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-8390-axnet_cs.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 22:37:41,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 22:37:41,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 22:37:41,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 22:37:41,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 22:37:41,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 22:37:41,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 22:37:41,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 22:37:41,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 22:37:41,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 22:37:41,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 22:37:41,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 22:37:41,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 22:37:41,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 22:37:41,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 22:37:41,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 22:37:41,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 22:37:41,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 22:37:41,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 22:37:41,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 22:37:41,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 22:37:41,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 22:37:41,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 22:37:41,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 22:37:41,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 22:37:41,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 22:37:41,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 22:37:41,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 22:37:41,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 22:37:41,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 22:37:41,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 22:37:41,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 22:37:41,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 22:37:41,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 22:37:41,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 22:37:41,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 22:37:41,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 22:37:41,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 22:37:41,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 22:37:41,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 22:37:41,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 22:37:41,611 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 22:37:41,626 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 22:37:41,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 22:37:41,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 22:37:41,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 22:37:41,629 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 22:37:41,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 22:37:41,629 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 22:37:41,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 22:37:41,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 22:37:41,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 22:37:41,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 22:37:41,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 22:37:41,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 22:37:41,631 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 22:37:41,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 22:37:41,631 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 22:37:41,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 22:37:41,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 22:37:41,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 22:37:41,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 22:37:41,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 22:37:41,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 22:37:41,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 22:37:41,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 22:37:41,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 22:37:41,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 22:37:41,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 22:37:41,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 22:37:41,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 22:37:41,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 22:37:41,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 22:37:41,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 22:37:41,701 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 22:37:41,701 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 22:37:41,702 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2019-09-08 22:37:41,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd26d67df/f8a92b6e1de24881a9516d78a1df2eff/FLAGc02fee68e [2019-09-08 22:37:42,812 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 22:37:42,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2019-09-08 22:37:42,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd26d67df/f8a92b6e1de24881a9516d78a1df2eff/FLAGc02fee68e [2019-09-08 22:37:43,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd26d67df/f8a92b6e1de24881a9516d78a1df2eff [2019-09-08 22:37:43,191 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 22:37:43,192 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 22:37:43,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 22:37:43,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 22:37:43,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 22:37:43,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 10:37:43" (1/1) ... [2019-09-08 22:37:43,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45625c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:37:43, skipping insertion in model container [2019-09-08 22:37:43,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 10:37:43" (1/1) ... [2019-09-08 22:37:43,211 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 22:37:43,367 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 22:37:46,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 22:37:46,856 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 22:37:47,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 22:37:48,906 INFO L192 MainTranslator]: Completed translation [2019-09-08 22:37:48,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:37:48 WrapperNode [2019-09-08 22:37:48,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 22:37:48,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 22:37:48,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 22:37:48,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 22:37:48,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:37:48" (1/1) ... [2019-09-08 22:37:48,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:37:48" (1/1) ... [2019-09-08 22:37:49,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:37:48" (1/1) ... [2019-09-08 22:37:49,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:37:48" (1/1) ... [2019-09-08 22:37:49,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:37:48" (1/1) ... [2019-09-08 22:37:49,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:37:48" (1/1) ... [2019-09-08 22:37:49,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:37:48" (1/1) ... [2019-09-08 22:37:49,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 22:37:49,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 22:37:49,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 22:37:49,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 22:37:49,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:37:48" (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 22:37:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 22:37:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 22:37:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2019-09-08 22:37:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 22:37:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-09-08 22:37:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-09-08 22:37:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2019-09-08 22:37:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-09-08 22:37:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-08 22:37:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-08 22:37:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-08 22:37:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-08 22:37:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2019-09-08 22:37:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 22:37:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-08 22:37:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-09-08 22:37:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-09-08 22:37:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-09-08 22:37:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2019-09-08 22:37:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2019-09-08 22:37:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2019-09-08 22:37:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure outsw [2019-09-08 22:37:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2019-09-08 22:37:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-08 22:37:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-09-08 22:37:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-09-08 22:37:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-08 22:37:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-08 22:37:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-08 22:37:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-08 22:37:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-08 22:37:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-08 22:37:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-08 22:37:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-08 22:37:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-09-08 22:37:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2019-09-08 22:37:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-09-08 22:37:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-09-08 22:37:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2019-09-08 22:37:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_probe [2019-09-08 22:37:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_detach [2019-09-08 22:37:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure get_prom [2019-09-08 22:37:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure try_io_port [2019-09-08 22:37:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_configcheck [2019-09-08 22:37:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_config [2019-09-08 22:37:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_release [2019-09-08 22:37:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_suspend [2019-09-08 22:37:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_resume [2019-09-08 22:37:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2019-09-08 22:37:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2019-09-08 22:37:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2019-09-08 22:37:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_open [2019-09-08 22:37:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_close [2019-09-08 22:37:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_reset_8390 [2019-09-08 22:37:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_irq_wrapper [2019-09-08 22:37:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_watchdog [2019-09-08 22:37:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_ioctl [2019-09-08 22:37:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure get_8390_hdr [2019-09-08 22:37:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure block_input [2019-09-08 22:37:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure block_output [2019-09-08 22:37:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_cs_driver_init [2019-09-08 22:37:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_cs_driver_exit [2019-09-08 22:37:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_open [2019-09-08 22:37:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_close [2019-09-08 22:37:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_tx_timeout [2019-09-08 22:37:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_start_xmit [2019-09-08 22:37:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_interrupt [2019-09-08 22:37:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_err [2019-09-08 22:37:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_intr [2019-09-08 22:37:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_receive [2019-09-08 22:37:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_rx_overrun [2019-09-08 22:37:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats [2019-09-08 22:37:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure make_mc_bits [2019-09-08 22:37:49,535 INFO L138 BoogieDeclarations]: Found implementation of procedure do_set_multicast_list [2019-09-08 22:37:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2019-09-08 22:37:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure AX88190_init [2019-09-08 22:37:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_trigger_send [2019-09-08 22:37:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_axnet_cs_driver_exit_14_2 [2019-09-08 22:37:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_axnet_cs_driver_init_14_9 [2019-09-08 22:37:49,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2019-09-08 22:37:49,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-09-08 22:37:49,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_probe_2_16 [2019-09-08 22:37:49,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_release_2_2 [2019-09-08 22:37:49,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_resume_2_5 [2019-09-08 22:37:49,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_suspend_2_7 [2019-09-08 22:37:49,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2019-09-08 22:37:49,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_11_1 [2019-09-08 22:37:49,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_12_1 [2019-09-08 22:37:49,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2019-09-08 22:37:49,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_6_1 [2019-09-08 22:37:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_4_3 [2019-09-08 22:37:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_7_1 [2019-09-08 22:37:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_10_2 [2019-09-08 22:37:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2019-09-08 22:37:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_4 [2019-09-08 22:37:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2019-09-08 22:37:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-09-08 22:37:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_13 [2019-09-08 22:37:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_14 [2019-09-08 22:37:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-09-08 22:37:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_16 [2019-09-08 22:37:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2019-09-08 22:37:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-09-08 22:37:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-09-08 22:37:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_14 [2019-09-08 22:37:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 22:37:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2019-09-08 22:37:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2019-09-08 22:37:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-09-08 22:37:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2019-09-08 22:37:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2019-09-08 22:37:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2019-09-08 22:37:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2019-09-08 22:37:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pcmcia_register_driver [2019-09-08 22:37:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pcmcia_unregister_driver [2019-09-08 22:37:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2019-09-08 22:37:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2019-09-08 22:37:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2019-09-08 22:37:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pcmcia_driver_base_instance_2 [2019-09-08 22:37:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-09-08 22:37:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-09-08 22:37:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-09-08 22:37:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2019-09-08 22:37:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-09-08 22:37:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2019-09-08 22:37:49,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_10 [2019-09-08 22:37:49,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_19 [2019-09-08 22:37:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-09-08 22:37:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_3 [2019-09-08 22:37:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-09-08 22:37:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_4 [2019-09-08 22:37:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_dummy_factory_4 [2019-09-08 22:37:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2019-09-08 22:37:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2019-09-08 22:37:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2019-09-08 22:37:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2019-09-08 22:37:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_60 [2019-09-08 22:37:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_61 [2019-09-08 22:37:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_62 [2019-09-08 22:37:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_63 [2019-09-08 22:37:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_64 [2019-09-08 22:37:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_65 [2019-09-08 22:37:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_66 [2019-09-08 22:37:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pcmcia_register_driver_67 [2019-09-08 22:37:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pcmcia_unregister_driver_68 [2019-09-08 22:37:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_69 [2019-09-08 22:37:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_70 [2019-09-08 22:37:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_71 [2019-09-08 22:37:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_73 [2019-09-08 22:37:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_75 [2019-09-08 22:37:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_77 [2019-09-08 22:37:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_80 [2019-09-08 22:37:49,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_83 [2019-09-08 22:37:49,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_85 [2019-09-08 22:37:49,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-09-08 22:37:49,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-09-08 22:37:49,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-09-08 22:37:49,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 22:37:49,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 22:37:49,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 22:37:49,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 22:37:49,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-09-08 22:37:49,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-09-08 22:37:49,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-09-08 22:37:49,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-09-08 22:37:49,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-09-08 22:37:49,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-09-08 22:37:49,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 22:37:49,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 22:37:49,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-08 22:37:49,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 22:37:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-09-08 22:37:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 22:37:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-09-08 22:37:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-09-08 22:37:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-09-08 22:37:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-09-08 22:37:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-09-08 22:37:49,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-09-08 22:37:49,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-09-08 22:37:49,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 22:37:49,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 22:37:49,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 22:37:49,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-08 22:37:49,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-09-08 22:37:49,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-09-08 22:37:49,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-09-08 22:37:49,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-09-08 22:37:49,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-09-08 22:37:49,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-09-08 22:37:49,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-09-08 22:37:49,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-09-08 22:37:49,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-09-08 22:37:49,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-09-08 22:37:49,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-09-08 22:37:49,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-09-08 22:37:49,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-09-08 22:37:49,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-09-08 22:37:49,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-09-08 22:37:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-09-08 22:37:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-09-08 22:37:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-09-08 22:37:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-09-08 22:37:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-09-08 