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-smsc75xx.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 07:52:26,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 07:52:26,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 07:52:26,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 07:52:26,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 07:52:26,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 07:52:26,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 07:52:26,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 07:52:26,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 07:52:26,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 07:52:26,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 07:52:26,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 07:52:26,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 07:52:26,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 07:52:26,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 07:52:26,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 07:52:26,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 07:52:26,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 07:52:26,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 07:52:26,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 07:52:26,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 07:52:26,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 07:52:26,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 07:52:26,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 07:52:26,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 07:52:26,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 07:52:26,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 07:52:26,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 07:52:26,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 07:52:26,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 07:52:26,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 07:52:26,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 07:52:26,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 07:52:26,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 07:52:26,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 07:52:26,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 07:52:26,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 07:52:26,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 07:52:26,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 07:52:26,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 07:52:26,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 07:52:26,745 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 07:52:26,759 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 07:52:26,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 07:52:26,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 07:52:26,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 07:52:26,761 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 07:52:26,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 07:52:26,761 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 07:52:26,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 07:52:26,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 07:52:26,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 07:52:26,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 07:52:26,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 07:52:26,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 07:52:26,763 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 07:52:26,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 07:52:26,763 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 07:52:26,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 07:52:26,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 07:52:26,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 07:52:26,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 07:52:26,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 07:52:26,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 07:52:26,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 07:52:26,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 07:52:26,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 07:52:26,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 07:52:26,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 07:52:26,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 07:52:26,766 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 07:52:27,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 07:52:27,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 07:52:27,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 07:52:27,094 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 07:52:27,095 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 07:52:27,095 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2019-10-07 07:52:27,179 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fdaa8131/3a4df55626b7409faee2986b90463f52/FLAG166691139 [2019-10-07 07:52:28,067 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 07:52:28,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2019-10-07 07:52:28,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fdaa8131/3a4df55626b7409faee2986b90463f52/FLAG166691139 [2019-10-07 07:52:28,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fdaa8131/3a4df55626b7409faee2986b90463f52 [2019-10-07 07:52:28,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 07:52:28,523 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 07:52:28,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 07:52:28,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 07:52:28,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 07:52:28,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 07:52:28" (1/1) ... [2019-10-07 07:52:28,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16746fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:28, skipping insertion in model container [2019-10-07 07:52:28,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 07:52:28" (1/1) ... [2019-10-07 07:52:28,544 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 07:52:28,765 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 07:52:32,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 07:52:32,413 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 07:52:32,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 07:52:33,598 INFO L192 MainTranslator]: Completed translation [2019-10-07 07:52:33,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:33 WrapperNode [2019-10-07 07:52:33,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 07:52:33,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 07:52:33,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 07:52:33,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 07:52:33,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:33" (1/1) ... [2019-10-07 07:52:33,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:33" (1/1) ... [2019-10-07 07:52:33,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:33" (1/1) ... [2019-10-07 07:52:33,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:33" (1/1) ... [2019-10-07 07:52:33,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:33" (1/1) ... [2019-10-07 07:52:33,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:33" (1/1) ... [2019-10-07 07:52:34,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:33" (1/1) ... [2019-10-07 07:52:34,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 07:52:34,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 07:52:34,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 07:52:34,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 07:52:34,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:33" (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 07:52:34,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 07:52:34,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 07:52:34,208 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 07:52:34,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-07 07:52:34,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 07:52:34,210 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 07:52:34,211 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-07 07:52:34,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-07 07:52:34,212 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 07:52:34,212 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 07:52:34,212 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-07 07:52:34,213 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-07 07:52:34,214 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-07 07:52:34,214 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2019-10-07 07:52:34,214 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2019-10-07 07:52:34,214 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-10-07 07:52:34,217 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2019-10-07 07:52:34,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2019-10-07 07:52:34,217 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-07 07:52:34,218 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-07 07:52:34,218 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-10-07 07:52:34,218 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-07 07:52:34,218 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2019-10-07 07:52:34,218 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2019-10-07 07:52:34,218 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2019-10-07 07:52:34,219 