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-smsc-epic100.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 22:58:49,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 22:58:49,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 22:58:49,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 22:58:49,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 22:58:49,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 22:58:49,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 22:58:49,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 22:58:49,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 22:58:49,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 22:58:49,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 22:58:49,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 22:58:49,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 22:58:49,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 22:58:49,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 22:58:49,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 22:58:49,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 22:58:49,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 22:58:49,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 22:58:49,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 22:58:49,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 22:58:49,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 22:58:49,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 22:58:49,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 22:58:49,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 22:58:49,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 22:58:49,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 22:58:49,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 22:58:49,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 22:58:49,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 22:58:49,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 22:58:49,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 22:58:49,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 22:58:49,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 22:58:49,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 22:58:49,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 22:58:49,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 22:58:49,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 22:58:49,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 22:58:49,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 22:58:49,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 22:58:49,447 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 22:58:49,468 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 22:58:49,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 22:58:49,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 22:58:49,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 22:58:49,471 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 22:58:49,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 22:58:49,472 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 22:58:49,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 22:58:49,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 22:58:49,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 22:58:49,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 22:58:49,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 22:58:49,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 22:58:49,474 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 22:58:49,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 22:58:49,475 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 22:58:49,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 22:58:49,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 22:58:49,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 22:58:49,476 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 22:58:49,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 22:58:49,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 22:58:49,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 22:58:49,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 22:58:49,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 22:58:49,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 22:58:49,478 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 22:58:49,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 22:58:49,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 22:58:49,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 22:58:49,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 22:58:49,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 22:58:49,555 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 22:58:49,555 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 22:58:49,556 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2019-09-08 22:58:49,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53d7551c6/5e0dcb9b5d1e4492be514e103ec7b02a/FLAG93744142d [2019-09-08 22:58:50,526 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 22:58:50,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2019-09-08 22:58:50,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53d7551c6/5e0dcb9b5d1e4492be514e103ec7b02a/FLAG93744142d [2019-09-08 22:58:50,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53d7551c6/5e0dcb9b5d1e4492be514e103ec7b02a [2019-09-08 22:58:50,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 22:58:50,983 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 22:58:50,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 22:58:50,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 22:58:50,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 22:58:50,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 10:58:50" (1/1) ... [2019-09-08 22:58:50,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebf076f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:58:50, skipping insertion in model container [2019-09-08 22:58:50,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 10:58:50" (1/1) ... [2019-09-08 22:58:50,998 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 22:58:51,165 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 22:58:54,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 22:58:54,904 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 22:58:55,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 22:58:56,260 INFO L192 MainTranslator]: Completed translation [2019-09-08 22:58:56,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:58:56 WrapperNode [2019-09-08 22:58:56,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 22:58:56,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 22:58:56,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 22:58:56,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 22:58:56,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:58:56" (1/1) ... [2019-09-08 22:58:56,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:58:56" (1/1) ... [2019-09-08 22:58:56,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:58:56" (1/1) ... [2019-09-08 22:58:56,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:58:56" (1/1) ... [2019-09-08 22:58:56,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:58:56" (1/1) ... [2019-09-08 22:58:56,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:58:56" (1/1) ... [2019-09-08 22:58:56,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:58:56" (1/1) ... [2019-09-08 22:58:56,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 22:58:56,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 22:58:56,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 22:58:56,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 22:58:56,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:58:56" (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 22:58:56,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 22:58:56,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 22:58:56,813 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 22:58:56,813 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 22:58:56,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-09-08 22:58:56,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-09-08 22:58:56,815 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 22:58:56,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2019-09-08 22:58:56,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-08 22:58:56,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 22:58:56,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2019-09-08 22:58:56,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-09-08 22:58:56,816 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-08 22:58:56,817 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-08 22:58:56,818 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-08 22:58:56,818 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-08 22:58:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-09-08 22:58:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-09-08 22:58:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 22:58:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-08 22:58:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-08 22:58:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-08 22:58:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-08 22:58:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-08 22:58:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-08 22:58:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-08 22:58:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-09-08 22:58:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-09-08 22:58:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-09-08 22:58:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-09-08 22:58:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-09-08 22:58:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-09-08 22:58:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2019-09-08 22:58:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2019-09-08 22:58:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-09-08 22:58:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-09-08 22:58:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-09-08 22:58:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-09-08 22:58:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-08 22:58:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-09-08 22:58:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_padto [2019-09-08 22:58:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-09-08 22:58:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2019-09-08 22:58:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2019-09-08 22:58:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2019-09-08 22:58:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2019-09-08 22:58:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-08 22:58:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-08 22:58:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-08 22:58:56,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-08 22:58:56,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-08 22:58:56,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-08 22:58:56,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-08 22:58:56,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-08 22:58:56,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-09-08 22:58:56,826 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-09-08 22:58:56,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-09-08 22:58:56,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-09-08 22:58:56,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-09-08 22:58:56,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-09-08 22:58:56,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2019-09-08 22:58:56,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2019-09-08 22:58:56,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-09-08 22:58:56,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-09-08 22:58:56,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-09-08 22:58:56,828 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-09-08 22:58:56,828 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-09-08 22:58:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_init_one [2019-09-08 22:58:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_disable_int [2019-09-08 22:58:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __epic_pci_commit [2019-09-08 22:58:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_napi_irq_off [2019-09-08 22:58:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_napi_irq_on [2019-09-08 22:58:56,830 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2019-09-08 22:58:56,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2019-09-08 22:58:56,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2019-09-08 22:58:56,831 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_open [2019-09-08 22:58:56,831 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_pause [2019-09-08 22:58:56,831 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_restart [2019-09-08 22:58:56,831 INFO L138 BoogieDeclarations]: Found implementation of procedure check_media [2019-09-08 22:58:56,831 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_timer [2019-09-08 22:58:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_tx_timeout [2019-09-08 22:58:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_init_ring [2019-09-08 22:58:56,833 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_start_xmit [2019-09-08 22:58:56,833 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_tx_error [2019-09-08 22:58:56,833 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_tx [2019-09-08 22:58:56,834 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_interrupt [2019-09-08 22:58:56,834 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_rx [2019-09-08 22:58:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_rx_err [2019-09-08 22:58:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_poll [2019-09-08 22:58:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_close [2019-09-08 22:58:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_get_stats [2019-09-08 22:58:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2019-09-08 22:58:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_drvinfo [2019-09-08 22:58:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_settings [2019-09-08 22:58:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_settings [2019-09-08 22:58:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2019-09-08 22:58:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_link [2019-09-08 22:58:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_msglevel [2019-09-08 22:58:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_msglevel [2019-09-08 22:58:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_begin [2019-09-08 22:58:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_complete [2019-09-08 22:58:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_ioctl [2019-09-08 22:58:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_remove_one [2019-09-08 22:58:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_suspend [2019-09-08 22:58:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_resume [2019-09-08 22:58:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_init [2019-09-08 22:58:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_cleanup [2019-09-08 22:58:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_epic_cleanup_14_2 [2019-09-08 22:58:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_epic_init_14_9 [2019-09-08 22:58:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver [2019-09-08 22:58:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2019-09-08 22:58:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-09-08 22:58:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2019-09-08 22:58:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_11_1 [2019-09-08 22:58:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_12_1 [2019-09-08 22:58:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2019-09-08 22:58:56,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_6_1 [2019-09-08 22:58:56,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_4_3 [2019-09-08 22:58:56,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_7_1 [2019-09-08 22:58:56,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_10_2 [2019-09-08 22:58:56,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2019-09-08 22:58:56,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_4 [2019-09-08 22:58:56,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2019-09-08 22:58:56,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_10 [2019-09-08 22:58:56,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_11 [2019-09-08 22:58:56,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-09-08 22:58:56,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-09-08 22:58:56,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_18 [2019-09-08 22:58:56,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_19 [2019-09-08 22:58:56,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_20 [2019-09-08 22:58:56,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_21 [2019-09-08 22:58:56,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_22 [2019-09-08 22:58:56,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_23 [2019-09-08 22:58:56,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_24 [2019-09-08 22:58:56,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_25 [2019-09-08 22:58:56,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_28 [2019-09-08 22:58:56,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-09-08 22:58:56,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-09-08 22:58:56,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_8 [2019-09-08 22:58:56,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-09-08 22:58:56,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_14 [2019-09-08 22:58:56,850 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 22:58:56,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2019-09-08 22:58:56,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2019-09-08 22:58:56,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-09-08 22:58:56,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2019-09-08 22:58:56,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2019-09-08 22:58:56,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2019-09-08 22:58:56,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2019-09-08 22:58:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_probe_2_17 [2019-09-08 22:58:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_release_2_2 [2019-09-08 22:58:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_2_5 [2019-09-08 22:58:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_resume_early_2_6 [2019-09-08 22:58:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_shutdown_2_3 [2019-09-08 22:58:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_2_8 [2019-09-08 22:58:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_instance_suspend_late_2_7 [2019-09-08 22:58:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_pci_instance_2 [2019-09-08 22:58:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2019-09-08 22:58:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2019-09-08 22:58:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2019-09-08 22:58:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2019-09-08 22:58:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-09-08 22:58:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-09-08 22:58:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-09-08 22:58:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2019-09-08 22:58:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-09-08 22:58:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2019-09-08 22:58:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_11 [2019-09-08 22:58:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_20 [2019-09-08 22:58:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-09-08 22:58:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_3 [2019-09-08 22:58:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-09-08 22:58:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_4 [2019-09-08 22:58:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_dummy_factory_4 [2019-09-08 22:58:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2019-09-08 22:58:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2019-09-08 22:58:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2019-09-08 22:58:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2019-09-08 22:58:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2019-09-08 