22:37:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-09-08 22:37:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-09-08 22:37:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-09-08 22:37:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-09-08 22:37:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-09-08 22:37:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-09-08 22:37:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-09-08 22:37:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-09-08 22:37:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-09-08 22:37:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-09-08 22:37:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-09-08 22:37:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-09-08 22:37:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-09-08 22:37:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-09-08 22:37:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-09-08 22:37:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-09-08 22:37:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-09-08 22:37:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-09-08 22:37:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-09-08 22:37:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-09-08 22:37:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-09-08 22:37:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-09-08 22:37:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-09-08 22:37:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-09-08 22:37:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-09-08 22:37:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:37:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-09-08 22:37:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-09-08 22:37:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-09-08 22:37:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-09-08 22:37:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:37:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-09-08 22:37:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:37:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-09-08 22:37:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-09-08 22:37:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-09-08 22:37:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-09-08 22:37:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-09-08 22:37:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-09-08 22:37:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-09-08 22:37:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-09-08 22:37:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-09-08 22:37:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-09-08 22:37:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-09-08 22:37:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-09-08 22:37:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-09-08 22:37:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-09-08 22:37:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-09-08 22:37:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-09-08 22:37:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_page_lock_of_ei_device [2019-09-08 22:37:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_page_lock_of_ei_device [2019-09-08 22:37:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_page_lock_of_ei_device [2019-09-08 22:37:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_page_lock_of_ei_device [2019-09-08 22:37:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_page_lock_of_ei_device [2019-09-08 22:37:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_page_lock_of_ei_device [2019-09-08 22:37:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_page_lock_of_ei_device [2019-09-08 22:37:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_page_lock_of_ei_device [2019-09-08 22:37:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-09-08 22:37:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-09-08 22:37:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-09-08 22:37:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-09-08 22:37:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-09-08 22:37:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-09-08 22:37:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-09-08 22:37:49,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-09-08 22:37:49,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-09-08 22:37:49,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-09-08 22:37:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-09-08 22:37:49,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-09-08 22:37:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-09-08 22:37:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-09-08 22:37:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-09-08 22:37:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-09-08 22:37:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-09-08 22:37:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-09-08 22:37:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-09-08 22:37:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-09-08 22:37:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-09-08 22:37:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-09-08 22:37:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-09-08 22:37:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-09-08 22:37:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 22:37:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-09-08 22:37:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-09-08 22:37:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-09-08 22:37:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-09-08 22:37:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-09-08 22:37:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-08 22:37:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-08 22:37:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-09-08 22:37:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-09-08 22:37:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2019-09-08 22:37:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-09-08 22:37:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-08 22:37:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-08 22:37:49,679 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-08 22:37:49,679 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-09-08 22:37:49,679 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-09-08 22:37:49,679 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2019-09-08 22:37:49,679 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-09-08 22:37:49,679 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-09-08 22:37:49,679 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-08 22:37:49,679 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2019-09-08 22:37:49,680 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-09-08 22:37:49,680 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-09-08 22:37:49,680 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-09-08 22:37:49,680 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-09-08 22:37:49,680 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-09-08 22:37:49,680 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-08 22:37:49,680 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-08 22:37:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-09-08 22:37:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-09-08 22:37:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-09-08 22:37:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-08 22:37:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 22:37:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2019-09-08 22:37:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2019-09-08 22:37:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2019-09-08 22:37:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-09-08 22:37:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-09-08 22:37:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notice [2019-09-08 22:37:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-09-08 22:37:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2019-09-08 22:37:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2019-09-08 22:37:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-09-08 22:37:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-09-08 22:37:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_present [2019-09-08 22:37:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_disable_device [2019-09-08 22:37:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_enable_device [2019-09-08 22:37:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2019-09-08 22:37:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_register_driver [2019-09-08 22:37:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2019-09-08 22:37:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_unregister_driver [2019-09-08 22:37:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_write_config_byte [2019-09-08 22:37:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 22:37:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-08 22:37:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-08 22:37:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-08 22:37:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-08 22:37:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-08 22:37:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 22:37:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 22:37:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 22:37:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 22:37:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 22:37:49,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 22:37:49,686 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-08 22:37:49,686 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-08 22:37:49,686 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-08 22:37:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-08 22:37:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 22:37:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 22:37:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-09-08 22:37:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-08 22:37:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-09-08 22:37:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 22:37:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 22:37:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-08 22:37:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2019-09-08 22:37:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2019-09-08 22:37:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 22:37:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2019-09-08 22:37:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_69 [2019-09-08 22:37:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_71 [2019-09-08 22:37:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_73 [2019-09-08 22:37:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_75 [2019-09-08 22:37:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_77 [2019-09-08 22:37:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_80 [2019-09-08 22:37:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_83 [2019-09-08 22:37:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_85 [2019-09-08 22:37:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_page_lock_of_ei_device [2019-09-08 22:37:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_page_lock_of_ei_device [2019-09-08 22:37:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 22:37:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-09-08 22:37:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-09-08 22:37:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2019-09-08 22:37:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 22:37:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2019-09-08 22:37:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2019-09-08 22:37:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-09-08 22:37:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 22:37:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 22:37:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-09-08 22:37:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-09-08 22:37:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-09-08 22:37:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-08 22:37:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-08 22:37:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 22:37:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-08 22:37:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_70 [2019-09-08 22:37:49,696 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-09-08 22:37:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-09-08 22:37:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-08 22:37:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_66 [2019-09-08 22:37:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-09-08 22:37:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-09-08 22:37:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-09-08 22:37:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2019-09-08 22:37:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2019-09-08 22:37:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2019-09-08 22:37:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure outsw [2019-09-08 22:37:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2019-09-08 22:37:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-08 22:37:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-09-08 22:37:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-08 22:37:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-08 22:37:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 22:37:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 22:37:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-09-08 22:37:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-09-08 22:37:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-09-08 22:37:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 22:37:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-08 22:37:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-08 22:37:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-08 22:37:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_62 [2019-09-08 22:37:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-09-08 22:37:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-08 22:37:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-08 22:37:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-08 22:37:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-08 22:37:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-08 22:37:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-08 22:37:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 22:37:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-08 22:37:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-09-08 22:37:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-09-08 22:37:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2019-09-08 22:37:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2019-09-08 22:37:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2019-09-08 22:37:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2019-09-08 22:37:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-08 22:37:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_63 [2019-09-08 22:37:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-08 22:37:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_61 [2019-09-08 22:37:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-09-08 22:37:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-09-08 22:37:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notice [2019-09-08 22:37:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-09-08 22:37:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-09-08 22:37:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-09-08 22:37:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-09-08 22:37:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-09-08 22:37:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-09-08 22:37:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_60 [2019-09-08 22:37:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2019-09-08 22:37:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-09-08 22:37:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-09-08 22:37:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-08 22:37:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-09-08 22:37:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_64 [2019-09-08 22:37:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-08 22:37:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_65 [2019-09-08 22:37:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_register_driver [2019-09-08 22:37:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pcmcia_register_driver_67 [2019-09-08 22:37:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_unregister_driver [2019-09-08 22:37:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pcmcia_unregister_driver_68 [2019-09-08 22:37:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2019-09-08 22:37:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_present [2019-09-08 22:37:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_write_config_byte [2019-09-08 22:37:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2019-09-08 22:37:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_enable_device [2019-09-08 22:37:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_disable_device [2019-09-08 22:37:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_config [2019-09-08 22:37:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_release [2019-09-08 22:37:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_open [2019-09-08 22:37:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_close [2019-09-08 22:37:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_ioctl [2019-09-08 22:37:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_start_xmit [2019-09-08 22:37:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats [2019-09-08 22:37:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2019-09-08 22:37:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_tx_timeout [2019-09-08 22:37:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure ei_irq_wrapper [2019-09-08 22:37:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure ei_watchdog [2019-09-08 22:37:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_reset_8390 [2019-09-08 22:37:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2019-09-08 22:37:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2019-09-08 22:37:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure get_8390_hdr [2019-09-08 22:37:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure block_input [2019-09-08 22:37:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure block_output [2019-09-08 22:37:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_detach [2019-09-08 22:37:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure AX88190_init [2019-09-08 22:37:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure ax_open [2019-09-08 22:37:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure ax_close [2019-09-08 22:37:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure ax_interrupt [2019-09-08 22:37:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2019-09-08 22:37:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_probe [2019-09-08 22:37:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 22:37:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure get_prom [2019-09-08 22:37:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure try_io_port [2019-09-08 22:37:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_configcheck [2019-09-08 22:37:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_suspend [2019-09-08 22:37:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_resume [2019-09-08 22:37:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2019-09-08 22:37:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_cs_driver_init [2019-09-08 22:37:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_cs_driver_exit [2019-09-08 22:37:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_intr [2019-09-08 22:37:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_err [2019-09-08 22:37:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure ei_receive [2019-09-08 22:37:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure ei_rx_overrun [2019-09-08 22:37:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_trigger_send [2019-09-08 22:37:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure do_set_multicast_list [2019-09-08 22:37:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 22:37:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-09-08 22:37:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 22:37:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-09-08 22:37:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure make_mc_bits [2019-09-08 22:37:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_axnet_cs_driver_exit_14_2 [2019-09-08 22:37:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_axnet_cs_driver_init_14_9 [2019-09-08 22:37:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2019-09-08 22:37:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-09-08 22:37:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_probe_2_16 [2019-09-08 22:37:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_release_2_2 [2019-09-08 22:37:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_resume_2_5 [2019-09-08 22:37:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_suspend_2_7 [2019-09-08 22:37:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2019-09-08 22:37:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_11_1 [2019-09-08 22:37:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_12_1 [2019-09-08 22:37:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_factory_14_14_4 [2019-09-08 22:37:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_6_1 [2019-09-08 22:37:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_4_3 [2019-09-08 