 07:44:04,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:44:04,859 INFO L225 Difference]: With dead ends: 153302 [2019-10-07 07:44:04,859 INFO L226 Difference]: Without dead ends: 153298 [2019-10-07 07:44:04,903 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 07:44:05,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153298 states. [2019-10-07 07:44:11,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153298 to 153298. [2019-10-07 07:44:11,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153298 states. [2019-10-07 07:44:12,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153298 states to 153298 states and 195086 transitions. [2019-10-07 07:44:12,034 INFO L78 Accepts]: Start accepts. Automaton has 153298 states and 195086 transitions. Word has length 257 [2019-10-07 07:44:12,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:44:12,034 INFO L462 AbstractCegarLoop]: Abstraction has 153298 states and 195086 transitions. [2019-10-07 07:44:12,034 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:44:12,035 INFO L276 IsEmpty]: Start isEmpty. Operand 153298 states and 195086 transitions. [2019-10-07 07:44:12,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-10-07 07:44:12,038 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:44:12,039 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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] [2019-10-07 07:44:12,039 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 07:44:12,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:44:12,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1952658372, now seen corresponding path program 1 times [2019-10-07 07:44:12,039 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:44:12,040 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:44:12,040 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:44:12,040 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:44:12,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:44:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:44:12,221 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2019-10-07 07:44:12,221 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:44:12,222 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:44:12,222 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:44:12,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:44:12,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:44:12,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:44:12,223 INFO L87 Difference]: Start difference. First operand 153298 states and 195086 transitions. Second operand 5 states. [2019-10-07 07:44:35,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:44:35,940 INFO L93 Difference]: Finished difference Result 336050 states and 428346 transitions. [2019-10-07 07:44:35,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:44:35,942 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 216 [2019-10-07 07:44:35,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:44:36,521 INFO L225 Difference]: With dead ends: 336050 [2019-10-07 07:44:36,521 INFO L226 Difference]: Without dead ends: 182786 [2019-10-07 07:44:36,759 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-07 07:44:36,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182786 states. [2019-10-07 07:44:53,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182786 to 182532. [2019-10-07 07:44:53,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182532 states. [2019-10-07 07:44:53,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182532 states to 182532 states and 232906 transitions. [2019-10-07 07:44:53,742 INFO L78 Accepts]: Start accepts. Automaton has 182532 states and 232906 transitions. Word has length 216 [2019-10-07 07:44:53,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:44:53,742 INFO L462 AbstractCegarLoop]: Abstraction has 182532 states and 232906 transitions. [2019-10-07 07:44:53,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:44:53,742 INFO L276 IsEmpty]: Start isEmpty. Operand 182532 states and 232906 transitions. [2019-10-07 07:44:53,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-10-07 07:44:53,748 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:44:53,748 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:44:53,749 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 07:44:53,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:44:53,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1516589041, now seen corresponding path program 1 times [2019-10-07 07:44:53,749 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:44:53,749 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:44:53,749 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:44:53,750 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:44:53,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:44:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:44:53,927 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2019-10-07 07:44:53,927 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:44:53,927 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:44:53,927 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:44:53,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:44:53,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:44:53,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:44:53,929 INFO L87 Difference]: Start difference. First operand 182532 states and 232906 transitions. Second operand 3 states. [2019-10-07 07:45:05,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:45:05,069 INFO L93 Difference]: Finished difference Result 398176 states and 508688 transitions. [2019-10-07 07:45:05,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:45:05,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2019-10-07 07:45:05,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:45:05,816 INFO L225 Difference]: With dead ends: 398176 [2019-10-07 07:45:05,816 INFO L226 Difference]: Without dead ends: 215678 [2019-10-07 07:45:06,090 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 07:45:06,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215678 states. [2019-10-07 07:45:22,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215678 to 215424. [2019-10-07 07:45:22,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215424 states. [2019-10-07 07:45:23,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215424 states to 215424 states and 275076 transitions. [2019-10-07 07:45:23,157 INFO L78 Accepts]: Start accepts. Automaton has 215424 states and 275076 transitions. Word has length 225 [2019-10-07 