java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 07:52:31,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 07:52:31,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 07:52:31,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 07:52:31,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 07:52:31,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 07:52:31,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 07:52:31,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 07:52:31,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 07:52:31,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 07:52:31,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 07:52:31,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 07:52:31,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 07:52:31,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 07:52:31,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 07:52:31,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 07:52:31,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 07:52:31,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 07:52:31,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 07:52:31,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 07:52:31,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 07:52:31,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 07:52:31,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 07:52:31,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 07:52:31,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 07:52:31,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 07:52:31,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 07:52:31,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 07:52:31,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 07:52:31,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 07:52:31,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 07:52:31,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 07:52:31,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 07:52:31,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 07:52:31,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 07:52:31,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 07:52:31,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 07:52:31,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 07:52:31,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 07:52:31,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 07:52:31,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 07:52:31,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 07:52:31,792 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 07:52:31,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 07:52:31,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 07:52:31,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 07:52:31,794 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 07:52:31,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 07:52:31,794 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 07:52:31,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 07:52:31,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 07:52:31,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 07:52:31,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 07:52:31,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 07:52:31,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 07:52:31,796 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 07:52:31,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 07:52:31,796 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 07:52:31,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 07:52:31,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 07:52:31,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 07:52:31,797 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 07:52:31,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 07:52:31,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 07:52:31,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 07:52:31,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 07:52:31,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 07:52:31,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 07:52:31,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 07:52:31,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 07:52:31,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 07:52:32,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 07:52:32,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 07:52:32,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 07:52:32,123 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 07:52:32,123 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 07:52:32,124 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i [2019-10-07 07:52:32,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1691ba64/a759019226834494b105f4ecc0b34a5b/FLAGa0d8d0f53 [2019-10-07 07:52:33,146 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 07:52:33,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i [2019-10-07 07:52:33,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1691ba64/a759019226834494b105f4ecc0b34a5b/FLAGa0d8d0f53 [2019-10-07 07:52:33,521 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1691ba64/a759019226834494b105f4ecc0b34a5b [2019-10-07 07:52:33,532 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 07:52:33,533 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 07:52:33,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 07:52:33,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 07:52:33,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 07:52:33,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 07:52:33" (1/1) ... [2019-10-07 07:52:33,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67133f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:33, skipping insertion in model container [2019-10-07 07:52:33,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 07:52:33" (1/1) ... [2019-10-07 07:52:33,552 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 07:52:33,755 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 07:52:37,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 07:52:37,528 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 07:52:37,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 07:52:38,920 INFO L192 MainTranslator]: Completed translation [2019-10-07 07:52:38,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:38 WrapperNode [2019-10-07 07:52:38,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 07:52:38,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 07:52:38,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 07:52:38,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 07:52:38,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:38" (1/1) ... [2019-10-07 07:52:38,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:38" (1/1) ... [2019-10-07 07:52:39,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:38" (1/1) ... [2019-10-07 07:52:39,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:38" (1/1) ... [2019-10-07 07:52:39,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:38" (1/1) ... [2019-10-07 07:52:39,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:38" (1/1) ... [2019-10-07 07:52:39,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:38" (1/1) ... [2019-10-07 07:52:39,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 07:52:39,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 07:52:39,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 07:52:39,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 07:52:39,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 07:52:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 07:52:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 07:52:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2019-10-07 07:52:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-07 07:52:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 07:52:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-07 07:52:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 07:52:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 07:52:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_fold [2019-10-07 07:52:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-07 07:52:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2019-10-07 07:52:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2019-10-07 07:52:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2019-10-07 07:52:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-10-07 07:52:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_start_offset [2019-10-07 07:52:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2019-10-07 07:52:39,483 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-07 07:52:39,483 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-07 07:52:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-10-07 07:52:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-07 07:52:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2019-10-07 07:52:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2019-10-07 07:52:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2019-10-07 07:52:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2019-10-07 07:52:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2019-10-07 07:52:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-10-07 07:52:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_resolve_flowctrl_fdx [2019-10-07 07:52:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_read_reg [2019-10-07 07:52:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_write_reg [2019-10-07 07:52:39,487 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg_nopm [2019-10-07 07:52:39,487 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_nopm [2019-10-07 07:52:39,487 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg [2019-10-07 07:52:39,487 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg [2019-10-07 07:52:39,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_phy_wait_not_busy [2019-10-07 07:52:39,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_read [2019-10-07 07:52:39,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_write [2019-10-07 07:52:39,488 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read_nopm [2019-10-07 07:52:39,488 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write_nopm [2019-10-07 07:52:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read [2019-10-07 07:52:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write [2019-10-07 07:52:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_wait_eeprom [2019-10-07 07:52:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_eeprom_confirm_not_busy [2019-10-07 07:52:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_eeprom [2019-10-07 07:52:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_eeprom [2019-10-07 07:52:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_async [2019-10-07 07:52:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_hash [2019-10-07 07:52:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_multicast [2019-10-07 07:52:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_phy_update_flowcontrol [2019-10-07 07:52:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_link_reset [2019-10-07 07:52:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_status [2019-10-07 07:52:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_features [2019-10-07 07:52:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_get_eeprom_len [2019-10-07 07:52:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_get_eeprom [2019-10-07 07:52:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_set_eeprom [2019-10-07 07:52:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_getregslen [2019-10-07 07:52:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_getregs [2019-10-07 07:52:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_get_wol [2019-10-07 07:52:39,492 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_set_wol [2019-10-07 07:52:39,492 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ioctl [2019-10-07 07:52:39,492 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_init_mac_address [2019-10-07 07:52:39,493 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_mac_address [2019-10-07 07:52:39,493 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_start_tx_path [2019-10-07 07:52:39,493 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_start_rx_path [2019-10-07 07:52:39,493 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_phy_initialize [2019-10-07 07:52:39,493 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_reset [2019-10-07 07:52:39,494 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_bind [2019-10-07 07:52:39,494 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_unbind [2019-10-07 07:52:39,494 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc_crc [2019-10-07 07:52:39,494 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enable_phy_wakeup_interrupts [2019-10-07 07:52:39,494 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_link_ok_nopm [2019-10-07 07:52:39,494 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend0 [2019-10-07 07:52:39,494 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend1 [2019-10-07 07:52:39,495 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend2 [2019-10-07 07:52:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend3 [2019-10-07 07:52:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_autosuspend [2019-10-07 07:52:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_suspend [2019-10-07 07:52:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_resume [2019-10-07 07:52:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_rx_csum_offload [2019-10-07 07:52:39,497 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_rx_fixup [2019-10-07 07:52:39,497 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_calc_csum_preamble [2019-10-07 07:52:39,497 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_tx_fixup [2019-10-07 07:52:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_manage_power [2019-10-07 07:52:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_driver_init [2019-10-07 07:52:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_driver_exit [2019-10-07 07:52:39,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc95xx_driver_exit_6_2 [2019-10-07 07:52:39,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_smsc95xx_driver_init_6_11 [2019-10-07 07:52:39,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-10-07 07:52:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_4_1 [2019-10-07 07:52:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_3_6_4 [2019-10-07 07:52:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_4_6_5 [2019-10-07 07:52:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_3_2 [2019-10-07 07:52:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_3_3 [2019-10-07 07:52:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_5_2 [2019-10-07 07:52:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_3_6_6 [2019-10-07 07:52:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_4_6_7 [2019-10-07 07:52:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_10 [2019-10-07 07:52:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_11 [2019-10-07 07:52:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_12 [2019-10-07 07:52:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_13 [2019-10-07 07:52:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_14 [2019-10-07 07:52:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_15 [2019-10-07 07:52:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_16 [2019-10-07 07:52:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_17 [2019-10-07 07:52:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_20 [2019-10-07 07:52:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_23 [2019-10-07 07:52:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_24 [2019-10-07 07:52:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_27 [2019-10-07 07:52:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_28 [2019-10-07 