22:37:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_7_1 [2019-09-08 22:37:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_10_2 [2019-09-08 22:37:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2019-09-08 22:37:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_4 [2019-09-08 22:37:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_factory_14_14_5 [2019-09-08 22:37:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-09-08 22:37:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_13 [2019-09-08 22:37:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_14 [2019-09-08 22:37:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-09-08 22:37:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_16 [2019-09-08 22:37:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2019-09-08 22:37:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-09-08 22:37:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-09-08 22:37:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_14 [2019-09-08 22:37:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 22:37:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2019-09-08 22:37:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2019-09-08 22:37:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-09-08 22:37:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2019-09-08 22:37:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2019-09-08 22:37:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2019-09-08 22:37:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2019-09-08 22:37:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pcmcia_register_driver [2019-09-08 22:37:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pcmcia_unregister_driver [2019-09-08 22:37:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2019-09-08 22:37:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2019-09-08 22:37:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2019-09-08 22:37:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pcmcia_driver_base_instance_2 [2019-09-08 22:37:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-09-08 22:37:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-09-08 22:37:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-09-08 22:37:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2019-09-08 22:37:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-09-08 22:37:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2019-09-08 22:37:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_10 [2019-09-08 22:37:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_19 [2019-09-08 22:37:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-09-08 22:37:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_3 [2019-09-08 22:37:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-09-08 22:37:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_4 [2019-09-08 22:37:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_dummy_factory_4 [2019-09-08 22:37:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2019-09-08 22:37:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2019-09-08 22:37:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2019-09-08 22:37:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2019-09-08 22:37:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2019-09-08 22:37:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-09-08 22:37:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-09-08 22:37:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-09-08 22:37:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-09-08 22:37:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 22:37:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-09-08 22:37:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 22:37:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 22:37:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 22:37:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 22:37:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-09-08 22:37:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-09-08 22:37:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-08 22:37:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-09-08 22:37:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-09-08 22:37:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-09-08 22:37:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-08 22:37:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 22:37:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-09-08 22:37:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-09-08 22:37:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-09-08 22:37:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-09-08 22:37:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-09-08 22:37:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 22:37:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 22:37:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 22:37:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 22:37:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 22:37:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 22:37:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 22:37:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-08 22:37:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-09-08 22:37:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 22:37:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 22:37:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 22:37:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-09-08 22:37:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-09-08 22:37:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-09-08 22:37:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-09-08 22:37:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-09-08 22:37:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-09-08 22:37:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-09-08 22:37:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-09-08 22:37:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-09-08 22:37:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-09-08 22:37:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-09-08 22:37:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-09-08 22:37:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-09-08 22:37:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-09-08 22:37:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-09-08 22:37:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-09-08 22:37:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-09-08 22:37:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-09-08 22:37:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-09-08 22:37:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-09-08 22:37:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-09-08 22:37:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-09-08 22:37:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-09-08 22:37:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-09-08 22:37:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-09-08 22:37:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-09-08 22:37:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-09-08 22:37:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-09-08 22:37:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-09-08 22:37:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-09-08 22:37:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-09-08 22:37:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-09-08 22:37:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-09-08 22:37:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-09-08 22:37:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-09-08 22:37:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-09-08 22:37:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-09-08 22:37:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-09-08 22:37:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-09-08 22:37:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-09-08 22:37:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-09-08 22:37:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-09-08 22:37:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-09-08 22:37:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-09-08 22:37:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-09-08 22:37:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-09-08 22:37:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-09-08 22:37:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-09-08 22:37:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:37:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-09-08 22:37:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-09-08 22:37:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-09-08 22:37:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-09-08 22:37:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:37:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-09-08 22:37:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:37:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-09-08 22:37:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-09-08 22:37:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-09-08 22:37:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-09-08 22:37:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-09-08 22:37:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-09-08 22:37:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-09-08 22:37:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-09-08 22:37:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-09-08 22:37:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-09-08 22:37:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-09-08 22:37:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-09-08 22:37:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-09-08 22:37:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-09-08 22:37:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-09-08 22:37:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-09-08 22:37:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_page_lock_of_ei_device [2019-09-08 22:37:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_page_lock_of_ei_device [2019-09-08 22:37:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_page_lock_of_ei_device [2019-09-08 22:37:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_page_lock_of_ei_device [2019-09-08 22:37:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_page_lock_of_ei_device [2019-09-08 22:37:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_page_lock_of_ei_device [2019-09-08 22:37:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-09-08 22:37:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-09-08 22:37:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-09-08 22:37:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-09-08 22:37:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-09-08 22:37:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-09-08 22:37:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-09-08 22:37:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-09-08 22:37:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-09-08 22:37:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-09-08 22:37:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-09-08 22:37:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-09-08 22:37:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-09-08 22:37:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-09-08 22:37:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-09-08 22:37:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-09-08 22:37:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-09-08 22:37:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-09-08 22:37:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-09-08 22:37:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-09-08 22:37:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-09-08 22:37:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-09-08 22:37:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-09-08 22:37:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-09-08 22:37:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-09-08 22:37:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 22:37:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 22:37:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 22:37:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-08 22:37:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 22:37:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 22:37:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 22:37:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 22:37:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 22:37:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 22:37:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 22:37:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 22:37:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 22:37:51,532 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 22:38:02,737 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-09-08 22:38:03,622 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 22:38:03,622 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-08 22:38:03,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 10:38:03 BoogieIcfgContainer [2019-09-08 22:38:03,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 22:38:03,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 22:38:03,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 22:38:03,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 22:38:03,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 10:37:43" (1/3) ... [2019-09-08 22:38:03,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ee88be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 10:38:03, skipping insertion in model container [2019-09-08 22:38:03,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:37:48" (2/3) ... [2019-09-08 22:38:03,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ee88be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 10:38:03, skipping insertion in model container [2019-09-08 22:38:03,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 10:38:03" (3/3) ... [2019-09-08 22:38:03,640 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2019-09-08 22:38:03,655 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 22:38:03,680 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-09-08 22:38:03,706 INFO L252 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-09-08 22:38:03,793 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 22:38:03,795 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 22:38:03,795 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 22:38:03,795 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 22:38:03,795 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 22:38:03,796 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 22:38:03,797 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 22:38:03,797 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 22:38:03,797 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 22:38:03,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states. [2019-09-08 22:38:03,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-09-08 22:38:03,917 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:03,919 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:38:03,922 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 22:38:03,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:03,930 INFO L82 PathProgramCache]: Analyzing trace with hash 643688135, now seen corresponding path program 1 times [2019-09-08 22:38:03,932 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:03,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:04,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:04,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:04,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:05,056 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2019-09-08 22:38:05,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:05,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:38:05,063 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:38:05,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:38:05,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:38:05,081 INFO L87 Difference]: Start difference. First operand 2274 states. Second operand 3 states. [2019-09-08 22:38:07,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:07,915 INFO L93 Difference]: Finished difference Result 5034 states and 6756 transitions. [2019-09-08 22:38:07,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:38:07,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2019-09-08 22:38:07,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:07,982 INFO L225 Difference]: With dead ends: 5034 [2019-09-08 22:38:07,982 INFO L226 Difference]: Without dead ends: 3314 [2019-09-08 22:38:08,003 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 22:38:08,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3314 states. [2019-09-08 22:38:08,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3314 to 3310. [2019-09-08 22:38:08,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3310 states. [2019-09-08 22:38:08,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 3310 states and 4331 transitions. [2019-09-08 22:38:08,319 INFO L78 Accepts]: Start accepts. Automaton has 3310 states and 4331 transitions. Word has length 113 [2019-09-08 22:38:08,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:08,320 INFO L475 AbstractCegarLoop]: Abstraction has 3310 states and 4331 transitions. [2019-09-08 22:38:08,320 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:38:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand 3310 states and 4331 transitions. [2019-09-08 22:38:08,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-09-08 22:38:08,325 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:08,325 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:38:08,326 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 22:38:08,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:08,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1375964184, now seen corresponding path program 1 times [2019-09-08 22:38:08,326 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:08,326 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:08,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:08,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:08,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:08,713 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2019-09-08 22:38:08,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:08,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:38:08,715 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:38:08,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:38:08,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:38:08,716 INFO L87 Difference]: Start difference. First operand 3310 states and 4331 transitions. Second operand 3 states. [2019-09-08 22:38:11,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:11,513 INFO L93 Difference]: Finished difference Result 9206 states and 12071 transitions. [2019-09-08 22:38:11,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:38:11,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2019-09-08 22:38:11,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:11,591 INFO L225 Difference]: With dead ends: 9206 [2019-09-08 22:38:11,592 INFO L226 Difference]: Without dead ends: 5933 [2019-09-08 22:38:11,615 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 22:38:11,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5933 states. [2019-09-08 22:38:11,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5933 to 5886. [2019-09-08 22:38:11,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5886 states. [2019-09-08 22:38:12,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5886 states to 5886 states and 7710 transitions. [2019-09-08 22:38:12,043 INFO L78 Accepts]: Start accepts. Automaton has 5886 states and 7710 transitions. Word has length 125 [2019-09-08 22:38:12,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:12,044 INFO L475 AbstractCegarLoop]: Abstraction has 5886 states and 7710 transitions. [2019-09-08 22:38:12,044 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:38:12,044 INFO L276 IsEmpty]: Start isEmpty. Operand 5886 states and 7710 transitions. [2019-09-08 22:38:12,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-09-08 22:38:12,056 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:12,056 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 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] [2019-09-08 22:38:12,057 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 22:38:12,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:12,057 INFO L82 PathProgramCache]: Analyzing trace with hash 118432813, now seen corresponding path program 1 times [2019-09-08 22:38:12,057 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:12,058 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:12,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:12,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:12,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:13,503 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2019-09-08 22:38:13,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:13,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:38:13,505 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:38:13,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:38:13,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:38:13,506 INFO L87 Difference]: Start difference. First operand 5886 states and 7710 transitions. Second operand 3 states. [2019-09-08 22:38:16,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:16,393 INFO L93 Difference]: Finished difference Result 16156 states and 21176 transitions. [2019-09-08 22:38:16,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:38:16,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-09-08 22:38:16,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:16,487 INFO L225 Difference]: With dead ends: 16156 [2019-09-08 22:38:16,487 INFO L226 Difference]: Without dead ends: 10307 [2019-09-08 22:38:16,519 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 