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2019-10-07 07:52:34,219 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2019-10-07 07:52:34,219 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-10-07 07:52:34,219 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_resolve_flowctrl_fdx [2019-10-07 07:52:34,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_read_reg [2019-10-07 07:52:34,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_write_reg [2019-10-07 07:52:34,220 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_reg_nopm [2019-10-07 07:52:34,220 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_reg_nopm [2019-10-07 07:52:34,220 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_reg [2019-10-07 07:52:34,220 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_reg [2019-10-07 07:52:34,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_phy_wait_not_busy [2019-10-07 07:52:34,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_mdio_read [2019-10-07 07:52:34,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_mdio_write [2019-10-07 07:52:34,221 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_read_nopm [2019-10-07 07:52:34,221 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_write_nopm [2019-10-07 07:52:34,221 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_read [2019-10-07 07:52:34,221 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_write [2019-10-07 07:52:34,221 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_wait_eeprom [2019-10-07 07:52:34,221 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_eeprom_confirm_not_busy [2019-10-07 07:52:34,221 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_eeprom [2019-10-07 07:52:34,222 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_eeprom [2019-10-07 07:52:34,222 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_dataport_wait_not_busy [2019-10-07 07:52:34,222 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_dataport_write [2019-10-07 07:52:34,222 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_hash [2019-10-07 07:52:34,222 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_deferred_multicast_write [2019-10-07 07:52:34,222 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_multicast [2019-10-07 07:52:34,222 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_update_flowcontrol [2019-10-07 07:52:34,223 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_link_reset [2019-10-07 07:52:34,223 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_status [2019-10-07 07:52:34,223 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_ethtool_get_eeprom_len [2019-10-07 07:52:34,223 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_ethtool_get_eeprom [2019-10-07 07:52:34,223 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_ethtool_set_eeprom [2019-10-07 07:52:34,223 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_ethtool_get_wol [2019-10-07 07:52:34,224 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_ethtool_set_wol [2019-10-07 07:52:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_ioctl [2019-10-07 07:52:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_init_mac_address [2019-10-07 07:52:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_mac_address [2019-10-07 07:52:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_phy_initialize [2019-10-07 07:52:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_rx_max_frame_length [2019-10-07 07:52:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_change_mtu [2019-10-07 07:52:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_features [2019-10-07 07:52:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_wait_ready [2019-10-07 07:52:34,227 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_reset [2019-10-07 07:52:34,227 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_bind [2019-10-07 07:52:34,227 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_unbind [2019-10-07 07:52:34,227 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc_crc [2019-10-07 07:52:34,227 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_wuff [2019-10-07 07:52:34,227 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enter_suspend0 [2019-10-07 07:52:34,228 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enter_suspend1 [2019-10-07 07:52:34,228 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enter_suspend2 [2019-10-07 07:52:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enter_suspend3 [2019-10-07 07:52:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enable_phy_wakeup_interrupts [2019-10-07 07:52:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_link_ok_nopm [2019-10-07 07:52:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_autosuspend [2019-10-07 07:52:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_suspend [2019-10-07 07:52:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_resume [2019-10-07 07:52:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_rx_csum_offload [2019-10-07 07:52:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_rx_fixup [2019-10-07 07:52:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_tx_fixup [2019-10-07 07:52:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_manage_power [2019-10-07 07:52:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_driver_init [2019-10-07 07:52:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_driver_exit [2019-10-07 07:52:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc75xx_driver_exit_6_2 [2019-10-07 07:52:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_smsc75xx_driver_init_6_11 [2019-10-07 07:52:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-10-07 07:52:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_4_1 [2019-10-07 07:52:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_3_6_4 [2019-10-07 07:52:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_4_6_5 [2019-10-07 07:52:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_3_2 [2019-10-07 07:52:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_3_3 [2019-10-07 07:52:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_5_2 [2019-10-07 07:52:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_3_6_6 [2019-10-07 07:52:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_4_6_7 [2019-10-07 07:52:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_10 [2019-10-07 07:52:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_11 [2019-10-07 07:52:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_12 [2019-10-07 07:52:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_13 [2019-10-07 07:52:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_14 [2019-10-07 07:52:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_15 [2019-10-07 07:52:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_18 [2019-10-07 07:52:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_21 [2019-10-07 07:52:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_22 [2019-10-07 07:52:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_25 [2019-10-07 07:52:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_26 [2019-10-07 07:52:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_27 [2019-10-07 07:52:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_28 [2019-10-07 07:52:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_29 [2019-10-07 07:52:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-10-07 07:52:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_30 [2019-10-07 07:52:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_31 [2019-10-07 07:52:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_32 [2019-10-07 07:52:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_35 [2019-10-07 07:52:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_38 [2019-10-07 07:52:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_39 [2019-10-07 07:52:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_7 [2019-10-07 07:52:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_11 [2019-10-07 07:52:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-10-07 07:52:34,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_13 [2019-10-07 07:52:34,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_14 [2019-10-07 07:52:34,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_17 [2019-10-07 07:52:34,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 07:52:34,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-10-07 07:52:34,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_8 [2019-10-07 07:52:34,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_6 [2019-10-07 07:52:34,239 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 07:52:34,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-10-07 07:52:34,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_0 [2019-10-07 07:52:34,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_driver_info_dummy_resourceless_instance_1 [2019-10-07 07:52:34,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-10-07 07:52:34,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-10-07 07:52:34,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2019-10-07 07:52:34,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-10-07 07:52:34,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_5 [2019-10-07 07:52:34,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-10-07 07:52:34,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2019-10-07 07:52:34,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_1 [2019-10-07 07:52:34,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_15 [2019-10-07 07:52:34,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-10-07 07:52:34,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_4 [2019-10-07 07:52:34,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister [2019-10-07 07:52:34,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_dummy_factory_3 [2019-10-07 07:52:34,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_callback_2_6 [2019-10-07 07:52:34,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_post_2_9 [2019-10-07 07:52:34,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_pre_2_10 [2019-10-07 07:52:34,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_probe_2_13 [2019-10-07 07:52:34,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2019-10-07 07:52:34,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_resume_2_7 [2019-10-07 07:52:34,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_suspend_2_8 [2019-10-07 07:52:34,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver [2019-10-07 07:52:34,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_usb_instance_2 [2019-10-07 07:52:34,256 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 07:52:34,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_58 [2019-10-07 07:52:34,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_60 [2019-10-07 07:52:34,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2019-10-07 07:52:34,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_62 [2019-10-07 07:52:34,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_64 [2019-10-07 07:52:34,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_65 [2019-10-07 07:52:34,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-07 07:52:34,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-07 07:52:34,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-07 07:52:34,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 07:52:34,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 07:52:34,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 07:52:34,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 07:52:34,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-07 07:52:34,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-07 07:52:34,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-07 07:52:34,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-07 07:52:34,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-07 07:52:34,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-07 07:52:34,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 07:52:34,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 07:52:34,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 07:52:34,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 07:52:34,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-07 07:52:34,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 07:52:34,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-07 07:52:34,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-07 07:52:34,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-07 07:52:34,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-07 07:52:34,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-07 07:52:34,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-07 07:52:34,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-07 07:52:34,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 07:52:34,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 07:52:34,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 07:52:34,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-07 07:52:34,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-07 07:52:34,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-07 07:52:34,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-07 07:52:34,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-07 07:52:34,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-07 07:52:34,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-07 07:52:34,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-07 07:52:34,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-07 07:52:34,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-07 07:52:34,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-07 07:52:34,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-07 07:52:34,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-07 07:52:34,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-07 07:52:34,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-07 07:52:34,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-07 07:52:34,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-07 07:52:34,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-07 07:52:34,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-07 07:52:34,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-07 07:52:34,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-07 07:52:34,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-07 07:52:34,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-07 07:52:34,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-07 07:52:34,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-07 07:52:34,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-07 07:52:34,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-07 07:52:34,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-07 07:52:34,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-07 07:52:34,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-07 07:52:34,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-10-07 07:52:34,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-07 07:52:34,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-07 07:52:34,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-07 07:52:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-07 07:52:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-07 07:52:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-07 07:52:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-07 07:52:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-10-07 07:52:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-10-07 07:52:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-10-07 07:52:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-10-07 07:52:34,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-10-07 07:52:34,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-10-07 07:52:34,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-10-07 07:52:34,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-10-07 07:52:34,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:34,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:34,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:34,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:34,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:34,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:34,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:34,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:34,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-07 07:52:34,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-07 07:52:34,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-07 07:52:34,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-07 07:52:34,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-07 07:52:34,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-07 07:52:34,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-07 07:52:34,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-07 07:52:34,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-07 07:52:34,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-07 07:52:34,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-07 07:52:34,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-07 07:52:34,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-07 07:52:34,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-07 07:52:34,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-07 07:52:34,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-07 07:52:34,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-10-07 07:52:34,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-10-07 07:52:34,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-10-07 07:52:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-10-07 07:52:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-10-07 07:52:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-10-07 07:52:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-10-07 07:52:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-10-07 07:52:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rfe_ctl_lock_of_smsc75xx_priv [2019-10-07 07:52:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rfe_ctl_lock_of_smsc75xx_priv [2019-10-07 07:52:34,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_rfe_ctl_lock_of_smsc75xx_priv [2019-10-07 07:52:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_rfe_ctl_lock_of_smsc75xx_priv [2019-10-07 07:52:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_rfe_ctl_lock_of_smsc75xx_priv [2019-10-07 07:52:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_rfe_ctl_lock_of_smsc75xx_priv [2019-10-07 07:52:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_rfe_ctl_lock_of_smsc75xx_priv [2019-10-07 07:52:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_rfe_ctl_lock_of_smsc75xx_priv [2019-10-07 07:52:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-07 07:52:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-07 07:52:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-07 07:52:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-07 07:52:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-07 07:52:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-07 