22:58:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_59 [2019-09-08 22:58:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_60 [2019-09-08 22:58:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_61 [2019-09-08 22:58:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_62 [2019-09-08 22:58:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_63 [2019-09-08 22:58:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_64 [2019-09-08 22:58:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2019-09-08 22:58:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_66 [2019-09-08 22:58:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_67 [2019-09-08 22:58:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_68 [2019-09-08 22:58:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2019-09-08 22:58:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_70 [2019-09-08 22:58:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_71 [2019-09-08 22:58:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_72 [2019-09-08 22:58:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_73 [2019-09-08 22:58:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_78 [2019-09-08 22:58:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_79 [2019-09-08 22:58:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_80 [2019-09-08 22:58:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_81 [2019-09-08 22:58:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-09-08 22:58:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-09-08 22:58:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-09-08 22:58:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 22:58:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 22:58:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 22:58:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 22:58:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-09-08 22:58:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-09-08 22:58:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-09-08 22:58:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-09-08 22:58:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-09-08 22:58:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-09-08 22:58:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 22:58:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 22:58:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-08 22:58:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 22:58:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-09-08 22:58:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 22:58:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-09-08 22:58:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-09-08 22:58:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-09-08 22:58:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-09-08 22:58:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-09-08 22:58:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-09-08 22:58:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-09-08 22:58:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 22:58:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 22:58:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 22:58:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-08 22:58:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-09-08 22:58:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-09-08 22:58:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-09-08 22:58:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-09-08 22:58:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-09-08 22:58:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-09-08 22:58:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-09-08 22:58:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-09-08 22:58:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-09-08 22:58:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-09-08 22:58:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-09-08 22:58:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-09-08 22:58:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-09-08 22:58:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-09-08 22:58:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-09-08 22:58:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-09-08 22:58:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-09-08 22:58:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-09-08 22:58:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-09-08 22:58:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-09-08 22:58:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-09-08 22:58:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-09-08 22:58:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-09-08 22:58:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-09-08 22:58:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-09-08 22:58:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-09-08 22:58:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-09-08 22:58:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-09-08 22:58:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-09-08 22:58:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-09-08 22:58:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-09-08 22:58:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-09-08 22:58:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-09-08 22:58:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-09-08 22:58:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-09-08 22:58:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-09-08 22:58:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-09-08 22:58:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-09-08 22:58:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-09-08 22:58:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-09-08 22:58:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-09-08 22:58:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-09-08 22:58:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-09-08 22:58:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-09-08 22:58:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-09-08 22:58:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:58:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-09-08 22:58:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-09-08 22:58:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-09-08 22:58:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-09-08 22:58:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:58:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-09-08 22:58:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:58:56,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_epic_private [2019-09-08 22:58:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_epic_private [2019-09-08 22:58:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_epic_private [2019-09-08 22:58:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_epic_private [2019-09-08 22:58:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_epic_private [2019-09-08 22:58:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_epic_private [2019-09-08 22:58:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_epic_private [2019-09-08 22:58:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_epic_private [2019-09-08 22:58:56,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-09-08 22:58:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-09-08 22:58:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-09-08 22:58:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-09-08 22:58:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-09-08 22:58:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-09-08 22:58:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-09-08 22:58:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-09-08 22:58:56,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_napi_lock_of_epic_private [2019-09-08 22:58:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_napi_lock_of_epic_private [2019-09-08 22:58:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_napi_lock_of_epic_private [2019-09-08 22:58:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_napi_lock_of_epic_private [2019-09-08 22:58:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_napi_lock_of_epic_private [2019-09-08 22:58:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_napi_lock_of_epic_private [2019-09-08 22:58:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_napi_lock_of_epic_private [2019-09-08 22:58:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_napi_lock_of_epic_private [2019-09-08 22:58:56,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-09-08 22:58:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-09-08 22:58:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-09-08 22:58:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-09-08 22:58:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-09-08 22:58:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-09-08 22:58:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-09-08 22:58:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-09-08 22:58:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-09-08 22:58:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-09-08 22:58:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-09-08 22:58:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-09-08 22:58:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-09-08 22:58:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-09-08 22:58:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-09-08 22:58:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-09-08 22:58:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-09-08 22:58:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-09-08 22:58:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-09-08 22:58:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-09-08 22:58:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-09-08 22:58:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-09-08 22:58:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-09-08 22:58:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-09-08 22:58:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-09-08 22:58:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-09-08 22:58:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-09-08 22:58:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-09-08 22:58:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-09-08 22:58:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-09-08 22:58:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-09-08 22:58:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-09-08 22:58:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 22:58:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-09-08 22:58:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-09-08 22:58:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-09-08 22:58:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-09-08 22:58:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-09-08 22:58:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-08 22:58:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-09-08 22:58:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-08 22:58:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-09-08 22:58:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2019-09-08 22:58:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-09-08 22:58:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_complete [2019-09-08 22:58:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2019-09-08 22:58:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-09-08 22:58:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-08 22:58:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-09-08 22:58:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-09-08 22:58:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-08 22:58:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-08 22:58:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-08 22:58:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-08 22:58:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-08 22:58:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-08 22:58:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-08 22:58:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-09-08 22:58:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-09-08 22:58:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-09-08 22:58:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-09-08 22:58:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-09-08 22:58:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-09-08 22:58:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-09-08 22:58:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2019-09-08 22:58:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2019-09-08 22:58:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-09-08 22:58:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-08 22:58:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-08 22:58:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-08 22:58:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-09-08 22:58:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-09-08 22:58:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-09-08 22:58:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-09-08 22:58:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-09-08 22:58:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-08 22:58:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-08 22:58:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2019-09-08 22:58:56,902 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-09-08 22:58:56,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2019-09-08 22:58:56,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-09-08 22:58:56,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-09-08 22:58:56,903 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2019-09-08 22:58:56,903 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-09-08 22:58:56,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-09-08 22:58:56,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-09-08 22:58:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-08 22:58:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 22:58:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2019-09-08 22:58:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2019-09-08 22:58:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2019-09-08 22:58:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2019-09-08 22:58:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2019-09-08 22:58:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2019-09-08 22:58:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2019-09-08 22:58:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2019-09-08 22:58:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-08 22:58:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-09-08 22:58:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-09-08 22:58:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-09-08 22:58:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2019-09-08 22:58:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2019-09-08 22:58:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-09-08 22:58:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-09-08 22:58:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-09-08 22:58:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-09-08 22:58:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-09-08 22:58:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-09-08 22:58:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-09-08 22:58:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-09-08 22:58:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-09-08 22:58:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 22:58:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-08 22:58:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-08 22:58:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pad [2019-09-08 22:58:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-08 22:58:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-09-08 22:58:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-08 22:58:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-08 22:58:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 22:58:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 22:58:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 22:58:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 22:58:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 22:58:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 22:58:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-09-08 22:58:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-09-08 22:58:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-08 22:58:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-08 22:58:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-08 22:58:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-08 22:58:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 22:58:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 22:58:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-08 22:58:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-09-08 22:58:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-09-08 22:58:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-09-08 22:58:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 22:58:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 22:58:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-08 22:58:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-09-08 22:58:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-08 22:58:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-09-08 22:58:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 22:58:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-09-08 22:58:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2019-09-08 22:58:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_64 [2019-09-08 22:58:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_68 [2019-09-08 22:58:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_epic_private [2019-09-08 22:58:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_epic_private [2019-09-08 22:58:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_napi_lock_of_epic_private [2019-09-08 22:58:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_napi_lock_of_epic_private [2019-09-08 22:58:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 22:58:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-09-08 22:58:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2019-09-08 22:58:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-09-08 22:58:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-09-08 22:58:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2019-09-08 22:58:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 22:58:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2019-09-08 22:58:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2019-09-08 22:58:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-09-08 22:58:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 22:58:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 22:58:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-09-08 22:58:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-09-08 22:58:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-09-08 22:58:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-08 22:58:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-08 22:58:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-08 22:58:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-08 22:58:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-08 22:58:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-08 22:58:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 22:58:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-08 22:58:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_66 [2019-09-08 22:58:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-08 22:58:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_72 [2019-09-08 22:58:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-08 22:58:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_67 [2019-09-08 22:58:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-08 22:58:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_73 [2019-09-08 22:58:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-08 22:58:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2019-09-08 22:58:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2019-09-08 