22:38:16,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10307 states. [2019-09-08 22:38:17,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10307 to 10250. [2019-09-08 22:38:17,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10250 states. [2019-09-08 22:38:17,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10250 states to 10250 states and 13410 transitions. [2019-09-08 22:38:17,203 INFO L78 Accepts]: Start accepts. Automaton has 10250 states and 13410 transitions. Word has length 132 [2019-09-08 22:38:17,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:17,204 INFO L475 AbstractCegarLoop]: Abstraction has 10250 states and 13410 transitions. [2019-09-08 22:38:17,205 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:38:17,205 INFO L276 IsEmpty]: Start isEmpty. Operand 10250 states and 13410 transitions. [2019-09-08 22:38:17,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-09-08 22:38:17,208 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:17,209 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:38:17,209 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 22:38:17,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:17,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1540064461, now seen corresponding path program 1 times [2019-09-08 22:38:17,210 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:17,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:17,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:17,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:17,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2019-09-08 22:38:17,600 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:17,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:38:17,600 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:38:17,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:38:17,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:38:17,601 INFO L87 Difference]: Start difference. First operand 10250 states and 13410 transitions. Second operand 3 states. [2019-09-08 22:38:20,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:20,737 INFO L93 Difference]: Finished difference Result 18195 states and 23875 transitions. [2019-09-08 22:38:20,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:38:20,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2019-09-08 22:38:20,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:20,814 INFO L225 Difference]: With dead ends: 18195 [2019-09-08 22:38:20,814 INFO L226 Difference]: Without dead ends: 7982 [2019-09-08 22:38:20,855 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 22:38:20,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7982 states. [2019-09-08 22:38:21,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7982 to 7891. [2019-09-08 22:38:21,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7891 states. [2019-09-08 22:38:21,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7891 states to 7891 states and 10305 transitions. [2019-09-08 22:38:21,267 INFO L78 Accepts]: Start accepts. Automaton has 7891 states and 10305 transitions. Word has length 166 [2019-09-08 22:38:21,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:21,269 INFO L475 AbstractCegarLoop]: Abstraction has 7891 states and 10305 transitions. [2019-09-08 22:38:21,269 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:38:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand 7891 states and 10305 transitions. [2019-09-08 22:38:21,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-09-08 22:38:21,276 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:21,276 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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] [2019-09-08 22:38:21,277 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 22:38:21,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:21,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1925403040, now seen corresponding path program 1 times [2019-09-08 22:38:21,278 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:21,278 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:21,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:21,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:21,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:21,614 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2019-09-08 22:38:21,614 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:21,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:38:21,615 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:38:21,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:38:21,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:38:21,616 INFO L87 Difference]: Start difference. First operand 7891 states and 10305 transitions. Second operand 3 states. [2019-09-08 22:38:24,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:24,636 INFO L93 Difference]: Finished difference Result 22650 states and 29686 transitions. [2019-09-08 22:38:24,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:38:24,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-09-08 22:38:24,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:24,752 INFO L225 Difference]: With dead ends: 22650 [2019-09-08 22:38:24,752 INFO L226 Difference]: Without dead ends: 14890 [2019-09-08 22:38:24,793 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 22:38:24,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14890 states. [2019-09-08 22:38:25,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14890 to 14886. [2019-09-08 22:38:25,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14886 states. [2019-09-08 22:38:25,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14886 states to 14886 states and 19481 transitions. [2019-09-08 22:38:25,759 INFO L78 Accepts]: Start accepts. Automaton has 14886 states and 19481 transitions. Word has length 194 [2019-09-08 22:38:25,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:25,762 INFO L475 AbstractCegarLoop]: Abstraction has 14886 states and 19481 transitions. [2019-09-08 22:38:25,762 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:38:25,763 INFO L276 IsEmpty]: Start isEmpty. Operand 14886 states and 19481 transitions. [2019-09-08 22:38:25,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-09-08 22:38:25,766 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:25,767 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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] [2019-09-08 22:38:25,768 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 22:38:25,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:25,768 INFO L82 PathProgramCache]: Analyzing trace with hash -2175006, now seen corresponding path program 1 times [2019-09-08 22:38:25,768 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:25,769 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:25,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:25,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:25,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:26,295 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2019-09-08 22:38:26,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:26,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:38:26,296 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:38:26,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:38:26,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:38:26,297 INFO L87 Difference]: Start difference. First operand 14886 states and 19481 transitions. Second operand 5 states. [2019-09-08 22:38:26,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:26,708 INFO L93 Difference]: Finished difference Result 14892 states and 19486 transitions. [2019-09-08 22:38:26,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:38:26,709 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 194 [2019-09-08 22:38:26,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:26,797 INFO L225 Difference]: With dead ends: 14892 [2019-09-08 22:38:26,798 INFO L226 Difference]: Without dead ends: 14890 [2019-09-08 22:38:26,809 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 22:38:26,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14890 states. [2019-09-08 22:38:27,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14890 to 14890. [2019-09-08 22:38:27,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14890 states. [2019-09-08 22:38:27,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14890 states to 14890 states and 19484 transitions. [2019-09-08 22:38:27,802 INFO L78 Accepts]: Start accepts. Automaton has 14890 states and 19484 transitions. Word has length 194 [2019-09-08 22:38:27,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:27,810 INFO L475 AbstractCegarLoop]: Abstraction has 14890 states and 19484 transitions. [2019-09-08 22:38:27,810 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:38:27,810 INFO L276 IsEmpty]: Start isEmpty. Operand 14890 states and 19484 transitions. [2019-09-08 22:38:27,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-09-08 22:38:27,815 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:27,815 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 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] [2019-09-08 22:38:27,816 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 22:38:27,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:27,816 INFO L82 PathProgramCache]: Analyzing trace with hash -49623549, now seen corresponding path program 1 times [2019-09-08 22:38:27,816 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:27,817 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:27,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:27,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:27,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:28,256 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2019-09-08 22:38:28,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:28,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:38:28,257 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:38:28,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:38:28,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:38:28,258 INFO L87 Difference]: Start difference. First operand 14890 states and 19484 transitions. Second operand 5 states. [2019-09-08 22:38:28,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:28,692 INFO L93 Difference]: Finished difference Result 14896 states and 19489 transitions. [2019-09-08 22:38:28,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:38:28,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 199 [2019-09-08 22:38:28,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:28,776 INFO L225 Difference]: With dead ends: 14896 [2019-09-08 22:38:28,776 INFO L226 Difference]: Without dead ends: 14894 [2019-09-08 22:38:28,785 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 22:38:28,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14894 states. [2019-09-08 22:38:29,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14894 to 14894. [2019-09-08 22:38:29,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14894 states. [2019-09-08 22:38:29,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14894 states to 14894 states and 19487 transitions. [2019-09-08 22:38:29,489 INFO L78 Accepts]: Start accepts. Automaton has 14894 states and 19487 transitions. Word has length 199 [2019-09-08 22:38:29,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:29,490 INFO L475 AbstractCegarLoop]: Abstraction has 14894 states and 19487 transitions. [2019-09-08 22:38:29,490 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:38:29,490 INFO L276 IsEmpty]: Start isEmpty. Operand 14894 states and 19487 transitions. [2019-09-08 22:38:29,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-09-08 22:38:29,494 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:29,495 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 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] [2019-09-08 22:38:29,495 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 22:38:29,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:29,495 INFO L82 PathProgramCache]: Analyzing trace with hash 706384962, now seen corresponding path program 1 times [2019-09-08 22:38:29,496 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:29,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:29,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:29,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:29,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-09-08 22:38:30,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:30,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:38:30,844 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:38:30,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:38:30,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:38:30,845 INFO L87 Difference]: Start difference. First operand 14894 states and 19487 transitions. Second operand 5 states. [2019-09-08 22:38:31,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:31,284 INFO L93 Difference]: Finished difference Result 14900 states and 19492 transitions. [2019-09-08 22:38:31,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:38:31,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 204 [2019-09-08 22:38:31,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:31,366 INFO L225 Difference]: With dead ends: 14900 [2019-09-08 22:38:31,367 INFO L226 Difference]: Without dead ends: 14898 [2019-09-08 22:38:31,376 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 22:38:31,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14898 states. [2019-09-08 22:38:32,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14898 to 14898. [2019-09-08 22:38:32,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14898 states. [2019-09-08 22:38:32,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14898 states to 14898 states and 19490 transitions. [2019-09-08 22:38:32,105 INFO L78 Accepts]: Start accepts. Automaton has 14898 states and 19490 transitions. Word has length 204 [2019-09-08 22:38:32,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:32,106 INFO L475 AbstractCegarLoop]: Abstraction has 14898 states and 19490 transitions. [2019-09-08 22:38:32,106 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:38:32,106 INFO L276 IsEmpty]: Start isEmpty. Operand 14898 states and 19490 transitions. [2019-09-08 22:38:32,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-09-08 22:38:32,110 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:32,111 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 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] [2019-09-08 22:38:32,111 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 22:38:32,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:32,111 INFO L82 PathProgramCache]: Analyzing trace with hash 429192483, now seen corresponding path program 1 times [2019-09-08 22:38:32,112 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:32,112 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:32,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:32,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:32,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:32,452 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2019-09-08 22:38:32,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:32,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:38:32,454 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:38:32,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:38:32,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:38:32,455 INFO L87 Difference]: Start difference. First operand 14898 states and 19490 transitions. Second operand 5 states. [2019-09-08 22:38:32,671 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-09-08 22:38:33,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:33,129 INFO L93 Difference]: Finished difference Result 14904 states and 19495 transitions. [2019-09-08 22:38:33,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:38:33,129 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 209 [2019-09-08 22:38:33,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:33,196 INFO L225 Difference]: With dead ends: 14904 [2019-09-08 22:38:33,196 INFO L226 Difference]: Without dead ends: 14902 [2019-09-08 22:38:33,205 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 22:38:33,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14902 states. [2019-09-08 22:38:33,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14902 to 14902. [2019-09-08 22:38:33,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14902 states. [2019-09-08 22:38:33,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14902 states to 14902 states and 19493 transitions. [2019-09-08 22:38:33,943 INFO L78 Accepts]: Start accepts. Automaton has 14902 states and 19493 transitions. Word has length 209 [2019-09-08 22:38:33,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:33,945 INFO L475 AbstractCegarLoop]: Abstraction has 14902 states and 19493 transitions. [2019-09-08 22:38:33,945 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:38:33,946 INFO L276 IsEmpty]: Start isEmpty. Operand 14902 states and 19493 transitions. [2019-09-08 22:38:33,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-09-08 22:38:33,952 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:33,953 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 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] [2019-09-08 22:38:33,953 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 22:38:33,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:33,954 INFO L82 PathProgramCache]: Analyzing trace with hash 396759202, now seen corresponding path program 1 times [2019-09-08 22:38:33,954 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:33,954 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:33,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:33,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:33,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:34,307 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2019-09-08 22:38:34,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:34,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:38:34,309 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:38:34,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:38:34,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:38:34,310 INFO L87 Difference]: Start difference. First operand 14902 states and 19493 transitions. Second operand 5 states. [2019-09-08 22:38:34,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:34,998 INFO L93 Difference]: Finished difference Result 14908 states and 19498 transitions. [2019-09-08 22:38:34,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:38:34,999 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 214 [2019-09-08 22:38:34,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:35,059 INFO L225 Difference]: With dead ends: 14908 [2019-09-08 22:38:35,059 INFO L226 Difference]: Without dead ends: 14906 [2019-09-08 22:38:35,064 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 22:38:35,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14906 states. [2019-09-08 22:38:35,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14906 to 14906. [2019-09-08 22:38:35,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14906 states. [2019-09-08 22:38:35,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14906 states to 14906 states and 19496 transitions. [2019-09-08 22:38:35,712 INFO L78 Accepts]: Start accepts. Automaton has 14906 states and 19496 transitions. Word has length 214 [2019-09-08 22:38:35,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:35,713 INFO L475 AbstractCegarLoop]: Abstraction has 14906 states and 19496 transitions. [2019-09-08 22:38:35,713 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:38:35,713 INFO L276 IsEmpty]: Start isEmpty. Operand 14906 states and 19496 transitions. [2019-09-08 22:38:35,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-09-08 22:38:35,718 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:35,719 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 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] [2019-09-08 22:38:35,719 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 22:38:35,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:35,720 INFO L82 PathProgramCache]: Analyzing trace with hash 669148227, now seen corresponding path program 1 times [2019-09-08 22:38:35,720 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:35,720 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:35,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:35,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:35,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:36,075 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2019-09-08 22:38:36,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:36,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:38:36,076 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:38:36,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:38:36,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:38:36,077 INFO L87 Difference]: Start difference. First operand 14906 states and 19496 transitions. Second operand 5 states. [2019-09-08 22:38:36,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:36,586 INFO L93 Difference]: Finished difference Result 14912 states and 19501 transitions. [2019-09-08 22:38:36,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:38:36,586 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 219 [2019-09-08 22:38:36,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:36,654 INFO L225 Difference]: With dead ends: 14912 [2019-09-08 22:38:36,654 INFO L226 Difference]: Without dead ends: 14910 [2019-09-08 22:38:36,667 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 22:38:36,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14910 states. [2019-09-08 22:38:37,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14910 to 14910. [2019-09-08 22:38:37,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14910 states. [2019-09-08 22:38:37,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14910 states to 14910 states and 19499 transitions. [2019-09-08 22:38:37,499 INFO L78 Accepts]: Start accepts. Automaton has 14910 states and 19499 transitions. Word has length 219 [2019-09-08 22:38:37,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:37,499 INFO L475 AbstractCegarLoop]: Abstraction has 14910 states and 19499 transitions. [2019-09-08 22:38:37,500 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:38:37,500 INFO L276 IsEmpty]: Start isEmpty. Operand 14910 states