07:52:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_29 [2019-10-07 07:52:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-10-07 07:52:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_30 [2019-10-07 07:52:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_31 [2019-10-07 07:52:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_32 [2019-10-07 07:52:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_33 [2019-10-07 07:52:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_34 [2019-10-07 07:52:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_37 [2019-10-07 07:52:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_40 [2019-10-07 07:52:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_41 [2019-10-07 07:52:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_7 [2019-10-07 07:52:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_11 [2019-10-07 07:52:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-10-07 07:52:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_13 [2019-10-07 07:52:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_14 [2019-10-07 07:52:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2019-10-07 07:52:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 07:52:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-10-07 07:52:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_8 [2019-10-07 07:52:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_6 [2019-10-07 07:52:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 07:52:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-10-07 07:52:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_0 [2019-10-07 07:52:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_driver_info_dummy_resourceless_instance_1 [2019-10-07 07:52:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-10-07 07:52:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-10-07 07:52:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2019-10-07 07:52:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-10-07 07:52:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_5 [2019-10-07 07:52:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-10-07 07:52:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2019-10-07 07:52:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_1 [2019-10-07 07:52:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_15 [2019-10-07 07:52:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-10-07 07:52:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_4 [2019-10-07 07:52:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister [2019-10-07 07:52:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_dummy_factory_3 [2019-10-07 07:52:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_callback_2_6 [2019-10-07 07:52:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_post_2_9 [2019-10-07 07:52:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_pre_2_10 [2019-10-07 07:52:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_probe_2_13 [2019-10-07 07:52:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2019-10-07 07:52:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_resume_2_7 [2019-10-07 07:52:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_suspend_2_8 [2019-10-07 07:52:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver [2019-10-07 07:52:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_usb_instance_2 [2019-10-07 07:52:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 07:52:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2019-10-07 07:52:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_60 [2019-10-07 07:52:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2019-10-07 07:52:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_62 [2019-10-07 07:52:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_64 [2019-10-07 07:52:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_66 [2019-10-07 07:52:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_68 [2019-10-07 07:52:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_69 [2019-10-07 07:52:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-07 07:52:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-07 07:52:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-07 07:52:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 07:52:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 07:52:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 07:52:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 07:52:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-07 07:52:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-07 07:52:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-07 07:52:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-07 07:52:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-07 07:52:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-07 07:52:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 07:52:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 07:52:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 07:52:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 07:52:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-07 07:52:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 07:52:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-07 07:52:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-07 07:52:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-07 07:52:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-07 07:52:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-07 07:52:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-07 07:52:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-07 07:52:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 07:52:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 07:52:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 07:52:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-07 07:52:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-07 07:52:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-07 07:52:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-07 07:52:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-07 07:52:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-07 07:52:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-07 07:52:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-07 07:52:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-07 07:52:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-07 07:52:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-07 07:52:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-07 07:52:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-07 07:52:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-07 07:52:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-07 07:52:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-07 07:52:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-07 07:52:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-07 07:52:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-07 07:52:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-07 07:52:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-07 07:52:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-07 07:52:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-07 07:52:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-07 07:52:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-07 07:52:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-07 07:52:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-07 07:52:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-07 07:52:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-07 07:52:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-07 07:52:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-10-07 07:52:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-07 07:52:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-07 07:52:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-07 07:52:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-07 07:52:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-07 07:52:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-07 07:52:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-07 07:52:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-10-07 07:52:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-10-07 07:52:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-10-07 07:52:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-10-07 07:52:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-10-07 07:52:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-10-07 07:52:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-10-07 07:52:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-10-07 07:52:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-07 07:52:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-07 07:52:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-07 07:52:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-07 07:52:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-07 07:52:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-07 07:52:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-07 07:52:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-07 07:52:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mac_cr_lock_of_smsc95xx_priv [2019-10-07 07:52:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mac_cr_lock_of_smsc95xx_priv [2019-10-07 07:52:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_mac_cr_lock_of_smsc95xx_priv [2019-10-07 07:52:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_mac_cr_lock_of_smsc95xx_priv [2019-10-07 07:52:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_mac_cr_lock_of_smsc95xx_priv [2019-10-07 07:52:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_mac_cr_lock_of_smsc95xx_priv [2019-10-07 07:52:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_mac_cr_lock_of_smsc95xx_priv [2019-10-07 07:52:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_mac_cr_lock_of_smsc95xx_priv [2019-10-07 07:52:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-07 07:52:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-07 07:52:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-07 07:52:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-07 07:52:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-07 07:52:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-07 07:52:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-07 07:52:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-07 07:52:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-10-07 07:52:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-10-07 07:52:39,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-10-07 07:52:39,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-10-07 07:52:39,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-10-07 07:52:39,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-10-07 07:52:39,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-10-07 07:52:39,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-10-07 07:52:39,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-07 07:52:39,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-07 07:52:39,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-07 07:52:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-07 07:52:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-07 07:52:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-07 07:52:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-07 07:52:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-07 07:52:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-07 07:52:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-07 07:52:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-07 07:52:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-07 07:52:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-07 07:52:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-07 07:52:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-07 07:52:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-07 07:52:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 07:52:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-10-07 07:52:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-07 07:52:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-07 07:52:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-07 07:52:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-07 07:52:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-07 07:52:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-10-07 07:52:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-07 07:52:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2019-10-07 07:52:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 07:52:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 07:52:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev16 [2019-10-07 07:52:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2019-10-07 07:52:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure crc16 [2019-10-07 07:52:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-07 07:52:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_partial [2019-10-07 07:52:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2019-10-07 07:52:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-07 07:52:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-07 07:52:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-07 07:52:39,553 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2019-10-07 07:52:39,553 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2019-10-07 07:52:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-07 07:52:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-07 07:52:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 07:52:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 07:52:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2019-10-07 07:52:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_usb_register_driver [2019-10-07 07:52:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2019-10-07 07:52:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2019-10-07 07:52:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2019-10-07 07:52:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-07 07:52:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-07 07:52:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 07:52:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-07 07:52:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-07 07:52:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 07:52:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2019-10-07 07:52:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2019-10-07 07:52:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-07 07:52:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-07 07:52:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-07 07:52:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2019-10-07 07:52:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2019-10-07 07:52:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-07 07:52:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-07 07:52:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_change_mtu [2019-10-07 07:52:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_defer_kevent [2019-10-07 07:52:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2019-10-07 07:52:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_drvinfo [2019-10-07 07:52:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2019-10-07 07:52:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_link [2019-10-07 07:52:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_msglevel [2019-10-07 07:52:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_settings [2019-10-07 07:52:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2019-10-07 07:52:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2019-10-07 07:52:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2019-10-07 07:52:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2019-10-07 07:52:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_msglevel [2019-10-07 07:52:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_settings [2019-10-07 07:52:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2019-10-07 07:52:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_start_xmit [2019-10-07 07:52:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2019-10-07 07:52:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2019-10-07 07:52:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2019-10-07 07:52:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_write_cmd_async [2019-10-07 07:52:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 07:52:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 07:52:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 07:52:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 07:52:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 07:52:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 07:52:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-07 07:52:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-07 07:52:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-07 07:52:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 07:52:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 07:52:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-07 07:52:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 07:52:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 07:52:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2019-10-07 07:52:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_60 [2019-10-07 07:52:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_62 [2019-10-07 07:52:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_64 [2019-10-07 07:52:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_66 [2019-10-07 07:52:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mac_cr_lock_of_smsc95xx_priv [2019-10-07 07:52:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mac_cr_lock_of_smsc95xx_priv [2019-10-07 07:52:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 07:52:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-07 07:52:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2019-10-07 07:52:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-07 07:52:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_usb_register_driver [2019-10-07 07:52:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 07:52:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-07 07:52:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 07:52:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 07:52:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-07 07:52:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-07 07:52:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-07 07:52:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-07 07:52:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 07:52:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 07:52:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 07:52:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 07:52:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 07:52:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2019-10-07 07:52:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2019-10-07 07:52:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2019-10-07 07:52:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-07 07:52:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-07 07:52:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2019-10-07 07:52:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 07:52:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 07:52:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure csum_fold [2019-10-07 07:52:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure csum_partial [2019-10-07 07:52:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2019-10-07 07:52:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2019-10-07 07:52:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-07 07:52:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 07:52:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2019-10-07 07:52:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2019-10-07 07:52:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 07:52:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2019-10-07 07:52:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-07 07:52:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-07 07:52:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-10-07 07:52:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_start_offset [2019-10-07 07:52:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-07 07:52:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2019-10-07 07:52:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-07 07:52:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-07 07:52:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-10-07 07:52:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-10-07 07:52:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-07 07:52:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-07 07:52:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-07 07:52:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2019-10-07 07:52:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2019-10-07 07:52:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-07 07:52:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_68 [2019-10-07 07:52:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-07 07:52:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_69 [2019-10-07 07:52:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-07 07:52:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-07 07:52:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2019-10-07 07:52:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2019-10-07 07:52:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2019-10-07 07:52:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2019-10-07 07:52:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2019-10-07 07:52:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2019-10-07 07:52:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2019-10-07 07:52:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2019-10-07 07:52:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2019-10-07 07:52:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-10-07 07:52:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure mii_resolve_flowctrl_fdx [2019-10-07 07:52:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev16 [2019-10-07 07:52:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2019-10-07 07:52:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure crc16 [2019-10-07 07:52:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-07 07:52:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2019-10-07 07:52:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2019-10-07 07:52:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2019-10-07 07:52:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2019-10-07 07:52:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd [2019-10-07 07:52:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd [2019-10-07 07:52:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd_nopm [2019-10-07 07:52:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_nopm [2019-10-07 07:52:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_async [2019-10-07 07:52:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2019-10-07 07:52:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2019-10-07 07:52:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_start_xmit [2019-10-07 07:52:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2019-10-07 07:52:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_change_mtu [2019-10-07 07:52:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2019-10-07 07:52:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_defer_kevent [2019-10-07 07:52:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2019-10-07 07:52:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_settings [2019-10-07 07:52:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_settings [2019-10-07 07:52:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_link [2019-10-07 07:52:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_msglevel [2019-10-07 07:52:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_msglevel [2019-10-07 07:52:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_drvinfo [2019-10-07 07:52:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2019-10-07 07:52:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_read_reg [2019-10-07 07:52:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 07:52:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2019-10-07 07:52:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 07:52:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_write_reg [2019-10-07 07:52:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg_nopm [2019-10-07 07:52:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_nopm [2019-10-07 07:52:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg [2019-10-07 07:52:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg [2019-10-07 07:52:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_phy_wait_not_busy [2019-10-07 07:52:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_read [2019-10-07 07:52:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_write [2019-10-07 07:52:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read_nopm [2019-10-07 07:52:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write_nopm [2019-10-07 07:52:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read [2019-10-07 07:52:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write [2019-10-07 07:52:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_wait_eeprom [2019-10-07 07:52:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_eeprom_confirm_not_busy [2019-10-07 07:52:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_eeprom [2019-10-07 07:52:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_eeprom [2019-10-07 07:52:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_async [2019-10-07 07:52:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_hash [2019-10-07 07:52:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_multicast [2019-10-07 07:52:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 07:52:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_phy_update_flowcontrol [2019-10-07 07:52:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_link_reset [2019-10-07 07:52:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_status [2019-10-07 07:52:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 07:52:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_features [2019-10-07 07:52:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_get_eeprom_len [2019-10-07 07:52:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_get_eeprom [2019-10-07 07:52:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_set_eeprom [2019-10-07 07:52:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_getregslen [2019-10-07 07:52:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_getregs [2019-10-07 07:52:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_get_wol [2019-10-07 07:52:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_set_wol [2019-10-07 07:52:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ioctl [2019-10-07 07:52:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_init_mac_address [2019-10-07 07:52:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_mac_address [2019-10-07 07:52:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_start_tx_path [2019-10-07 07:52:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_start_rx_path [2019-10-07 07:52:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_phy_initialize [2019-10-07 07:52:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_reset [2019-10-07 07:52:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_bind [2019-10-07 07:52:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_unbind [2019-10-07 07:52:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure smsc_crc [2019-10-07 07:52:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enable_phy_wakeup_interrupts [2019-10-07 07:52:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_link_ok_nopm [2019-10-07 07:52:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend0 [2019-10-07 07:52:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend1 [2019-10-07 07:52:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend2 [2019-10-07 07:52:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend3 [2019-10-07 07:52:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_autosuspend [2019-10-07 07:52:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_suspend [2019-10-07 07:52:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 07:52:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_resume [2019-10-07 07:52:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_rx_csum_offload [2019-10-07 07:52:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_rx_fixup [2019-10-07 07:52:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_calc_csum_preamble [2019-10-07 07:52:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_tx_fixup [2019-10-07 07:52:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_manage_power [2019-10-07 07:52:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_driver_init [2019-10-07 07:52:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_driver_exit [2019-10-07 07:52:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc95xx_driver_exit_6_2 [2019-10-07 07:52:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_smsc95xx_driver_init_6_11 [2019-10-07 07:52:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-10-07 07:52:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_4_1 [2019-10-07 07:52:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_3_6_4 [2019-10-07 07:52:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_4_6_5 [2019-10-07 07:52:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_3_2 [2019-10-07 07:52:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_3_3 [2019-10-07 07:52:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_5_2 [2019-10-07 07:52:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_3_6_6 [2019-10-07 07:52:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_4_6_7 [2019-10-07 07:52:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_10 [2019-10-07 07:52:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_11 [2019-10-07 07:52:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_12 [2019-10-07 07:52:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_13 [2019-10-07 07:52:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_14 [2019-10-07 07:52:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_15 [2019-10-07 07:52:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_16 [2019-10-07 07:52:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_17 [2019-10-07 07:52:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_20 [2019-10-07 07:52:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_23 [2019-10-07 07:52:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_24 [2019-10-07 07:52:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_27 [2019-10-07 07:52:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_28 [2019-10-07 07:52:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_29 [2019-10-07 07:52:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-10-07 07:52:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_30 [2019-10-07 07:52:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_31 [2019-10-07 07:52:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_32 [2019-10-07 07:52:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_33 [2019-10-07 07:52:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_34 [2019-10-07 07:52:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_37 [2019-10-07 07:52:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_40 [2019-10-07 07:52:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_41 [2019-10-07 07:52:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_7 [2019-10-07 07:52:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_11 [2019-10-07 07:52:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-10-07 07:52:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_13 [2019-10-07 07:52:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_14 [2019-10-07 07:52:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2019-10-07 07:52:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 07:52:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-10-07 07:52:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_8 [2019-10-07 07:52:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_6 [2019-10-07 07:52:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 07:52:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-10-07 07:52:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_0 [2019-10-07 07:52:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_driver_info_dummy_resourceless_instance_1 [2019-10-07 07:52:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-10-07 07:52:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-10-07 07:52:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2019-10-07 07:52:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-10-07 07:52:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_5 [2019-10-07 07:52:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-10-07 07:52:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2019-10-07 07:52:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_1 [2019-10-07 07:52:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_15 [2019-10-07 07:52:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-10-07 07:52:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_4 [2019-10-07 07:52:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister [2019-10-07 07:52:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_dummy_factory_3 [2019-10-07 07:52:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_callback_2_6 [2019-10-07 07:52:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_post_2_9 [2019-10-07 07:52:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_pre_2_10 [2019-10-07 07:52:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_probe_2_13 [2019-10-07 07:52:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2019-10-07 07:52:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_resume_2_7 [2019-10-07 07:52:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_suspend_2_8 [2019-10-07 07:52:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver [2019-10-07 07:52:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_usb_instance_2 [2019-10-07 07:52:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-07 07:52:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-07 07:52:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-07 07:52:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 07:52:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-07 07:52:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 07:52:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 07:52:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 07:52:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 07:52:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-07 07:52:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-07 07:52:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 07:52:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-07 07:52:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-07 07:52:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 07:52:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 07:52:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-07 07:52:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-07 07:52:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-07 07:52:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-07 07:52:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-07 07:52:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 07:52:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 07:52:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 07:52:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 07:52:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 07:52:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 07:52:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 07:52:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-07 07:52:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-07 07:52:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 07:52:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 07:52:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 07:52:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-07 07:52:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-07 07:52:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-07 07:52:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-07 07:52:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 07:52:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-07 07:52:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-07 07:52:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-07 07:52:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-07 07:52:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-07 07:52:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-07 07:52:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-07 07:52:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-07 07:52:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-07 07:52:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-07 07:52:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-07 07:52:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-07 07:52:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-07 07:52:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-07 07:52:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-07 07:52:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-07 07:52:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-07 07:52:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-07 07:52:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-07 07:52:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-07 07:52:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-07 07:52:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-07 07:52:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-07 07:52:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-07 07:52:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-07 07:52:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-07 07:52:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-07 07:52:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-07 07:52:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-10-07 07:52:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-07 07:52:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-07 07:52:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-07 07:52:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-07 07:52:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-07 07:52:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-07 07:52:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-07 07:52:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-10-07 07:52:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-10-07 07:52:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-10-07 07:52:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-10-07 07:52:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-10-07 07:52:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-10-07 07:52:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-10-07 07:52:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-10-07 07:52:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-07 07:52:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-07 07:52:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-07 07:52:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-07 07:52:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-07 07:52:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-07 07:52:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-07 07:52:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-07 07:52:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_mac_cr_lock_of_smsc95xx_priv [2019-10-07 07:52:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_mac_cr_lock_of_smsc95xx_priv [2019-10-07 07:52:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_mac_cr_lock_of_smsc95xx_priv [2019-10-07 07:52:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_mac_cr_lock_of_smsc95xx_priv [2019-10-07 07:52:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_mac_cr_lock_of_smsc95xx_priv [2019-10-07 07:52:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_mac_cr_lock_of_smsc95xx_priv [2019-10-07 07:52:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-07 07:52:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-07 07:52:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-07 07:52:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-07 07:52:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-07 07:52:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-07 07:52:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-07 07:52:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-07 07:52:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-10-07 07:52:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-10-07 07:52:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-10-07 07:52:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-10-07 07:52:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-10-07 07:52:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-10-07 07:52:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-10-07 07:52:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-10-07 07:52:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-07 07:52:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-07 07:52:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-07 07:52:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-07 07:52:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-07 07:52:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-07 07:52:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-07 07:52:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-07 07:52:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-07 07:52:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-07 07:52:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-07 07:52:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-07 07:52:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-07 07:52:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-07 07:52:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-07 07:52:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-07 07:52:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-10-07 07:52:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 07:52:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-07 07:52:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 07:52:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 07:52:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 07:52:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 07:52:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 07:52:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 07:52:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 07:52:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 07:52:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 07:52:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 07:52:45,374 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-10-07 07:52:54,601 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 07:53:14,718 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 07:53:14,718 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 07:53:14,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 07:53:14 BoogieIcfgContainer [2019-10-07 07:53:14,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 07:53:14,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 07:53:14,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 07:53:14,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 07:53:14,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 07:52:33" (1/3) ... [2019-10-07 07:53:14,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382c4aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 07:53:14, skipping insertion in model container [2019-10-07 07:53:14,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:38" (2/3) ... [2019-10-07 07:53:14,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382c4aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 07:53:14, skipping insertion in model container [2019-10-07 07:53:14,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 07:53:14" (3/3) ... [2019-10-07 07:53:14,729 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i [2019-10-07 07:53:14,740 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 07:53:14,759 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-07 07:53:14,772 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-07 07:53:14,821 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 07:53:14,821 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 07:53:14,821 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 07:53:14,821 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 07:53:14,821 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 07:53:14,821 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 07:53:14,821 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 07:53:14,822 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 07:53:14,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states. [2019-10-07 07:53:14,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-07 07:53:14,912 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:53:14,913 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:53:14,916 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:53:14,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:53:14,922 INFO L82 PathProgramCache]: Analyzing trace with hash -2060498359, now seen corresponding path program 1 times [2019-10-07 07:53:14,932 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:53:14,932 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:14,932 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:14,932 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:14,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:53:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:53:16,242 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 765 trivial. 