22:58:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-09-08 22:58:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-09-08 22:58:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-08 22:58:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_70 [2019-09-08 22:58:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-08 22:58:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-09-08 22:58:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2019-09-08 22:58:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-09-08 22:58:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2019-09-08 22:58:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-09-08 22:58:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-09-08 22:58:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-09-08 22:58:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-08 22:58:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2019-09-08 22:58:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_59 [2019-09-08 22:58:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-08 22:58:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-08 22:58:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-08 22:58:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-08 22:58:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-08 22:58:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-09-08 22:58:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-09-08 22:58:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-09-08 22:58:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-09-08 22:58:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-09-08 22:58:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-09-08 22:58:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-09-08 22:58:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2019-09-08 22:58:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2019-09-08 22:58:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-09-08 22:58:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-09-08 22:58:56,921 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 22:58:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-09-08 22:58:56,921 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 22:58:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2019-09-08 22:58:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-09-08 22:58:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2019-09-08 22:58:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-09-08 22:58:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-09-08 22:58:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-09-08 22:58:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-09-08 22:58:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-09-08 22:58:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 22:58:56,923 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 22:58:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-09-08 22:58:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pad [2019-09-08 22:58:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-08 22:58:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-08 22:58:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 22:58:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 22:58:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-09-08 22:58:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-09-08 22:58:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure skb_padto [2019-09-08 22:58:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-09-08 22:58:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 22:58:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2019-09-08 22:58:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2019-09-08 22:58:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2019-09-08 22:58:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_complete [2019-09-08 22:58:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2019-09-08 22:58:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2019-09-08 22:58:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-08 22:58:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-08 22:58:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2019-09-08 22:58:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-08 22:58:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_62 [2019-09-08 22:58:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_79 [2019-09-08 22:58:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-09-08 22:58:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-08 22:58:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-08 22:58:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-08 22:58:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-08 22:58:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-08 22:58:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-08 22:58:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-08 22:58:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-09-08 22:58:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-09-08 22:58:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-09-08 22:58:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2019-09-08 22:58:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-08 22:58:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_61 [2019-09-08 22:58:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-08 22:58:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_78 [2019-09-08 22:58:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-09-08 22:58:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-09-08 22:58:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-09-08 22:58:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-09-08 22:58:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-09-08 22:58:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-09-08 22:58:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-09-08 22:58:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-09-08 22:58:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-09-08 22:58:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_80 [2019-09-08 22:58:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-09-08 22:58:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_81 [2019-09-08 22:58:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-09-08 22:58:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-09-08 22:58:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-09-08 22:58:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-09-08 22:58:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2019-09-08 22:58:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2019-09-08 22:58:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-09-08 22:58:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-09-08 22:58:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-09-08 22:58:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-08 22:58:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-09-08 22:58:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_63 [2019-09-08 22:58:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-08 22:58:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_71 [2019-09-08 22:58:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-09-08 22:58:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-09-08 22:58:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-09-08 22:58:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-09-08 22:58:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-09-08 22:58:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_60 [2019-09-08 22:58:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2019-09-08 22:58:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2019-09-08 22:58:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2019-09-08 22:58:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2019-09-08 22:58:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2019-09-08 22:58:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-09-08 22:58:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-09-08 22:58:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure epic_open [2019-09-08 22:58:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2019-09-08 22:58:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2019-09-08 22:58:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2019-09-08 22:58:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure epic_restart [2019-09-08 22:58:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure epic_timer [2019-09-08 22:58:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure epic_tx_timeout [2019-09-08 22:58:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure epic_init_ring [2019-09-08 22:58:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure epic_start_xmit [2019-09-08 22:58:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure epic_rx [2019-09-08 22:58:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure epic_poll [2019-09-08 22:58:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure epic_interrupt [2019-09-08 22:58:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_ioctl [2019-09-08 22:58:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure epic_close [2019-09-08 22:58:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure epic_get_stats [2019-09-08 22:58:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2019-09-08 22:58:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure epic_init_one [2019-09-08 22:58:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 22:58:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure epic_disable_int [2019-09-08 22:58:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure __epic_pci_commit [2019-09-08 22:58:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure epic_napi_irq_off [2019-09-08 22:58:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure epic_napi_irq_on [2019-09-08 22:58:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure epic_pause [2019-09-08 22:58:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure check_media [2019-09-08 22:58:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure epic_tx_error [2019-09-08 22:58:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure epic_tx [2019-09-08 22:58:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure epic_rx_err [2019-09-08 22:58:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 22:58:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_drvinfo [2019-09-08 22:58:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_settings [2019-09-08 22:58:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_settings [2019-09-08 22:58:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2019-09-08 22:58:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_link [2019-09-08 22:58:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_msglevel [2019-09-08 22:58:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_msglevel [2019-09-08 22:58:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_begin [2019-09-08 22:58:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_complete [2019-09-08 22:58:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure epic_remove_one [2019-09-08 22:58:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure epic_suspend [2019-09-08 22:58:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure epic_resume [2019-09-08 22:58:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure epic_init [2019-09-08 22:58:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure epic_cleanup [2019-09-08 22:58:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_epic_cleanup_14_2 [2019-09-08 22:58:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_epic_init_14_9 [2019-09-08 22:58:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver [2019-09-08 22:58:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2019-09-08 22:58:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-09-08 22:58:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2019-09-08 22:58:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_11_1 [2019-09-08 22:58:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_12_1 [2019-09-08 22:58:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2019-09-08 22:58:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_6_1 [2019-09-08 22:58:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_4_3 [2019-09-08 22:58:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_7_1 [2019-09-08 22:58:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_10_2 [2019-09-08 22:58:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2019-09-08 22:58:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_4 [2019-09-08 22:58:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2019-09-08 22:58:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_10 [2019-09-08 22:58:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_11 [2019-09-08 22:58:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-09-08 22:58:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-09-08 22:58:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_18 [2019-09-08 22:58:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_19 [2019-09-08 22:58:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_20 [2019-09-08 22:58:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_21 [2019-09-08 22:58:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_22 [2019-09-08 22:58:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_23 [2019-09-08 22:58:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_24 [2019-09-08 22:58:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_25 [2019-09-08 22:58:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_28 [2019-09-08 22:58:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-09-08 22:58:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-09-08 22:58:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_8 [2019-09-08 22:58:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-09-08 22:58:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_14 [2019-09-08 22:58:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 22:58:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2019-09-08 22:58:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2019-09-08 22:58:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-09-08 22:58:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2019-09-08 22:58:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2019-09-08 22:58:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2019-09-08 22:58:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2019-09-08 22:58:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_probe_2_17 [2019-09-08 22:58:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_release_2_2 [2019-09-08 22:58:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_2_5 [2019-09-08 22:58:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_resume_early_2_6 [2019-09-08 22:58:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_shutdown_2_3 [2019-09-08 22:58:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_2_8 [2019-09-08 22:58:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_instance_suspend_late_2_7 [2019-09-08 22:58:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_pci_instance_2 [2019-09-08 22:58:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2019-09-08 22:58:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2019-09-08 22:58:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2019-09-08 22:58:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2019-09-08 22:58:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-09-08 22:58:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-09-08 22:58:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-09-08 22:58:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2019-09-08 22:58:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-09-08 22:58:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2019-09-08 22:58:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_11 [2019-09-08 22:58:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_20 [2019-09-08 22:58:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-09-08 22:58:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_3 [2019-09-08 22:58:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-09-08 22:58:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_4 [2019-09-08 22:58:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_dummy_factory_4 [2019-09-08 22:58:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2019-09-08 22:58:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2019-09-08 22:58:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2019-09-08 22:58:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2019-09-08 22:58:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2019-09-08 22:58:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-08 22:58:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 22:58:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2019-09-08 22:58:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-09-08 22:58:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-09-08 22:58:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 22:58:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-09-08 22:58:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 22:58:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 22:58:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 22:58:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 22:58:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-09-08 22:58:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-08 22:58:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-09-08 22:58:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-09-08 22:58:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-09-08 22:58:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-08 22:58:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 22:58:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-09-08 22:58:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-09-08 22:58:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-09-08 22:58:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-09-08 22:58:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-09-08 22:58:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 22:58:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 22:58:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 22:58:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 22:58:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 22:58:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 22:58:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 22:58:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-08 22:58:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-09-08 22:58:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 22:58:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 22:58:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 22:58:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-09-08 22:58:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-09-08 22:58:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-09-08 22:58:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-09-08 22:58:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-09-08 22:58:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-09-08 22:58:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-09-08 22:58:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-09-08 22:58:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-09-08 22:58:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-09-08 22:58:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-09-08 22:58:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-09-08 22:58:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-09-08 22:58:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-09-08 22:58:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-09-08 22:58:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-09-08 22:58:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-09-08 22:58:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-09-08 22:58:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-09-08 22:58:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-09-08 22:58:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-09-08 22:58:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-09-08 22:58:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-09-08 22:58:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-09-08 22:58:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-09-08 22:58:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-09-08 22:58:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-09-08 22:58:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-09-08 22:58:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-09-08 22:58:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-09-08 