and 19499 transitions. [2019-09-08 22:38:37,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-09-08 22:38:37,506 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:37,507 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 6, 6, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:38:37,507 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 22:38:37,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:37,507 INFO L82 PathProgramCache]: Analyzing trace with hash -864358167, now seen corresponding path program 1 times [2019-09-08 22:38:37,507 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:37,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:37,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:37,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:37,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:37,840 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2019-09-08 22:38:37,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:37,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:38:37,842 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:38:37,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:38:37,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:38:37,842 INFO L87 Difference]: Start difference. First operand 14910 states and 19499 transitions. Second operand 3 states. [2019-09-08 22:38:41,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:41,008 INFO L93 Difference]: Finished difference Result 36738 states and 48132 transitions. [2019-09-08 22:38:41,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:38:41,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 251 [2019-09-08 22:38:41,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:41,117 INFO L225 Difference]: With dead ends: 36738 [2019-09-08 22:38:41,117 INFO L226 Difference]: Without dead ends: 21959 [2019-09-08 22:38:41,162 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 22:38:41,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21959 states. [2019-09-08 22:38:42,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21959 to 21913. [2019-09-08 22:38:42,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21913 states. [2019-09-08 22:38:42,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21913 states to 21913 states and 28669 transitions. [2019-09-08 22:38:42,278 INFO L78 Accepts]: Start accepts. Automaton has 21913 states and 28669 transitions. Word has length 251 [2019-09-08 22:38:42,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:42,279 INFO L475 AbstractCegarLoop]: Abstraction has 21913 states and 28669 transitions. [2019-09-08 22:38:42,279 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:38:42,279 INFO L276 IsEmpty]: Start isEmpty. Operand 21913 states and 28669 transitions. [2019-09-08 22:38:42,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-09-08 22:38:42,287 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:42,287 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 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] [2019-09-08 22:38:42,288 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 22:38:42,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:42,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1841609470, now seen corresponding path program 1 times [2019-09-08 22:38:42,288 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:42,288 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:42,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:42,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:42,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:42,580 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2019-09-08 22:38:42,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:42,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:38:42,581 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:38:42,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:38:42,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:38:42,582 INFO L87 Difference]: Start difference. First operand 21913 states and 28669 transitions. Second operand 5 states. [2019-09-08 22:38:43,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:43,116 INFO L93 Difference]: Finished difference Result 21919 states and 28674 transitions. [2019-09-08 22:38:43,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:38:43,116 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 224 [2019-09-08 22:38:43,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:43,223 INFO L225 Difference]: With dead ends: 21919 [2019-09-08 22:38:43,223 INFO L226 Difference]: Without dead ends: 21917 [2019-09-08 22:38:43,235 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 22:38:43,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21917 states. [2019-09-08 22:38:44,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21917 to 21917. [2019-09-08 22:38:44,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21917 states. [2019-09-08 22:38:44,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21917 states to 21917 states and 28672 transitions. [2019-09-08 22:38:44,316 INFO L78 Accepts]: Start accepts. Automaton has 21917 states and 28672 transitions. Word has length 224 [2019-09-08 22:38:44,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:44,317 INFO L475 AbstractCegarLoop]: Abstraction has 21917 states and 28672 transitions. [2019-09-08 22:38:44,317 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:38:44,317 INFO L276 IsEmpty]: Start isEmpty. Operand 21917 states and 28672 transitions. [2019-09-08 22:38:44,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-09-08 22:38:44,323 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:44,323 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 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] [2019-09-08 22:38:44,324 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 22:38:44,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:44,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1652104035, now seen corresponding path program 1 times [2019-09-08 22:38:44,324 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:44,324 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:44,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:44,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:44,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:44,661 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2019-09-08 22:38:44,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:44,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:38:44,662 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:38:44,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:38:44,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:38:44,663 INFO L87 Difference]: Start difference. First operand 21917 states and 28672 transitions. Second operand 5 states. [2019-09-08 22:38:45,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:45,291 INFO L93 Difference]: Finished difference Result 21923 states and 28677 transitions. [2019-09-08 22:38:45,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:38:45,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 229 [2019-09-08 22:38:45,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:45,388 INFO L225 Difference]: With dead ends: 21923 [2019-09-08 22:38:45,388 INFO L226 Difference]: Without dead ends: 21921 [2019-09-08 22:38:45,400 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 22:38:45,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21921 states. [2019-09-08 22:38:46,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21921 to 21921. [2019-09-08 22:38:46,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21921 states. [2019-09-08 22:38:46,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21921 states to 21921 states and 28675 transitions. [2019-09-08 22:38:46,573 INFO L78 Accepts]: Start accepts. Automaton has 21921 states and 28675 transitions. Word has length 229 [2019-09-08 22:38:46,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:46,574 INFO L475 AbstractCegarLoop]: Abstraction has 21921 states and 28675 transitions. [2019-09-08 22:38:46,574 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:38:46,574 INFO L276 IsEmpty]: Start isEmpty. Operand 21921 states and 28675 transitions. [2019-09-08 22:38:46,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-09-08 22:38:46,578 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:46,578 INFO L399 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 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] [2019-09-08 22:38:46,578 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 22:38:46,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:46,579 INFO L82 PathProgramCache]: Analyzing trace with hash 51655010, now seen corresponding path program 1 times [2019-09-08 22:38:46,579 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:46,579 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:46,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:46,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:46,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:46,923 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2019-09-08 22:38:46,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:46,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:38:46,924 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:38:46,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:38:46,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:38:46,925 INFO L87 Difference]: Start difference. First operand 21921 states and 28675 transitions. Second operand 5 states. [2019-09-08 22:38:47,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:47,652 INFO L93 Difference]: Finished difference Result 25447 states and 33047 transitions. [2019-09-08 22:38:47,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:38:47,652 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 234 [2019-09-08 22:38:47,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:47,743 INFO L225 Difference]: With dead ends: 25447 [2019-09-08 22:38:47,743 INFO L226 Difference]: Without dead ends: 25445 [2019-09-08 22:38:47,757 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 22:38:47,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25445 states. [2019-09-08 22:38:49,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25445 to 25420. [2019-09-08 22:38:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25420 states. [2019-09-08 22:38:49,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25420 states to 25420 states and 33022 transitions. [2019-09-08 22:38:49,808 INFO L78 Accepts]: Start accepts. Automaton has 25420 states and 33022 transitions. Word has length 234 [2019-09-08 22:38:49,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:49,809 INFO L475 AbstractCegarLoop]: Abstraction has 25420 states and 33022 transitions. [2019-09-08 22:38:49,809 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:38:49,809 INFO L276 IsEmpty]: Start isEmpty. Operand 25420 states and 33022 transitions. [2019-09-08 22:38:49,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-09-08 22:38:49,816 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:49,816 INFO L399 BasicCegarLoop]: trace histogram [10, 9, 9, 8, 8, 8, 8, 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] [2019-09-08 22:38:49,817 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 22:38:49,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:49,818 INFO L82 PathProgramCache]: Analyzing trace with hash 341777027, now seen corresponding path program 1 times [2019-09-08 22:38:49,818 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:49,818 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:49,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:49,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:49,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:50,147 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2019-09-08 22:38:50,150 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:50,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:38:50,151 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:38:50,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:38:50,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:38:50,151 INFO L87 Difference]: Start difference. First operand 25420 states and 33022 transitions. Second operand 5 states. [2019-09-08 22:38:50,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:50,862 INFO L93 Difference]: Finished difference Result 25426 states and 33027 transitions. [2019-09-08 22:38:50,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:38:50,862 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 239 [2019-09-08 22:38:50,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:50,954 INFO L225 Difference]: With dead ends: 25426 [2019-09-08 22:38:50,954 INFO L226 Difference]: Without dead ends: 25424 [2019-09-08 22:38:50,967 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 22:38:50,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25424 states. [2019-09-08 22:38:52,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25424 to 25424. [2019-09-08 22:38:52,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25424 states. [2019-09-08 22:38:52,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25424 states to 25424 states and 33025 transitions. [2019-09-08 22:38:52,193 INFO L78 Accepts]: Start accepts. Automaton has 25424 states and 33025 transitions. Word has length 239 [2019-09-08 22:38:52,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:52,194 INFO L475 AbstractCegarLoop]: Abstraction has 25424 states and 33025 transitions. [2019-09-08 22:38:52,194 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:38:52,194 INFO L276 IsEmpty]: Start isEmpty. Operand 25424 states and 33025 transitions. [2019-09-08 22:38:52,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-09-08 22:38:52,200 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:52,201 INFO L399 BasicCegarLoop]: trace histogram [11, 10, 10, 8, 8, 8, 8, 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] [2019-09-08 22:38:52,201 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 22:38:52,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:52,201 INFO L82 PathProgramCache]: Analyzing trace with hash 317380034, now seen corresponding path program 1 times [2019-09-08 22:38:52,201 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:52,202 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:52,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:52,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:52,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:52,535 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2019-09-08 22:38:52,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:52,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:38:52,537 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:38:52,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:38:52,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:38:52,537 INFO L87 Difference]: Start difference. First operand 25424 states and 33025 transitions. Second operand 5 states. [2019-09-08 22:38:53,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:53,234 INFO L93 Difference]: Finished difference Result 25430 states and 33030 transitions. [2019-09-08 22:38:53,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:38:53,235 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 244 [2019-09-08 22:38:53,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:53,334 INFO L225 Difference]: With dead ends: 25430 [2019-09-08 22:38:53,335 INFO L226 Difference]: Without dead ends: 25426 [2019-09-08 22:38:53,348 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 22:38:53,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25426 states. [2019-09-08 22:38:54,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25426 to 25426. [2019-09-08 22:38:54,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25426 states. [2019-09-08 22:38:54,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25426 states to 25426 states and 33026 transitions. [2019-09-08 22:38:54,271 INFO L78 Accepts]: Start accepts. Automaton has 25426 states and 33026 transitions. Word has length 244 [2019-09-08 22:38:54,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:54,272 INFO L475 AbstractCegarLoop]: Abstraction has 25426 states and 33026 transitions. [2019-09-08 22:38:54,272 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:38:54,272 INFO L276 IsEmpty]: Start isEmpty. Operand 25426 states and 33026 transitions. [2019-09-08 22:38:54,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-09-08 22:38:54,278 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:54,278 INFO L399 BasicCegarLoop]: trace histogram [12, 11, 11, 8, 8, 8, 8, 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 22:38:54,279 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 22:38:54,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:54,279 INFO L82 PathProgramCache]: Analyzing trace with hash -115711581, now seen corresponding path program 1 times [2019-09-08 22:38:54,279 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:54,280 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:54,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:54,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:54,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:54,932 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2019-09-08 22:38:54,932 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:54,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:38:54,935 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:38:54,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:38:54,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:38:54,936 INFO L87 Difference]: Start difference. First operand 25426 states and 33026 transitions. Second operand 5 states. [2019-09-08 22:38:55,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:55,681 INFO L93 Difference]: Finished difference Result 25426 states and 33026 transitions. [2019-09-08 22:38:55,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:38:55,681 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 249 [2019-09-08 22:38:55,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:55,769 INFO L225 Difference]: With dead ends: 25426 [2019-09-08 22:38:55,769 INFO L226 Difference]: Without dead ends: 25129 [2019-09-08 22:38:55,783 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 22:38:55,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25129 states. [2019-09-08 22:38:56,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25129 to 25129. [2019-09-08 22:38:56,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25129 states. [2019-09-08 22:38:56,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25129 states to 25129 states and 32628 transitions. [2019-09-08 22:38:56,693 INFO L78 Accepts]: Start accepts. Automaton has 25129 states and 32628 transitions. Word has length 249 [2019-09-08 22:38:56,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:56,693 INFO L475 AbstractCegarLoop]: Abstraction has 25129 states and 32628 transitions. [2019-09-08 22:38:56,693 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:38:56,694 INFO L276 IsEmpty]: Start isEmpty. Operand 25129 states and 32628 transitions. [2019-09-08 22:38:56,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-09-08 22:38:56,698 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:56,698 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:38:56,699 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 22:38:56,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:56,699 INFO L82 PathProgramCache]: Analyzing trace with hash 736539377, now seen corresponding path program 1 times [2019-09-08 22:38:56,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:56,699 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:56,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:56,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:56,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2019-09-08 22:38:56,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:56,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:38:56,994 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:38:56,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:38:56,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:38:56,994 INFO L87 Difference]: Start difference. First operand 25129 states and 32628 transitions. Second operand 3 states. [2019-09-08 22:39:00,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:39:00,534 INFO L93 Difference]: Finished difference Result 54957 states and 71469 transitions. [2019-09-08 22:39:00,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:39:00,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 261 [2019-09-08 22:39:00,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:39:00,625 INFO L225 Difference]: With dead ends: 54957 [2019-09-08 22:39:00,626 INFO L226 Difference]: Without dead ends: 29959 [2019-09-08 22:39:00,689 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 22:39:00,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29959 states. [2019-09-08 22:39:01,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29959 to 29753. [2019-09-08 22:39:01,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29753 states. [2019-09-08 22:39:01,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29753 states to 29753 states and 38513 transitions. [2019-09-08 22:39:01,734 INFO L78 Accepts]: Start accepts. Automaton has 29753 states and 38513 transitions. Word has length 261 [2019-09-08 22:39:01,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:39:01,735 INFO L475 AbstractCegarLoop]: Abstraction has 29753 states and 38513 transitions. [2019-09-08 22:39:01,735 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:39:01,735 INFO L276 IsEmpty]: Start isEmpty. Operand 29753 states and 38513 transitions. [2019-09-08 22:39:01,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-09-08 22:39:01,740 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:39:01,741 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:39:01,741 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 22:39:01,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:39:01,742 INFO L82 PathProgramCache]: Analyzing trace with hash -67699522, now seen corresponding path program 1 times [2019-09-08 22:39:01,742 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:39:01,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:39:01,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:39:01,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:39:01,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:39:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:39:02,101 