0 not checked. [2019-10-07 07:53:16,242 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:16,243 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:53:16,243 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:53:16,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:53:16,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:53:16,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:53:16,267 INFO L87 Difference]: Start difference. First operand 2225 states. Second operand 3 states. [2019-10-07 07:53:17,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:53:17,542 INFO L93 Difference]: Finished difference Result 5449 states and 7339 transitions. [2019-10-07 07:53:17,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:53:17,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-10-07 07:53:17,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:53:17,586 INFO L225 Difference]: With dead ends: 5449 [2019-10-07 07:53:17,586 INFO L226 Difference]: Without dead ends: 3591 [2019-10-07 07:53:17,600 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:53:17,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3591 states. [2019-10-07 07:53:17,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3591 to 3569. [2019-10-07 07:53:17,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3569 states. [2019-10-07 07:53:17,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3569 states to 3569 states and 4730 transitions. [2019-10-07 07:53:17,968 INFO L78 Accepts]: Start accepts. Automaton has 3569 states and 4730 transitions. Word has length 165 [2019-10-07 07:53:17,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:53:17,974 INFO L462 AbstractCegarLoop]: Abstraction has 3569 states and 4730 transitions. [2019-10-07 07:53:17,974 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:53:17,974 INFO L276 IsEmpty]: Start isEmpty. Operand 3569 states and 4730 transitions. [2019-10-07 07:53:17,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-07 07:53:17,995 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:53:17,996 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 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] [2019-10-07 07:53:17,997 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:53:17,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:53:17,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1938922617, now seen corresponding path program 1 times [2019-10-07 07:53:17,998 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:53:17,998 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:17,999 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:17,999 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:17,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:53:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:53:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2019-10-07 07:53:20,353 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:20,353 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:53:20,353 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:53:20,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:53:20,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:53:20,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:53:20,357 INFO L87 Difference]: Start difference. First operand 3569 states and 4730 transitions. Second operand 3 states. [2019-10-07 07:53:21,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:53:21,763 INFO L93 Difference]: Finished difference Result 5346 states and 7081 transitions. [2019-10-07 07:53:21,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:53:21,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2019-10-07 07:53:21,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:53:21,833 INFO L225 Difference]: With dead ends: 5346 [2019-10-07 07:53:21,833 INFO L226 Difference]: Without dead ends: 5297 [2019-10-07 07:53:21,843 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:53:21,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5297 states. [2019-10-07 07:53:22,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5297 to 5275. [2019-10-07 07:53:22,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5275 states. [2019-10-07 07:53:22,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5275 states to 5275 states and 6989 transitions. [2019-10-07 07:53:22,307 INFO L78 Accepts]: Start accepts. Automaton has 5275 states and 6989 transitions. Word has length 188 [2019-10-07 07:53:22,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:53:22,311 INFO L462 AbstractCegarLoop]: Abstraction has 5275 states and 6989 transitions. [2019-10-07 07:53:22,312 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:53:22,312 INFO L276 IsEmpty]: Start isEmpty. Operand 5275 states and 6989 transitions. [2019-10-07 07:53:22,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-10-07 07:53:22,323 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:53:22,323 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 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] [2019-10-07 07:53:22,324 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:53:22,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:53:22,324 INFO L82 PathProgramCache]: Analyzing trace with hash 431716185, now seen corresponding path program 1 times [2019-10-07 07:53:22,325 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:53:22,325 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:22,325 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:22,326 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:22,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:53:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:53:22,940 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2019-10-07 07:53:22,940 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:22,940 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:53:22,940 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:53:22,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:53:22,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:53:22,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:53:22,942 INFO L87 Difference]: Start difference. First operand 5275 states and 6989 transitions. Second operand 3 states. [2019-10-07 07:53:24,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:53:24,269 INFO L93 Difference]: Finished difference Result 7026 states and 9315 transitions. [2019-10-07 07:53:24,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:53:24,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2019-10-07 07:53:24,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:53:24,318 INFO L225 Difference]: With dead ends: 7026 [2019-10-07 07:53:24,318 INFO L226 Difference]: Without dead ends: 6977 [2019-10-07 07:53:24,325 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:53:24,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6977 states. [2019-10-07 07:53:24,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6977 to 6955. [2019-10-07 07:53:24,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6955 states. [2019-10-07 07:53:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6955 states to 6955 states and 9222 transitions. [2019-10-07 07:53:24,789 INFO L78 Accepts]: Start accepts. Automaton has 6955 states and 9222 transitions. Word has length 187 [2019-10-07 07:53:24,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:53:24,790 INFO L462 AbstractCegarLoop]: Abstraction has 6955 states and 9222 transitions. [2019-10-07 07:53:24,791 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:53:24,791 INFO L276 IsEmpty]: Start isEmpty. Operand 6955 states and 9222 transitions. [2019-10-07 07:53:24,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-07 07:53:24,802 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:53:24,802 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:53:24,803 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:53:24,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:53:24,803 INFO L82 PathProgramCache]: Analyzing trace with hash -829388819, now seen corresponding path program 1 times [2019-10-07 07:53:24,804 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:53:24,804 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:24,804 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:24,805 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:24,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:53:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:53:25,670 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 765 trivial. 0 not checked. [2019-10-07 07:53:25,670 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:25,670 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:53:25,670 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:53:25,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:53:25,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:53:25,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:53:25,672 INFO L87 Difference]: Start difference. First operand 6955 states and 9222 transitions. Second operand 3 states. [2019-10-07 07:53:27,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:53:27,538 INFO L93 Difference]: Finished difference Result 19575 states and 26053 transitions. [2019-10-07 07:53:27,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:53:27,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2019-10-07 07:53:27,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:53:27,631 INFO L225 Difference]: With dead ends: 19575 [2019-10-07 07:53:27,631 INFO L226 Difference]: Without dead ends: 12674 [2019-10-07 07:53:27,668 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:53:27,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12674 states. [2019-10-07 07:53:28,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12674 to 12643. [2019-10-07 07:53:28,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12643 states. [2019-10-07 07:53:28,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12643 states to 12643 states and 16852 transitions. [2019-10-07 07:53:28,358 INFO L78 Accepts]: Start accepts. Automaton has 12643 states and 16852 transitions. Word has length 183 [2019-10-07 07:53:28,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:53:28,362 INFO L462 AbstractCegarLoop]: Abstraction has 12643 states and 16852 transitions. [2019-10-07 07:53:28,362 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:53:28,362 INFO L276 IsEmpty]: Start isEmpty. Operand 12643 states and 16852 transitions. [2019-10-07 07:53:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-10-07 07:53:28,380 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:53:28,380 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:53:28,381 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:53:28,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:53:28,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1608256546, now seen corresponding path program 1 times [2019-10-07 07:53:28,381 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:53:28,381 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:28,382 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:28,382 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:28,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:53:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:53:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2019-10-07 07:53:29,113 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:29,113 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:53:29,113 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:53:29,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:53:29,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:53:29,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:53:29,115 INFO L87 Difference]: Start difference. First operand 12643 states and 16852 transitions. Second operand 5 states. [2019-10-07 07:54:11,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:54:11,726 INFO L93 Difference]: Finished difference Result 28317 states and 37762 transitions. [2019-10-07 07:54:11,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:54:11,727 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 210 [2019-10-07 07:54:11,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:54:11,811 INFO L225 Difference]: With dead ends: 28317 [2019-10-07 07:54:11,812 INFO L226 Difference]: Without dead ends: 15728 [2019-10-07 07:54:11,859 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:54:11,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15728 states. [2019-10-07 07:54:12,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15728 to 15718. [2019-10-07 07:54:12,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15718 states. [2019-10-07 07:54:12,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15718 states to 15718 states and 20958 transitions. [2019-10-07 07:54:12,683 INFO L78 Accepts]: Start accepts. Automaton has 15718 states and 20958 transitions. Word has length 210 [2019-10-07 07:54:12,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:54:12,684 INFO L462 AbstractCegarLoop]: Abstraction has 15718 states and 20958 transitions. [2019-10-07 07:54:12,684 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:54:12,684 INFO L276 IsEmpty]: Start isEmpty. Operand 15718 states and 20958 transitions. [2019-10-07 07:54:12,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-07 07:54:12,705 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:54:12,706 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 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] [2019-10-07 07:54:12,706 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:54:12,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:54:12,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1375260856, now seen corresponding path program 1 times [2019-10-07 07:54:12,707 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:54:12,707 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:54:12,707 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:54:12,707 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:54:12,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:54:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:54:13,219 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 771 trivial. 0 not checked. [2019-10-07 07:54:13,220 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:54:13,220 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:54:13,220 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:54:13,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:54:13,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:54:13,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:54:13,224 INFO L87 Difference]: Start difference. First operand 15718 states and 20958 transitions. Second operand 5 states. [2019-10-07 07:54:50,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:54:50,395 INFO L93 Difference]: Finished difference Result 39042 states and 52072 transitions. [2019-10-07 07:54:50,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:54:50,396 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 205 [2019-10-07 07:54:50,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:54:50,502 INFO L225 Difference]: With dead ends: 39042 [2019-10-07 07:54:50,503 INFO L226 Difference]: Without dead ends: 23378 [2019-10-07 07:54:50,564 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-07 07:54:50,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23378 states. [2019-10-07 07:54:51,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23378 to 23339. [2019-10-07 07:54:51,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23339 states. [2019-10-07 07:54:52,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23339 states to 23339 states and 31117 transitions. [2019-10-07 07:54:52,023 INFO L78 Accepts]: Start accepts. Automaton has 23339 states and 31117 transitions. Word has length 205 [2019-10-07 07:54:52,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:54:52,025 INFO L462 AbstractCegarLoop]: Abstraction has 23339 states and 31117 transitions. [2019-10-07 07:54:52,025 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:54:52,025 INFO L276 IsEmpty]: Start isEmpty. Operand 23339 states and 31117 transitions. [2019-10-07 07:54:52,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-10-07 07:54:52,046 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:54:52,047 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:54:52,047 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:54:52,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:54:52,047 INFO L82 PathProgramCache]: Analyzing trace with hash -703132073, now seen corresponding path program 1 times [2019-10-07 07:54:52,048 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:54:52,048 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:54:52,048 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:54:52,048 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:54:52,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:54:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:54:52,483 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2019-10-07 07:54:52,484 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:54:52,484 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:54:52,484 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:54:52,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:54:52,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:54:52,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:54:52,486 INFO L87 Difference]: Start difference. First operand 23339 states and 31117 transitions. Second operand 5 states. [2019-10-07 07:55:31,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:55:31,757 INFO L93 Difference]: Finished difference Result 46658 states and 62197 transitions. [2019-10-07 07:55:31,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:55:31,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2019-10-07 07:55:31,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:55:31,851 INFO L225 Difference]: With dead ends: 46658 [2019-10-07 07:55:31,852 INFO L226 Difference]: Without dead ends: 23373 [2019-10-07 07:55:31,916 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:55:31,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23373 states. [2019-10-07 07:55:32,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23373 to 23355. [2019-10-07 07:55:32,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23355 states. [2019-10-07 07:55:32,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23355 states to 23355 states and 31109 transitions. [2019-10-07 07:55:32,943 INFO L78 Accepts]: Start accepts. Automaton has 23355 states and 31109 transitions. Word has length 212 [2019-10-07 07:55:32,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:55:32,943 INFO L462 AbstractCegarLoop]: Abstraction has 23355 states and 31109 transitions. [2019-10-07 07:55:32,944 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:55:32,944 INFO L276 IsEmpty]: Start isEmpty. Operand 23355 states and 31109 transitions. [2019-10-07 07:55:32,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-10-07 07:55:32,959 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:55:32,960 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 3, 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] [2019-10-07 07:55:32,960 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:55:32,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:55:32,960 INFO L82 PathProgramCache]: Analyzing trace with hash 876813739, now seen corresponding path program 1 times [2019-10-07 07:55:32,961 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:55:32,961 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:55:32,961 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:55:32,961 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:55:32,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:55:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:55:33,350 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 771 trivial. 