22:58:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-09-08 22:58:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-09-08 22:58:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-09-08 22:58:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-09-08 22:58:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-09-08 22:58:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-09-08 22:58:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-09-08 22:58:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-09-08 22:58:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-09-08 22:58:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-09-08 22:58:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-09-08 22:58:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-09-08 22:58:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-09-08 22:58:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-09-08 22:58:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-09-08 22:58:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-09-08 22:58:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-09-08 22:58:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-09-08 22:58:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:58:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-09-08 22:58:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-09-08 22:58:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-09-08 22:58:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-09-08 22:58:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:58:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-09-08 22:58:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:58:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_epic_private [2019-09-08 22:58:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_epic_private [2019-09-08 22:58:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_epic_private [2019-09-08 22:58:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_epic_private [2019-09-08 22:58:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_epic_private [2019-09-08 22:58:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_epic_private [2019-09-08 22:58:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-09-08 22:58:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-09-08 22:58:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-09-08 22:58:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-09-08 22:58:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-09-08 22:58:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-09-08 22:58:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-09-08 22:58:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-09-08 22:58:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_napi_lock_of_epic_private [2019-09-08 22:58:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_napi_lock_of_epic_private [2019-09-08 22:58:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_napi_lock_of_epic_private [2019-09-08 22:58:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_napi_lock_of_epic_private [2019-09-08 22:58:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_napi_lock_of_epic_private [2019-09-08 22:58:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_napi_lock_of_epic_private [2019-09-08 22:58:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-09-08 22:58:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-09-08 22:58:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-09-08 22:58:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-09-08 22:58:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-09-08 22:58:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-09-08 22:58:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-09-08 22:58:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-09-08 22:58:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-09-08 22:58:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-09-08 22:58:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-09-08 22:58:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-09-08 22:58:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-09-08 22:58:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-09-08 22:58:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-09-08 22:58:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-09-08 22:58:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-09-08 22:58:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-09-08 22:58:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-09-08 22:58:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-09-08 22:58:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-09-08 22:58:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-09-08 22:58:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-09-08 22:58:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-09-08 22:58:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-09-08 22:58:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-09-08 22:58:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-09-08 22:58:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-09-08 22:58:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-09-08 22:58:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-09-08 22:58:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-09-08 22:58:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-09-08 22:58:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-09-08 22:58:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 22:58:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 22:58:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 22:58:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-08 22:58:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 22:58:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 22:58:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 22:58:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 22:58:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 22:58:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 22:58:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 22:58:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 22:58:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 22:59:00,283 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-09-08 22:59:01,126 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 22:59:07,549 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 22:59:07,549 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 22:59:07,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 10:59:07 BoogieIcfgContainer [2019-09-08 22:59:07,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 22:59:07,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 22:59:07,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 22:59:07,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 22:59:07,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 10:58:50" (1/3) ... [2019-09-08 22:59:07,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a7d126b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 10:59:07, skipping insertion in model container [2019-09-08 22:59:07,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:58:56" (2/3) ... [2019-09-08 22:59:07,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a7d126b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 10:59:07, skipping insertion in model container [2019-09-08 22:59:07,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 10:59:07" (3/3) ... [2019-09-08 22:59:07,563 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2019-09-08 22:59:07,575 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 22:59:07,589 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-09-08 22:59:07,612 INFO L252 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-09-08 22:59:07,668 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 22:59:07,669 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 22:59:07,669 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 22:59:07,670 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 22:59:07,670 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 22:59:07,670 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 22:59:07,670 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 22:59:07,670 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 22:59:07,670 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 22:59:07,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2857 states. [2019-09-08 22:59:07,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-09-08 22:59:07,799 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:59:07,800 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 22:59:07,802 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 22:59:07,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:59:07,809 INFO L82 PathProgramCache]: Analyzing trace with hash -979781332, now seen corresponding path program 1 times [2019-09-08 22:59:07,811 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:59:07,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:59:07,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:07,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:59:07,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:59:08,862 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 22:59:08,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:59:08,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:59:08,871 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:59:08,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:59:08,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:59:08,894 INFO L87 Difference]: Start difference. First operand 2857 states. Second operand 3 states. [2019-09-08 22:59:11,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:59:11,589 INFO L93 Difference]: Finished difference Result 6634 states and 8691 transitions. [2019-09-08 22:59:11,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:59:11,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-09-08 22:59:11,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:59:11,639 INFO L225 Difference]: With dead ends: 6634 [2019-09-08 22:59:11,639 INFO L226 Difference]: Without dead ends: 4376 [2019-09-08 22:59:11,656 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 22:59:11,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4376 states. [2019-09-08 22:59:11,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4376 to 4372. [2019-09-08 22:59:11,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4372 states. [2019-09-08 22:59:11,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4372 states to 4372 states and 5586 transitions. [2019-09-08 22:59:11,966 INFO L78 Accepts]: Start accepts. Automaton has 4372 states and 5586 transitions. Word has length 131 [2019-09-08 22:59:11,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:59:11,967 INFO L475 AbstractCegarLoop]: Abstraction has 4372 states and 5586 transitions. [2019-09-08 22:59:11,968 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:59:11,968 INFO L276 IsEmpty]: Start isEmpty. Operand 4372 states and 5586 transitions. [2019-09-08 22:59:11,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-09-08 22:59:11,973 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:59:11,973 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 22:59:11,974 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 22:59:11,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:59:11,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1214350359, now seen corresponding path program 1 times [2019-09-08 22:59:11,974 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:59:11,974 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:59:11,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:11,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:59:11,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:59:12,353 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 22:59:12,354 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:59:12,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:59:12,358 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:59:12,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:59:12,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:59:12,358 INFO L87 Difference]: Start difference. First operand 4372 states and 5586 transitions. Second operand 3 states. [2019-09-08 22:59:15,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:59:15,063 INFO L93 Difference]: Finished difference Result 12186 states and 15648 transitions. [2019-09-08 22:59:15,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:59:15,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2019-09-08 22:59:15,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:59:15,120 INFO L225 Difference]: With dead ends: 12186 [2019-09-08 22:59:15,120 INFO L226 Difference]: Without dead ends: 7855 [2019-09-08 22:59:15,141 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 22:59:15,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7855 states. [2019-09-08 22:59:15,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7855 to 7813. [2019-09-08 22:59:15,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7813 states. [2019-09-08 22:59:15,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7813 states to 7813 states and 10042 transitions. [2019-09-08 22:59:15,708 INFO L78 Accepts]: Start accepts. Automaton has 7813 states and 10042 transitions. Word has length 143 [2019-09-08 22:59:15,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:59:15,709 INFO L475 AbstractCegarLoop]: Abstraction has 7813 states and 10042 transitions. [2019-09-08 22:59:15,709 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:59:15,709 INFO L276 IsEmpty]: Start isEmpty. Operand 7813 states and 10042 transitions. [2019-09-08 22:59:15,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-09-08 22:59:15,713 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:59:15,714 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, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:59:15,714 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 22:59:15,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:59:15,715 INFO L82 PathProgramCache]: Analyzing trace with hash -775249578, now seen corresponding path program 1 times [2019-09-08 22:59:15,715 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:59:15,715 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:59:15,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:15,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:59:15,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:59:16,028 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 22:59:16,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:59:16,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:59:16,030 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:59:16,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:59:16,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:59:16,030 INFO L87 Difference]: Start difference. First operand 7813 states and 10042 transitions. Second operand 3 states. [2019-09-08 22:59:18,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:59:18,764 INFO L93 Difference]: Finished difference Result 22581 states and 29148 transitions. [2019-09-08 22:59:18,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:59:18,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2019-09-08 22:59:18,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:59:18,870 INFO L225 Difference]: With dead ends: 22581 [2019-09-08 22:59:18,870 INFO L226 Difference]: Without dead ends: 14809 [2019-09-08 22:59:18,908 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 22:59:18,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2019-09-08 22:59:19,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14751. [2019-09-08 22:59:19,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14751 states. [2019-09-08 22:59:19,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14751 states to 14751 states and 19054 transitions. [2019-09-08 22:59:19,838 INFO L78 Accepts]: Start accepts. Automaton has 14751 states and 19054 transitions. Word has length 151 [2019-09-08 22:59:19,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:59:19,839 INFO L475 AbstractCegarLoop]: Abstraction has 14751 states and 19054 transitions. [2019-09-08 22:59:19,839 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:59:19,839 INFO L276 IsEmpty]: Start isEmpty. Operand 14751 states and 19054 transitions. [2019-09-08 22:59:19,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-09-08 22:59:19,846 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:59:19,846 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 22:59:19,846 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 22:59:19,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:59:19,847 INFO L82 PathProgramCache]: Analyzing trace with hash 347976705, now seen corresponding path program 1 times [2019-09-08 22:59:19,847 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:59:19,847 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:59:19,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:19,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:59:19,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:59:20,133 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 22:59:20,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:59:20,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:59:20,134 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:59:20,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:59:20,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:59:20,135 INFO L87 Difference]: Start difference. First operand 14751 states and 19054 transitions. Second operand 3 states. [2019-09-08 22:59:23,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:59:23,060 INFO L93 Difference]: Finished difference Result 29513 states and 38127 transitions. [2019-09-08 22:59:23,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:59:23,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2019-09-08 22:59:23,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:59:23,187 INFO L225 Difference]: With dead ends: 29513 [2019-09-08 22:59:23,187 INFO L226 Difference]: Without dead ends: 21879 [2019-09-08 22:59:23,229 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 22:59:23,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21879 states. [2019-09-08 22:59:24,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21879 to 21875. [2019-09-08 22:59:24,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21875 states. [2019-09-08 22:59:24,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21875 states to 21875 states and 28274 transitions. [2019-09-08 22:59:24,985 INFO L78 Accepts]: Start accepts. Automaton has 21875 states and 28274 transitions. Word has length 212 [2019-09-08 22:59:24,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:59:24,986 INFO L475 AbstractCegarLoop]: Abstraction has 21875 states and 28274 transitions. [2019-09-08 22:59:24,986 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:59:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 21875 states and 28274 transitions. [2019-09-08 22:59:24,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-09-08 22:59:24,994 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:59:24,995 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:59:24,995 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 22:59:24,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:59:24,995 INFO L82 PathProgramCache]: Analyzing trace with hash -2023762557, now seen corresponding path program 1 times [2019-09-08 22:59:24,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:59:24,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:59:25,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:25,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:59:25,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:59:25,374 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 22:59:25,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:59:25,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:59:25,376 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:59:25,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:59:25,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:59:25,378 INFO L87 Difference]: Start difference. First operand 21875 states and 28274 transitions. Second operand 5 states. [2019-09-08 22:59:25,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:59:25,838 INFO L93 Difference]: Finished difference Result 21881 states and 28279 transitions. [2019-09-08 22:59:25,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:59:25,838 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2019-09-08 22:59:25,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:59:25,937 INFO L225 Difference]: With dead ends: 21881 [2019-09-08 22:59:25,938 INFO L226 Difference]: Without dead