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2019-09-08 22:39:02,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:39:02,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:39:02,102 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:39:02,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:39:02,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:39:02,102 INFO L87 Difference]: Start difference. First operand 29753 states and 38513 transitions. Second operand 3 states. [2019-09-08 22:39:05,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:39:05,766 INFO L93 Difference]: Finished difference Result 64049 states and 83034 transitions. [2019-09-08 22:39:05,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:39:05,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 314 [2019-09-08 22:39:05,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:39:05,936 INFO L225 Difference]: With dead ends: 64049 [2019-09-08 22:39:05,936 INFO L226 Difference]: Without dead ends: 34324 [2019-09-08 22:39:06,026 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 22:39:06,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34324 states. [2019-09-08 22:39:07,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34324 to 34118. [2019-09-08 22:39:07,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34118 states. [2019-09-08 22:39:09,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34118 states to 34118 states and 44114 transitions. [2019-09-08 22:39:09,374 INFO L78 Accepts]: Start accepts. Automaton has 34118 states and 44114 transitions. Word has length 314 [2019-09-08 22:39:09,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:39:09,375 INFO L475 AbstractCegarLoop]: Abstraction has 34118 states and 44114 transitions. [2019-09-08 22:39:09,375 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:39:09,375 INFO L276 IsEmpty]: Start isEmpty. Operand 34118 states and 44114 transitions. [2019-09-08 22:39:09,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-09-08 22:39:09,381 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:39:09,382 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:39:09,382 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 22:39:09,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:39:09,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1210201988, now seen corresponding path program 1 times [2019-09-08 22:39:09,383 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:39:09,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:39:09,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:39:09,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:39:09,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:39:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:39:09,735 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2019-09-08 22:39:09,735 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:39:09,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:39:09,737 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:39:09,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:39:09,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:39:09,737 INFO L87 Difference]: Start difference. First operand 34118 states and 44114 transitions. Second operand 3 states. [2019-09-08 22:39:13,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:39:13,514 INFO L93 Difference]: Finished difference Result 73244 states and 94811 transitions. [2019-09-08 22:39:13,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:39:13,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 314 [2019-09-08 22:39:13,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:39:13,636 INFO L225 Difference]: With dead ends: 73244 [2019-09-08 22:39:13,636 INFO L226 Difference]: Without dead ends: 39257 [2019-09-08 22:39:13,695 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 22:39:13,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39257 states. [2019-09-08 22:39:15,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39257 to 39003. [2019-09-08 22:39:15,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39003 states. [2019-09-08 22:39:15,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39003 states to 39003 states and 50313 transitions. [2019-09-08 22:39:15,355 INFO L78 Accepts]: Start accepts. Automaton has 39003 states and 50313 transitions. Word has length 314 [2019-09-08 22:39:15,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:39:15,356 INFO L475 AbstractCegarLoop]: Abstraction has 39003 states and 50313 transitions. [2019-09-08 22:39:15,356 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:39:15,356 INFO L276 IsEmpty]: Start isEmpty. Operand 39003 states and 50313 transitions. [2019-09-08 22:39:15,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2019-09-08 22:39:15,362 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:39:15,363 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 8, 8, 8, 8, 4, 4, 4, 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] [2019-09-08 22:39:15,363 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 22:39:15,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:39:15,363 INFO L82 PathProgramCache]: Analyzing trace with hash 627449859, now seen corresponding path program 1 times [2019-09-08 22:39:15,363 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:39:15,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:39:15,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:39:15,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:39:15,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:39:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:39:15,795 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2019-09-08 22:39:15,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:39:15,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:39:15,797 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:39:15,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:39:15,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:39:15,797 INFO L87 Difference]: Start difference. First operand 39003 states and 50313 transitions. Second operand 3 states. [2019-09-08 22:39:20,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:39:20,019 INFO L93 Difference]: Finished difference Result 82558 states and 106721 transitions. [2019-09-08 22:39:20,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:39:20,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 410 [2019-09-08 22:39:20,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:39:20,145 INFO L225 Difference]: With dead ends: 82558 [2019-09-08 22:39:20,145 INFO L226 Difference]: Without dead ends: 43689 [2019-09-08 22:39:20,206 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 22:39:20,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43689 states. [2019-09-08 22:39:21,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43689 to 43483. [2019-09-08 22:39:21,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43483 states. [2019-09-08 22:39:21,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43483 states to 43483 states and 56095 transitions. [2019-09-08 22:39:21,712 INFO L78 Accepts]: Start accepts. Automaton has 43483 states and 56095 transitions. Word has length 410 [2019-09-08 22:39:21,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:39:21,713 INFO L475 AbstractCegarLoop]: Abstraction has 43483 states and 56095 transitions. [2019-09-08 22:39:21,713 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:39:21,713 INFO L276 IsEmpty]: Start isEmpty. Operand 43483 states and 56095 transitions. [2019-09-08 22:39:21,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2019-09-08 22:39:21,724 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:39:21,724 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 8, 8, 8, 8, 4, 4, 4, 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] [2019-09-08 22:39:21,725 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 22:39:21,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:39:21,725 INFO L82 PathProgramCache]: Analyzing trace with hash -515052607, now seen corresponding path program 1 times [2019-09-08 22:39:21,725 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:39:21,726 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:39:21,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:39:21,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:39:21,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:39:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:39:22,152 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2019-09-08 22:39:22,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:39:22,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:39:22,153 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:39:22,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:39:22,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:39:22,154 INFO L87 Difference]: Start difference. First operand 43483 states and 56095 transitions. Second operand 3 states. [2019-09-08 22:39:26,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:39:26,390 INFO L93 Difference]: Finished difference Result 91662 states and 118439 transitions. [2019-09-08 22:39:26,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:39:26,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 410 [2019-09-08 22:39:26,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:39:26,552 INFO L225 Difference]: With dead ends: 91662 [2019-09-08 22:39:26,553 INFO L226 Difference]: Without dead ends: 48313 [2019-09-08 22:39:26,633 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 22:39:26,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48313 states. [2019-09-08 22:39:30,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48313 to 48107. [2019-09-08 22:39:30,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48107 states. [2019-09-08 22:39:30,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48107 states to 48107 states and 61992 transitions. [2019-09-08 22:39:30,471 INFO L78 Accepts]: Start accepts. Automaton has 48107 states and 61992 transitions. Word has length 410 [2019-09-08 22:39:30,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:39:30,472 INFO L475 AbstractCegarLoop]: Abstraction has 48107 states and 61992 transitions. [2019-09-08 22:39:30,472 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:39:30,472 INFO L276 IsEmpty]: Start isEmpty. Operand 48107 states and 61992 transitions. [2019-09-08 22:39:30,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2019-09-08 22:39:30,480 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:39:30,481 INFO L399 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 9, 9, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:39:30,481 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 22:39:30,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:39:30,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1057517664, now seen corresponding path program 1 times [2019-09-08 22:39:30,482 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:39:30,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:39:30,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:39:30,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:39:30,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:39:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:39:31,018 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 719 trivial. 0 not checked. [2019-09-08 22:39:31,018 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:39:31,018 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 22:39:31,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:39:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:39:32,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 7030 conjuncts, 23 conjunts are in the unsatisfiable core [2019-09-08 22:39:32,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:39:33,101 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 303 proven. 12 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-09-08 22:39:33,121 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 22:39:33,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 18] total 22 [2019-09-08 22:39:33,123 INFO L454 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-09-08 22:39:33,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-09-08 22:39:33,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2019-09-08 22:39:33,124 INFO L87 Difference]: Start difference. First operand 48107 states and 61992 transitions. Second operand 22 states. [2019-09-08 22:41:51,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:41:51,404 INFO L93 Difference]: Finished difference Result 150920 states and 195417 transitions. [2019-09-08 22:41:51,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2019-09-08 22:41:51,404 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 451 [2019-09-08 22:41:51,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:41:52,231 INFO L225 Difference]: With dead ends: 150920 [2019-09-08 22:41:52,232 INFO L226 Difference]: Without dead ends: 102588 [2019-09-08 22:41:52,463 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1708 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=790, Invalid=5372, Unknown=0, NotChecked=0, Total=6162 [2019-09-08 22:41:52,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102588 states. [2019-09-08 22:41:59,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102588 to 98216. [2019-09-08 22:41:59,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98216 states. [2019-09-08 22:42:00,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98216 states to 98216 states and 126471 transitions. [2019-09-08 22:42:00,091 INFO L78 Accepts]: Start accepts. Automaton has 98216 states and 126471 transitions. Word has length 451 [2019-09-08 22:42:00,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:42:00,092 INFO L475 AbstractCegarLoop]: Abstraction has 98216 states and 126471 transitions. [2019-09-08 22:42:00,093 INFO L476 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-09-08 22:42:00,093 INFO L276 IsEmpty]: Start isEmpty. Operand 98216 states and 126471 transitions. [2019-09-08 22:42:00,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2019-09-08 22:42:00,193 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:42:00,193 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 11, 11, 10, 10, 8, 8, 8, 8, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:00,194 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 22:42:00,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:42:00,195 INFO L82 PathProgramCache]: Analyzing trace with hash -835534658, now seen corresponding path program 1 times [2019-09-08 22:42:00,195 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:42:00,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:42:00,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:42:00,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:42:00,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:42:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:42:00,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1061 trivial. 0 not checked. [2019-09-08 22:42:00,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:42:00,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:42:00,885 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:42:00,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:42:00,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:42:00,886 INFO L87 Difference]: Start difference. First operand 98216 states and 126471 transitions. Second operand 5 states. [2019-09-08 22:42:07,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:42:07,319 INFO L93 Difference]: Finished difference Result 191594 states and 246542 transitions. [2019-09-08 22:42:07,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 22:42:07,320 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 642 [2019-09-08 22:42:07,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:42:07,760 INFO L225 Difference]: With dead ends: 191594 [2019-09-08 22:42:07,760 INFO L226 Difference]: Without dead ends: 93512 [2019-09-08 22:42:07,996 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:42:08,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93512 states. [2019-09-08 22:42:16,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93512 to 93197. [2019-09-08 22:42:16,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93197 states. [2019-09-08 22:42:16,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93197 states to 93197 states and 119082 transitions. [2019-09-08 22:42:16,299 INFO L78 Accepts]: Start accepts. Automaton has 93197 states and 119082 transitions. Word has length 642 [2019-09-08 22:42:16,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:42:16,299 INFO L475 AbstractCegarLoop]: Abstraction has 93197 states and 119082 transitions. [2019-09-08 22:42:16,299 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:42:16,299 INFO L276 IsEmpty]: Start isEmpty. Operand 93197 states and 119082 transitions. [2019-09-08 22:42:16,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1249 [2019-09-08 22:42:16,362 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:42:16,362 INFO L399 BasicCegarLoop]: trace histogram [27, 27, 27, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:16,363 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 22:42:16,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:42:16,363 INFO L82 PathProgramCache]: Analyzing trace with hash -896758720, now seen corresponding path program 1 times [2019-09-08 22:42:16,364 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:42:16,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:42:16,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:42:16,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:42:16,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:42:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:42:18,435 INFO L134 CoverageAnalysis]: Checked inductivity of 6127 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6127 trivial. 0 not checked. [2019-09-08 22:42:18,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:42:18,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:42:18,437 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:42:18,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:42:18,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:42:18,437 INFO L87 Difference]: Start difference. First operand 93197 states and 119082 transitions. Second operand 3 states. [2019-09-08 22:42:24,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:42:24,669 INFO L93 Difference]: Finished difference Result 186452 states and 240463 transitions. [2019-09-08 22:42:24,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:42:24,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1248 [2019-09-08 22:42:24,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:42:25,049 INFO L225 Difference]: With dead ends: 186452 [2019-09-08 22:42:25,050 INFO L226 Difference]: Without dead ends: 93389 [2019-09-08 22:42:25,188 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 22:42:25,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93389 states. [2019-09-08 22:42:28,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93389 to 93221. [2019-09-08 22:42:28,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93221 states. [2019-09-08 22:42:29,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93221 states to 93221 states and 119106 transitions. [2019-09-08 22:42:29,079 INFO L78 Accepts]: Start accepts. Automaton has 93221 states and 119106 transitions. Word has length 1248 [2019-09-08 22:42:29,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:42:29,080 INFO L475 AbstractCegarLoop]: Abstraction has 93221 states and 119106 transitions. [2019-09-08 22:42:29,080 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:42:29,080 INFO L276 IsEmpty]: Start isEmpty. Operand 93221 states and 119106 transitions. [2019-09-08 22:42:29,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2019-09-08 22:42:29,108 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:42:29,109 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 11, 11, 10, 10, 8, 8, 8, 8, 4, 4, 4, 4, 4, 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, 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] [2019-09-08 22:42:29,109 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 22:42:29,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:42:29,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1272283580, now seen corresponding path program 1 times [2019-09-08 22:42:29,110 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:42:29,110 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:42:29,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:42:29,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:42:29,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:42:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:42:30,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1310 trivial. 0 not checked. [2019-09-08 22:42:30,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:42:30,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:42:30,560 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:42:30,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:42:30,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:42:30,561 INFO L87 Difference]: Start difference. First operand 93221 states and 119106 transitions. Second operand 3 states. [2019-09-08 22:42:36,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:42:36,802 INFO L93 Difference]: Finished difference Result 186488 states and 239805 transitions. [2019-09-08 22:42:36,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:42:36,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 761 [2019-09-08 22:42:36,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:42:37,517 INFO L225 Difference]: With dead ends: 186488 [2019-09-08 22:42:37,517 INFO L226 Difference]: Without dead ends: 93401 [2019-09-08 22:42:37,664 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:42:37,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93401 states. [2019-09-08 22:42:41,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93401 to 93329. [2019-09-08 22:42:41,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93329 states. [2019-09-08 22:42:41,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93329 states to 93329 states and 119268 transitions. [2019-09-08 22:42:41,649 INFO L78 Accepts]: Start accepts. Automaton has 93329 states and 119268 transitions. Word has length 761 [2019-09-08 22:42:41,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:42:41,650 INFO L475 AbstractCegarLoop]: Abstraction has 93329 states and 119268 transitions. [2019-09-08 22:42:41,650 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:42:41,650 INFO L276 IsEmpty]: Start isEmpty. Operand 93329 states and 119268 transitions. [2019-09-08 22:42:41,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 810 [2019-09-08 22:42:41,684 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:42:41,685 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 11, 11, 10, 10, 8, 8, 8, 8, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:41,685 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 22:42:41,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:42:41,686 INFO L82 PathProgramCache]: Analyzing trace with hash 440812784, now seen corresponding path program 1 times [2019-09-08 22:42:41,686 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:42:41,686 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:42:41,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:42:41,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:42:41,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:42:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:42:43,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1459 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1444 trivial. 0 not checked. [2019-09-08 22:42:43,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:42:43,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:42:43,130 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:42:43,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:42:43,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:42:43,131 INFO L87 Difference]: Start difference. First operand 93329 states and 119268 transitions. Second operand 3 states. [2019-09-08 22:42:52,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:42:52,226 INFO L93 Difference]: Finished difference Result 186608 states and 239087 transitions. [2019-09-08 22:42:52,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:42:52,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 809 [2019-09-08 22:42:52,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:42:52,499 INFO L225 Difference]: With dead ends: 186608 [2019-09-08 22:42:52,499 INFO L226 Difference]: Without dead ends: 93413 [2019-09-08 22:42:52,626 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 22:42:52,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93413 states. [2019-09-08 22:42:56,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93413 to 93353. [2019-09-08 22:42:56,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93353 states. [2019-09-08 22:42:56,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93353 states to 93353 states and 119292 transitions. [2019-09-08 22:42:56,754 INFO L78 Accepts]: Start accepts. Automaton has 93353 states and 119292 transitions. Word has length 809 [2019-09-08 22:42:56,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:42:56,754 INFO L475 AbstractCegarLoop]: Abstraction has 93353 states and 119292 transitions. [2019-09-08 22:42:56,754 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:42:56,755 INFO L276 IsEmpty]: Start isEmpty. Operand 93353 states and 119292 transitions. [2019-09-08 22:42:56,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1399 [2019-09-08 22:42:56,789 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:42:56,789 INFO L399 BasicCegarLoop]: trace histogram [30, 30, 30, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 9, 9, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:56,790 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 22:42:56,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:42:56,791 INFO L82 PathProgramCache]: Analyzing trace with hash 24238925, now seen corresponding path program 1 times [2019-09-08 22:42:56,791 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:42:56,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:42:56,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:42:56,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:42:56,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:42:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:42:58,443 INFO L134 CoverageAnalysis]: Checked inductivity of 7690 backedges. 96 proven. 2 refuted. 0 times theorem prover too weak. 7592 trivial. 0 not checked. [2019-09-08 22:42:58,443 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:42:58,443 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 22:42:58,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:43:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:43:00,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 11967 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 22:43:00,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:43:02,152 INFO L134 CoverageAnalysis]: Checked inductivity of 7690 backedges. 1039 proven. 5 refuted. 0 times theorem prover too weak. 6646 trivial. 0 not checked. [2019-09-08 22:43:02,178 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 22:43:02,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-09-08 22:43:02,181 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 22:43:02,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 22:43:02,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-09-08 22:43:02,182 INFO L87 Difference]: Start difference. First operand 93353 states and 119292 transitions. Second operand 12 states. [2019-09-08 22:43:25,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:43:25,265 INFO L93 Difference]: Finished difference Result 195801 states and 249392 transitions. [2019-09-08 22:43:25,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-08 22:43:25,266 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1398 [2019-09-08 22:43:25,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:43:25,771 INFO L225 Difference]: With dead ends: 195801 [2019-09-08 22:43:25,771 INFO L226 Difference]: Without dead ends: 102582 [2019-09-08 22:43:26,048 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1421 GetRequests, 1401 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2019-09-08 22:43:26,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102582 states. [2019-09-08 22:43:36,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102582 to 101763. [2019-09-08 22:43:36,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101763 states. [2019-09-08 22:43:36,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101763 states to 101763 states and 128849 transitions. [2019-09-08 22:43:36,694 INFO L78 Accepts]: Start accepts. Automaton has 101763 states and 128849 transitions. Word has length 1398 [2019-09-08 22:43:36,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:43:36,695 INFO L475 AbstractCegarLoop]: Abstraction has 101763 states and 128849 transitions. [2019-09-08 22:43:36,695 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 22:43:36,695 INFO L276 IsEmpty]: Start isEmpty. Operand 101763 states and 128849 transitions. [2019-09-08 22:43:36,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1400 [2019-09-08 22:43:36,725 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:43:36,726 INFO L399 BasicCegarLoop]: trace histogram [30, 30, 30, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 9, 9, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:36,726 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 22:43:36,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:43:36,727 INFO L82 PathProgramCache]: Analyzing trace with hash 2079766987, now seen corresponding path program 1 times [2019-09-08 22:43:36,727 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:43:36,727 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:43:36,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:43:36,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:43:36,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:43:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:43:38,642 INFO L134 CoverageAnalysis]: Checked inductivity of 7690 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7641 trivial. 0 not checked. [2019-09-08 22:43:38,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:43:38,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:43:38,645 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:43:38,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:43:38,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:43:38,645 INFO L87 Difference]: Start difference. First operand 101763 states and 128849 transitions. Second operand 3 states. [2019-09-08 22:43:45,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:43:45,624 INFO L93 Difference]: Finished difference Result 208222 states and 263945 transitions. [2019-09-08 22:43:45,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:43:45,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1399 [2019-09-08 22:43:45,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:43:45,956 INFO L225 Difference]: With dead ends: 208222 [2019-09-08 22:43:45,956 INFO L226 Difference]: Without dead ends: 106593 [2019-09-08 22:43:46,112 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 22:43:46,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106593 states. [2019-09-08 22:43:56,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106593 to 106387. [2019-09-08 22:43:56,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106387 states. [2019-09-08 22:43:56,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106387 states to 106387 states and 134707 transitions. [2019-09-08 22:43:56,882 INFO L78 Accepts]: Start accepts. Automaton has 106387 states and 134707 transitions. Word has length 1399 [2019-09-08 22:43:56,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:43:56,883 INFO L475 AbstractCegarLoop]: Abstraction has 106387 states and 134707 transitions. [2019-09-08 22:43:56,883 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:43:56,883 INFO L276 IsEmpty]: Start isEmpty. Operand 106387 states and 134707 transitions. [2019-09-08 22:43:56,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1346 [2019-09-08 22:43:56,912 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:43:56,913 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:56,913 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 22:43:56,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:43:56,914 INFO L82 PathProgramCache]: Analyzing trace with hash -625833065, now seen corresponding path program 1 times [2019-09-08 22:43:56,914 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:43:56,914 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:43:56,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:43:56,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:43:56,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:43:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:43:58,198 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 7392 trivial. 0 not checked. [2019-09-08 22:43:58,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:43:58,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:43:58,200 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:43:58,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:43:58,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:43:58,201 INFO L87 Difference]: Start difference. First operand 106387 states and 134707 transitions. Second operand 5 states. [2019-09-08 22:44:04,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:44:04,945 INFO L93 Difference]: Finished difference Result 217470 states and 275685 transitions. [2019-09-08 22:44:04,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 22:44:04,946 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1345 [2019-09-08 22:44:04,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:44:05,279 INFO L225 Difference]: With dead ends: 217470 [2019-09-08 22:44:05,279 INFO L226 Difference]: Without dead ends: 111217 [2019-09-08 22:44:05,422 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:44:05,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111217 states. [2019-09-08 22:44:14,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111217 to 110891. [2019-09-08 22:44:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110891 states. [2019-09-08 22:44:14,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110891 states to 110891 states and 140457 transitions. [2019-09-08 22:44:14,864 INFO L78 Accepts]: Start accepts. Automaton has 110891 states and 140457 transitions. Word has length 1345 [2019-09-08 22:44:14,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:44:14,864 INFO L475 AbstractCegarLoop]: Abstraction has 110891 states and 140457 transitions. [2019-09-08 22:44:14,864 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:44:14,865 INFO L276 IsEmpty]: Start isEmpty. Operand 110891 states and 140457 transitions. [2019-09-08 22:44:14,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1400 [2019-09-08 22:44:14,895 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:44:14,896 INFO L399 BasicCegarLoop]: trace histogram [30, 30, 30, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 9, 9, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:44:14,897 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 22:44:14,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:44:14,898 INFO L82 PathProgramCache]: Analyzing trace with hash -867871351, now seen corresponding path program 1 times [2019-09-08 22:44:14,898 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:44:14,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:44:14,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:44:14,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:44:14,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:44:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:44:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 7690 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7641 trivial. 0 not checked. [2019-09-08 22:44:16,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:44:16,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:44:16,249 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:44:16,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:44:16,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:44:16,249 INFO L87 Difference]: Start difference. First operand 110891 states and 140457 transitions. Second operand 3 states. [2019-09-08 22:44:23,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:44:23,990 INFO L93 Difference]: Finished difference Result 226274 states and 286993 transitions. [2019-09-08 22:44:23,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:44:23,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1399 [2019-09-08 22:44:23,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:44:24,336 INFO L225 Difference]: With dead ends: 226274 [2019-09-08 22:44:24,337 INFO L226 Difference]: Without dead ends: 115517 [2019-09-08 22:44:24,495 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 22:44:24,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115517 states. [2019-09-08 22:44:35,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115517 to 115311. [2019-09-08 22:44:35,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115311 states. [2019-09-08 22:44:36,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115311 states to 115311 states and 146123 transitions. [2019-09-08 22:44:36,062 INFO L78 Accepts]: Start accepts. Automaton has 115311 states and 146123 transitions. Word has length 1399 [2019-09-08 22:44:36,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:44:36,063 INFO L475 AbstractCegarLoop]: Abstraction has 115311 states and 146123 transitions. [2019-09-08 22:44:36,063 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:44:36,063 INFO L276 IsEmpty]: Start isEmpty. Operand 115311 states and 146123 transitions. [2019-09-08 22:44:36,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1345 [2019-09-08 22:44:36,094 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:44:36,095 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:44:36,095 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 22:44:36,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:44:36,095 INFO L82 PathProgramCache]: Analyzing trace with hash 659833497, now seen corresponding path program 1 times [2019-09-08 22:44:36,096 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:44:36,096 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:44:36,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:44:36,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:44:36,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:44:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:44:37,598 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7429 trivial. 0 not checked. [2019-09-08 22:44:37,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:44:37,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:44:37,599 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:44:37,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:44:37,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:44:37,600 INFO L87 Difference]: Start difference. First operand 115311 states and 146123 transitions. Second operand 5 states. [2019-09-08 22:44:43,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:44:43,759 INFO L93 Difference]: Finished difference Result 115435 states and 146246 transitions. [2019-09-08 22:44:43,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 22:44:43,759 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1344 [2019-09-08 22:44:43,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:44:44,133 INFO L225 Difference]: With dead ends: 115435 [2019-09-08 22:44:44,133 INFO L226 Difference]: Without dead ends: 114056 [2019-09-08 22:44:44,174 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 22:44:44,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114056 states. [2019-09-08 22:44:49,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114056 to 113934. [2019-09-08 22:44:49,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113934 states. [2019-09-08 22:44:49,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113934 states to 113934 states and 144246 transitions. [2019-09-08 22:44:50,001 INFO L78 Accepts]: Start accepts. Automaton has 113934 states and 144246 transitions. Word has length 1344 [2019-09-08 22:44:50,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:44:50,003 INFO L475 AbstractCegarLoop]: Abstraction has 113934 states and 144246 transitions. [2019-09-08 22:44:50,003 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:44:50,003 INFO L276 IsEmpty]: Start isEmpty. Operand 113934 states and 144246 transitions. [2019-09-08 22:44:50,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1227 [2019-09-08 22:44:50,076 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:44:50,077 INFO L399 BasicCegarLoop]: trace histogram [24, 24, 24, 20, 20, 20, 20, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 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] [2019-09-08 22:44:50,077 INFO L418 AbstractCegarLoop]: === Iteration 34 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 22:44:50,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:44:50,078 INFO L82 PathProgramCache]: Analyzing trace with hash 682718884, now seen corresponding path program 1 times [2019-09-08 22:44:50,078 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:44:50,078 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:44:50,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:44:50,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:44:50,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:44:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:44:52,018 INFO L134 CoverageAnalysis]: Checked inductivity of 3322 backedges. 154 proven. 2 refuted. 0 times theorem prover too weak. 3166 trivial. 0 not checked. [2019-09-08 22:44:52,019 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:44:52,019 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 22:44:52,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:44:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:44:54,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 10916 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-08 22:44:54,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:44:59,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3322 backedges. 1031 proven. 0 refuted. 0 times theorem prover too weak. 2291 trivial. 0 not checked. [2019-09-08 22:44:59,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 22:44:59,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-09-08 22:44:59,146 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 22:44:59,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 22:44:59,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 22:44:59,146 INFO L87 Difference]: Start difference. First operand 113934 states and 144246 transitions. Second operand 8 states. [2019-09-08 22:45:16,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:45:16,211 INFO L93 Difference]: Finished difference Result 233445 states and 296556 transitions. [2019-09-08 22:45:16,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 22:45:16,212 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1226 [2019-09-08 22:45:16,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:45:16,604 INFO L225 Difference]: With dead ends: 233445 [2019-09-08 22:45:16,605 INFO L226 Difference]: Without dead ends: 119645 [2019-09-08 22:45:16,769 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1241 GetRequests, 1229 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2019-09-08 22:45:16,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119645 states. [2019-09-08 22:45:22,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119645 to 116514. [2019-09-08 22:45:22,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116514 states. [2019-09-08 22:45:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116514 states to 116514 states and 147496 transitions. [2019-09-08 22:45:23,992 INFO L78 Accepts]: Start accepts. Automaton has 116514 states and 147496 transitions. Word has length 1226 [2019-09-08 22:45:23,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:45:23,993 INFO L475 AbstractCegarLoop]: Abstraction has 116514 states and 147496 transitions. [2019-09-08 22:45:23,993 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 22:45:23,993 INFO L276 IsEmpty]: Start isEmpty. Operand 116514 states and 147496 transitions. [2019-09-08 22:45:24,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1159 [2019-09-08 22:45:24,063 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:45:24,064 INFO L399 BasicCegarLoop]: trace histogram [22, 22, 22, 20, 20, 18, 18, 11, 11, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 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] [2019-09-08 22:45:24,064 INFO L418 AbstractCegarLoop]: === Iteration 35 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 22:45:24,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:45:24,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1950173681, now seen corresponding path program 1 times [2019-09-08 22:45:24,065 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:45:24,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:45:24,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:45:24,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:45:24,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:45:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:45:25,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2910 backedges. 