07:45:23,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:45:23,157 INFO L462 AbstractCegarLoop]: Abstraction has 215424 states and 275076 transitions. [2019-10-07 07:45:23,157 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:45:23,157 INFO L276 IsEmpty]: Start isEmpty. Operand 215424 states and 275076 transitions. [2019-10-07 07:45:23,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-10-07 07:45:23,162 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:45:23,162 INFO L385 BasicCegarLoop]: trace histogram [14, 13, 13, 8, 8, 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] [2019-10-07 07:45:23,162 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 07:45:23,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:45:23,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1407580904, now seen corresponding path program 1 times [2019-10-07 07:45:23,163 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:45:23,163 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:45:23,163 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:45:23,163 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:45:23,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:45:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:45:23,359 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2019-10-07 07:45:23,359 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:45:23,360 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:45:23,360 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:45:23,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:45:23,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:45:23,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:45:23,361 INFO L87 Difference]: Start difference. First operand 215424 states and 275076 transitions. Second operand 5 states. [2019-10-07 07:45:37,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:45:37,526 INFO L93 Difference]: Finished difference Result 229792 states and 288530 transitions. [2019-10-07 07:45:37,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:45:37,526 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 218 [2019-10-07 07:45:37,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:45:38,456 INFO L225 Difference]: With dead ends: 229792 [2019-10-07 07:45:38,456 INFO L226 Difference]: Without dead ends: 229648 [2019-10-07 07:45:38,517 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:45:38,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229648 states. [2019-10-07 07:45:50,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229648 to 229454. [2019-10-07 07:45:50,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229454 states. [2019-10-07 07:45:50,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229454 states to 229454 states and 287951 transitions. [2019-10-07 07:45:50,891 INFO L78 Accepts]: Start accepts. Automaton has 229454 states and 287951 transitions. Word has length 218 [2019-10-07 07:45:50,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:45:50,891 INFO L462 AbstractCegarLoop]: Abstraction has 229454 states and 287951 transitions. [2019-10-07 07:45:50,891 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:45:50,891 INFO L276 IsEmpty]: Start isEmpty. Operand 229454 states and 287951 transitions. [2019-10-07 07:45:50,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-07 07:45:50,895 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:45:50,896 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:45:50,896 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:45:50,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:45:50,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1669715394, now seen corresponding path program 1 times [2019-10-07 07:45:50,897 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:45:50,897 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:45:50,897 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:45:50,897 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:45:50,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:45:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:45:51,068 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2019-10-07 07:45:51,069 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:45:51,069 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:45:51,069 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:45:51,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:45:51,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:45:51,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:45:51,070 INFO L87 Difference]: Start difference. First operand 229454 states and 287951 transitions. Second operand 3 states. [2019-10-07 07:46:08,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:46:08,001 INFO L93 Difference]: Finished difference Result 491418 states and 616915 transitions. [2019-10-07 07:46:08,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:46:08,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2019-10-07 07:46:08,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:46:08,878 INFO L225 Difference]: With dead ends: 491418 [2019-10-07 07:46:08,879 INFO L226 Difference]: Without dead ends: 261998 [2019-10-07 07:46:09,194 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 07:46:09,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261998 states. [2019-10-07 07:46:22,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261998 to 261870. [2019-10-07 07:46:22,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261870 states. [2019-10-07 07:46:23,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261870 states to 261870 states and 328265 transitions. [2019-10-07 07:46:23,606 INFO L78 Accepts]: Start accepts. Automaton has 261870 states and 328265 transitions. Word has length 226 [2019-10-07 07:46:23,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:46:23,607 INFO L462 AbstractCegarLoop]: Abstraction has 261870 states and 328265 transitions. [2019-10-07 07:46:23,607 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:46:23,607 INFO L276 IsEmpty]: Start isEmpty. Operand 261870 states and 328265 transitions. [2019-10-07 07:46:23,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-10-07 07:46:23,611 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:46:23,611 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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] [2019-10-07 07:46:23,612 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 07:46:23,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:46:23,612 INFO L82 PathProgramCache]: Analyzing trace with hash -132758043, now seen corresponding path program 1 times [2019-10-07 07:46:23,612 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:46:23,612 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:46:23,612 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:46:23,612 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:46:23,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:46:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:46:29,963 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-10-07 07:46:29,963 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:46:29,964 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:46:29,964 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:46:29,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:46:29,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:46:29,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:46:29,965 INFO L87 Difference]: Start difference. First operand 261870 states and 328265 transitions. Second operand 5 states. [2019-10-07 07:46:56,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:46:56,361 INFO L93 Difference]: Finished difference Result 555120 states and 696325 transitions. [2019-10-07 07:46:56,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:46:56,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 224 [2019-10-07 07:46:56,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:46:58,069 INFO L225 Difference]: With dead ends: 555120 [2019-10-07 07:46:58,070 INFO L226 Difference]: Without dead ends: 293284 [2019-10-07 07:46:58,393 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 07:46:58,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293284 states. [2019-10-07 07:47:21,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293284 to 293156. [2019-10-07 07:47:21,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293156 states. [2019-10-07 07:47:22,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293156 states to 293156 states and 367745 transitions. [2019-10-07 07:47:22,584 INFO L78 Accepts]: Start accepts. Automaton has 293156 states and 367745 transitions. Word has length 224 [2019-10-07 07:47:22,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:47:22,585 INFO L462 AbstractCegarLoop]: Abstraction has 293156 states and 367745 transitions. [2019-10-07 07:47:22,585 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:47:22,585 INFO L276 IsEmpty]: Start isEmpty. Operand 293156 states and 367745 transitions. [2019-10-07 07:47:22,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-07 07:47:22,589 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:47:22,589 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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] [2019-10-07 07:47:22,589 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 07:47:22,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:47:22,590 INFO L82 PathProgramCache]: Analyzing trace with hash 364125856, now seen corresponding path program 1 times [2019-10-07 07:47:22,590 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:47:22,590 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:22,590 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:22,590 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:47:22,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:47:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:47:22,789 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 31 proven. 12 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2019-10-07 07:47:22,789 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:47:22,789 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 07:47:22,790 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 07:47:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:47:23,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 3624 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 07:47:23,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 07:47:24,069 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2019-10-07 07:47:24,069 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 07:47:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 31 proven. 12 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2019-10-07 07:47:24,668 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 07:47:24,669 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10 [2019-10-07 07:47:24,670 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:47:24,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:47:24,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-07 07:47:24,671 INFO L87 Difference]: Start difference. First operand 293156 states and 367745 transitions. Second operand 5 states. [2019-10-07 07:48:08,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:48:08,244 INFO L93 Difference]: Finished difference Result 617922 states and 775713 transitions. [2019-10-07 07:48:08,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:48:08,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 238 [2019-10-07 07:48:08,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:48:10,100 INFO L225 Difference]: With dead ends: 617922 [2019-10-07 07:48:10,100 INFO L226 Difference]: Without dead ends: 324800 [2019-10-07 07:48:10,546 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 472 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 07:48:10,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324800 states. [2019-10-07 07:48:30,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324800 to 324608. [2019-10-07 07:48:30,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324608 states. [2019-10-07 07:48:30,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324608 states to 324608 states and 407081 transitions. [2019-10-07 07:48:30,913 INFO L78 Accepts]: Start accepts. Automaton has 324608 states and 407081 transitions. Word has length 238 [2019-10-07 07:48:30,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:48:30,914 INFO L462 AbstractCegarLoop]: Abstraction has 324608 states and 407081 transitions. [2019-10-07 07:48:30,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:48:30,914 INFO L276 IsEmpty]: Start isEmpty. Operand 324608 states and 407081 transitions. [2019-10-07 07:48:30,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-10-07 07:48:30,929 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:48:30,929 INFO L385 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 8, 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] [2019-10-07 07:48:31,142 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:48:31,142 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 