ends: 21879 [2019-09-08 22:59:25,955 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 22:59:25,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21879 states. [2019-09-08 22:59:27,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21879 to 21879. [2019-09-08 22:59:27,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21879 states. [2019-09-08 22:59:27,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21879 states to 21879 states and 28277 transitions. [2019-09-08 22:59:27,097 INFO L78 Accepts]: Start accepts. Automaton has 21879 states and 28277 transitions. Word has length 212 [2019-09-08 22:59:27,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:59:27,098 INFO L475 AbstractCegarLoop]: Abstraction has 21879 states and 28277 transitions. [2019-09-08 22:59:27,099 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:59:27,099 INFO L276 IsEmpty]: Start isEmpty. Operand 21879 states and 28277 transitions. [2019-09-08 22:59:27,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-09-08 22:59:27,107 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:59:27,107 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 22:59:27,107 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 22:59:27,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:59:27,108 INFO L82 PathProgramCache]: Analyzing trace with hash -765065690, now seen corresponding path program 1 times [2019-09-08 22:59:27,108 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:59:27,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:59:27,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:27,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:59:27,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:59:27,401 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 22:59:27,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:59:27,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:59:27,402 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:59:27,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:59:27,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:59:27,403 INFO L87 Difference]: Start difference. First operand 21879 states and 28277 transitions. Second operand 5 states. [2019-09-08 22:59:27,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:59:27,947 INFO L93 Difference]: Finished difference Result 21885 states and 28282 transitions. [2019-09-08 22:59:27,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:59:27,947 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 217 [2019-09-08 22:59:27,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:59:28,048 INFO L225 Difference]: With dead ends: 21885 [2019-09-08 22:59:28,048 INFO L226 Difference]: Without dead ends: 21883 [2019-09-08 22:59:28,067 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 22:59:28,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21883 states. [2019-09-08 22:59:29,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21883 to 21883. [2019-09-08 22:59:29,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21883 states. [2019-09-08 22:59:29,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21883 states to 21883 states and 28280 transitions. [2019-09-08 22:59:29,168 INFO L78 Accepts]: Start accepts. Automaton has 21883 states and 28280 transitions. Word has length 217 [2019-09-08 22:59:29,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:59:29,169 INFO L475 AbstractCegarLoop]: Abstraction has 21883 states and 28280 transitions. [2019-09-08 22:59:29,169 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:59:29,170 INFO L276 IsEmpty]: Start isEmpty. Operand 21883 states and 28280 transitions. [2019-09-08 22:59:29,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-09-08 22:59:29,182 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:59:29,182 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 22:59:29,183 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 22:59:29,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:59:29,183 INFO L82 PathProgramCache]: Analyzing trace with hash 2046876451, now seen corresponding path program 1 times [2019-09-08 22:59:29,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:59:29,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:59:29,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:29,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:59:29,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:59:29,504 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 22:59:29,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:59:29,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:59:29,505 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:59:29,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:59:29,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:59:29,506 INFO L87 Difference]: Start difference. First operand 21883 states and 28280 transitions. Second operand 5 states. [2019-09-08 22:59:30,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:59:30,139 INFO L93 Difference]: Finished difference Result 21889 states and 28285 transitions. [2019-09-08 22:59:30,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:59:30,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 222 [2019-09-08 22:59:30,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:59:30,226 INFO L225 Difference]: With dead ends: 21889 [2019-09-08 22:59:30,227 INFO L226 Difference]: Without dead ends: 21887 [2019-09-08 22:59:30,242 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 22:59:30,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21887 states. [2019-09-08 22:59:31,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21887 to 21887. [2019-09-08 22:59:31,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21887 states. [2019-09-08 22:59:31,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21887 states to 21887 states and 28283 transitions. [2019-09-08 22:59:31,247 INFO L78 Accepts]: Start accepts. Automaton has 21887 states and 28283 transitions. Word has length 222 [2019-09-08 22:59:31,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:59:31,248 INFO L475 AbstractCegarLoop]: Abstraction has 21887 states and 28283 transitions. [2019-09-08 22:59:31,248 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:59:31,248 INFO L276 IsEmpty]: Start isEmpty. Operand 21887 states and 28283 transitions. [2019-09-08 22:59:31,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-09-08 22:59:31,259 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:59:31,259 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 22:59:31,260 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 22:59:31,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:59:31,260 INFO L82 PathProgramCache]: Analyzing trace with hash -169757690, now seen corresponding path program 1 times [2019-09-08 22:59:31,260 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:59:31,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:59:31,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:31,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:59:31,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:59:31,543 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 22:59:31,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:59:31,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:59:31,545 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:59:31,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:59:31,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:59:31,545 INFO L87 Difference]: Start difference. First operand 21887 states and 28283 transitions. Second operand 5 states. [2019-09-08 22:59:32,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:59:32,099 INFO L93 Difference]: Finished difference Result 21893 states and 28288 transitions. [2019-09-08 22:59:32,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:59:32,100 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 227 [2019-09-08 22:59:32,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:59:32,187 INFO L225 Difference]: With dead ends: 21893 [2019-09-08 22:59:32,188 INFO L226 Difference]: Without dead ends: 21891 [2019-09-08 22:59:32,200 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 22:59:32,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21891 states. [2019-09-08 22:59:33,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21891 to 21891. [2019-09-08 22:59:33,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21891 states. [2019-09-08 22:59:33,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21891 states to 21891 states and 28286 transitions. [2019-09-08 22:59:33,112 INFO L78 Accepts]: Start accepts. Automaton has 21891 states and 28286 transitions. Word has length 227 [2019-09-08 22:59:33,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:59:33,113 INFO L475 AbstractCegarLoop]: Abstraction has 21891 states and 28286 transitions. [2019-09-08 22:59:33,113 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:59:33,113 INFO L276 IsEmpty]: Start isEmpty. Operand 21891 states and 28286 transitions. [2019-09-08 22:59:33,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-09-08 22:59:33,125 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:59:33,125 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 22:59:33,126 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 22:59:33,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:59:33,126 INFO L82 PathProgramCache]: Analyzing trace with hash 4262083, now seen corresponding path program 1 times [2019-09-08 22:59:33,126 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:59:33,126 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:59:33,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:33,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:59:33,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:59:33,379 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 22:59:33,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:59:33,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:59:33,380 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:59:33,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:59:33,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:59:33,381 INFO L87 Difference]: Start difference. First operand 21891 states and 28286 transitions. Second operand 5 states. [2019-09-08 22:59:34,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:59:34,042 INFO L93 Difference]: Finished difference Result 21897 states and 28291 transitions. [2019-09-08 22:59:34,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:59:34,043 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2019-09-08 22:59:34,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:59:34,140 INFO L225 Difference]: With dead ends: 21897 [2019-09-08 22:59:34,141 INFO L226 Difference]: Without dead ends: 21895 [2019-09-08 22:59:34,155 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 22:59:34,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21895 states. [2019-09-08 22:59:35,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21895 to 21895. [2019-09-08 22:59:35,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21895 states. [2019-09-08 22:59:35,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21895 states to 21895 states and 28289 transitions. [2019-09-08 22:59:35,245 INFO L78 Accepts]: Start accepts. Automaton has 21895 states and 28289 transitions. Word has length 232 [2019-09-08 22:59:35,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:59:35,246 INFO L475 AbstractCegarLoop]: Abstraction has 21895 states and 28289 transitions. [2019-09-08 22:59:35,246 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:59:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 21895 states and 28289 transitions. [2019-09-08 22:59:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-09-08 22:59:35,259 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:59:35,259 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 22:59:35,259 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 22:59:35,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:59:35,260 INFO L82 PathProgramCache]: Analyzing trace with hash 855063014, now seen corresponding path program 1 times [2019-09-08 22:59:35,260 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:59:35,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:59:35,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:35,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:59:35,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:59:35,568 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 22:59:35,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:59:35,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:59:35,570 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:59:35,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:59:35,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:59:35,570 INFO L87 Difference]: Start difference. First operand 21895 states and 28289 transitions. Second operand 5 states. [2019-09-08 22:59:36,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:59:36,054 INFO L93 Difference]: Finished difference Result 21901 states and 28294 transitions. [2019-09-08 22:59:36,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:59:36,054 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 237 [2019-09-08 22:59:36,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:59:36,156 INFO L225 Difference]: With dead ends: 21901 [2019-09-08 22:59:36,156 INFO L226 Difference]: Without dead ends: 21899 [2019-09-08 22:59:36,171 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 22:59:36,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21899 states. [2019-09-08 22:59:37,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21899 to 21899. [2019-09-08 22:59:37,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21899 states. [2019-09-08 22:59:37,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21899 states to 21899 states and 28292 transitions. [2019-09-08 22:59:37,126 INFO L78 Accepts]: Start accepts. Automaton has 21899 states and 28292 transitions. Word has length 237 [2019-09-08 22:59:37,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:59:37,128 INFO L475 AbstractCegarLoop]: Abstraction has 21899 states and 28292 transitions. [2019-09-08 22:59:37,128 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:59:37,129 INFO L276 IsEmpty]: Start isEmpty. Operand 21899 states and 28292 transitions. [2019-09-08 22:59:37,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-09-08 22:59:37,143 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:59:37,143 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:59:37,143 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 22:59:37,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:59:37,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1861411415, now seen corresponding path program 1 times [2019-09-08 22:59:37,144 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:59:37,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:59:37,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:37,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:59:37,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:59:37,384 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2019-09-08 22:59:37,384 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:59:37,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:59:37,385 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:59:37,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:59:37,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:59:37,386 INFO L87 Difference]: Start difference. First operand 21899 states and 28292 transitions. Second operand 3 states. [2019-09-08 22:59:40,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:59:40,319 INFO L93 Difference]: Finished difference Result 43856 states and 56651 transitions. [2019-09-08 22:59:40,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:59:40,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 270 [2019-09-08 22:59:40,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:59:40,421 INFO L225 Difference]: With dead ends: 43856 [2019-09-08 22:59:40,421 INFO L226 Difference]: Without dead ends: 29074 [2019-09-08 22:59:40,481 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 22:59:40,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29074 states. [2019-09-08 22:59:42,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29074 to 29027. [2019-09-08 22:59:42,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29027 states. [2019-09-08 22:59:42,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29027 states to 29027 states and 37508 transitions. [2019-09-08 22:59:42,612 INFO L78 Accepts]: Start accepts. Automaton has 29027 states and 37508 transitions. Word has length 270 [2019-09-08 22:59:42,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:59:42,613 INFO L475 AbstractCegarLoop]: Abstraction has 29027 states and 37508 transitions. [2019-09-08 22:59:42,613 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:59:42,613 INFO L276 IsEmpty]: Start isEmpty. Operand 29027 states and 37508 transitions. [2019-09-08 22:59:42,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-09-08 22:59:42,625 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:59:42,626 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 22:59:42,626 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 22:59:42,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:59:42,627 INFO L82 PathProgramCache]: Analyzing trace with hash 458120803, now seen corresponding path program 1 times [2019-09-08 22:59:42,627 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:59:42,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:59:42,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:42,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:59:42,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:59:42,891 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 22:59:42,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:59:42,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:59:42,892 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:59:42,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:59:42,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:59:42,893 INFO L87 Difference]: Start difference. First operand 29027 states and 37508 transitions. Second operand 5 states. [2019-09-08 22:59:43,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:59:43,595 INFO L93 Difference]: Finished difference Result 29691 states and 38218 transitions. [2019-09-08 22:59:43,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:59:43,595 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 242 [2019-09-08 22:59:43,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:59:43,683 INFO L225 Difference]: With dead ends: 29691 [2019-09-08 22:59:43,683 INFO L226 Difference]: Without dead ends: 29689 [2019-09-08 22:59:43,697 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 22:59:43,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29689 states. [2019-09-08 22:59:44,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29689 to 29687. [2019-09-08 22:59:44,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29687 states. [2019-09-08 22:59:44,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29687 states to 29687 states and 38215 transitions. [2019-09-08 22:59:44,912 INFO L78 Accepts]: Start accepts. Automaton has 29687 states and 38215 transitions. Word has length 242 [2019-09-08 22:59:44,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:59:44,913 INFO L475 AbstractCegarLoop]: Abstraction has 29687 states and 38215 transitions. [2019-09-08 22:59:44,913 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:59:44,913 INFO L276 IsEmpty]: Start isEmpty. Operand 29687 states and 38215 transitions. [2019-09-08 22:59:44,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-09-08 22:59:44,923 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:59:44,924 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 22:59:44,924 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 22:59:44,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:59:44,924 INFO L82 PathProgramCache]: Analyzing trace with hash 356030406, now seen corresponding path program 1 times [2019-09-08 22:59:44,924 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:59:44,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:59:44,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:44,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:59:44,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:59:45,174 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 22:59:45,175 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:59:45,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:59:45,175 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:59:45,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:59:45,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:59:45,176 INFO L87 Difference]: Start difference. First operand 29687 states and 38215 transitions. Second operand 5 states. [2019-09-08 22:59:45,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:59:45,912 INFO L93 Difference]: Finished difference Result 29693 states and 38220 transitions. [2019-09-08 22:59:45,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:59:45,912 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 247 [2019-09-08 22:59:45,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:59:46,008 INFO L225 Difference]: With dead ends: 29693 [2019-09-08 22:59:46,009 INFO L226 Difference]: Without dead ends: 29691 [2019-09-08 22:59:46,025 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 22:59:46,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29691 states. [2019-09-08 22:59:47,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29691 to 29691. [2019-09-08 22:59:47,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29691 states. [2019-09-08 22:59:47,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29691 states to 29691 states and 38218 transitions. [2019-09-08 22:59:47,343 INFO L78 Accepts]: Start accepts. Automaton has 29691 states and 38218 transitions. Word has length 247 [2019-09-08 22:59:47,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:59:47,343 INFO L475 AbstractCegarLoop]: Abstraction has 29691 states and 38218 transitions. [2019-09-08 22:59:47,344 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:59:47,344 INFO L276 IsEmpty]: Start isEmpty. Operand 29691 states and 38218 transitions. [2019-09-08 22:59:47,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-09-08 22:59:47,355 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:59:47,355 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 22:59:47,355 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 22:59:47,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:59:47,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1428759549, now seen corresponding path program 1 times [2019-09-08 22:59:47,356 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:59:47,356 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:59:47,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:47,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:59:47,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:59:47,613 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 22:59:47,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:59:47,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:59:47,614 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:59:47,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:59:47,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:59:47,615 INFO L87 Difference]: Start difference. First operand 29691 states and 38218 transitions. Second operand 5 states. [2019-09-08 22:59:48,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:59:48,302 INFO L93 Difference]: Finished difference Result 29803 states and 38296 transitions. [2019-09-08 22:59:48,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:59:48,302 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 252 [2019-09-08 22:59:48,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:59:48,387 INFO L225 Difference]: With dead ends: 29803 [2019-09-08 22:59:48,387 INFO L226 Difference]: Without dead ends: 29801 [2019-09-08 22:59:48,402 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 22:59:48,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29801 states. [2019-09-08 22:59:50,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29801 to 29799. [2019-09-08 22:59:50,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29799 states. [2019-09-08 22:59:50,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29799 states to 29799 states and 38293 transitions. [2019-09-08 22:59:50,680 INFO L78 Accepts]: Start accepts. Automaton has 29799 states and 38293 transitions. Word has length 252 [2019-09-08 22:59:50,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:59:50,681 INFO L475 AbstractCegarLoop]: Abstraction has 29799 states and 38293 transitions. [2019-09-08 22:59:50,681 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:59:50,681 INFO L276 IsEmpty]: Start isEmpty. Operand 29799 states and 38293 transitions. [2019-09-08 22:59:50,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-09-08 22:59:50,689 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:59:50,689 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 22:59:50,689 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 22:59:50,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:59:50,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1505217958, now seen corresponding path program 1 times [2019-09-08 22:59:50,690 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:59:50,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:59:50,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:50,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:59:50,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:59:50,970 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 22:59:50,970 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:59:50,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:59:50,971 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:59:50,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:59:50,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:59:50,971 INFO L87 Difference]: Start difference. First operand 29799 states and 38293 transitions. Second operand 5 states. [2019-09-08 22:59:51,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:59:51,803 INFO L93 Difference]: Finished difference Result 29805 states and 38298 transitions. [2019-09-08 22:59:51,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:59:51,804 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 257 [2019-09-08 22:59:51,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:59:51,886 INFO L225 Difference]: With dead ends: 29805 [2019-09-08 22:59:51,887 INFO L226 Difference]: Without dead ends: 29803 [2019-09-08 22:59:51,901 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 22:59:51,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29803 states. [2019-09-08 22:59:52,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29803 to 29803. [2019-09-08 22:59:52,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29803 states. [2019-09-08 22:59:52,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29803 states to 29803 states and 38296 transitions. [2019-09-08 22:59:52,808 INFO L78 Accepts]: Start accepts. Automaton has 29803 states and 38296 transitions. Word has length 257 [2019-09-08 22:59:52,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:59:52,809 INFO L475 AbstractCegarLoop]: Abstraction has 29803 states and 38296 transitions. [2019-09-08 22:59:52,809 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:59:52,809 INFO L276 IsEmpty]: Start isEmpty. Operand 29803 states and 38296 transitions. [2019-09-08 22:59:52,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-09-08 22:59:52,819 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:59:52,819 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 22:59:52,819 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 22:59:52,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:59:52,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1292403107, now seen corresponding path program 1 times [2019-09-08 22:59:52,820 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:59:52,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:59:52,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:52,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:59:52,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:59:53,084 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 22:59:53,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:59:53,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:59:53,085 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:59:53,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:59:53,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:59:53,086 INFO L87 Difference]: Start difference. First operand 29803 states and 38296 transitions. Second operand 5 states. [2019-09-08 22:59:54,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:59:54,027 INFO L93 Difference]: Finished difference Result 29809 states and 38301 transitions. [2019-09-08 22:59:54,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:59:54,027 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 262 [2019-09-08 22:59:54,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:59:54,118 INFO L225 Difference]: With dead ends: 29809 [2019-09-08 22:59:54,118 INFO L226 Difference]: Without dead ends: 29807 [2019-09-08 22:59:54,131 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 22:59:54,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29807 states. [2019-09-08 22:59:54,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29807 to 29807. [2019-09-08 22:59:54,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29807 states. [2019-09-08 22:59:55,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29807 states to 29807 states and 38299 transitions. [2019-09-08 22:59:55,063 INFO L78 Accepts]: Start accepts. Automaton has 29807 states and 38299 transitions. Word has length 262 [2019-09-08 22:59:55,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:59:55,064 INFO L475 AbstractCegarLoop]: Abstraction has 29807 states and 38299 transitions. [2019-09-08 22:59:55,064 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:59:55,064 INFO L276 IsEmpty]: Start isEmpty. Operand 29807 states and 38299 transitions. [2019-09-08 22:59:55,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-09-08 22:59:55,073 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:59:55,073 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 22:59:55,074 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 22:59:55,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:59:55,074 INFO L82 PathProgramCache]: Analyzing trace with hash 252107654, now seen corresponding path program 1 times [2019-09-08 22:59:55,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:59:55,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:59:55,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:55,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:59:55,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:59:55,318 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 22:59:55,319 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:59:55,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:59:55,319 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:59:55,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:59:55,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:59:55,320 INFO L87 Difference]: Start difference. First operand 29807 states and 38299 transitions. Second operand 5 states. [2019-09-08 22:59:56,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:59:56,281 INFO L93 Difference]: Finished difference Result 29813 states and 38304 transitions. [2019-09-08 22:59:56,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:59:56,281 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 267 [2019-09-08 22:59:56,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:59:56,362 INFO L225 Difference]: With dead ends: 29813 [2019-09-08 22:59:56,363 INFO L226 Difference]: Without dead ends: 29809 [2019-09-08 22:59:56,375 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 22:59:56,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29809 states. [2019-09-08 22:59:57,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29809 to 29809. [2019-09-08 22:59:57,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29809 states. [2019-09-08 22:59:57,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29809 states to 29809 states and 38300 transitions. [2019-09-08 22:59:57,365 INFO L78 Accepts]: Start accepts. Automaton has 29809 states and 38300 transitions. Word has length 267 [2019-09-08 22:59:57,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:59:57,365 INFO L475 AbstractCegarLoop]: Abstraction has 29809 states and 38300 transitions. [2019-09-08 22:59:57,366 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:59:57,366 INFO L276 IsEmpty]: Start isEmpty. Operand 29809 states and 38300 transitions. [2019-09-08 22:59:57,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-09-08 22:59:57,375 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:59:57,375 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 22:59:57,376 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 22:59:57,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:59:57,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1049710403, now seen corresponding path program 1 times [2019-09-08 22:59:57,376 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:59:57,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:59:57,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:57,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:59:57,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:59:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:59:57,629 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 22:59:57,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:59:57,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:59:57,630 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:59:57,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:59:57,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:59:57,631 INFO L87 Difference]: Start difference. First operand 29809 states and 38300 transitions. Second operand 5 states. [2019-09-08 22:59:58,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:59:58,954 INFO L93 Difference]: Finished difference Result 29809 states and 38300 transitions. [2019-09-08 22:59:58,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:59:58,954 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 272 [2019-09-08 22:59:58,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:59:59,019 INFO L225 Difference]: With dead ends: 29809 [2019-09-08 22:59:59,019 INFO L226 Difference]: Without dead ends: 29581 [2019-09-08 22:59:59,029 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 22:59:59,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29581 states. [2019-09-08 22:59:59,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29581 to 29581. [2019-09-08 22:59:59,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29581 states. [2019-09-08 23:00:00,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29581 states to 29581 states and 38037 transitions. [2019-09-08 23:00:00,010 INFO L78 Accepts]: Start accepts. Automaton has 29581 states and 38037 transitions. Word has length 272 [2019-09-08 23:00:00,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:00:00,010 INFO L475 AbstractCegarLoop]: Abstraction has 29581 states and 38037 transitions. [2019-09-08 23:00:00,010 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:00:00,010 INFO L276 IsEmpty]: Start isEmpty. Operand 29581 states and 38037 transitions. [2019-09-08 23:00:00,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2019-09-08 23:00:00,022 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:00:00,023 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:00:00,023 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 23:00:00,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:00:00,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1136572861, now seen corresponding path program 1 times [2019-09-08 23:00:00,023 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:00:00,023 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:00:00,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:00:00,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:00:00,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:00:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:00:00,276 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2019-09-08 23:00:00,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:00:00,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:00:00,277 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:00:00,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:00:00,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:00:00,278 INFO L87 Difference]: Start difference. First operand 29581 states and 38037 transitions. Second operand 5 states. [2019-09-08 23:00:20,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:00:20,552 INFO L93 Difference]: Finished difference Result 69290 states and 88690 transitions. [2019-09-08 23:00:20,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 23:00:20,558 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 292 [2019-09-08 23:00:20,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:00:20,679 INFO L225 Difference]: With dead ends: 69290 [2019-09-08 23:00:20,679 INFO L226 Difference]: Without dead ends: 39555 [2019-09-08 23:00:20,740 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 23:00:20,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39555 states. [2019-09-08 23:00:23,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39555 to 39529. [2019-09-08 23:00:23,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39529 states. [2019-09-08 23:00:23,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39529 states to 39529 states and 50174 transitions. [2019-09-08 23:00:23,576 INFO L78 Accepts]: Start accepts. Automaton has 39529 states and 50174 transitions. Word has length 292 [2019-09-08 23:00:23,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:00:23,576 INFO L475 AbstractCegarLoop]: Abstraction has 39529 states and 50174 transitions. [2019-09-08 23:00:23,576 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:00:23,576 INFO L276 IsEmpty]: Start isEmpty. Operand 39529 states and 50174 transitions. [2019-09-08 23:00:23,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2019-09-08 23:00:23,589 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:00:23,590 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:00:23,590 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 23:00:23,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:00:23,590 INFO L82 PathProgramCache]: Analyzing trace with hash 946155193, now seen corresponding path program 1 times [2019-09-08 23:00:23,590 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:00:23,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:00:23,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:00:23,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:00:23,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:00:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:00:23,918 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2019-09-08 23:00:23,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:00:23,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:00:23,919 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:00:23,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:00:23,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:00:23,920 INFO L87 Difference]: Start difference. First operand 39529 states and 50174 transitions. Second operand 5 states. [2019-09-08 23:00:46,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:00:46,865 INFO L93 Difference]: Finished difference Result 88572 states and 112365 transitions. [2019-09-08 23:00:46,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 23:00:46,865 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 387 [2019-09-08 23:00:46,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:00:46,984 INFO L225 Difference]: With dead ends: 88572 [2019-09-08 23:00:46,985 INFO L226 Difference]: Without dead ends: 49260 [2019-09-08 23:00:47,036 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 23:00:47,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49260 states. [2019-09-08 23:00:48,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49260 to 49172. [2019-09-08 23:00:48,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49172 states. [2019-09-08 23:00:48,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49172 states to 49172 states and 62092 transitions. [2019-09-08 23:00:48,710 INFO L78 Accepts]: Start accepts. Automaton has 49172 states and 62092 transitions. Word has length 387 [2019-09-08 23:00:48,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:00:48,711 INFO L475 AbstractCegarLoop]: Abstraction has 49172 states and 62092 transitions. [2019-09-08 23:00:48,711 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:00:48,711 INFO L276 IsEmpty]: Start isEmpty. Operand 49172 states and 62092 transitions. [2019-09-08 23:00:48,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2019-09-08 23:00:48,733 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:00:48,734 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:00:48,734 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 23:00:48,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:00:48,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1494444433, now