0 not checked. [2019-10-07 07:55:33,351 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:55:33,351 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:55:33,351 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:55:33,352 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:55:33,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:55:33,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:55:33,355 INFO L87 Difference]: Start difference. First operand 23355 states and 31109 transitions. Second operand 5 states. [2019-10-07 07:56:11,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:56:11,433 INFO L93 Difference]: Finished difference Result 52305 states and 69676 transitions. [2019-10-07 07:56:11,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:56:11,433 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 207 [2019-10-07 07:56:11,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:56:11,821 INFO L225 Difference]: With dead ends: 52305 [2019-10-07 07:56:11,821 INFO L226 Difference]: Without dead ends: 29004 [2019-10-07 07:56:11,873 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-07 07:56:11,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29004 states. [2019-10-07 07:56:12,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29004 to 28965. [2019-10-07 07:56:12,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28965 states. [2019-10-07 07:56:12,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28965 states to 28965 states and 38573 transitions. [2019-10-07 07:56:12,878 INFO L78 Accepts]: Start accepts. Automaton has 28965 states and 38573 transitions. Word has length 207 [2019-10-07 07:56:12,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:56:12,879 INFO L462 AbstractCegarLoop]: Abstraction has 28965 states and 38573 transitions. [2019-10-07 07:56:12,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:56:12,879 INFO L276 IsEmpty]: Start isEmpty. Operand 28965 states and 38573 transitions. [2019-10-07 07:56:12,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-07 07:56:12,907 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:56:12,907 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:56:12,908 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:56:12,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:56:12,908 INFO L82 PathProgramCache]: Analyzing trace with hash 615092638, now seen corresponding path program 1 times [2019-10-07 07:56:12,908 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:56:12,909 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:56:12,909 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:56:12,909 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:56:12,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:56:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:56:13,375 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2019-10-07 07:56:13,376 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:56:13,376 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 07:56:13,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:56:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:56:16,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 6794 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 07:56:16,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 07:56:16,567 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 779 trivial. 0 not checked. [2019-10-07 07:56:16,568 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 07:56:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2019-10-07 07:56:17,085 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 07:56:17,085 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10 [2019-10-07 07:56:17,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:56:17,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:56:17,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-07 07:56:17,087 INFO L87 Difference]: Start difference. First operand 28965 states and 38573 transitions. Second operand 5 states. [2019-10-07 07:56:56,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:56:56,531 INFO L93 Difference]: Finished difference Result 65060 states and 86767 transitions. [2019-10-07 07:56:56,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:56:56,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2019-10-07 07:56:56,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:56:56,749 INFO L225 Difference]: With dead ends: 65060 [2019-10-07 07:56:56,750 INFO L226 Difference]: Without dead ends: 36149 [2019-10-07 07:56:56,857 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 448 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-07 07:56:56,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36149 states. [2019-10-07 07:56:59,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36149 to 36100. [2019-10-07 07:56:59,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36100 states. [2019-10-07 07:56:59,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36100 states to 36100 states and 48171 transitions. [2019-10-07 07:56:59,329 INFO L78 Accepts]: Start accepts. Automaton has 36100 states and 48171 transitions. Word has length 226 [2019-10-07 07:56:59,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:56:59,329 INFO L462 AbstractCegarLoop]: Abstraction has 36100 states and 48171 transitions. [2019-10-07 07:56:59,329 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:56:59,329 INFO L276 IsEmpty]: Start isEmpty. Operand 36100 states and 48171 transitions. [2019-10-07 07:56:59,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-10-07 07:56:59,377 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:56:59,378 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:56:59,591 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:56:59,592 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:56:59,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:56:59,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1411147730, now seen corresponding path program 1 times [2019-10-07 07:56:59,593 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:56:59,594 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:56:59,594 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:56:59,594 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:56:59,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:56:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:57:00,170 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2019-10-07 07:57:00,171 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:57:00,171 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 07:57:00,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:57:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:57:02,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 6755 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 07:57:02,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 07:57:02,986 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2019-10-07 07:57:02,986 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 07:57:03,702 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2019-10-07 07:57:03,790 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2019-10-07 07:57:03,790 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 07:57:03,790 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10 [2019-10-07 07:57:03,791 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:57:03,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:57:03,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-07 07:57:03,791 INFO L87 Difference]: Start difference. First operand 36100 states and 48171 transitions. Second operand 5 states. [2019-10-07 07:57:42,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:57:42,259 INFO L93 Difference]: Finished difference Result 78164 states and 104332 transitions. [2019-10-07 07:57:42,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:57:42,260 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 234 [2019-10-07 07:57:42,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:57:42,463 INFO L225 Difference]: With dead ends: 78164 [2019-10-07 07:57:42,464 INFO L226 Difference]: Without dead ends: 42118 [2019-10-07 07:57:42,553 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 464 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-07 07:57:42,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42118 states. [2019-10-07 07:57:44,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42118 to 42104. [2019-10-07 07:57:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42104 states. [2019-10-07 07:57:44,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42104 states to 42104 states and 56178 transitions. [2019-10-07 07:57:44,777 INFO L78 Accepts]: Start accepts. Automaton has 42104 states and 56178 transitions. Word has length 234 [2019-10-07 07:57:44,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:57:44,777 INFO L462 AbstractCegarLoop]: Abstraction has 42104 states and 56178 transitions. [2019-10-07 07:57:44,777 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:57:44,778 INFO L276 IsEmpty]: Start isEmpty. Operand 42104 states and 56178 transitions. [2019-10-07 07:57:44,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-10-07 07:57:44,792 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:57:44,792 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:57:45,006 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:57:45,007 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:57:45,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:57:45,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1996777241, now seen corresponding path program 1 times [2019-10-07 07:57:45,007 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:57:45,007 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:57:45,007 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:57:45,008 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:57:45,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:57:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:57:45,487 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2019-10-07 07:57:45,487 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:57:45,487 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 07:57:45,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:57:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:57:48,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 6786 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 07:57:48,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 07:57:49,074 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 779 trivial. 0 not checked. [2019-10-07 07:57:49,075 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 07:57:49,456 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2019-10-07 07:57:49,457 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 07:57:49,457 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10 [2019-10-07 07:57:49,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:57:49,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:57:49,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-07 07:57:49,458 INFO L87 Difference]: Start difference. First operand 42104 states and 56178 transitions. Second operand 5 states. [2019-10-07 07:58:33,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:33,807 INFO L93 Difference]: Finished difference Result 81179 states and 108284 transitions. [2019-10-07 07:58:33,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:58:33,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2019-10-07 07:58:33,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:33,949 INFO L225 Difference]: With dead ends: 81179 [2019-10-07 07:58:33,949 INFO L226 Difference]: Without dead ends: 39129 [2019-10-07 07:58:34,029 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 456 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2019-10-07 07:58:34,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39129 states. [2019-10-07 07:58:35,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39129 to 39083. [2019-10-07 07:58:35,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39083 states. [2019-10-07 07:58:35,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39083 states to 39083 states and 51878 transitions. [2019-10-07 07:58:35,523 INFO L78 Accepts]: Start accepts. Automaton has 39083 states and 51878 transitions. Word has length 230 [2019-10-07 07:58:35,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:35,523 INFO L462 AbstractCegarLoop]: Abstraction has 39083 states and 51878 transitions. [2019-10-07 07:58:35,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:35,524 INFO L276 IsEmpty]: Start isEmpty. Operand 39083 states and 51878 transitions. [2019-10-07 07:58:35,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2019-10-07 07:58:35,527 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:35,527 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:35,728 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:58:35,729 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:58:35,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:35,730 INFO L82 PathProgramCache]: Analyzing trace with hash -990957015, now seen corresponding path program 1 times [2019-10-07 07:58:35,730 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:35,731 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:35,731 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:35,731 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:35,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:36,245 INFO L134 CoverageAnalysis]: Checked inductivity of 935 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2019-10-07 07:58:36,246 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:36,246 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:36,246 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:58:36,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:58:36,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:58:36,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:58:36,248 INFO L87 Difference]: Start difference. First