07:48:31,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:48:31,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1109943192, now seen corresponding path program 1 times [2019-10-07 07:48:31,143 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:48:31,143 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:48:31,143 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:48:31,143 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:48:31,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:48:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:48:31,594 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2019-10-07 07:48:31,594 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:48:31,594 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 07:48:31,594 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 07:48:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:48:32,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 3936 conjuncts, 48 conjunts are in the unsatisfiable core [2019-10-07 07:48:32,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 07:48:32,814 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 8 proven. 80 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2019-10-07 07:48:32,815 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 07:48:33,341 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2019-10-07 07:48:33,342 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 07:48:33,342 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 9 [2019-10-07 07:48:33,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 07:48:33,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 07:48:33,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 07:48:33,343 INFO L87 Difference]: Start difference. First operand 324608 states and 407081 transitions. Second operand 6 states. [2019-10-07 07:48:56,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:48:56,023 INFO L93 Difference]: Finished difference Result 325726 states and 408196 transitions. [2019-10-07 07:48:56,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 07:48:56,024 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 303 [2019-10-07 07:48:56,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:48:57,300 INFO L225 Difference]: With dead ends: 325726 [2019-10-07 07:48:57,301 INFO L226 Difference]: Without dead ends: 325724 [2019-10-07 07:48:57,400 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 616 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 07:48:57,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325724 states. [2019-10-07 07:49:25,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325724 to 325720. [2019-10-07 07:49:25,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325720 states. [2019-10-07 07:49:26,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325720 states to 325720 states and 407911 transitions. [2019-10-07 07:49:26,417 INFO L78 Accepts]: Start accepts. Automaton has 325720 states and 407911 transitions. Word has length 303 [2019-10-07 07:49:26,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:49:26,418 INFO L462 AbstractCegarLoop]: Abstraction has 325720 states and 407911 transitions. [2019-10-07 07:49:26,418 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 07:49:26,418 INFO L276 IsEmpty]: Start isEmpty. Operand 325720 states and 407911 transitions. [2019-10-07 07:49:26,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-10-07 07:49:26,423 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:49:26,424 INFO L385 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 8, 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] [2019-10-07 07:49:26,626 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:49:26,627 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 07:49:26,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:49:26,627 INFO L82 PathProgramCache]: Analyzing trace with hash 5615710, now seen corresponding path program 1 times [2019-10-07 07:49:26,628 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:49:26,628 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:49:26,628 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:49:26,629 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:49:26,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:49:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:49:27,552 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2019-10-07 07:49:27,553 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:49:27,553 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 07:49:27,553 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 07:49:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:49:28,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 3937 conjuncts, 48 conjunts are in the unsatisfiable core [2019-10-07 07:49:28,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 07:49:28,794 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 8 proven. 80 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2019-10-07 07:49:28,795 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 07:49:29,224 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2019-10-07 07:49:29,224 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 07:49:29,224 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 9 [2019-10-07 07:49:29,225 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 07:49:29,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 07:49:29,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 07:49:29,225 INFO L87 Difference]: Start difference. First operand 325720 states and 407911 transitions. Second operand 6 states. [2019-10-07 07:49:49,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:49:49,100 INFO L93 Difference]: Finished difference Result 326860 states and 409049 transitions. [2019-10-07 07:49:49,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:49:49,101 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 303 [2019-10-07 07:49:49,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:49:50,138 INFO L225 Difference]: With dead ends: 326860 [2019-10-07 07:49:50,138 INFO L226 Difference]: Without dead ends: 326858 [2019-10-07 07:49:50,226 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 626 GetRequests, 616 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-10-07 07:49:50,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326858 states. [2019-10-07 07:50:17,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326858 to 326856. [2019-10-07 07:50:17,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326856 states. [2019-10-07 07:50:19,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326856 states to 326856 states and 408619 transitions. [2019-10-07 07:50:19,036 INFO L78 Accepts]: Start accepts. Automaton has 326856 states and 408619 transitions. Word has length 303 [2019-10-07 07:50:19,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:50:19,037 INFO L462 AbstractCegarLoop]: Abstraction has 326856 states and 408619 transitions. [2019-10-07 07:50:19,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 07:50:19,038 INFO L276 IsEmpty]: Start isEmpty. Operand 326856 states and 408619 transitions. [2019-10-07 07:50:19,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-10-07 07:50:19,045 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:50:19,046 INFO L385 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 8, 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] [2019-10-07 07:50:19,260 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:50:19,260 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 07:50:19,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:50:19,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1999516788, now seen corresponding path program 1 times [2019-10-07 07:50:19,261 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:50:19,261 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:50:19,261 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:50:19,261 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:50:19,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:50:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:50:19,596 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2019-10-07 07:50:19,596 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:50:19,596 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 07:50:19,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:50:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:50:20,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 3998 conjuncts, 52 conjunts are in the unsatisfiable core [2019-10-07 07:50:20,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 07:50:20,918 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 8 proven. 80 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2019-10-07 07:50:20,918 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 07:50:21,803 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2019-10-07 07:50:21,804 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 07:50:21,804 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 9 [2019-10-07 07:50:21,805 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 07:50:21,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 07:50:21,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 07:50:21,805 INFO L87 Difference]: Start difference. First operand 326856 states and 408619 transitions. Second operand 6 states. [2019-10-07 07:50:50,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:50:50,163 INFO L93 Difference]: Finished difference Result 338464 states and 426549 transitions. [2019-10-07 07:50:50,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 07:50:50,163 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 310 [2019-10-07 07:50:50,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:50:51,235 INFO L225 Difference]: With dead ends: 338464 [2019-10-07 07:50:51,236 INFO L226 Difference]: Without dead ends: 338462 [2019-10-07 07:50:51,346 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 631 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 07:50:51,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338462 states. [2019-10-07 07:51:20,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338462 to 337656. [2019-10-07 07:51:20,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337656 states. [2019-10-07 07:51:21,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337656 states to 337656 states and 425029 transitions. [2019-10-07 07:51:21,193 INFO L78 Accepts]: Start accepts. Automaton has 337656 states and 425029 transitions. Word has length 310 [2019-10-07 07:51:21,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:51:21,194 INFO L462 AbstractCegarLoop]: Abstraction has 337656 states and 425029 transitions. [2019-10-07 07:51:21,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 07:51:21,194 INFO L276 IsEmpty]: Start isEmpty. Operand 337656 states and 425029 transitions. [2019-10-07 07:51:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-10-07 07:51:21,201 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:51:21,202 INFO L385 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 8, 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] [2019-10-07 07:51:21,402 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:51:21,403 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 07:51:21,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:51:21,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1121867683, now seen corresponding path program 1 times [2019-10-07 07:51:21,404 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:51:21,404 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:51:21,405 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:51:21,405 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:51:21,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:51:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:51:21,676 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2019-10-07 07:51:21,677 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:51:21,677 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:51:21,677 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:51:21,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:51:21,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:51:21,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:51:21,678 INFO L87 Difference]: Start difference. First operand 337656 states and 425029 transitions. Second operand 3 states. [2019-10-07 07:51:42,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:51:42,226 INFO L93 Difference]: Finished difference Result 668910 states and 851482 transitions. [2019-10-07 07:51:42,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:51:42,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 313 [2019-10-07 07:51:42,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:51:43,327 INFO L225 Difference]: With dead ends: 668910 [2019-10-07 07:51:43,328 INFO L226 Difference]: Without dead ends: 331288 [2019-10-07 07:51:43,838 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:51:44,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331288 states.