seen corresponding path program 1 times [2019-09-08 23:00:48,735 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:00:48,735 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:00:48,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:00:48,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:00:48,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:00:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:00:49,167 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2019-09-08 23:00:49,167 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 23:00:49,168 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 23:00:49,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:00:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:00:50,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 6015 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-08 23:00:50,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 23:00:50,918 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2019-09-08 23:00:50,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 23:00:50,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-09-08 23:00:50,937 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 23:00:50,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 23:00:50,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 23:00:50,938 INFO L87 Difference]: Start difference. First operand 49172 states and 62092 transitions. Second operand 6 states. [2019-09-08 23:01:15,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:01:15,272 INFO L93 Difference]: Finished difference Result 107733 states and 136136 transitions. [2019-09-08 23:01:15,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 23:01:15,273 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 463 [2019-09-08 23:01:15,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:01:15,526 INFO L225 Difference]: With dead ends: 107733 [2019-09-08 23:01:15,526 INFO L226 Difference]: Without dead ends: 58593 [2019-09-08 23:01:15,631 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-09-08 23:01:15,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58593 states. [2019-09-08 23:01:19,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58593 to 58489. [2019-09-08 23:01:19,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58489 states. [2019-09-08 23:01:19,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58489 states to 58489 states and 73646 transitions. [2019-09-08 23:01:19,711 INFO L78 Accepts]: Start accepts. Automaton has 58489 states and 73646 transitions. Word has length 463 [2019-09-08 23:01:19,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:01:19,712 INFO L475 AbstractCegarLoop]: Abstraction has 58489 states and 73646 transitions. [2019-09-08 23:01:19,712 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 23:01:19,712 INFO L276 IsEmpty]: Start isEmpty. Operand 58489 states and 73646 transitions. [2019-09-08 23:01:19,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2019-09-08 23:01:19,734 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:01:19,735 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:01:19,735 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 23:01:19,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:01:19,736 INFO L82 PathProgramCache]: Analyzing trace with hash 46231339, now seen corresponding path program 1 times [2019-09-08 23:01:19,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:01:19,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:01:19,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:01:19,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:01:19,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:01:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:01:20,507 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2019-09-08 23:01:20,507 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 23:01:20,507 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) [2019-09-08 23:01:20,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 23:01:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:01:21,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 6019 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 23:01:21,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 23:01:21,778 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 70 proven. 5 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2019-09-08 23:01:21,800 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 23:01:21,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-09-08 23:01:21,801 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 23:01:21,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 23:01:21,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:01:21,802 INFO L87 Difference]: Start difference. First operand 58489 states and 73646 transitions. Second operand 8 states. [2019-09-08 23:01:54,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:01:54,956 INFO L93 Difference]: Finished difference Result 131874 states and 165665 transitions. [2019-09-08 23:01:54,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-08 23:01:54,958 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 463 [2019-09-08 23:01:54,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:01:55,458 INFO L225 Difference]: With dead ends: 131874 [2019-09-08 23:01:55,458 INFO L226 Difference]: Without dead ends: 73602 [2019-09-08 23:01:55,632 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2019-09-08 23:01:55,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73602 states. [2019-09-08 23:02:02,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73602 to 73476. [2019-09-08 23:02:02,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73476 states. [2019-09-08 23:02:02,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73476 states to 73476 states and 91886 transitions. [2019-09-08 23:02:02,903 INFO L78 Accepts]: Start accepts. Automaton has 73476 states and 91886 transitions. Word has length 463 [2019-09-08 23:02:02,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:02:02,904 INFO L475 AbstractCegarLoop]: Abstraction has 73476 states and 91886 transitions. [2019-09-08 23:02:02,904 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 23:02:02,904 INFO L276 IsEmpty]: Start isEmpty. Operand 73476 states and 91886 transitions. [2019-09-08 23:02:02,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2019-09-08 23:02:02,961 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:02:02,962 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:02,962 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 23:02:02,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:02:02,963 INFO L82 PathProgramCache]: Analyzing trace with hash -198712046, now seen corresponding path program 1 times [2019-09-08 23:02:02,963 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:02:02,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:02:02,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:02:02,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:02:02,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:02:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:02:03,712 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 767 trivial. 0 not checked. [2019-09-08 23:02:03,713 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 23:02:03,713 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) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 23:02:03,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:02:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:02:05,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 6454 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 23:02:05,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 23:02:05,400 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 104 proven. 5 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2019-09-08 23:02:05,421 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 23:02:05,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-09-08 23:02:05,425 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 23:02:05,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 23:02:05,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:02:05,426 INFO L87 Difference]: Start difference. First operand 73476 states and 91886 transitions. Second operand 8 states. [2019-09-08 23:02:43,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:02:43,636 INFO L93 Difference]: Finished difference Result 166135 states and 208222 transitions. [2019-09-08 23:02:43,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-08 23:02:43,636 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 538 [2019-09-08 23:02:43,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:02:44,027 INFO L225 Difference]: With dead ends: 166135 [2019-09-08 23:02:44,027 INFO L226 Difference]: Without dead ends: 92876 [2019-09-08 23:02:44,181 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 556 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-09-08 23:02:44,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92876 states. [2019-09-08 23:02:47,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92876 to 92750. [2019-09-08 23:02:47,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92750 states. [2019-09-08 23:02:47,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92750 states to 92750 states and 115952 transitions. [2019-09-08 23:02:47,809 INFO L78 Accepts]: Start accepts. Automaton has 92750 states and 115952 transitions. Word has length 538 [2019-09-08 23:02:47,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:02:47,810 INFO L475 AbstractCegarLoop]: Abstraction has 92750 states and 115952 transitions. [2019-09-08 23:02:47,810 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 23:02:47,810 INFO L276 IsEmpty]: Start isEmpty. Operand 92750 states and 115952 transitions. [2019-09-08 23:02:47,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2019-09-08 23:02:47,852 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:02:47,852 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 10, 10, 10, 10, 10, 10, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:47,853 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 23:02:47,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:02:47,853 INFO L82 PathProgramCache]: Analyzing trace with hash -68343201, now seen corresponding path program 1 times [2019-09-08 23:02:47,853 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:02:47,853 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:02:47,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:02:47,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:02:47,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:02:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:02:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2019-09-08 23:02:49,114 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 23:02:49,114 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 23:02:49,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:02:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:02:50,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 6630 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 23:02:50,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 23:02:50,734 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2019-09-08 23:02:50,760 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 23:02:50,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-09-08 23:02:50,763 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 23:02:50,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 23:02:50,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-09-08 23:02:50,764 INFO L87 Difference]: Start difference. First operand 92750 states and 115952 transitions. Second operand 12 states. [2019-09-08 23:03:46,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:03:46,873 INFO L93 Difference]: Finished difference Result 214149 states and 267237 transitions. [2019-09-08 23:03:46,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 23:03:46,874 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 581 [2019-09-08 23:03:46,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:03:47,350 INFO L225 Difference]: With dead ends: 214149 [2019-09-08 23:03:47,351 INFO L226 Difference]: Without dead ends: 121616 [2019-09-08 23:03:47,550 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 586 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2019-09-08 23:03:47,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121616 states. [2019-09-08 23:03:51,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121616 to 119287. [2019-09-08 23:03:51,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119287 states. [2019-09-08 23:03:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119287 states to 119287 states and 148274 transitions. [2019-09-08 23:03:52,253 INFO L78 Accepts]: Start accepts. Automaton has 119287 states and 148274 transitions. Word has length 581 [2019-09-08 23:03:52,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:03:52,253 INFO L475 AbstractCegarLoop]: Abstraction has 119287 states and 148274 transitions. [2019-09-08 23:03:52,254 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 23:03:52,254 INFO L276 IsEmpty]: Start isEmpty. Operand 119287 states and 148274 transitions. [2019-09-08 23:03:52,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2019-09-08 23:03:52,282 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:03:52,282 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 10, 10, 10, 10, 10, 10, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:52,282 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 23:03:52,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:03:52,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1454842698, now seen corresponding path program 1 times [2019-09-08 23:03:52,283 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:03:52,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:03:52,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:03:52,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:03:52,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:03:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:03:55,623 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2019-09-08 23:03:55,623 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 23:03:55,623 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 23:03:55,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:03:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:03:56,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 6631 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 23:03:56,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 23:03:57,056 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2019-09-08 23:03:57,072 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 23:03:57,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-09-08 23:03:57,074 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 23:03:57,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 23:03:57,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-09-08 23:03:57,074 INFO L87 Difference]: Start difference. First operand 119287 states and 148274 transitions. Second operand 12 states. [2019-09-08 23:04:42,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:04:42,374 INFO L93 Difference]: Finished difference Result 257883 states and 321132 transitions. [2019-09-08 23:04:42,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 23:04:42,374 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 582 [2019-09-08 23:04:42,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:04:42,906 INFO L225 Difference]: With dead ends: 257883 [2019-09-08 23:04:42,906 INFO L226 Difference]: Without dead ends: 138813 [2019-09-08 23:04:43,067 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 584 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=438, Unknown=0, NotChecked=0, Total=552 [2019-09-08 23:04:43,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138813 states. [2019-09-08 23:04:51,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138813 to 138561. [2019-09-08 23:04:51,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138561 states. [2019-09-08 23:04:51,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138561 states to 138561 states and 172357 transitions. [2019-09-08 23:04:52,004 INFO L78 Accepts]: Start accepts. Automaton has 138561 states and 172357 transitions. Word has length 582 [2019-09-08 23:04:52,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:04:52,005 INFO L475 AbstractCegarLoop]: Abstraction has 138561 states and 172357 transitions. [2019-09-08 23:04:52,005 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 23:04:52,005 INFO L276 IsEmpty]: Start isEmpty. Operand 138561 states and 172357 transitions. [2019-09-08 23:04:52,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2019-09-08 23:04:52,037 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:04:52,037 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:52,038 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 23:04:52,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:04:52,038 INFO L82 PathProgramCache]: Analyzing trace with hash 891838204, now seen corresponding path program 1 times [2019-09-08 23:04:52,038 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:04:52,038 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:04:52,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:04:52,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:04:52,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:04:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:04:52,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 112 proven. 15 refuted. 0 times theorem prover too weak. 1033 trivial. 0 not checked. [2019-09-08 23:04:52,654 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 23:04:52,654 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 23:04:52,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:04:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:04:53,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 6794 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 23:04:53,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 23:04:54,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 362 proven. 7 refuted. 0 times theorem prover too weak. 791 trivial. 0 not checked. [2019-09-08 23:04:54,206 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 23:04:54,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-09-08 23:04:54,209 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 23:04:54,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 23:04:54,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-09-08 23:04:54,210 INFO L87 Difference]: Start difference. First operand 138561 states and 172357 transitions. Second operand 12 states. [2019-09-08 23:05:44,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:05:44,431 INFO L93 Difference]: Finished difference Result 286668 states and 356730 transitions. [2019-09-08 23:05:44,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-08 23:05:44,432 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 617 [2019-09-08 23:05:44,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:05:44,814 INFO L225 Difference]: With dead ends: 286668 [2019-09-08 23:05:44,814 INFO L226 Difference]: Without dead ends: 148324 [2019-09-08 23:05:44,986 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 622 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462 [2019-09-08 23:05:45,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148324 states. [2019-09-08 23:05:54,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148324 to 148144. [2019-09-08 23:05:54,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148144 states. [2019-09-08 23:05:55,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148144 states to 148144 states and 184236 transitions. [2019-09-08 23:05:55,238 INFO L78 Accepts]: Start accepts. Automaton has 148144 states and 184236 transitions. Word has length 617 [2019-09-08 23:05:55,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:05:55,239 INFO L475 AbstractCegarLoop]: Abstraction has 148144 states and 184236 transitions. [2019-09-08 23:05:55,239 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 23:05:55,239 INFO L276 IsEmpty]: Start isEmpty. Operand 148144 states and 184236 transitions. [2019-09-08 23:05:55,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2019-09-08 23:05:55,267 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:05:55,268 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 13, 13, 13, 10, 10, 10, 10, 10, 10, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:05:55,268 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 23:05:55,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:05:55,268 INFO L82 PathProgramCache]: Analyzing trace with hash -963747486, now seen corresponding path program 1 times [2019-09-08 23:05:55,268 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:05:55,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:05:55,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:05:55,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:05:55,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:05:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:05:56,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 118 proven. 