operand 39083 states and 51878 transitions. Second operand 3 states. [2019-10-07 07:58:42,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:42,225 INFO L93 Difference]: Finished difference Result 105367 states and 139764 transitions. [2019-10-07 07:58:42,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:58:42,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2019-10-07 07:58:42,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:42,454 INFO L225 Difference]: With dead ends: 105367 [2019-10-07 07:58:42,455 INFO L226 Difference]: Without dead ends: 66338 [2019-10-07 07:58:42,534 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:58:42,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66338 states. [2019-10-07 07:58:45,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66338 to 66101. [2019-10-07 07:58:45,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66101 states. [2019-10-07 07:58:45,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66101 states to 66101 states and 87297 transitions. [2019-10-07 07:58:45,426 INFO L78 Accepts]: Start accepts. Automaton has 66101 states and 87297 transitions. Word has length 330 [2019-10-07 07:58:45,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:45,426 INFO L462 AbstractCegarLoop]: Abstraction has 66101 states and 87297 transitions. [2019-10-07 07:58:45,427 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:58:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 66101 states and 87297 transitions. [2019-10-07 07:58:45,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2019-10-07 07:58:45,433 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:45,433 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:45,433 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:58:45,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:45,434 INFO L82 PathProgramCache]: Analyzing trace with hash -488461960, now seen corresponding path program 1 times [2019-10-07 07:58:45,434 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:45,434 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:45,434 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:45,434 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:45,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:45,932 INFO L134 CoverageAnalysis]: Checked inductivity of 935 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2019-10-07 07:58:45,932 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:45,933 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:45,933 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:58:45,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:58:45,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:58:45,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:58:45,934 INFO L87 Difference]: Start difference. First operand 66101 states and 87297 transitions. Second operand 3 states. [2019-10-07 07:58:50,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:50,340 INFO L93 Difference]: Finished difference Result 168851 states and 223465 transitions. [2019-10-07 07:58:50,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:58:50,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 324 [2019-10-07 07:58:50,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:50,695 INFO L225 Difference]: With dead ends: 168851 [2019-10-07 07:58:50,695 INFO L226 Difference]: Without dead ends: 102804 [2019-10-07 07:58:50,809 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:58:50,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102804 states. [2019-10-07 07:58:58,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102804 to 102703. [2019-10-07 07:58:58,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102703 states. [2019-10-07 07:58:59,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102703 states to 102703 states and 135979 transitions. [2019-10-07 07:58:59,266 INFO L78 Accepts]: Start accepts. Automaton has 102703 states and 135979 transitions. Word has length 324 [2019-10-07 07:58:59,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:59,267 INFO L462 AbstractCegarLoop]: Abstraction has 102703 states and 135979 transitions. [2019-10-07 07:58:59,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:58:59,267 INFO L276 IsEmpty]: Start isEmpty. Operand 102703 states and 135979 transitions. [2019-10-07 07:58:59,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-10-07 07:58:59,274 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:59,274 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 4, 4, 4, 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] [2019-10-07 07:58:59,274 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:58:59,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:59,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1303414745, now seen corresponding path program 1 times [2019-10-07 07:58:59,275 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:59,275 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:59,275 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:59,275 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:59,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:59,804 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2019-10-07 07:58:59,804 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:59,805 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:59,805 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:59,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:59,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:59,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:59,806 INFO L87 Difference]: Start difference. First operand 102703 states and 135979 transitions. Second operand 5 states. [2019-10-07 07:59:04,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:04,526 INFO L93 Difference]: Finished difference Result 102709 states and 135984 transitions. [2019-10-07 07:59:04,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:59:04,526 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 239 [2019-10-07 07:59:04,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:04,845 INFO L225 Difference]: With dead ends: 102709 [2019-10-07 07:59:04,846 INFO L226 Difference]: Without dead ends: 102707 [2019-10-07 07:59:04,883 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:59:04,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102707 states. [2019-10-07 07:59:13,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102707 to 102707. [2019-10-07 07:59:13,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102707 states. [2019-10-07 07:59:14,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102707 states to 102707 states and 135982 transitions. [2019-10-07 07:59:14,237 INFO L78 Accepts]: Start accepts. Automaton has 102707 states and 135982 transitions. Word has length 239 [2019-10-07 07:59:14,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:14,238 INFO L462 AbstractCegarLoop]: Abstraction has 102707 states and 135982 transitions. [2019-10-07 07:59:14,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:14,238 INFO L276 IsEmpty]: Start isEmpty. Operand 102707 states and 135982 transitions. [2019-10-07 07:59:14,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-10-07 07:59:14,243 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:14,244 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 4, 4, 4, 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] [2019-10-07 07:59:14,244 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:59:14,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:14,244 INFO L82 PathProgramCache]: Analyzing trace with hash -842311074, now seen corresponding path program 1 times [2019-10-07 07:59:14,245 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:14,245 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:14,246 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:14,246 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:14,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:14,636 INFO L134 CoverageAnalysis]: Checked inductivity of 810 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2019-10-07 07:59:14,636 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:14,637 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:14,637 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:14,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:14,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:14,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:14,638 INFO L87 Difference]: Start difference. First operand 102707 states and 135982 transitions. Second operand 5 states. [2019-10-07 07:59:21,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:21,260 INFO L93 Difference]: Finished difference Result 102713 states and 135987 transitions. [2019-10-07 07:59:21,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:59:21,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 244 [2019-10-07 07:59:21,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:21,577 INFO L225 Difference]: With dead ends: 102713 [2019-10-07 07:59:21,577 INFO L226 Difference]: Without dead ends: 102711 [2019-10-07 07:59:21,612 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:59:21,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102711 states. [2019-10-07 07:59:25,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102711 to 102711. [2019-10-07 07:59:25,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102711 states. [2019-10-07 07:59:25,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102711 states to 102711 states and 135985 transitions. [2019-10-07 07:59:25,806 INFO L78 Accepts]: Start accepts. Automaton has 102711 states and 135985 transitions. Word has length 244 [2019-10-07 07:59:25,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:25,807 INFO L462 AbstractCegarLoop]: Abstraction has 102711 states and 135985 transitions. [2019-10-07 07:59:25,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:25,807 INFO L276 IsEmpty]: Start isEmpty. Operand 102711 states and 135985 transitions. [2019-10-07 07:59:25,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-10-07 07:59:25,813 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:25,813 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:59:25,814 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:59:25,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:25,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1967822151, now seen corresponding path program 1 times [2019-10-07 07:59:25,814 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:25,814 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:25,814 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:25,815 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:25,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:28,645 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 803 trivial. 0 not checked. [2019-10-07 07:59:28,645 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:28,645 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:28,646 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:28,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:28,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:28,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:28,648 INFO L87 Difference]: Start difference. First operand 102711 states and 135985 transitions. Second operand 5 states. [2019-10-07 07:59:31,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:31,940 INFO L93 Difference]: Finished difference Result 102717 states and 135990 transitions. [2019-10-07 07:59:31,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:59:31,941 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 249 [2019-10-07 07:59:31,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:32,238 INFO L225 Difference]: With dead ends: 102717 [2019-10-07 07:59:32,238 INFO L226 Difference]: Without dead ends: 102715 [2019-10-07 07:59:32,267 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:59:32,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102715 states. [2019-10-07 07:59:36,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102715 to 102715. [2019-10-07 07:59:36,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102715 states. [2019-10-07 07:59:36,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102715 states to 102715 states and 135988 transitions. [2019-10-07 07:59:36,874 INFO L78 Accepts]: Start accepts. Automaton has 102715 states and 135988 transitions. Word has length 249 [2019-10-07 07:59:36,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:36,874 INFO L462 AbstractCegarLoop]: Abstraction has 102715 states and 135988 transitions. [2019-10-07 07:59:36,874 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:36,875 INFO L276 IsEmpty]: Start isEmpty. Operand 102715 states and 135988 transitions. [2019-10-07 07:59:36,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-10-07 07:59:36,881 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:36,881 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:59:36,881 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:59:36,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:36,882 INFO L82 PathProgramCache]: Analyzing trace with hash 956003070, now seen corresponding path program 1 times [2019-10-07 07:59:36,882 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:36,882 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:36,882 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:36,882 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:36,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:37,291 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 811 trivial. 0 not checked. [2019-10-07 07:59:37,292 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:37,292 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:37,292 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:37,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:37,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:37,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:37,294 INFO L87 Difference]: Start difference. First operand 102715 states and 135988 transitions. Second operand 5 states. [2019-10-07 07:59:42,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:42,919 INFO L93 Difference]: Finished difference Result 102721 states and 135993 transitions. [2019-10-07 07:59:42,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:59:42,919 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 254 [2019-10-07 07:59:42,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:43,179 INFO L225 Difference]: With dead ends: 102721 [2019-10-07 07:59:43,180 INFO L226 Difference]: Without dead ends: 102719 [2019-10-07 07:59:43,210 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:59:43,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102719 states. [2019-10-07 07:59:49,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102719 to 102719. [2019-10-07 07:59:49,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102719 states. [2019-10-07 07:59:50,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102719 states to 102719 states and 135991 transitions. [2019-10-07 07:59:50,122 INFO L78 Accepts]: Start accepts. Automaton has 102719 states and 135991 transitions. Word has length 254 [2019-10-07 07:59:50,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:50,123 INFO L462 AbstractCegarLoop]: Abstraction has 102719 states and 135991 transitions. [2019-10-07 07:59:50,123 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:50,123 INFO L276 IsEmpty]: Start isEmpty. Operand 102719 states and 135991 transitions. [2019-10-07 07:59:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-10-07 07:59:50,128 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:50,129 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 5, 4, 4, 4, 4, 4, 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] [2019-10-07 07:59:50,129 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:59:50,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:50,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1558846055, now seen corresponding path program 1 times [2019-10-07 07:59:50,130 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:50,130 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:50,130 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:50,130 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:50,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:50,581 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 823 trivial. 0 not checked. [2019-10-07 07:59:50,581 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:50,581 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:50,581 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:50,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:50,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:50,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:50,588 INFO L87 Difference]: Start difference. First operand 102719 states and 135991 transitions. Second operand 5 states. [2019-10-07 07:59:54,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:54,686 INFO L93 Difference]: Finished difference Result 102725 states and 135996 transitions. [2019-10-07 07:59:54,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:59:54,687 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 259 [2019-10-07 07:59:54,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:54,968 INFO L225 Difference]: With dead ends: 102725 [2019-10-07 07:59:54,968 INFO L226 Difference]: Without dead ends: 102723 [2019-10-07 07:59:55,001 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:59:55,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102723 states. [2019-10-07 07:59:59,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102723 to 102723. [2019-10-07 07:59:59,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102723 states. [2019-10-07 07:59:59,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102723 states to 102723 states and 135994 transitions. [2019-10-07 07:59:59,893 INFO L78 Accepts]: Start accepts. Automaton has 102723 states and 135994 transitions. Word has length 259 [2019-10-07 07:59:59,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:59,893 INFO L462 AbstractCegarLoop]: Abstraction has 102723 states and 135994 transitions. [2019-10-07 07:59:59,893 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:59,894 INFO L276 IsEmpty]: Start isEmpty. Operand 102723 states and 135994 transitions. [2019-10-07 07:59:59,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-10-07 07:59:59,900 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:59,900 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 6, 5, 5, 4, 4, 4, 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] [2019-10-07 07:59:59,901 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:59:59,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:59,901 INFO L82 PathProgramCache]: Analyzing trace with hash 172946334, now seen corresponding path program 1 times [2019-10-07 07:59:59,901 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:59,901 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:59,902 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:59,902 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:59,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:00:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:00:00,822 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 839 trivial. 0 not checked. [2019-10-07 08:00:00,822 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:00:00,823 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:00:00,823 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 08:00:00,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 08:00:00,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 08:00:00,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:00:00,824 INFO L87 Difference]: Start difference. First operand 102723 states and 135994 transitions. Second operand 5 states. [2019-10-07 08:00:05,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:00:05,070 INFO L93 Difference]: Finished difference Result 102729 states and 135999 transitions. [2019-10-07 08:00:05,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 08:00:05,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 264 [2019-10-07 08:00:05,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:00:05,325 INFO L225 Difference]: With dead ends: 102729 [2019-10-07 08:00:05,325 INFO L226 Difference]: Without dead ends: 102727 [2019-10-07 08:00:05,353 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 08:00:05,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102727 states. [2019-10-07 08:00:12,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102727 to 102727. [2019-10-07 08:00:12,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102727 states. [2019-10-07 08:00:12,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102727 states to 102727 states and 135997 transitions. [2019-10-07 08:00:12,927 INFO L78 Accepts]: Start accepts. Automaton has 102727 states and 135997 transitions. Word has length 264 [2019-10-07 08:00:12,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:00:12,928 INFO L462 AbstractCegarLoop]: Abstraction has 102727 states and 135997 transitions. [2019-10-07 08:00:12,928 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 08:00:12,928 INFO L276 IsEmpty]: Start isEmpty. Operand 102727 states and 135997 transitions. [2019-10-07 08:00:12,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-10-07 08:00:12,936 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:00:12,936 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 8, 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, 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] [2019-10-07 08:00:12,936 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:00:12,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:00:12,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1338471394, now seen corresponding path program 1 times [2019-10-07 08:00:12,937 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:00:12,937 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:00:12,938 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:00:12,938 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:00:12,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:00:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:00:13,388 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 941 trivial. 0 not checked. [2019-10-07 08:00:13,388 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:00:13,389 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:00:13,389 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 08:00:13,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 08:00:13,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 08:00:13,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-07 08:00:13,390 INFO L87 Difference]: Start difference. First operand 102727 states and 135997 transitions. Second operand 8 states. [2019-10-07 08:01:30,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:01:30,958 INFO L93 Difference]: Finished difference Result 289488 states and 385377 transitions. [2019-10-07 08:01:30,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 08:01:30,959 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 347 [2019-10-07 08:01:30,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:01:31,505 INFO L225 Difference]: With dead ends: 289488 [2019-10-07 08:01:31,505 INFO L226 Difference]: Without dead ends: 186815 [2019-10-07 08:01:31,674 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-10-07 08:01:32,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186815 states. [2019-10-07 08:01:47,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186815 to 186357. [2019-10-07 08:01:47,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186357 states. [2019-10-07 08:01:48,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186357 states to 186357 states and 248374 transitions. [2019-10-07 08:01:48,570 INFO L78 Accepts]: Start accepts. Automaton has 186357 states and 248374 transitions. Word has length 347 [2019-10-07 08:01:48,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:01:48,570 INFO L462 AbstractCegarLoop]: Abstraction has 186357 states and 248374 transitions. [2019-10-07 08:01:48,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 08:01:48,570 INFO L276 IsEmpty]: Start isEmpty. Operand 186357 states and 248374 transitions. [2019-10-07 08:01:48,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-10-07 08:01:48,579 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:01:48,579 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 7, 6, 6, 4, 4, 4, 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] [2019-10-07 08:01:48,579 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:01:48,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:01:48,580 INFO L82 PathProgramCache]: Analyzing trace with hash 724826233, now seen corresponding path program 1 times [2019-10-07 08:01:48,580 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:01:48,580 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:01:48,580 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:01:48,580 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:01:48,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:01:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:01:48,980 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2019-10-07 08:01:48,981 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:01:48,981 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:01:48,981 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 08:01:48,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 08:01:48,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 08:01:48,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:01:48,982 INFO L87 Difference]: Start difference. First operand 186357 states and 248374 transitions. Second operand 5 states. [2019-10-07 08:02:00,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:02:00,540 INFO L93 Difference]: Finished difference Result 186363 states and 248379 transitions. [2019-10-07 08:02:00,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 08:02:00,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 269 [2019-10-07 08:02:00,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:02:01,091 INFO L225 Difference]: With dead ends: 186363 [2019-10-07 08:02:01,091 INFO L226 Difference]: Without dead ends: 186361 [2019-10-07 08:02:01,145 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 08:02:01,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186361 states. [2019-10-07 08:02:10,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186361 to 186361. [2019-10-07 08:02:10,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186361 states. [2019-10-07 08:02:11,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186361 states to 186361 states and 248377 transitions. [2019-10-07 08:02:11,506 INFO L78 Accepts]: Start accepts. Automaton has 186361 states and 248377 transitions. Word has length 269 [2019-10-07 08:02:11,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:02:11,507 INFO L462 AbstractCegarLoop]: Abstraction has 186361 states and 248377 transitions. [2019-10-07 08:02:11,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 08:02:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 186361 states and 248377 transitions. [2019-10-07 08:02:11,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2019-10-07 08:02:11,517 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:02:11,517 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 8, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:02:11,518 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:02:11,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:02:11,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1344578926, now seen corresponding path program 1 times [2019-10-07 08:02:11,518 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:02:11,518 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:02:11,518 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:02:11,518 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:02:11,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:02:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:02:11,981 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2019-10-07 08:02:11,981 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:02:11,981 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:02:11,982 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 08:02:11,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 08:02:11,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 08:02:11,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:02:11,983 INFO L87 Difference]: Start difference. First operand 186361 states and 248377 transitions. Second operand 5 states. [2019-10-07 08:03:09,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:03:09,738 INFO L93 Difference]: Finished difference Result 546419 states and 729623 transitions. [2019-10-07 08:03:09,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 08:03:09,741 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 357 [2019-10-07 08:03:09,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:03:10,960 INFO L225 Difference]: With dead ends: 546419 [2019-10-07 08:03:10,960 INFO L226 Difference]: Without dead ends: 360114 [2019-10-07 08:03:11,312 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 08:03:12,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360114 states. [2019-10-07 08:03:45,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360114 to 359235. [2019-10-07 08:03:45,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359235 states. [2019-10-07 08:03:46,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359235 states to 359235 states and 479823 transitions. [2019-10-07 08:03:46,968 INFO L78 Accepts]: Start accepts. Automaton has 359235 states and 479823 transitions. Word has length 357 [2019-10-07 08:03:46,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:03:46,969 INFO L462 AbstractCegarLoop]: Abstraction has 359235 states and 479823 transitions. [2019-10-07 08:03:46,969 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 08:03:46,969 INFO L276 IsEmpty]: Start isEmpty. Operand 359235 states and 479823 transitions. [2019-10-07 08:03:46,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2019-10-07 08:03:46,980 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:03:46,980 INFO L385 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 8, 7, 7, 4, 4, 4, 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] [2019-10-07 08:03:46,980 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:03:46,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:03:46,981 INFO L82 PathProgramCache]: Analyzing trace with hash 446946366, now seen corresponding path program 1 times [2019-10-07 08:03:46,981 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:03:46,981 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:03:46,981 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:03:46,981 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:03:46,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:03:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:03:48,247 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2019-10-07 08:03:48,248 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:03:48,248 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:03:48,248 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 08:03:48,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 08:03:48,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 08:03:48,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:03:48,249 INFO L87 Difference]: Start difference. First operand 359235 states and 479823 transitions. Second operand 5 states. [2019-10-07 08:04:09,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:04:09,977 INFO L93 Difference]: Finished difference Result 361246 states and 481064 transitions. [2019-10-07 08:04:09,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 08:04:09,977 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 274 [2019-10-07 08:04:09,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:04:11,125 INFO L225 Difference]: With dead ends: 361246 [2019-10-07 08:04:11,125 INFO L226 Difference]: Without dead ends: 361244 [2019-10-07 08:04:11,242 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 08:04:11,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361244 states.