98 proven. 8 refuted. 0 times theorem prover too weak. 2804 trivial. 0 not checked. [2019-09-08 22:45:25,976 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:45:25,977 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 22:45:25,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:45:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:45:27,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 10648 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-08 22:45:27,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:45:31,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2910 backedges. 935 proven. 0 refuted. 0 times theorem prover too weak. 1975 trivial. 0 not checked. [2019-09-08 22:45:31,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 22:45:31,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-09-08 22:45:31,963 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 22:45:31,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 22:45:31,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 22:45:31,964 INFO L87 Difference]: Start difference. First operand 116514 states and 147496 transitions. Second operand 8 states. [2019-09-08 22:45:48,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:45:48,811 INFO L93 Difference]: Finished difference Result 238363 states and 303014 transitions. [2019-09-08 22:45:48,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 22:45:48,811 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1158 [2019-09-08 22:45:48,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:45:49,186 INFO L225 Difference]: With dead ends: 238363 [2019-09-08 22:45:49,186 INFO L226 Difference]: Without dead ends: 121983 [2019-09-08 22:45:49,347 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1169 GetRequests, 1159 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-09-08 22:45:49,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121983 states. [2019-09-08 22:45:55,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121983 to 121149. [2019-09-08 22:45:55,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121149 states. [2019-09-08 22:45:55,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121149 states to 121149 states and 153459 transitions. [2019-09-08 22:45:55,977 INFO L78 Accepts]: Start accepts. Automaton has 121149 states and 153459 transitions. Word has length 1158 [2019-09-08 22:45:55,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:45:55,978 INFO L475 AbstractCegarLoop]: Abstraction has 121149 states and 153459 transitions. [2019-09-08 22:45:55,978 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 22:45:55,978 INFO L276 IsEmpty]: Start isEmpty. Operand 121149 states and 153459 transitions. [2019-09-08 22:45:56,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1099 [2019-09-08 22:45:56,045 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:45:56,046 INFO L399 BasicCegarLoop]: trace histogram [22, 22, 22, 17, 17, 16, 16, 11, 11, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2019-09-08 22:45:56,046 INFO L418 AbstractCegarLoop]: === Iteration 36 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 22:45:56,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:45:56,047 INFO L82 PathProgramCache]: Analyzing trace with hash -672808315, now seen corresponding path program 1 times [2019-09-08 22:45:56,047 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:45:56,047 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:45:56,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:45:56,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:45:56,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:45:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:45:57,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2517 backedges. 46 proven. 8 refuted. 0 times theorem prover too weak. 2463 trivial. 0 not checked. [2019-09-08 22:45:57,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:45:57,613 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 22:45:57,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:46:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:46:03,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 10232 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-08 22:46:03,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:46:03,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2517 backedges. 853 proven. 0 refuted. 0 times theorem prover too weak. 1664 trivial. 0 not checked. [2019-09-08 22:46:03,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 22:46:03,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2019-09-08 22:46:03,741 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 22:46:03,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 22:46:03,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-08 22:46:03,743 INFO L87 Difference]: Start difference. First operand 121149 states and 153459 transitions. Second operand 4 states. [2019-09-08 22:46:08,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:46:08,392 INFO L93 Difference]: Finished difference Result 239350 states and 304760 transitions. [2019-09-08 22:46:08,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:46:08,393 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1098 [2019-09-08 22:46:08,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:46:08,790 INFO L225 Difference]: With dead ends: 239350 [2019-09-08 22:46:08,791 INFO L226 Difference]: Without dead ends: 118335 [2019-09-08 22:46:09,290 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1100 GetRequests, 1098 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-08 22:46:09,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118335 states. [2019-09-08 22:46:14,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118335 to 118299. [2019-09-08 22:46:14,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118299 states. [2019-09-08 22:46:14,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118299 states to 118299 states and 149013 transitions. [2019-09-08 22:46:14,803 INFO L78 Accepts]: Start accepts. Automaton has 118299 states and 149013 transitions. Word has length 1098 [2019-09-08 22:46:14,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:46:14,804 INFO L475 AbstractCegarLoop]: Abstraction has 118299 states and 149013 transitions. [2019-09-08 22:46:14,804 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 22:46:14,804 INFO L276 IsEmpty]: Start isEmpty. Operand 118299 states and 149013 transitions. [2019-09-08 22:46:14,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1370 [2019-09-08 22:46:14,869 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:46:14,870 INFO L399 BasicCegarLoop]: trace histogram [26, 26, 26, 20, 20, 17, 17, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2019-09-08 22:46:14,870 INFO L418 AbstractCegarLoop]: === Iteration 37 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 22:46:14,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:46:14,870 INFO L82 PathProgramCache]: Analyzing trace with hash 496306944, now seen corresponding path program 1 times [2019-09-08 22:46:14,871 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:46:14,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:46:14,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:46:14,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:46:14,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:46:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:46:16,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4120 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 3985 trivial. 0 not checked. [2019-09-08 22:46:16,510 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:46:16,511 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 22:46:16,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:46:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:46:18,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 11718 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-08 22:46:18,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:46:22,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4120 backedges. 1587 proven. 0 refuted. 0 times theorem prover too weak. 2533 trivial. 0 not checked. [2019-09-08 22:46:22,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 22:46:22,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-09-08 22:46:22,983 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 22:46:22,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 22:46:22,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 22:46:22,984 INFO L87 Difference]: Start difference. First operand 118299 states and 149013 transitions. Second operand 6 states. [2019-09-08 22:46:38,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:46:38,892 INFO L93 Difference]: Finished difference Result 246466 states and 312583 transitions. [2019-09-08 22:46:38,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 22:46:38,893 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1369 [2019-09-08 22:46:38,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:46:39,280 INFO L225 Difference]: With dead ends: 246466 [2019-09-08 22:46:39,280 INFO L226 Difference]: Without dead ends: 128301 [2019-09-08 22:46:39,431 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1378 GetRequests, 1371 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 22:46:39,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128301 states. [2019-09-08 22:46:46,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128301 to 127775. [2019-09-08 22:46:46,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127775 states. [2019-09-08 22:46:46,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127775 states to 127775 states and 161035 transitions. [2019-09-08 22:46:46,423 INFO L78 Accepts]: Start accepts. Automaton has 127775 states and 161035 transitions. Word has length 1369 [2019-09-08 22:46:46,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:46:46,424 INFO L475 AbstractCegarLoop]: Abstraction has 127775 states and 161035 transitions. [2019-09-08 22:46:46,424 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 22:46:46,424 INFO L276 IsEmpty]: Start isEmpty. Operand 127775 states and 161035 transitions. [2019-09-08 22:46:46,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1607 [2019-09-08 22:46:46,489 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:46:46,490 INFO L399 BasicCegarLoop]: trace histogram [33, 33, 33, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 15, 15, 15, 15, 11, 11, 10, 10, 8, 8, 8, 8, 7, 7, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:46:46,490 INFO L418 AbstractCegarLoop]: === Iteration 38 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 22:46:46,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:46:46,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1543268844, now seen corresponding path program 1 times [2019-09-08 22:46:46,491 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:46:46,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:46:46,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:46:46,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:46:46,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:46:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:46:49,863 INFO L134 CoverageAnalysis]: Checked inductivity of 8783 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8762 trivial. 0 not checked. [2019-09-08 22:46:49,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:46:49,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:46:49,865 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:46:49,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:46:49,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:46:49,866 INFO L87 Difference]: Start difference. First operand 127775 states and 161035 transitions. Second operand 3 states. [2019-09-08 22:47:01,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:47:01,856 INFO L93 Difference]: Finished difference Result 291103 states and 366615 transitions. [2019-09-08 22:47:01,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:47:01,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1606 [2019-09-08 22:47:01,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:47:02,344 INFO L225 Difference]: With dead ends: 291103 [2019-09-08 22:47:02,345 INFO L226 Difference]: Without dead ends: 163462 [2019-09-08 22:47:02,527 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:47:02,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163462 states. [2019-09-08 22:47:09,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163462 to 160639. [2019-09-08 22:47:09,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160639 states. [2019-09-08 22:47:10,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160639 states to 160639 states and 201026 transitions. [2019-09-08 22:47:10,174 INFO L78 Accepts]: Start accepts. Automaton has 160639 states and 201026 transitions. Word has length 1606 [2019-09-08 22:47:10,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:47:10,176 INFO L475 AbstractCegarLoop]: Abstraction has 160639 states and 201026 transitions. [2019-09-08 22:47:10,176 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:47:10,176 INFO L276 IsEmpty]: Start isEmpty. Operand 160639 states and 201026 transitions. [2019-09-08 22:47:10,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1623 [2019-09-08 22:47:10,261 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:47:10,262 INFO L399 BasicCegarLoop]: trace histogram [33, 33, 33, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 15, 15, 15, 15, 13, 13, 10, 10, 8, 8, 8, 8, 7, 7, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 22:47:10,262 INFO L418 AbstractCegarLoop]: === Iteration 39 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 22:47:10,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:47:10,263 INFO L82 PathProgramCache]: Analyzing trace with hash 50566656, now seen corresponding path program 1 times [2019-09-08 22:47:10,263 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:47:10,263 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:47:10,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:47:10,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:47:10,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:47:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:47:15,963 INFO L134 CoverageAnalysis]: Checked inductivity of 8875 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8845 trivial. 0 not checked. [2019-09-08 22:47:15,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:47:15,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:47:15,965 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:47:15,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:47:15,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:47:15,966 INFO L87 Difference]: Start difference. First operand 160639 states and 201026 transitions. Second operand 3 states. [2019-09-08 22:47:25,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:47:25,838 INFO L93 Difference]: Finished difference Result 356675 states and 446144 transitions. [2019-09-08 22:47:25,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:47:25,839 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1622 [2019-09-08 22:47:25,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:47:26,453 INFO L225 Difference]: With dead ends: 356675 [2019-09-08 22:47:26,453 INFO L226 Difference]: Without dead ends: 193409 [2019-09-08 22:47:26,682 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:47:26,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193409 states. [2019-09-08 22:47:41,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193409 to 191438. [2019-09-08 22:47:41,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191438 states. [2019-09-08 22:47:42,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191438 states to 191438 states and 238566 transitions. [2019-09-08 22:47:42,031 INFO L78 Accepts]: Start accepts. Automaton has 191438 states and 238566 transitions. Word has length 1622 [2019-09-08 22:47:42,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:47:42,032 INFO L475 AbstractCegarLoop]: Abstraction has 191438 states and 238566 transitions. [2019-09-08 22:47:42,032 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:47:42,032 INFO L276 IsEmpty]: Start isEmpty. Operand 191438 states and 238566 transitions. [2019-09-08 22:47:42,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1753 [2019-09-08 22:47:42,149 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:47:42,150 INFO L399 BasicCegarLoop]: trace histogram [36, 36, 36, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 15, 15, 15, 15, 11, 11, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2019-09-08 22:47:42,150 INFO L418 AbstractCegarLoop]: === Iteration 40 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 22:47:42,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:47:42,151 INFO L82 PathProgramCache]: Analyzing trace with hash -982433971, now seen corresponding path program 1 times [2019-09-08 22:47:42,151 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:47:42,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:47:42,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:47:42,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:47:42,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:47:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:47:44,279 INFO L134 CoverageAnalysis]: Checked inductivity of 9736 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9696 trivial. 0 not checked. [2019-09-08 22:47:44,280 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:47:44,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:47:44,281 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:47:44,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:47:44,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:47:44,281 INFO L87 Difference]: Start difference. First operand 191438 states and 238566 transitions. Second operand 3 states. [2019-09-08 22:47:55,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:47:55,872 INFO L93 Difference]: Finished difference Result 418993 states and 522640 transitions. [2019-09-08 22:47:55,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:47:55,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1752 [2019-09-08 22:47:55,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:47:56,658 INFO L225 Difference]: With dead ends: 418993 [2019-09-08 22:47:56,658 INFO L226 Difference]: Without dead ends: 227689 [2019-09-08 22:47:56,936 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:47:57,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227689 states. [2019-09-08 22:48:15,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227689 to 224878. [2019-09-08 22:48:15,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224878 states. [2019-09-08 22:48:16,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224878 states to 224878 states and 279133 transitions. [2019-09-08 22:48:16,193 INFO L78 Accepts]: Start accepts. Automaton has 224878 states and 279133 transitions. Word has length 1752 [2019-09-08 22:48:16,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:48:16,194 INFO L475 AbstractCegarLoop]: Abstraction has 224878 states and 279133 transitions. [2019-09-08 22:48:16,194 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:48:16,195 INFO L276 IsEmpty]: Start isEmpty. Operand 224878 states and 279133 transitions. [2019-09-08 22:48:16,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1783 [2019-09-08 22:48:16,340 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:48:16,341 INFO L399 BasicCegarLoop]: trace histogram [36, 36, 36, 20, 20, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 15, 15, 15, 15, 11, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2019-09-08 22:48:16,341 INFO L418 AbstractCegarLoop]: === Iteration 41 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 22:48:16,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:48:16,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1850705383, now seen corresponding path program 1 times [2019-09-08 22:48:16,342 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:48:16,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:48:16,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:48:16,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:48:16,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:48:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:48:18,600 INFO L134 CoverageAnalysis]: Checked inductivity of 9896 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9841 trivial. 0 not checked. [2019-09-08 22:48:18,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:48:18,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:48:18,602 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:48:18,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:48:18,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:48:18,603 INFO L87 Difference]: Start difference. First operand 224878 states and 279133 transitions. Second operand 5 states. [2019-09-08 22:48:31,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:48:31,218 INFO L93 Difference]: Finished difference Result 485873 states and 603638 transitions. [2019-09-08 22:48:31,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 22:48:31,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1782 [2019-09-08 22:48:31,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:48:32,921 INFO L225 Difference]: With dead ends: 485873 [2019-09-08 22:48:32,922 INFO L226 Difference]: Without dead ends: 261129 [2019-09-08 22:48:33,202 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:48:33,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261129 states.