2 refuted. 0 times theorem prover too weak. 1184 trivial. 0 not checked. [2019-09-08 23:05:56,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 23:05:56,403 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 23:05:56,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:05:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:05:57,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 6928 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 23:05:57,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 23:05:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 202 proven. 5 refuted. 0 times theorem prover too weak. 1097 trivial. 0 not checked. [2019-09-08 23:05:58,001 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 23:05:58,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-09-08 23:05:58,003 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 23:05:58,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 23:05:58,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-09-08 23:05:58,003 INFO L87 Difference]: Start difference. First operand 148144 states and 184236 transitions. Second operand 12 states. [2019-09-08 23:06:45,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:06:45,606 INFO L93 Difference]: Finished difference Result 305658 states and 380412 transitions. [2019-09-08 23:06:45,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 23:06:45,607 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 641 [2019-09-08 23:06:45,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:06:46,035 INFO L225 Difference]: With dead ends: 305658 [2019-09-08 23:06:46,035 INFO L226 Difference]: Without dead ends: 157731 [2019-09-08 23:06:46,240 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 670 GetRequests, 648 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2019-09-08 23:06:46,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157731 states. [2019-09-08 23:06:57,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157731 to 148204. [2019-09-08 23:06:57,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148204 states. [2019-09-08 23:06:58,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148204 states to 148204 states and 184308 transitions. [2019-09-08 23:06:58,238 INFO L78 Accepts]: Start accepts. Automaton has 148204 states and 184308 transitions. Word has length 641 [2019-09-08 23:06:58,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:06:58,238 INFO L475 AbstractCegarLoop]: Abstraction has 148204 states and 184308 transitions. [2019-09-08 23:06:58,239 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 23:06:58,239 INFO L276 IsEmpty]: Start isEmpty. Operand 148204 states and 184308 transitions. [2019-09-08 23:06:58,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2019-09-08 23:06:58,264 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:06:58,265 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 13, 13, 13, 10, 10, 10, 10, 10, 10, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:58,265 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 23:06:58,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:06:58,265 INFO L82 PathProgramCache]: Analyzing trace with hash 683288759, now seen corresponding path program 1 times [2019-09-08 23:06:58,266 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:06:58,266 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:06:58,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:58,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:06:58,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:06:58,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 118 proven. 2 refuted. 0 times theorem prover too weak. 1185 trivial. 0 not checked. [2019-09-08 23:06:58,773 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 23:06:58,773 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 23:06:58,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 23:06:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:07:00,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 6929 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 23:07:00,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 23:07:00,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 202 proven. 5 refuted. 0 times theorem prover too weak. 1098 trivial. 0 not checked. [2019-09-08 23:07:01,002 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 23:07:01,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-09-08 23:07:01,003 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 23:07:01,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 23:07:01,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-09-08 23:07:01,003 INFO L87 Difference]: Start difference. First operand 148204 states and 184308 transitions. Second operand 12 states. [2019-09-08 23:07:53,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:07:53,018 INFO L93 Difference]: Finished difference Result 315477 states and 393068 transitions. [2019-09-08 23:07:53,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 23:07:53,018 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 642 [2019-09-08 23:07:53,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:07:53,507 INFO L225 Difference]: With dead ends: 315477 [2019-09-08 23:07:53,508 INFO L226 Difference]: Without dead ends: 167490 [2019-09-08 23:07:53,698 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 668 GetRequests, 646 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=438, Unknown=0, NotChecked=0, Total=552 [2019-09-08 23:07:53,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167490 states. [2019-09-08 23:08:00,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167490 to 148264. [2019-09-08 23:08:00,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148264 states. [2019-09-08 23:08:00,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148264 states to 148264 states and 184380 transitions. [2019-09-08 23:08:00,860 INFO L78 Accepts]: Start accepts. Automaton has 148264 states and 184380 transitions. Word has length 642 [2019-09-08 23:08:00,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:08:00,861 INFO L475 AbstractCegarLoop]: Abstraction has 148264 states and 184380 transitions. [2019-09-08 23:08:00,861 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 23:08:00,861 INFO L276 IsEmpty]: Start isEmpty. Operand 148264 states and 184380 transitions. [2019-09-08 23:08:00,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2019-09-08 23:08:00,893 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:08:00,894 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 10, 10, 10, 10, 10, 10, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:08:00,894 INFO L418 AbstractCegarLoop]: === Iteration 29 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:08:00,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:08:00,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1483051012, now seen corresponding path program 1 times [2019-09-08 23:08:00,895 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:08:00,895 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:08:00,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:08:00,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:08:00,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:08:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:08:06,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 137 proven. 28 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2019-09-08 23:08:06,094 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 23:08:06,094 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 23:08:06,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:08:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:08:07,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 7179 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 23:08:07,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 23:08:07,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 961 trivial. 0 not checked. [2019-09-08 23:08:07,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 23:08:07,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2019-09-08 23:08:07,619 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 23:08:07,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 23:08:07,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-08 23:08:07,620 INFO L87 Difference]: Start difference. First operand 148264 states and 184380 transitions. Second operand 10 states. [2019-09-08 23:08:54,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:08:54,052 INFO L93 Difference]: Finished difference Result 325487 states and 405294 transitions. [2019-09-08 23:08:54,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-09-08 23:08:54,053 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 689 [2019-09-08 23:08:54,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:08:54,534 INFO L225 Difference]: With dead ends: 325487 [2019-09-08 23:08:54,534 INFO L226 Difference]: Without dead ends: 177440 [2019-09-08 23:08:54,725 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 736 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=195, Invalid=675, Unknown=0, NotChecked=0, Total=870 [2019-09-08 23:08:54,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177440 states. [2019-09-08 23:09:06,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177440 to 177268. [2019-09-08 23:09:06,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177268 states. [2019-09-08 23:09:07,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177268 states to 177268 states and 220645 transitions. [2019-09-08 23:09:07,127 INFO L78 Accepts]: Start accepts. Automaton has 177268 states and 220645 transitions. Word has length 689 [2019-09-08 23:09:07,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:09:07,128 INFO L475 AbstractCegarLoop]: Abstraction has 177268 states and 220645 transitions. [2019-09-08 23:09:07,128 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 23:09:07,128 INFO L276 IsEmpty]: Start isEmpty. Operand 177268 states and 220645 transitions. [2019-09-08 23:09:07,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 694 [2019-09-08 23:09:07,159 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:09:07,160 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 10, 10, 10, 10, 10, 10, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:09:07,160 INFO L418 AbstractCegarLoop]: === Iteration 30 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:09:07,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:09:07,161 INFO L82 PathProgramCache]: Analyzing trace with hash 709034475, now seen corresponding path program 1 times [2019-09-08 23:09:07,161 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:09:07,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:09:07,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:09:07,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:09:07,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:09:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:09:08,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 124 proven. 11 refuted. 0 times theorem prover too weak. 1212 trivial. 0 not checked. [2019-09-08 23:09:08,163 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 23:09:08,163 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 23:09:08,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:09:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:09:09,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 7202 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 23:09:09,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 23:09:09,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 410 proven. 5 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2019-09-08 23:09:09,681 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 23:09:09,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-09-08 23:09:09,682 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 23:09:09,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 23:09:09,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:09:09,683 INFO L87 Difference]: Start difference. First operand 177268 states and 220645 transitions. Second operand 8 states. [2019-09-08 23:09:45,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:09:45,804 INFO L93 Difference]: Finished difference Result 363999 states and 453376 transitions. [2019-09-08 23:09:45,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 23:09:45,805 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 693 [2019-09-08 23:09:45,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:09:46,325 INFO L225 Difference]: With dead ends: 363999 [2019-09-08 23:09:46,325 INFO L226 Difference]: Without dead ends: 186951 [2019-09-08 23:09:46,538 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 709 GetRequests, 697 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2019-09-08 23:09:46,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186951 states. [2019-09-08 23:09:54,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186951 to 186843. [2019-09-08 23:09:54,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186843 states. [2019-09-08 23:09:55,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186843 states to 186843 states and 232492 transitions. [2019-09-08 23:09:55,088 INFO L78 Accepts]: Start accepts. Automaton has 186843 states and 232492 transitions. Word has length 693 [2019-09-08 23:09:55,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:09:55,088 INFO L475 AbstractCegarLoop]: Abstraction has 186843 states and 232492 transitions. [2019-09-08 23:09:55,088 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 23:09:55,088 INFO L276 IsEmpty]: Start isEmpty. Operand 186843 states and 232492 transitions. [2019-09-08 23:09:55,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2019-09-08 23:09:55,124 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:09:55,124 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 10, 10, 10, 10, 10, 10, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:09:55,125 INFO L418 AbstractCegarLoop]: === Iteration 31 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:09:55,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:09:55,125 INFO L82 PathProgramCache]: Analyzing trace with hash -155613560, now seen corresponding path program 1 times [2019-09-08 23:09:55,125 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:09:55,126 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:09:55,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:09:55,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:09:55,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:09:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:09:55,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1389 trivial. 0 not checked. [2019-09-08 23:09:55,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:09:55,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:09:55,744 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:09:55,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:09:55,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:09:55,747 INFO L87 Difference]: Start difference. First operand 186843 states and 232492 transitions. Second operand 5 states. [2019-09-08 23:10:05,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:10:05,462 INFO L93 Difference]: Finished difference Result 187039 states and 232686 transitions. [2019-09-08 23:10:05,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:10:05,463 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 702 [2019-09-08 23:10:05,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:10:06,255 INFO L225 Difference]: With dead ends: 187039 [2019-09-08 23:10:06,255 INFO L226 Difference]: Without dead ends: 187037 [2019-09-08 23:10:06,305 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 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 23:10:06,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187037 states. [2019-09-08 23:10:13,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187037 to 187035. [2019-09-08 23:10:13,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187035 states. [2019-09-08 23:10:13,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187035 states to 187035 states and 232588 transitions. [2019-09-08 23:10:13,988 INFO L78 Accepts]: Start accepts. Automaton has 187035 states and 232588 transitions. Word has length 702 [2019-09-08 23:10:13,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:10:13,989 INFO L475 AbstractCegarLoop]: Abstraction has 187035 states and 232588 transitions. [2019-09-08 23:10:13,989 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:10:13,989 INFO L276 IsEmpty]: Start isEmpty. Operand 187035 states and 232588 transitions. [2019-09-08 23:10:14,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2019-09-08 23:10:14,041 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:10:14,042 INFO L399 BasicCegarLoop]: trace histogram [17, 17, 17, 12, 12, 12, 12, 10, 10, 10, 10, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:10:14,042 INFO L418 AbstractCegarLoop]: === Iteration 32 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:10:14,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:10:14,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1477140849, now seen corresponding path program 1 times [2019-09-08 23:10:14,043 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:10:14,043 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:10:14,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:10:14,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:10:14,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:10:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:10:14,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2019-09-08 23:10:14,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:10:14,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:10:14,975 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:10:14,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:10:14,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:10:14,976 INFO L87 Difference]: Start difference. First operand 187035 states and 232588 transitions. Second operand 3 states. [2019-09-08 23:10:25,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:10:25,546 INFO L93 Difference]: Finished difference Result 373862 states and 465310 transitions. [2019-09-08 23:10:25,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:10:25,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 765 [2019-09-08 23:10:25,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:10:26,051 INFO L225 Difference]: With dead ends: 373862 [2019-09-08 23:10:26,051 INFO L226 Difference]: Without dead ends: 187047 [2019-09-08 23:10:26,270 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:10:26,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187047 states. [2019-09-08 23:10:33,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187047 to 187047. [2019-09-08 23:10:33,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187047 states. [2019-09-08 23:10:34,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187047 states to 187047 states and 232600 transitions. [2019-09-08 23:10:34,374 INFO L78 Accepts]: Start accepts. Automaton has 187047 states and 232600 transitions. Word has length 765 [2019-09-08 23:10:34,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:10:34,375 INFO L475 AbstractCegarLoop]: Abstraction has 187047 states and 232600 transitions. [2019-09-08 23:10:34,375 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:10:34,375 INFO L276 IsEmpty]: Start isEmpty. Operand 187047 states and 232600 transitions. [2019-09-08 23:10:34,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1034 [2019-09-08 23:10:34,431 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:10:34,432 INFO L399 BasicCegarLoop]: trace histogram [22, 22, 22, 20, 20, 12, 12, 10, 10, 10, 10, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:10:34,432 INFO L418 AbstractCegarLoop]: === Iteration 33 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:10:34,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:10:34,433 INFO L82 PathProgramCache]: Analyzing trace with hash 505293777, now seen corresponding path program 1 times [2019-09-08 23:10:34,433 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:10:34,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:10:34,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:10:34,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:10:34,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:10:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat