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 -i ../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 22:46:29,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 22:46:29,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 22:46:29,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 22:46:29,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 22:46:29,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 22:46:29,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 22:46:29,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 22:46:29,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 22:46:29,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 22:46:29,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 22:46:29,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 22:46:29,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 22:46:29,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 22:46:29,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 22:46:29,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 22:46:29,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 22:46:29,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 22:46:29,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 22:46:29,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 22:46:29,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 22:46:29,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 22:46:29,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 22:46:29,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 22:46:29,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 22:46:29,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 22:46:29,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 22:46:29,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 22:46:29,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 22:46:29,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 22:46:29,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 22:46:29,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 22:46:29,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 22:46:29,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 22:46:29,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 22:46:29,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 22:46:29,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 22:46:29,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 22:46:29,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 22:46:29,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 22:46:29,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 22:46:29,517 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 [2019-09-08 22:46:29,553 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 22:46:29,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 22:46:29,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 22:46:29,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 22:46:29,558 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 22:46:29,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 22:46:29,560 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 22:46:29,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 22:46:29,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 22:46:29,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 22:46:29,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 22:46:29,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 22:46:29,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 22:46:29,561 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 22:46:29,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 22:46:29,562 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 22:46:29,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 22:46:29,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 22:46:29,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 22:46:29,563 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 22:46:29,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 22:46:29,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 22:46:29,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 22:46:29,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 22:46:29,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 22:46:29,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 22:46:29,568 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 22:46:29,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 22:46:29,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 22:46:29,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 22:46:29,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 22:46:29,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 22:46:29,614 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 22:46:29,614 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 22:46:29,615 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2019-09-08 22:46:29,674 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d5fa484c/6a528bab2cf94caba1a32a3e810560c9/FLAG948953d26 [2019-09-08 22:46:30,456 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 22:46:30,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2019-09-08 22:46:30,497 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d5fa484c/6a528bab2cf94caba1a32a3e810560c9/FLAG948953d26 [2019-09-08 22:46:30,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d5fa484c/6a528bab2cf94caba1a32a3e810560c9 [2019-09-08 22:46:31,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 22:46:31,009 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 22:46:31,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 22:46:31,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 22:46:31,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 22:46:31,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 10:46:30" (1/1) ... [2019-09-08 22:46:31,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ae4c093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:46:31, skipping insertion in model container [2019-09-08 22:46:31,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 10:46:30" (1/1) ... [2019-09-08 22:46:31,025 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 22:46:31,192 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 22:46:34,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 22:46:34,340 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 22:46:34,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 22:46:35,615 INFO L192 MainTranslator]: Completed translation [2019-09-08 22:46:35,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:46:35 WrapperNode [2019-09-08 22:46:35,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 22:46:35,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 22:46:35,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 22:46:35,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 22:46:35,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:46:35" (1/1) ... [2019-09-08 22:46:35,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:46:35" (1/1) ... [2019-09-08 22:46:35,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:46:35" (1/1) ... [2019-09-08 22:46:35,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:46:35" (1/1) ... [2019-09-08 22:46:35,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:46:35" (1/1) ... [2019-09-08 22:46:35,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:46:35" (1/1) ... [2019-09-08 22:46:36,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:46:35" (1/1) ... [2019-09-08 22:46:36,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 22:46:36,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 22:46:36,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 22:46:36,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 22:46:36,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:46:35" (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 [2019-09-08 22:46:36,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 22:46:36,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 22:46:36,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-09-08 22:46:36,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-09-08 22:46:36,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-09-08 22:46:36,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-09-08 22:46:36,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-09-08 22:46:36,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2019-09-08 22:46:36,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-08 22:46:36,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 22:46:36,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2019-09-08 22:46:36,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-09-08 22:46:36,205 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-08 22:46:36,205 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-08 22:46:36,206 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-08 22:46:36,206 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-08 22:46:36,208 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-09-08 22:46:36,209 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-09-08 22:46:36,209 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 22:46:36,209 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-08 22:46:36,210 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-08 22:46:36,210 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-08 22:46:36,210 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-08 22:46:36,210 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-08 22:46:36,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-08 22:46:36,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-08 22:46:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-09-08 22:46:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-09-08 22:46:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-09-08 22:46:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-09-08 22:46:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-09-08 22:46:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-09-08 22:46:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2019-09-08 22:46:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2019-09-08 22:46:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-09-08 22:46:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-09-08 22:46:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-09-08 22:46:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-09-08 22:46:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-08 22:46:36,213 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-09-08 22:46:36,213 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-09-08 22:46:36,213 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-08 22:46:36,213 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-08 22:46:36,213 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-08 22:46:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-08 22:46:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-08 22:46:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-08 22:46:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-08 22:46:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-08 22:46:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-09-08 22:46:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-09-08 22:46:36,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-09-08 22:46:36,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-09-08 22:46:36,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-09-08 22:46:36,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-09-08 22:46:36,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-09-08 22:46:36,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2019-09-08 22:46:36,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2019-09-08 22:46:36,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-09-08 22:46:36,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-09-08 22:46:36,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-09-08 22:46:36,217 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-09-08 22:46:36,217 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-09-08 22:46:36,217 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2019-09-08 22:46:36,217 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2019-09-08 22:46:36,217 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_init_one [2019-09-08 22:46:36,217 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2019-09-08 22:46:36,218 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2019-09-08 22:46:36,218 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2019-09-08 22:46:36,218 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2019-09-08 22:46:36,218 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2019-09-08 22:46:36,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2019-09-08 22:46:36,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2019-09-08 22:46:36,219 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2019-09-08 22:46:36,219 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_timer [2019-09-08 22:46:36,219 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2019-09-08 22:46:36,220 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2019-09-08 22:46:36,220 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_timer [2019-09-08 22:46:36,220 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2019-09-08 22:46:36,220 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring [2019-09-08 22:46:36,220 INFO L138 BoogieDeclarations]: Found implementation of procedure start_tx [2019-09-08 22:46:36,220 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_tx_descriptors [2019-09-08 22:46:36,221 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2019-09-08 22:46:36,221 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2019-09-08 22:46:36,221 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx [2019-09-08 22:46:36,222 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats [2019-09-08 22:46:36,222 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2019-09-08 22:46:36,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2019-09-08 22:46:36,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_drvinfo [2019-09-08 22:46:36,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_settings [2019-09-08 22:46:36,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_settings [2019-09-08 22:46:36,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2019-09-08 22:46:36,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_link [2019-09-08 22:46:36,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_msglevel [2019-09-08 22:46:36,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_msglevel [2019-09-08 22:46:36,224 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ioctl [2019-09-08 22:46:36,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2019-09-08 22:46:36,224 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_init [2019-09-08 22:46:36,224 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_exit [2019-09-08 22:46:36,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2019-09-08 22:46:36,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_fealnx_init_14_9 [2019-09-08 22:46:36,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2019-09-08 22:46:36,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2019-09-08 22:46:36,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-09-08 22:46:36,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2019-09-08 22:46:36,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_11_1 [2019-09-08 22:46:36,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_12_1 [2019-09-08 22:46:36,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2019-09-08 22:46:36,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_6_1 [2019-09-08 22:46:36,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_4_3 [2019-09-08 22:46:36,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_7_1 [2019-09-08 22:46:36,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_10_2 [2019-09-08 22:46:36,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2019-09-08 22:46:36,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_4 [2019-09-08 22:46:36,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2019-09-08 22:46:36,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_10 [2019-09-08 22:46:36,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_13 [2019-09-08 22:46:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2019-09-08 22:46:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2019-09-08 22:46:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_18 [2019-09-08 22:46:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_19 [2019-09-08 22:46:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_20 [2019-09-08 22:46:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_21 [2019-09-08 22:46:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_22 [2019-09-08 22:46:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_23 [2019-09-08 22:46:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_26 [2019-09-08 22:46:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-09-08 22:46:36,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-09-08 22:46:36,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_8 [2019-09-08 22:46:36,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-09-08 22:46:36,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_14 [2019-09-08 22:46:36,233 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 22:46:36,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2019-09-08 22:46:36,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2019-09-08 22:46:36,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-09-08 22:46:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2019-09-08 22:46:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2019-09-08 22:46:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2019-09-08 22:46:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2019-09-08 22:46:36,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_2_17 [2019-09-08 22:46:36,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_2_2 [2019-09-08 22:46:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_2_5 [2019-09-08 22:46:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_2_6 [2019-09-08 22:46:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_2_3 [2019-09-08 22:46:36,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_2_8 [2019-09-08 22:46:36,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_2_7 [2019-09-08 22:46:36,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_2 [2019-09-08 22:46:36,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2019-09-08 22:46:36,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2019-09-08 22:46:36,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2019-09-08 22:46:36,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2019-09-08 22:46:36,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-09-08 22:46:36,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-09-08 22:46:36,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-09-08 22:46:36,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2019-09-08 22:46:36,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-09-08 22:46:36,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2019-09-08 22:46:36,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_11 [2019-09-08 22:46:36,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_20 [2019-09-08 22:46:36,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-09-08 22:46:36,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_3 [2019-09-08 22:46:36,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-09-08 22:46:36,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_4 [2019-09-08 22:46:36,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_dummy_factory_4 [2019-09-08 22:46:36,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2019-09-08 22:46:36,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2019-09-08 22:46:36,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2019-09-08 22:46:36,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2019-09-08 22:46:36,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2019-09-08 22:46:36,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_59 [2019-09-08 22:46:36,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_60 [2019-09-08 22:46:36,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_61 [2019-09-08 22:46:36,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_62 [2019-09-08 22:46:36,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_63 [2019-09-08 22:46:36,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_64 [2019-09-08 22:46:36,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_65 [2019-09-08 22:46:36,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_66 [2019-09-08 22:46:36,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_67 [2019-09-08 22:46:36,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_68 [2019-09-08 22:46:36,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_70 [2019-09-08 22:46:36,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_72 [2019-09-08 22:46:36,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_74 [2019-09-08 22:46:36,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_75 [2019-09-08 22:46:36,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_76 [2019-09-08 22:46:36,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_77 [2019-09-08 22:46:36,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_78 [2019-09-08 22:46:36,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_79 [2019-09-08 22:46:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_84 [2019-09-08 22:46:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_85 [2019-09-08 22:46:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_86 [2019-09-08 22:46:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_87 [2019-09-08 22:46:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_88 [2019-09-08 22:46:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-09-08 22:46:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-09-08 22:46:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-09-08 22:46:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 22:46:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 22:46:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 22:46:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 22:46:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-09-08 22:46:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-09-08 22:46:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-09-08 22:46:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-09-08 22:46:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-09-08 22:46:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-09-08 22:46:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 22:46:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 22:46:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-08 22:46:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 22:46:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-09-08 22:46:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 22:46:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-09-08 22:46:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-09-08 22:46:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-09-08 22:46:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-09-08 22:46:36,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-09-08 22:46:36,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-09-08 22:46:36,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-09-08 22:46:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 22:46:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 22:46:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 22:46:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-08 22:46:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-09-08 22:46:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-09-08 22:46:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-09-08 22:46:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-09-08 22:46:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-09-08 22:46:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-09-08 22:46:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-09-08 22:46:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-09-08 22:46:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-09-08 22:46:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-09-08 22:46:36,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-09-08 22:46:36,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-09-08 22:46:36,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-09-08 22:46:36,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-09-08 22:46:36,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-09-08 22:46:36,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-09-08 22:46:36,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-09-08 22:46:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-09-08 22:46:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-09-08 22:46:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-09-08 22:46:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-09-08 22:46:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-09-08 22:46:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-09-08 22:46:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-09-08 22:46:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-09-08 22:46:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-09-08 22:46:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-09-08 22:46:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-09-08 22:46:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-09-08 22:46:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-09-08 22:46:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-09-08 22:46:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-09-08 22:46:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-09-08 22:46:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-09-08 22:46:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-09-08 22:46:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-09-08 22:46:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-09-08 22:46:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-09-08 22:46:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-09-08 22:46:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-09-08 22:46:36,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-09-08 22:46:36,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-09-08 22:46:36,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-09-08 22:46:36,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-09-08 22:46:36,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-09-08 22:46:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:46:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-09-08 22:46:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-09-08 22:46:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-09-08 22:46:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-09-08 22:46:36,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:46:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-09-08 22:46:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:46:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2019-09-08 22:46:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2019-09-08 22:46:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_netdev_private [2019-09-08 22:46:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_netdev_private [2019-09-08 22:46:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_netdev_private [2019-09-08 22:46:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_netdev_private [2019-09-08 22:46:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_netdev_private [2019-09-08 22:46:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_netdev_private [2019-09-08 22:46:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lp [2019-09-08 22:46:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lp [2019-09-08 22:46:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lp [2019-09-08 22:46:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lp [2019-09-08 22:46:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lp [2019-09-08 22:46:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lp [2019-09-08 22:46:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lp [2019-09-08 22:46:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lp [2019-09-08 22:46:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-09-08 22:46:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-09-08 22:46:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-09-08 22:46:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-09-08 22:46:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-09-08 22:46:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-09-08 22:46:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-09-08 22:46:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-09-08 22:46:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-09-08 22:46:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-09-08 22:46:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-09-08 22:46:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-09-08 22:46:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-09-08 22:46:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-09-08 22:46:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-09-08 22:46:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-09-08 22:46:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-09-08 22:46:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-09-08 22:46:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-09-08 22:46:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-09-08 22:46:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-09-08 22:46:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-09-08 22:46:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-09-08 22:46:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-09-08 22:46:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-09-08 22:46:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-09-08 22:46:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-09-08 22:46:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-09-08 22:46:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-09-08 22:46:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-09-08 22:46:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-09-08 22:46:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-09-08 22:46:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-09-08 22:46:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-09-08 22:46:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-09-08 22:46:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-09-08 22:46:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-09-08 22:46:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-09-08 22:46:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-09-08 22:46:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-09-08 22:46:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 22:46:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-09-08 22:46:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-09-08 22:46:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-09-08 22:46:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-09-08 22:46:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-09-08 22:46:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-08 22:46:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-09-08 22:46:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-09-08 22:46:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2019-09-08 22:46:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-09-08 22:46:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-08 22:46:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-09-08 22:46:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-09-08 22:46:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-08 22:46:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-08 22:46:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-08 22:46:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-08 22:46:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-08 22:46:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-08 22:46:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-08 22:46:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-09-08 22:46:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-09-08 22:46:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2019-09-08 22:46:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-09-08 22:46:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-09-08 22:46:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-09-08 22:46:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-09-08 22:46:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-09-08 22:46:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2019-09-08 22:46:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2019-09-08 22:46:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-09-08 22:46:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-08 22:46:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-08 22:46:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-08 22:46:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-09-08 22:46:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-09-08 22:46:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-09-08 22:46:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-09-08 22:46:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-09-08 22:46:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-08 22:46:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-08 22:46:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2019-09-08 22:46:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-09-08 22:46:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-09-08 22:46:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-09-08 22:46:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2019-09-08 22:46:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-09-08 22:46:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-09-08 22:46:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-09-08 22:46:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-08 22:46:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 22:46:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2019-09-08 22:46:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2019-09-08 22:46:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2019-09-08 22:46:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2019-09-08 22:46:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2019-09-08 22:46:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2019-09-08 22:46:36,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2019-09-08 22:46:36,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2019-09-08 22:46:36,297 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-09-08 22:46:36,297 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-09-08 22:46:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-09-08 22:46:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-09-08 22:46:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-09-08 22:46:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-09-08 22:46:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-09-08 22:46:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-09-08 22:46:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-09-08 22:46:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 22:46:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-08 22:46:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-08 22:46:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-08 22:46:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-09-08 22:46:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-08 22:46:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-08 22:46:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 22:46:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 22:46:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 22:46:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 22:46:36,302 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 22:46:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 22:46:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-09-08 22:46:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-09-08 22:46:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-08 22:46:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-08 22:46:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-08 22:46:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-08 22:46:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 22:46:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 22:46:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-08 22:46:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-09-08 22:46:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 22:46:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 22:46:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-09-08 22:46:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-08 22:46:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-09-08 22:46:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 22:46:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-09-08 22:46:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2019-09-08 22:46:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_66 [2019-09-08 22:46:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_68 [2019-09-08 22:46:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_70 [2019-09-08 22:46:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_72 [2019-09-08 22:46:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_76 [2019-09-08 22:46:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2019-09-08 22:46:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2019-09-08 22:46:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lp [2019-09-08 22:46:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lp [2019-09-08 22:46:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 22:46:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-09-08 22:46:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2019-09-08 22:46:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-09-08 22:46:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-09-08 22:46:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2019-09-08 22:46:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 22:46:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2019-09-08 22:46:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2019-09-08 22:46:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-09-08 22:46:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 22:46:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 22:46:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-09-08 22:46:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-09-08 22:46:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-09-08 22:46:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-08 22:46:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-08 22:46:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-08 22:46:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-08 22:46:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-08 22:46:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-08 22:46:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 22:46:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-08 22:46:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_74 [2019-09-08 22:46:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-08 22:46:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_78 [2019-09-08 22:46:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-08 22:46:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_75 [2019-09-08 22:46:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-08 22:46:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_79 [2019-09-08 22:46:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-08 22:46:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_67 [2019-09-08 22:46:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_77 [2019-09-08 22:46:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-09-08 22:46:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-09-08 22:46:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-08 22:46:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_84 [2019-09-08 22:46:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_85 [2019-09-08 22:46:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-08 22:46:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-09-08 22:46:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-09-08 22:46:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2019-09-08 22:46:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-09-08 22:46:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-09-08 22:46:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-09-08 22:46:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-08 22:46:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2019-09-08 22:46:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_59 [2019-09-08 22:46:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-08 22:46:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-08 22:46:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-08 22:46:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-08 22:46:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-09-08 22:46:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-09-08 22:46:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-09-08 22:46:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-09-08 22:46:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-09-08 22:46:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-09-08 22:46:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-09-08 22:46:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2019-09-08 22:46:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2019-09-08 22:46:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-09-08 22:46:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-09-08 22:46:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-09-08 22:46:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-09-08 22:46:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-09-08 22:46:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2019-09-08 22:46:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-09-08 22:46:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2019-09-08 22:46:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-09-08 22:46:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-09-08 22:46:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-09-08 22:46:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-09-08 22:46:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-09-08 22:46:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 22:46:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-09-08 22:46:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-09-08 22:46:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-08 22:46:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-08 22:46:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 22:46:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 22:46:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-09-08 22:46:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-09-08 22:46:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-09-08 22:46:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 22:46:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-08 22:46:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-08 22:46:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-08 22:46:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_62 [2019-09-08 22:46:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_64 [2019-09-08 22:46:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-09-08 22:46:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-08 22:46:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-08 22:46:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-08 22:46:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-08 22:46:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-08 22:46:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-08 22:46:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-08 22:46:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-09-08 22:46:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-09-08 22:46:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-09-08 22:46:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-09-08 22:46:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-09-08 22:46:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-09-08 22:46:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-08 22:46:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_61 [2019-09-08 22:46:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-08 22:46:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_63 [2019-09-08 22:46:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-09-08 22:46:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-09-08 22:46:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-09-08 22:46:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-09-08 22:46:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-09-08 22:46:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_87 [2019-09-08 22:46:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-09-08 22:46:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_88 [2019-09-08 22:46:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-09-08 22:46:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-09-08 22:46:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-09-08 22:46:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-09-08 22:46:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2019-09-08 22:46:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2019-09-08 22:46:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-09-08 22:46:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-09-08 22:46:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-09-08 22:46:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-08 22:46:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-09-08 22:46:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_65 [2019-09-08 22:46:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-08 22:46:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_86 [2019-09-08 22:46:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-09-08 22:46:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-09-08 22:46:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-09-08 22:46:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-09-08 22:46:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-09-08 22:46:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_60 [2019-09-08 22:46:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2019-09-08 22:46:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2019-09-08 22:46:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2019-09-08 22:46:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2019-09-08 22:46:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2019-09-08 22:46:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-09-08 22:46:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2019-09-08 22:46:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-09-08 22:46:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2019-09-08 22:46:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2019-09-08 22:46:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2019-09-08 22:46:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2019-09-08 22:46:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2019-09-08 22:46:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_timer [2019-09-08 22:46:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure reset_timer [2019-09-08 22:46:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2019-09-08 22:46:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring [2019-09-08 22:46:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure start_tx [2019-09-08 22:46:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2019-09-08 22:46:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx [2019-09-08 22:46:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2019-09-08 22:46:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2019-09-08 22:46:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats [2019-09-08 22:46:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ioctl [2019-09-08 22:46:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2019-09-08 22:46:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2019-09-08 22:46:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure reset_tx_descriptors [2019-09-08 22:46:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2019-09-08 22:46:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2019-09-08 22:46:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_init_one [2019-09-08 22:46:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 22:46:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2019-09-08 22:46:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2019-09-08 22:46:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2019-09-08 22:46:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2019-09-08 22:46:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2019-09-08 22:46:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 22:46:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_drvinfo [2019-09-08 22:46:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_settings [2019-09-08 22:46:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_settings [2019-09-08 22:46:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2019-09-08 22:46:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_link [2019-09-08 22:46:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_msglevel [2019-09-08 22:46:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_msglevel [2019-09-08 22:46:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_init [2019-09-08 22:46:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_exit [2019-09-08 22:46:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2019-09-08 22:46:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_fealnx_init_14_9 [2019-09-08 22:46:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2019-09-08 22:46:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2019-09-08 22:46:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-09-08 22:46:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2019-09-08 22:46:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_11_1 [2019-09-08 22:46:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_12_1 [2019-09-08 22:46:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2019-09-08 22:46:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_6_1 [2019-09-08 22:46:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_4_3 [2019-09-08 22:46:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_7_1 [2019-09-08 22:46:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_10_2 [2019-09-08 22:46:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2019-09-08 22:46:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_4 [2019-09-08 22:46:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2019-09-08 22:46:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_10 [2019-09-08 22:46:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_13 [2019-09-08 22:46:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2019-09-08 22:46:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2019-09-08 22:46:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_18 [2019-09-08 22:46:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_19 [2019-09-08 22:46:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_20 [2019-09-08 22:46:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_21 [2019-09-08 22:46:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_22 [2019-09-08 22:46:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_23 [2019-09-08 22:46:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_26 [2019-09-08 22:46:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-09-08 22:46:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-09-08 22:46:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_8 [2019-09-08 22:46:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-09-08 22:46:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_14 [2019-09-08 22:46:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 22:46:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2019-09-08 22:46:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2019-09-08 22:46:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-09-08 22:46:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2019-09-08 22:46:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2019-09-08 22:46:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2019-09-08 22:46:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2019-09-08 22:46:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_2_17 [2019-09-08 22:46:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_2_2 [2019-09-08 22:46:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_2_5 [2019-09-08 22:46:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_2_6 [2019-09-08 22:46:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_2_3 [2019-09-08 22:46:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_2_8 [2019-09-08 22:46:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_2_7 [2019-09-08 22:46:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_2 [2019-09-08 22:46:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2019-09-08 22:46:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2019-09-08 22:46:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2019-09-08 22:46:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2019-09-08 22:46:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-09-08 22:46:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-09-08 22:46:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-09-08 22:46:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2019-09-08 22:46:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-09-08 22:46:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2019-09-08 22:46:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_11 [2019-09-08 22:46:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_20 [2019-09-08 22:46:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-09-08 22:46:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_3 [2019-09-08 22:46:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-09-08 22:46:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_4 [2019-09-08 22:46:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_dummy_factory_4 [2019-09-08 22:46:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2019-09-08 22:46:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2019-09-08 22:46:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2019-09-08 22:46:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2019-09-08 22:46:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2019-09-08 22:46:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-08 22:46:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 22:46:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2019-09-08 22:46:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-09-08 22:46:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-09-08 22:46:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 22:46:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-09-08 22:46:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 22:46:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 22:46:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 22:46:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 22:46:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-09-08 22:46:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-08 22:46:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-09-08 22:46:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-09-08 22:46:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-09-08 22:46:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-08 22:46:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 22:46:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-09-08 22:46:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-09-08 22:46:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-09-08 22:46:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-09-08 22:46:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-09-08 22:46:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 22:46:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 22:46:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 22:46:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 22:46:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 22:46:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 22:46:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 22:46:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-08 22:46:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-09-08 22:46:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 22:46:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 22:46:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 22:46:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-09-08 22:46:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-09-08 22:46:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-09-08 22:46:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-09-08 22:46:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-09-08 22:46:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-09-08 22:46:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-09-08 22:46:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-09-08 22:46:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-09-08 22:46:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-09-08 22:46:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-09-08 22:46:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-09-08 22:46:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-09-08 22:46:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-09-08 22:46:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-09-08 22:46:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-09-08 22:46:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-09-08 22:46:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-09-08 22:46:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-09-08 22:46:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-09-08 22:46:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-09-08 22:46:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-09-08 22:46:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-09-08 22:46:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-09-08 22:46:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-09-08 22:46:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-09-08 22:46:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-09-08 22:46:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-09-08 22:46:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-09-08 22:46:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-09-08 22:46:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-09-08 22:46:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-09-08 22:46:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-09-08 22:46:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-09-08 22:46:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-09-08 22:46:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-09-08 22:46:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-09-08 22:46:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-09-08 22:46:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-09-08 22:46:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-09-08 22:46:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-09-08 22:46:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-09-08 22:46:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-09-08 22:46:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-09-08 22:46:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-09-08 22:46:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-09-08 22:46:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-09-08 22:46:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-09-08 22:46:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:46:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-09-08 22:46:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-09-08 22:46:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-09-08 22:46:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-09-08 22:46:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:46:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-09-08 22:46:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:46:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_netdev_private [2019-09-08 22:46:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_netdev_private [2019-09-08 22:46:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_netdev_private [2019-09-08 22:46:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_netdev_private [2019-09-08 22:46:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_netdev_private [2019-09-08 22:46:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_netdev_private [2019-09-08 22:46:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lp [2019-09-08 22:46:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lp [2019-09-08 22:46:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lp [2019-09-08 22:46:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lp [2019-09-08 22:46:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lp [2019-09-08 22:46:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lp [2019-09-08 22:46:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-09-08 22:46:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-09-08 22:46:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-09-08 22:46:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-09-08 22:46:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-09-08 22:46:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-09-08 22:46:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-09-08 22:46:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-09-08 22:46:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-09-08 22:46:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-09-08 22:46:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-09-08 22:46:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-09-08 22:46:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-09-08 22:46:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-09-08 22:46:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-09-08 22:46:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-09-08 22:46:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-09-08 22:46:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-09-08 22:46:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-09-08 22:46:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-09-08 22:46:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-09-08 22:46:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-09-08 22:46:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-09-08 22:46:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-09-08 22:46:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-09-08 22:46:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-09-08 22:46:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-09-08 22:46:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-09-08 22:46:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-09-08 22:46:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-09-08 22:46:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-09-08 22:46:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-09-08 22:46:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-09-08 22:46:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-09-08 22:46:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-09-08 22:46:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-09-08 22:46:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-09-08 22:46:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-09-08 22:46:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-09-08 22:46:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-09-08 22:46:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-09-08 22:46:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 22:46:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 22:46:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 22:46:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-08 22:46:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 22:46:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 22:46:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 22:46:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 22:46:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 22:46:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 22:46:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 22:46:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 22:46:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 22:46:39,625 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-09-08 22:46:40,167 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 22:46:42,483 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 22:46:42,484 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 22:46:42,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 10:46:42 BoogieIcfgContainer [2019-09-08 22:46:42,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 22:46:42,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 22:46:42,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 22:46:42,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 22:46:42,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 10:46:30" (1/3) ... [2019-09-08 22:46:42,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328dee24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 10:46:42, skipping insertion in model container [2019-09-08 22:46:42,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:46:35" (2/3) ... [2019-09-08 22:46:42,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328dee24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 10:46:42, skipping insertion in model container [2019-09-08 22:46:42,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 10:46:42" (3/3) ... [2019-09-08 22:46:42,499 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2019-09-08 22:46:42,508 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 22:46:42,519 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-09-08 22:46:42,536 INFO L252 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-09-08 22:46:42,580 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 22:46:42,581 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 22:46:42,581 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 22:46:42,581 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 22:46:42,582 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 22:46:42,582 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 22:46:42,582 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 22:46:42,582 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 22:46:42,582 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 22:46:43,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states. [2019-09-08 22:46:43,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-09-08 22:46:43,196 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:46:43,198 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:46:43,200 INFO L418 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]=== [2019-09-08 22:46:43,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:46:43,207 INFO L82 PathProgramCache]: Analyzing trace with hash -190703791, now seen corresponding path program 1 times [2019-09-08 22:46:43,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:46:43,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:46:43,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:46:43,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:46:43,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:46:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:46:43,947 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-09-08 22:46:43,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:46:43,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:46:43,954 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:46:43,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:46:43,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:46:43,971 INFO L87 Difference]: Start difference. First operand 2698 states. Second operand 3 states. [2019-09-08 22:46:44,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:46:44,663 INFO L93 Difference]: Finished difference Result 6403 states and 8375 transitions. [2019-09-08 22:46:44,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:46:44,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-09-08 22:46:44,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:46:44,728 INFO L225 Difference]: With dead ends: 6403 [2019-09-08 22:46:44,728 INFO L226 Difference]: Without dead ends: 4222 [2019-09-08 22:46:44,751 INFO L628 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 [2019-09-08 22:46:44,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2019-09-08 22:46:45,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 4218. [2019-09-08 22:46:45,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4218 states. [2019-09-08 22:46:45,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4218 states to 4218 states and 5336 transitions. [2019-09-08 22:46:45,123 INFO L78 Accepts]: Start accepts. Automaton has 4218 states and 5336 transitions. Word has length 131 [2019-09-08 22:46:45,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:46:45,124 INFO L475 AbstractCegarLoop]: Abstraction has 4218 states and 5336 transitions. [2019-09-08 22:46:45,124 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:46:45,124 INFO L276 IsEmpty]: Start isEmpty. Operand 4218 states and 5336 transitions. [2019-09-08 22:46:45,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-09-08 22:46:45,132 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:46:45,132 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:46:45,133 INFO L418 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]=== [2019-09-08 22:46:45,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:46:45,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1789903188, now seen corresponding path program 1 times [2019-09-08 22:46:45,133 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:46:45,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:46:45,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:46:45,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:46:45,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:46:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:46:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-09-08 22:46:45,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:46:45,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:46:45,375 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:46:45,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:46:45,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:46:45,376 INFO L87 Difference]: Start difference. First operand 4218 states and 5336 transitions. Second operand 3 states. [2019-09-08 22:46:45,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:46:45,729 INFO L93 Difference]: Finished difference Result 11870 states and 15048 transitions. [2019-09-08 22:46:45,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:46:45,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2019-09-08 22:46:45,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:46:45,797 INFO L225 Difference]: With dead ends: 11870 [2019-09-08 22:46:45,797 INFO L226 Difference]: Without dead ends: 7693 [2019-09-08 22:46:45,896 INFO L628 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 [2019-09-08 22:46:45,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7693 states. [2019-09-08 22:46:46,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7693 to 7651. [2019-09-08 22:46:46,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7651 states. [2019-09-08 22:46:46,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7651 states to 7651 states and 9700 transitions. [2019-09-08 22:46:46,246 INFO L78 Accepts]: Start accepts. Automaton has 7651 states and 9700 transitions. Word has length 138 [2019-09-08 22:46:46,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:46:46,248 INFO L475 AbstractCegarLoop]: Abstraction has 7651 states and 9700 transitions. [2019-09-08 22:46:46,249 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:46:46,249 INFO L276 IsEmpty]: Start isEmpty. Operand 7651 states and 9700 transitions. [2019-09-08 22:46:46,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-09-08 22:46:46,264 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:46:46,264 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:46:46,265 INFO L418 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]=== [2019-09-08 22:46:46,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:46:46,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1447092826, now seen corresponding path program 1 times [2019-09-08 22:46:46,265 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:46:46,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:46:46,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:46:46,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:46:46,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:46:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:46:46,682 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-09-08 22:46:46,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:46:46,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:46:46,683 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:46:46,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:46:46,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:46:46,684 INFO L87 Difference]: Start difference. First operand 7651 states and 9700 transitions. Second operand 3 states. [2019-09-08 22:46:47,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:46:47,504 INFO L93 Difference]: Finished difference Result 21523 states and 27450 transitions. [2019-09-08 22:46:47,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:46:47,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2019-09-08 22:46:47,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:46:47,627 INFO L225 Difference]: With dead ends: 21523 [2019-09-08 22:46:47,627 INFO L226 Difference]: Without dead ends: 13913 [2019-09-08 22:46:47,662 INFO L628 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 [2019-09-08 22:46:47,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13913 states. [2019-09-08 22:46:48,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13913 to 13863. [2019-09-08 22:46:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13863 states. [2019-09-08 22:46:48,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13863 states to 13863 states and 17706 transitions. [2019-09-08 22:46:48,537 INFO L78 Accepts]: Start accepts. Automaton has 13863 states and 17706 transitions. Word has length 141 [2019-09-08 22:46:48,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:46:48,538 INFO L475 AbstractCegarLoop]: Abstraction has 13863 states and 17706 transitions. [2019-09-08 22:46:48,538 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:46:48,538 INFO L276 IsEmpty]: Start isEmpty. Operand 13863 states and 17706 transitions. [2019-09-08 22:46:48,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-09-08 22:46:48,544 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:46:48,544 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:46:48,545 INFO L418 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]=== [2019-09-08 22:46:48,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:46:48,545 INFO L82 PathProgramCache]: Analyzing trace with hash 600282474, now seen corresponding path program 1 times [2019-09-08 22:46:48,545 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:46:48,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:46:48,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:46:48,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:46:48,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:46:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:46:48,814 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-09-08 22:46:48,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:46:48,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 22:46:48,816 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 22:46:48,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 22:46:48,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-09-08 22:46:48,817 INFO L87 Difference]: Start difference. First operand 13863 states and 17706 transitions. Second operand 6 states. [2019-09-08 22:46:53,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:46:53,821 INFO L93 Difference]: Finished difference Result 30281 states and 38679 transitions. [2019-09-08 22:46:53,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 22:46:53,822 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2019-09-08 22:46:53,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:46:53,910 INFO L225 Difference]: With dead ends: 30281 [2019-09-08 22:46:53,910 INFO L226 Difference]: Without dead ends: 16459 [2019-09-08 22:46:53,967 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-09-08 22:46:53,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16459 states. [2019-09-08 22:46:54,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16459 to 16339. [2019-09-08 22:46:54,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16339 states. [2019-09-08 22:46:54,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16339 states to 16339 states and 20742 transitions. [2019-09-08 22:46:54,699 INFO L78 Accepts]: Start accepts. Automaton has 16339 states and 20742 transitions. Word has length 143 [2019-09-08 22:46:54,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:46:54,702 INFO L475 AbstractCegarLoop]: Abstraction has 16339 states and 20742 transitions. [2019-09-08 22:46:54,702 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 22:46:54,702 INFO L276 IsEmpty]: Start isEmpty. Operand 16339 states and 20742 transitions. [2019-09-08 22:46:54,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-09-08 22:46:54,706 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:46:54,706 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:46:54,707 INFO L418 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]=== [2019-09-08 22:46:54,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:46:54,707 INFO L82 PathProgramCache]: Analyzing trace with hash 748691192, now seen corresponding path program 1 times [2019-09-08 22:46:54,708 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:46:54,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:46:54,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:46:54,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:46:54,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:46:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:46:54,905 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-09-08 22:46:54,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:46:54,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:46:54,906 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:46:54,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:46:54,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:46:54,906 INFO L87 Difference]: Start difference. First operand 16339 states and 20742 transitions. Second operand 3 states. [2019-09-08 22:46:55,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:46:55,513 INFO L93 Difference]: Finished difference Result 45733 states and 57981 transitions. [2019-09-08 22:46:55,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:46:55,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2019-09-08 22:46:55,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:46:56,539 INFO L225 Difference]: With dead ends: 45733 [2019-09-08 22:46:56,540 INFO L226 Difference]: Without dead ends: 29435 [2019-09-08 22:46:56,582 INFO L628 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 [2019-09-08 22:46:56,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29435 states. [2019-09-08 22:46:57,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29435 to 29325. [2019-09-08 22:46:57,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29325 states. [2019-09-08 22:46:57,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29325 states to 29325 states and 37103 transitions. [2019-09-08 22:46:57,571 INFO L78 Accepts]: Start accepts. Automaton has 29325 states and 37103 transitions. Word has length 144 [2019-09-08 22:46:57,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:46:57,572 INFO L475 AbstractCegarLoop]: Abstraction has 29325 states and 37103 transitions. [2019-09-08 22:46:57,572 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:46:57,572 INFO L276 IsEmpty]: Start isEmpty. Operand 29325 states and 37103 transitions. [2019-09-08 22:46:57,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-09-08 22:46:57,575 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:46:57,575 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 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] [2019-09-08 22:46:57,576 INFO L418 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]=== [2019-09-08 22:46:57,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:46:57,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1429684481, now seen corresponding path program 1 times [2019-09-08 22:46:57,576 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:46:57,576 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:46:57,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:46:57,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:46:57,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:46:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:46:57,791 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2019-09-08 22:46:57,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:46:57,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:46:57,793 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:46:57,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:46:57,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:46:57,794 INFO L87 Difference]: Start difference. First operand 29325 states and 37103 transitions. Second operand 5 states. [2019-09-08 22:47:13,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:47:13,819 INFO L93 Difference]: Finished difference Result 86794 states and 109886 transitions. [2019-09-08 22:47:13,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 22:47:13,819 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 175 [2019-09-08 22:47:13,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:47:14,058 INFO L225 Difference]: With dead ends: 86794 [2019-09-08 22:47:14,058 INFO L226 Difference]: Without dead ends: 57510 [2019-09-08 22:47:14,129 INFO L628 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 [2019-09-08 22:47:14,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57510 states. [2019-09-08 22:47:15,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57510 to 57352. [2019-09-08 22:47:15,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57352 states. [2019-09-08 22:47:15,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57352 states to 57352 states and 72506 transitions. [2019-09-08 22:47:15,871 INFO L78 Accepts]: Start accepts. Automaton has 57352 states and 72506 transitions. Word has length 175 [2019-09-08 22:47:15,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:47:15,872 INFO L475 AbstractCegarLoop]: Abstraction has 57352 states and 72506 transitions. [2019-09-08 22:47:15,872 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:47:15,872 INFO L276 IsEmpty]: Start isEmpty. Operand 57352 states and 72506 transitions. [2019-09-08 22:47:15,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-09-08 22:47:15,875 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:47:15,876 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:47:15,876 INFO L418 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]=== [2019-09-08 22:47:15,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:47:15,876 INFO L82 PathProgramCache]: Analyzing trace with hash 2105612732, now seen corresponding path program 1 times [2019-09-08 22:47:15,876 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:47:15,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:47:15,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:47:15,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:47:15,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:47:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:47:16,051 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2019-09-08 22:47:16,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:47:16,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:47:16,052 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:47:16,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:47:16,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:47:16,053 INFO L87 Difference]: Start difference. First operand 57352 states and 72506 transitions. Second operand 3 states. [2019-09-08 22:47:19,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:47:19,533 INFO L93 Difference]: Finished difference Result 166878 states and 211289 transitions. [2019-09-08 22:47:19,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:47:19,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2019-09-08 22:47:19,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:47:20,000 INFO L225 Difference]: With dead ends: 166878 [2019-09-08 22:47:20,001 INFO L226 Difference]: Without dead ends: 109648 [2019-09-08 22:47:20,134 INFO L628 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 [2019-09-08 22:47:20,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109648 states. [2019-09-08 22:47:25,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109648 to 109644. [2019-09-08 22:47:25,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109644 states. [2019-09-08 22:47:25,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109644 states to 109644 states and 138536 transitions. [2019-09-08 22:47:25,312 INFO L78 Accepts]: Start accepts. Automaton has 109644 states and 138536 transitions. Word has length 212 [2019-09-08 22:47:25,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:47:25,313 INFO L475 AbstractCegarLoop]: Abstraction has 109644 states and 138536 transitions. [2019-09-08 22:47:25,313 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:47:25,313 INFO L276 IsEmpty]: Start isEmpty. Operand 109644 states and 138536 transitions. [2019-09-08 22:47:25,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-09-08 22:47:25,316 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:47:25,317 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:47:25,317 INFO L418 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]=== [2019-09-08 22:47:25,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:47:25,318 INFO L82 PathProgramCache]: Analyzing trace with hash -266126530, now seen corresponding path program 1 times [2019-09-08 22:47:25,318 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:47:25,318 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:47:25,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:47:25,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:47:25,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:47:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:47:25,545 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2019-09-08 22:47:25,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:47:25,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:47:25,547 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:47:25,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:47:25,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:47:25,548 INFO L87 Difference]: Start difference. First operand 109644 states and 138536 transitions. Second operand 5 states. [2019-09-08 22:47:27,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:47:27,748 INFO L93 Difference]: Finished difference Result 109650 states and 138541 transitions. [2019-09-08 22:47:27,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:47:27,748 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2019-09-08 22:47:27,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:47:28,245 INFO L225 Difference]: With dead ends: 109650 [2019-09-08 22:47:28,246 INFO L226 Difference]: Without dead ends: 109648 [2019-09-08 22:47:28,310 INFO L628 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 [2019-09-08 22:47:28,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109648 states. [2019-09-08 22:47:33,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109648 to 109648. [2019-09-08 22:47:33,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109648 states. [2019-09-08 22:47:33,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109648 states to 109648 states and 138539 transitions. [2019-09-08 22:47:33,991 INFO L78 Accepts]: Start accepts. Automaton has 109648 states and 138539 transitions. Word has length 212 [2019-09-08 22:47:33,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:47:33,992 INFO L475 AbstractCegarLoop]: Abstraction has 109648 states and 138539 transitions. [2019-09-08 22:47:33,992 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:47:33,992 INFO L276 IsEmpty]: Start isEmpty. Operand 109648 states and 138539 transitions. [2019-09-08 22:47:33,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-09-08 22:47:33,995 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:47:33,995 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:47:33,995 INFO L418 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]=== [2019-09-08 22:47:33,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:47:33,996 INFO L82 PathProgramCache]: Analyzing trace with hash -279539989, now seen corresponding path program 1 times [2019-09-08 22:47:33,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:47:33,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:47:33,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:47:33,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:47:33,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:47:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:47:34,220 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2019-09-08 22:47:34,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:47:34,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:47:34,223 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:47:34,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:47:34,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:47:34,224 INFO L87 Difference]: Start difference. First operand 109648 states and 138539 transitions. Second operand 5 states. [2019-09-08 22:47:36,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:47:36,481 INFO L93 Difference]: Finished difference Result 109654 states and 138544 transitions. [2019-09-08 22:47:36,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:47:36,482 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 217 [2019-09-08 22:47:36,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:47:36,848 INFO L225 Difference]: With dead ends: 109654 [2019-09-08 22:47:36,849 INFO L226 Difference]: Without dead ends: 109652 [2019-09-08 22:47:36,881 INFO L628 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 [2019-09-08 22:47:36,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109652 states. [2019-09-08 22:47:42,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109652 to 109652. [2019-09-08 22:47:42,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109652 states. [2019-09-08 22:47:42,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109652 states to 109652 states and 138542 transitions. [2019-09-08 22:47:42,632 INFO L78 Accepts]: Start accepts. Automaton has 109652 states and 138542 transitions. Word has length 217 [2019-09-08 22:47:42,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:47:42,633 INFO L475 AbstractCegarLoop]: Abstraction has 109652 states and 138542 transitions. [2019-09-08 22:47:42,633 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:47:42,634 INFO L276 IsEmpty]: Start isEmpty. Operand 109652 states and 138542 transitions. [2019-09-08 22:47:42,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-09-08 22:47:42,638 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:47:42,638 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:47:42,638 INFO L418 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]=== [2019-09-08 22:47:42,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:47:42,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1100125982, now seen corresponding path program 1 times [2019-09-08 22:47:42,639 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:47:42,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:47:42,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:47:42,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:47:42,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:47:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:47:42,877 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2019-09-08 22:47:42,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:47:42,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:47:42,878 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:47:42,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:47:42,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:47:42,879 INFO L87 Difference]: Start difference. First operand 109652 states and 138542 transitions. Second operand 5 states. [2019-09-08 22:47:45,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:47:45,144 INFO L93 Difference]: Finished difference Result 109658 states and 138547 transitions. [2019-09-08 22:47:45,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:47:45,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 222 [2019-09-08 22:47:45,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:47:45,457 INFO L225 Difference]: With dead ends: 109658 [2019-09-08 22:47:45,457 INFO L226 Difference]: Without dead ends: 109656 [2019-09-08 22:47:45,498 INFO L628 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 [2019-09-08 22:47:45,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109656 states. [2019-09-08 22:47:48,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109656 to 109656. [2019-09-08 22:47:48,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109656 states. [2019-09-08 22:47:48,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109656 states to 109656 states and 138545 transitions. [2019-09-08 22:47:48,788 INFO L78 Accepts]: Start accepts. Automaton has 109656 states and 138545 transitions. Word has length 222 [2019-09-08 22:47:48,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:47:48,789 INFO L475 AbstractCegarLoop]: Abstraction has 109656 states and 138545 transitions. [2019-09-08 22:47:48,789 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:47:48,789 INFO L276 IsEmpty]: Start isEmpty. Operand 109656 states and 138545 transitions. [2019-09-08 22:47:48,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-09-08 22:47:48,792 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:47:48,792 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:47:48,793 INFO L418 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]=== [2019-09-08 22:47:48,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:47:48,793 INFO L82 PathProgramCache]: Analyzing trace with hash -222310773, now seen corresponding path program 1 times [2019-09-08 22:47:48,793 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:47:48,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:47:48,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:47:48,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:47:48,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:47:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:47:48,995 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2019-09-08 22:47:48,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:47:48,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:47:48,996 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:47:48,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:47:48,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:47:48,997 INFO L87 Difference]: Start difference. First operand 109656 states and 138545 transitions. Second operand 5 states. [2019-09-08 22:47:53,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:47:53,103 INFO L93 Difference]: Finished difference Result 109662 states and 138550 transitions. [2019-09-08 22:47:53,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:47:53,104 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 227 [2019-09-08 22:47:53,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:47:53,441 INFO L225 Difference]: With dead ends: 109662 [2019-09-08 22:47:53,441 INFO L226 Difference]: Without dead ends: 109660 [2019-09-08 22:47:53,488 INFO L628 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 [2019-09-08 22:47:53,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109660 states. [2019-09-08 22:47:56,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109660 to 109660. [2019-09-08 22:47:56,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109660 states. [2019-09-08 22:47:56,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109660 states to 109660 states and 138548 transitions. [2019-09-08 22:47:56,927 INFO L78 Accepts]: Start accepts. Automaton has 109660 states and 138548 transitions. Word has length 227 [2019-09-08 22:47:56,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:47:56,928 INFO L475 AbstractCegarLoop]: Abstraction has 109660 states and 138548 transitions. [2019-09-08 22:47:56,928 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:47:56,928 INFO L276 IsEmpty]: Start isEmpty. Operand 109660 states and 138548 transitions. [2019-09-08 22:47:56,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-09-08 22:47:56,932 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:47:56,933 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:47:56,933 INFO L418 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]=== [2019-09-08 22:47:56,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:47:56,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1973794050, now seen corresponding path program 1 times [2019-09-08 22:47:56,934 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:47:56,934 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:47:56,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:47:56,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:47:56,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:47:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:47:57,123 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2019-09-08 22:47:57,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:47:57,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:47:57,124 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:47:57,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:47:57,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:47:57,125 INFO L87 Difference]: Start difference. First operand 109660 states and 138548 transitions. Second operand 5 states. [2019-09-08 22:47:59,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:47:59,774 INFO L93 Difference]: Finished difference Result 109666 states and 138553 transitions. [2019-09-08 22:47:59,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:47:59,775 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2019-09-08 22:47:59,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:48:00,097 INFO L225 Difference]: With dead ends: 109666 [2019-09-08 22:48:00,097 INFO L226 Difference]: Without dead ends: 109664 [2019-09-08 22:48:00,137 INFO L628 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 [2019-09-08 22:48:00,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109664 states. [2019-09-08 22:48:03,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109664 to 109664. [2019-09-08 22:48:03,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109664 states. [2019-09-08 22:48:07,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109664 states to 109664 states and 138551 transitions. [2019-09-08 22:48:07,437 INFO L78 Accepts]: Start accepts. Automaton has 109664 states and 138551 transitions. Word has length 232 [2019-09-08 22:48:07,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:48:07,438 INFO L475 AbstractCegarLoop]: Abstraction has 109664 states and 138551 transitions. [2019-09-08 22:48:07,438 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:48:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 109664 states and 138551 transitions. [2019-09-08 22:48:07,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-09-08 22:48:07,441 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:48:07,442 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:48:07,442 INFO L418 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]=== [2019-09-08 22:48:07,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:48:07,442 INFO L82 PathProgramCache]: Analyzing trace with hash 4699691, now seen corresponding path program 1 times [2019-09-08 22:48:07,443 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:48:07,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:48:07,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:48:07,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:48:07,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:48:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:48:07,640 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-09-08 22:48:07,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:48:07,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:48:07,641 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:48:07,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:48:07,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:48:07,642 INFO L87 Difference]: Start difference. First operand 109664 states and 138551 transitions. Second operand 5 states. [2019-09-08 22:48:10,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:48:10,454 INFO L93 Difference]: Finished difference Result 109670 states and 138556 transitions. [2019-09-08 22:48:10,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:48:10,455 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 237 [2019-09-08 22:48:10,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:48:10,743 INFO L225 Difference]: With dead ends: 109670 [2019-09-08 22:48:10,743 INFO L226 Difference]: Without dead ends: 109668 [2019-09-08 22:48:10,786 INFO L628 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 [2019-09-08 22:48:10,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109668 states. [2019-09-08 22:48:14,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109668 to 109668. [2019-09-08 22:48:14,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109668 states. [2019-09-08 22:48:14,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109668 states to 109668 states and 138554 transitions. [2019-09-08 22:48:14,625 INFO L78 Accepts]: Start accepts. Automaton has 109668 states and 138554 transitions. Word has length 237 [2019-09-08 22:48:14,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:48:14,626 INFO L475 AbstractCegarLoop]: Abstraction has 109668 states and 138554 transitions. [2019-09-08 22:48:14,626 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:48:14,626 INFO L276 IsEmpty]: Start isEmpty. Operand 109668 states and 138554 transitions. [2019-09-08 22:48:14,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-09-08 22:48:14,631 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:48:14,631 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 7, 6, 6, 5, 5, 5, 4, 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] [2019-09-08 22:48:14,632 INFO L418 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]=== [2019-09-08 22:48:14,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:48:14,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1352900015, now seen corresponding path program 1 times [2019-09-08 22:48:14,632 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:48:14,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:48:14,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:48:14,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:48:14,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:48:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:48:14,803 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2019-09-08 22:48:14,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:48:14,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:48:14,804 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:48:14,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:48:14,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:48:14,805 INFO L87 Difference]: Start difference. First operand 109668 states and 138554 transitions. Second operand 3 states. [2019-09-08 22:48:21,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:48:21,304 INFO L93 Difference]: Finished difference Result 271601 states and 343525 transitions. [2019-09-08 22:48:21,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:48:21,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2019-09-08 22:48:21,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:48:21,806 INFO L225 Difference]: With dead ends: 271601 [2019-09-08 22:48:21,806 INFO L226 Difference]: Without dead ends: 162055 [2019-09-08 22:48:22,019 INFO L628 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 [2019-09-08 22:48:22,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162055 states. [2019-09-08 22:48:27,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162055 to 162008. [2019-09-08 22:48:27,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162008 states. [2019-09-08 22:48:27,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162008 states to 162008 states and 204550 transitions. [2019-09-08 22:48:27,624 INFO L78 Accepts]: Start accepts. Automaton has 162008 states and 204550 transitions. Word has length 269 [2019-09-08 22:48:27,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:48:27,625 INFO L475 AbstractCegarLoop]: Abstraction has 162008 states and 204550 transitions. [2019-09-08 22:48:27,625 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:48:27,625 INFO L276 IsEmpty]: Start isEmpty. Operand 162008 states and 204550 transitions. [2019-09-08 22:48:27,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-09-08 22:48:27,629 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:48:27,630 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 7, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:48:27,630 INFO L418 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]=== [2019-09-08 22:48:27,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:48:27,631 INFO L82 PathProgramCache]: Analyzing trace with hash 434919134, now seen corresponding path program 1 times [2019-09-08 22:48:27,631 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:48:27,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:48:27,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:48:27,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:48:27,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:48:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:48:27,819 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2019-09-08 22:48:27,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:48:27,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:48:27,820 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:48:27,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:48:27,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:48:27,821 INFO L87 Difference]: Start difference. First operand 162008 states and 204550 transitions. Second operand 5 states. [2019-09-08 22:48:35,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:48:35,645 INFO L93 Difference]: Finished difference Result 179920 states and 225154 transitions. [2019-09-08 22:48:35,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:48:35,645 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 242 [2019-09-08 22:48:35,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:48:36,481 INFO L225 Difference]: With dead ends: 179920 [2019-09-08 22:48:36,481 INFO L226 Difference]: Without dead ends: 179918 [2019-09-08 22:48:36,529 INFO L628 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 [2019-09-08 22:48:36,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179918 states. [2019-09-08 22:48:41,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179918 to 179916. [2019-09-08 22:48:41,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179916 states. [2019-09-08 22:48:41,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179916 states to 179916 states and 225151 transitions. [2019-09-08 22:48:41,987 INFO L78 Accepts]: Start accepts. Automaton has 179916 states and 225151 transitions. Word has length 242 [2019-09-08 22:48:41,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:48:41,987 INFO L475 AbstractCegarLoop]: Abstraction has 179916 states and 225151 transitions. [2019-09-08 22:48:41,987 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:48:41,988 INFO L276 IsEmpty]: Start isEmpty. Operand 179916 states and 225151 transitions. [2019-09-08 22:48:41,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-09-08 22:48:41,992 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:48:41,992 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 7, 7, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:48:41,993 INFO L418 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]=== [2019-09-08 22:48:41,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:48:41,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1615051317, now seen corresponding path program 1 times [2019-09-08 22:48:41,993 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:48:41,993 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:48:41,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:48:41,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:48:41,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:48:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:48:42,817 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2019-09-08 22:48:42,818 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:48:42,818 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:48:42,819 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:48:42,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:48:42,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:48:42,819 INFO L87 Difference]: Start difference. First operand 179916 states and 225151 transitions. Second operand 5 states. [2019-09-08 22:48:49,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:48:49,748 INFO L93 Difference]: Finished difference Result 182660 states and 228013 transitions. [2019-09-08 22:48:49,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:48:49,749 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 247 [2019-09-08 22:48:49,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:48:50,217 INFO L225 Difference]: With dead ends: 182660 [2019-09-08 22:48:50,217 INFO L226 Difference]: Without dead ends: 182658 [2019-09-08 22:48:50,269 INFO L628 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 [2019-09-08 22:48:50,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182658 states. [2019-09-08 22:48:56,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182658 to 182656. [2019-09-08 22:48:56,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182656 states. [2019-09-08 22:48:56,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182656 states to 182656 states and 228010 transitions. [2019-09-08 22:48:56,543 INFO L78 Accepts]: Start accepts. Automaton has 182656 states and 228010 transitions. Word has length 247 [2019-09-08 22:48:56,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:48:56,544 INFO L475 AbstractCegarLoop]: Abstraction has 182656 states and 228010 transitions. [2019-09-08 22:48:56,544 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:48:56,544 INFO L276 IsEmpty]: Start isEmpty. Operand 182656 states and 228010 transitions. [2019-09-08 22:48:56,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-09-08 22:48:56,549 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:48:56,550 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 9, 8, 8, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:48:56,550 INFO L418 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]=== [2019-09-08 22:48:56,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:48:56,550 INFO L82 PathProgramCache]: Analyzing trace with hash 423279294, now seen corresponding path program 1 times [2019-09-08 22:48:56,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:48:56,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:48:56,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:48:56,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:48:56,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:48:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:48:56,753 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2019-09-08 22:48:56,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:48:56,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:48:56,754 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:48:56,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:48:56,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:48:56,755 INFO L87 Difference]: Start difference. First operand 182656 states and 228010 transitions. Second operand 5 states. [2019-09-08 22:49:04,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:49:04,969 INFO L93 Difference]: Finished difference Result 182662 states and 228015 transitions. [2019-09-08 22:49:04,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:49:04,970 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 252 [2019-09-08 22:49:04,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:49:05,403 INFO L225 Difference]: With dead ends: 182662 [2019-09-08 22:49:05,403 INFO L226 Difference]: Without dead ends: 182660 [2019-09-08 22:49:05,449 INFO L628 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 [2019-09-08 22:49:05,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182660 states. [2019-09-08 22:49:11,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182660 to 182660. [2019-09-08 22:49:11,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182660 states. [2019-09-08 22:49:11,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182660 states to 182660 states and 228013 transitions. [2019-09-08 22:49:11,626 INFO L78 Accepts]: Start accepts. Automaton has 182660 states and 228013 transitions. Word has length 252 [2019-09-08 22:49:11,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:49:11,627 INFO L475 AbstractCegarLoop]: Abstraction has 182660 states and 228013 transitions. [2019-09-08 22:49:11,627 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:49:11,627 INFO L276 IsEmpty]: Start isEmpty. Operand 182660 states and 228013 transitions. [2019-09-08 22:49:11,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-09-08 22:49:11,631 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:49:11,631 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:49:11,632 INFO L418 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]=== [2019-09-08 22:49:11,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:49:11,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1869315435, now seen corresponding path program 1 times [2019-09-08 22:49:11,632 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:49:11,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:49:11,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:49:11,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:49:11,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:49:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:49:11,809 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2019-09-08 22:49:11,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:49:11,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:49:11,810 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:49:11,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:49:11,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:49:11,811 INFO L87 Difference]: Start difference. First operand 182660 states and 228013 transitions. Second operand 5 states. [2019-09-08 22:49:19,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:49:19,637 INFO L93 Difference]: Finished difference Result 182666 states and 228018 transitions. [2019-09-08 22:49:19,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:49:19,638 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 257 [2019-09-08 22:49:19,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:49:20,097 INFO L225 Difference]: With dead ends: 182666 [2019-09-08 22:49:20,097 INFO L226 Difference]: Without dead ends: 182664 [2019-09-08 22:49:20,146 INFO L628 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 [2019-09-08 22:49:20,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182664 states. [2019-09-08 22:49:26,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182664 to 182664. [2019-09-08 22:49:26,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182664 states. [2019-09-08 22:49:26,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182664 states to 182664 states and 228016 transitions. [2019-09-08 22:49:26,766 INFO L78 Accepts]: Start accepts. Automaton has 182664 states and 228016 transitions. Word has length 257 [2019-09-08 22:49:26,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:49:26,767 INFO L475 AbstractCegarLoop]: Abstraction has 182664 states and 228016 transitions. [2019-09-08 22:49:26,767 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:49:26,767 INFO L276 IsEmpty]: Start isEmpty. Operand 182664 states and 228016 transitions. [2019-09-08 22:49:26,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-09-08 22:49:26,772 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:49:26,772 INFO L399 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:49:26,772 INFO L418 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]=== [2019-09-08 22:49:26,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:49:26,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1430817122, now seen corresponding path program 1 times [2019-09-08 22:49:26,772 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:49:26,773 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:49:26,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:49:26,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:49:26,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:49:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:49:26,974 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2019-09-08 22:49:26,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:49:26,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:49:26,977 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:49:26,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:49:26,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:49:26,977 INFO L87 Difference]: Start difference. First operand 182664 states and 228016 transitions. Second operand 5 states. [2019-09-08 22:49:36,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:49:36,391 INFO L93 Difference]: Finished difference Result 182670 states and 228021 transitions. [2019-09-08 22:49:36,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:49:36,391 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 262 [2019-09-08 22:49:36,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:49:36,878 INFO L225 Difference]: With dead ends: 182670 [2019-09-08 22:49:36,879 INFO L226 Difference]: Without dead ends: 182668 [2019-09-08 22:49:36,917 INFO L628 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 [2019-09-08 22:49:37,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182668 states. [2019-09-08 22:49:43,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182668 to 182668. [2019-09-08 22:49:43,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182668 states. [2019-09-08 22:49:43,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182668 states to 182668 states and 228019 transitions. [2019-09-08 22:49:43,545 INFO L78 Accepts]: Start accepts. Automaton has 182668 states and 228019 transitions. Word has length 262 [2019-09-08 22:49:43,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:49:43,546 INFO L475 AbstractCegarLoop]: Abstraction has 182668 states and 228019 transitions. [2019-09-08 22:49:43,546 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:49:43,546 INFO L276 IsEmpty]: Start isEmpty. Operand 182668 states and 228019 transitions. [2019-09-08 22:49:43,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-09-08 22:49:43,550 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:49:43,551 INFO L399 BasicCegarLoop]: trace histogram [12, 11, 11, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:49:43,551 INFO L418 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]=== [2019-09-08 22:49:43,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:49:43,551 INFO L82 PathProgramCache]: Analyzing trace with hash 69426443, now seen corresponding path program 1 times [2019-09-08 22:49:43,551 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:49:43,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:49:43,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:49:43,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:49:43,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:49:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:49:43,734 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2019-09-08 22:49:43,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:49:43,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:49:43,735 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:49:43,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:49:43,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:49:43,735 INFO L87 Difference]: Start difference. First operand 182668 states and 228019 transitions. Second operand 5 states. [2019-09-08 22:49:51,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:49:51,904 INFO L93 Difference]: Finished difference Result 182674 states and 228024 transitions. [2019-09-08 22:49:51,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:49:51,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 267 [2019-09-08 22:49:51,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:49:52,378 INFO L225 Difference]: With dead ends: 182674 [2019-09-08 22:49:52,378 INFO L226 Difference]: Without dead ends: 182670 [2019-09-08 22:49:52,429 INFO L628 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 [2019-09-08 22:49:52,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182670 states. [2019-09-08 22:49:59,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182670 to 182670. [2019-09-08 22:49:59,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182670 states. [2019-09-08 22:49:59,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182670 states to 182670 states and 228020 transitions. [2019-09-08 22:49:59,968 INFO L78 Accepts]: Start accepts. Automaton has 182670 states and 228020 transitions. Word has length 267 [2019-09-08 22:49:59,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:49:59,968 INFO L475 AbstractCegarLoop]: Abstraction has 182670 states and 228020 transitions. [2019-09-08 22:49:59,968 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:49:59,968 INFO L276 IsEmpty]: Start isEmpty. Operand 182670 states and 228020 transitions. [2019-09-08 22:49:59,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-09-08 22:49:59,973 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:49:59,974 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 6, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:49:59,974 INFO L418 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]=== [2019-09-08 22:49:59,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:49:59,974 INFO L82 PathProgramCache]: Analyzing trace with hash 2023029084, now seen corresponding path program 1 times [2019-09-08 22:49:59,975 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:49:59,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:49:59,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:49:59,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:49:59,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:50:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:50:00,161 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2019-09-08 22:50:00,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:50:00,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:50:00,162 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:50:00,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:50:00,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:50:00,163 INFO L87 Difference]: Start difference. First operand 182670 states and 228020 transitions. Second operand 5 states. [2019-09-08 22:50:29,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:50:29,664 INFO L93 Difference]: Finished difference Result 407816 states and 509136 transitions. [2019-09-08 22:50:29,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 22:50:29,664 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 267 [2019-09-08 22:50:29,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:50:30,275 INFO L225 Difference]: With dead ends: 407816 [2019-09-08 22:50:30,275 INFO L226 Difference]: Without dead ends: 225268 [2019-09-08 22:50:30,499 INFO L628 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 [2019-09-08 22:50:30,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225268 states. [2019-09-08 22:50:39,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225268 to 225038. [2019-09-08 22:50:39,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225038 states. [2019-09-08 22:50:39,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225038 states to 225038 states and 280022 transitions. [2019-09-08 22:50:39,607 INFO L78 Accepts]: Start accepts. Automaton has 225038 states and 280022 transitions. Word has length 267 [2019-09-08 22:50:39,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:50:39,608 INFO L475 AbstractCegarLoop]: Abstraction has 225038 states and 280022 transitions. [2019-09-08 22:50:39,608 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:50:39,608 INFO L276 IsEmpty]: Start isEmpty. Operand 225038 states and 280022 transitions. [2019-09-08 22:50:39,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-09-08 22:50:39,611 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:50:39,611 INFO L399 BasicCegarLoop]: trace histogram [13, 12, 12, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:50:39,611 INFO L418 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]=== [2019-09-08 22:50:39,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:50:39,612 INFO L82 PathProgramCache]: Analyzing trace with hash 173312638, now seen corresponding path program 1 times [2019-09-08 22:50:39,612 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:50:39,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:50:39,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:50:39,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:50:39,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:50:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:50:39,784 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2019-09-08 22:50:39,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:50:39,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:50:39,785 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:50:39,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:50:39,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:50:39,786 INFO L87 Difference]: Start difference. First operand 225038 states and 280022 transitions. Second operand 5 states. [2019-09-08 22:50:50,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:50:50,408 INFO L93 Difference]: Finished difference Result 225038 states and 280022 transitions. [2019-09-08 22:50:50,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:50:50,409 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 272 [2019-09-08 22:50:50,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:50:51,003 INFO L225 Difference]: With dead ends: 225038 [2019-09-08 22:50:51,004 INFO L226 Difference]: Without dead ends: 223018 [2019-09-08 22:50:51,065 INFO L628 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 [2019-09-08 22:50:51,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223018 states. [2019-09-08 22:51:00,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223018 to 223015. [2019-09-08 22:51:00,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223015 states. [2019-09-08 22:51:01,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223015 states to 223015 states and 277196 transitions. [2019-09-08 22:51:01,077 INFO L78 Accepts]: Start accepts. Automaton has 223015 states and 277196 transitions. Word has length 272 [2019-09-08 22:51:01,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:51:01,077 INFO L475 AbstractCegarLoop]: Abstraction has 223015 states and 277196 transitions. [2019-09-08 22:51:01,077 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:51:01,077 INFO L276 IsEmpty]: Start isEmpty. Operand 223015 states and 277196 transitions. [2019-09-08 22:51:01,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-09-08 22:51:01,082 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:51:01,082 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:51:01,083 INFO L418 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]=== [2019-09-08 22:51:01,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:51:01,083 INFO L82 PathProgramCache]: Analyzing trace with hash 164487453, now seen corresponding path program 1 times [2019-09-08 22:51:01,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:51:01,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:51:01,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:51:01,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:51:01,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:51:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:51:01,273 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2019-09-08 22:51:01,273 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:51:01,273 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 22:51:01,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:51:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:51:01,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 3571 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 22:51:01,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:51:02,054 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2019-09-08 22:51:02,063 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 22:51:02,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-09-08 22:51:02,064 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 22:51:02,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 22:51:02,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-08 22:51:02,067 INFO L87 Difference]: Start difference. First operand 223015 states and 277196 transitions. Second operand 8 states. [2019-09-08 22:51:45,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:51:45,433 INFO L93 Difference]: Finished difference Result 555716 states and 690915 transitions. [2019-09-08 22:51:45,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-08 22:51:45,434 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 309 [2019-09-08 22:51:45,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:51:46,914 INFO L225 Difference]: With dead ends: 555716 [2019-09-08 22:51:46,914 INFO L226 Difference]: Without dead ends: 332211 [2019-09-08 22:51:48,175 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2019-09-08 22:51:48,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332211 states. [2019-09-08 22:52:11,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332211 to 259342. [2019-09-08 22:52:11,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259342 states. [2019-09-08 22:52:11,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259342 states to 259342 states and 321821 transitions. [2019-09-08 22:52:11,737 INFO L78 Accepts]: Start accepts. Automaton has 259342 states and 321821 transitions. Word has length 309 [2019-09-08 22:52:11,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:52:11,738 INFO L475 AbstractCegarLoop]: Abstraction has 259342 states and 321821 transitions. [2019-09-08 22:52:11,738 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 22:52:11,738 INFO L276 IsEmpty]: Start isEmpty. Operand 259342 states and 321821 transitions. [2019-09-08 22:52:11,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-09-08 22:52:11,746 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:52:11,747 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:52:11,747 INFO L418 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]=== [2019-09-08 22:52:11,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:52:11,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1741915813, now seen corresponding path program 1 times [2019-09-08 22:52:11,748 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:52:11,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:52:11,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:52:11,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:52:11,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:52:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:52:12,060 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2019-09-08 22:52:12,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:52:12,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:52:12,062 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:52:12,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:52:12,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:52:12,063 INFO L87 Difference]: Start difference. First operand 259342 states and 321821 transitions. Second operand 5 states. [2019-09-08 22:52:21,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:52:21,784 INFO L93 Difference]: Finished difference Result 259906 states and 322383 transitions. [2019-09-08 22:52:21,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:52:21,785 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 309 [2019-09-08 22:52:21,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:52:22,619 INFO L225 Difference]: With dead ends: 259906 [2019-09-08 22:52:22,620 INFO L226 Difference]: Without dead ends: 259904 [2019-09-08 22:52:22,695 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 22:52:22,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259904 states. [2019-09-08 22:52:39,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259904 to 259902. [2019-09-08 22:52:39,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259902 states. [2019-09-08 22:52:40,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259902 states to 259902 states and 322179 transitions. [2019-09-08 22:52:40,733 INFO L78 Accepts]: Start accepts. Automaton has 259902 states and 322179 transitions. Word has length 309 [2019-09-08 22:52:40,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:52:40,733 INFO L475 AbstractCegarLoop]: Abstraction has 259902 states and 322179 transitions. [2019-09-08 22:52:40,733 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:52:40,734 INFO L276 IsEmpty]: Start isEmpty. Operand 259902 states and 322179 transitions. [2019-09-08 22:52:40,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2019-09-08 22:52:40,743 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:52:40,743 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:52:40,744 INFO L418 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]=== [2019-09-08 22:52:40,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:52:40,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1878717289, now seen corresponding path program 1 times [2019-09-08 22:52:40,744 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:52:40,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:52:40,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:52:40,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:52:40,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:52:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:52:41,020 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2019-09-08 22:52:41,021 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:52:41,021 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 22:52:41,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:52:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:52:41,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 3979 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 22:52:41,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:52:42,114 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 76 proven. 5 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2019-09-08 22:52:42,132 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 22:52:42,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-09-08 22:52:42,133 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 22:52:42,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 22:52:42,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-08 22:52:42,142 INFO L87 Difference]: Start difference. First operand 259902 states and 322179 transitions. Second operand 8 states. [2019-09-08 22:53:30,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:53:30,870 INFO L93 Difference]: Finished difference Result 660282 states and 818175 transitions. [2019-09-08 22:53:30,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-08 22:53:30,871 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 343 [2019-09-08 22:53:30,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:53:32,195 INFO L225 Difference]: With dead ends: 660282 [2019-09-08 22:53:32,195 INFO L226 Difference]: Without dead ends: 400170 [2019-09-08 22:53:32,524 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2019-09-08 22:53:32,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400170 states. [2019-09-08 22:53:58,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400170 to 398018. [2019-09-08 22:53:58,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398018 states. [2019-09-08 22:54:00,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398018 states to 398018 states and 491387 transitions. [2019-09-08 22:54:00,232 INFO L78 Accepts]: Start accepts. Automaton has 398018 states and 491387 transitions. Word has length 343 [2019-09-08 22:54:00,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:54:00,233 INFO L475 AbstractCegarLoop]: Abstraction has 398018 states and 491387 transitions. [2019-09-08 22:54:00,233 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 22:54:00,233 INFO L276 IsEmpty]: Start isEmpty. Operand 398018 states and 491387 transitions. [2019-09-08 22:54:00,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2019-09-08 22:54:00,241 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:54:00,242 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 8, 8, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:54:00,242 INFO L418 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]=== [2019-09-08 22:54:00,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:54:00,242 INFO L82 PathProgramCache]: Analyzing trace with hash -97742635, now seen corresponding path program 1 times [2019-09-08 22:54:00,242 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:54:00,243 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:54:00,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:54:00,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:54:00,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:54:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:54:00,466 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2019-09-08 22:54:00,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:54:00,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:54:00,468 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:54:00,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:54:00,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:54:00,469 INFO L87 Difference]: Start difference. First operand 398018 states and 491387 transitions. Second operand 5 states. [2019-09-08 22:54:16,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:54:16,137 INFO L93 Difference]: Finished difference Result 398020 states and 491388 transitions. [2019-09-08 22:54:16,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:54:16,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 345 [2019-09-08 22:54:16,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:54:17,278 INFO L225 Difference]: With dead ends: 398020 [2019-09-08 22:54:17,279 INFO L226 Difference]: Without dead ends: 388782 [2019-09-08 22:54:17,381 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 22:54:17,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388782 states. [2019-09-08 22:54:45,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388782 to 388782. [2019-09-08 22:54:45,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388782 states. [2019-09-08 22:54:45,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388782 states to 388782 states and 479317 transitions. [2019-09-08 22:54:45,845 INFO L78 Accepts]: Start accepts. Automaton has 388782 states and 479317 transitions. Word has length 345 [2019-09-08 22:54:45,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:54:45,845 INFO L475 AbstractCegarLoop]: Abstraction has 388782 states and 479317 transitions. [2019-09-08 22:54:45,845 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:54:45,846 INFO L276 IsEmpty]: Start isEmpty. Operand 388782 states and 479317 transitions. [2019-09-08 22:54:45,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2019-09-08 22:54:45,855 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:54:45,856 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:54:45,856 INFO L418 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]=== [2019-09-08 22:54:45,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:54:45,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1677748935, now seen corresponding path program 1 times [2019-09-08 22:54:45,857 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:54:45,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:54:45,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:54:45,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:54:45,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:54:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:54:46,135 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2019-09-08 22:54:46,135 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:54:46,136 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 22:54:46,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 22:54:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:54:46,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 3998 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 22:54:46,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:54:46,937 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 85 proven. 5 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2019-09-08 22:54:46,947 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 22:54:46,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-09-08 22:54:46,948 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 22:54:46,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 22:54:46,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-08 22:54:46,948 INFO L87 Difference]: Start difference. First operand 388782 states and 479317 transitions. Second operand 8 states. [2019-09-08 22:55:46,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:55:46,992 INFO L93 Difference]: Finished difference Result 827939 states and 1020077 transitions. [2019-09-08 22:55:46,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-08 22:55:46,993 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 357 [2019-09-08 22:55:46,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:55:48,714 INFO L225 Difference]: With dead ends: 827939 [2019-09-08 22:55:48,714 INFO L226 Difference]: Without dead ends: 439289 [2019-09-08 22:55:49,186 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2019-09-08 22:55:49,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439289 states. [2019-09-08 22:56:19,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439289 to 438667. [2019-09-08 22:56:19,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438667 states. [2019-09-08 22:56:20,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438667 states to 438667 states and 539602 transitions. [2019-09-08 22:56:20,508 INFO L78 Accepts]: Start accepts. Automaton has 438667 states and 539602 transitions. Word has length 357 [2019-09-08 22:56:20,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:56:20,509 INFO L475 AbstractCegarLoop]: Abstraction has 438667 states and 539602 transitions. [2019-09-08 22:56:20,509 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 22:56:20,509 INFO L276 IsEmpty]: Start isEmpty. Operand 438667 states and 539602 transitions. [2019-09-08 22:56:20,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2019-09-08 22:56:20,533 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:56:20,533 INFO L399 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:56:20,533 INFO L418 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]=== [2019-09-08 22:56:20,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:56:20,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1699829792, now seen corresponding path program 1 times [2019-09-08 22:56:20,534 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:56:20,534 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:56:20,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:56:20,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:56:20,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:56:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:56:20,844 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2019-09-08 22:56:20,844 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:56:20,844 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 22:56:20,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:56:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:56:22,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 4441 conjuncts, 48 conjunts are in the unsatisfiable core [2019-09-08 22:56:22,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:56:22,609 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 18 proven. 174 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2019-09-08 22:56:22,626 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 22:56:22,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2019-09-08 22:56:22,627 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 22:56:22,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 22:56:22,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-09-08 22:56:22,628 INFO L87 Difference]: Start difference. First operand 438667 states and 539602 transitions. Second operand 8 states. [2019-09-08 22:56:52,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:56:52,578 INFO L93 Difference]: Finished difference Result 438667 states and 539602 transitions. [2019-09-08 22:56:52,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 22:56:52,579 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 433 [2019-09-08 22:56:52,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:56:54,422 INFO L225 Difference]: With dead ends: 438667 [2019-09-08 22:56:54,422 INFO L226 Difference]: Without dead ends: 438665 [2019-09-08 22:56:54,519 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 445 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-09-08 22:56:54,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438665 states.