07:52:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-07 07:52:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-07 07:52:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-07 07:52:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-07 07:52:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-07 07:52:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-07 07:52:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-07 07:52:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-07 07:52:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-07 07:52:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-07 07:52:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 07:52:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-10-07 07:52:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-07 07:52:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-07 07:52:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-07 07:52:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-07 07:52:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-07 07:52:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-10-07 07:52:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-07 07:52:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-07 07:52:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2019-10-07 07:52:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 07:52:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 07:52:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 07:52:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev16 [2019-10-07 07:52:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2019-10-07 07:52:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure crc16 [2019-10-07 07:52:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-07 07:52:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2019-10-07 07:52:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-07 07:52:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-07 07:52:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-07 07:52:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2019-10-07 07:52:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2019-10-07 07:52:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-07 07:52:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-07 07:52:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 07:52:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 07:52:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2019-10-07 07:52:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_usb_register_driver [2019-10-07 07:52:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-07 07:52:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2019-10-07 07:52:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2019-10-07 07:52:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2019-10-07 07:52:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-07 07:52:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-07 07:52:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 07:52:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-07 07:52:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-07 07:52:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 07:52:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-07 07:52:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2019-10-07 07:52:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2019-10-07 07:52:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-07 07:52:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-07 07:52:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-07 07:52:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-07 07:52:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-07 07:52:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_change_mtu [2019-10-07 07:52:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_defer_kevent [2019-10-07 07:52:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2019-10-07 07:52:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_drvinfo [2019-10-07 07:52:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2019-10-07 07:52:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_link [2019-10-07 07:52:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_msglevel [2019-10-07 07:52:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_settings [2019-10-07 07:52:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2019-10-07 07:52:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2019-10-07 07:52:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2019-10-07 07:52:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2019-10-07 07:52:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_msglevel [2019-10-07 07:52:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_settings [2019-10-07 07:52:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2019-10-07 07:52:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_start_xmit [2019-10-07 07:52:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2019-10-07 07:52:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2019-10-07 07:52:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2019-10-07 07:52:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 07:52:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 07:52:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 07:52:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 07:52:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 07:52:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 07:52:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-07 07:52:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-07 07:52:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 07:52:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 07:52:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-07 07:52:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 07:52:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-07 07:52:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 07:52:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-07 07:52:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 07:52:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-07 07:52:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2019-10-07 07:52:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_60 [2019-10-07 07:52:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_62 [2019-10-07 07:52:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rfe_ctl_lock_of_smsc75xx_priv [2019-10-07 07:52:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rfe_ctl_lock_of_smsc75xx_priv [2019-10-07 07:52:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 07:52:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-07 07:52:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2019-10-07 07:52:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-07 07:52:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_usb_register_driver [2019-10-07 07:52:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 07:52:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-07 07:52:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 07:52:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 07:52:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-07 07:52:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-07 07:52:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-07 07:52:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 07:52:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-07 07:52:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 07:52:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 07:52:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 07:52:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 07:52:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 07:52:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2019-10-07 07:52:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-07 07:52:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-07 07:52:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-07 07:52:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-07 07:52:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2019-10-07 07:52:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_58 [2019-10-07 07:52:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-07 07:52:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-07 07:52:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2019-10-07 07:52:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 07:52:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 07:52:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2019-10-07 07:52:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2019-10-07 07:52:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-07 07:52:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 07:52:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2019-10-07 07:52:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 07:52:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2019-10-07 07:52:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-07 07:52:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-07 07:52:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-10-07 07:52:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-07 07:52:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2019-10-07 07:52:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2019-10-07 07:52:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-07 07:52:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-07 07:52:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-10-07 07:52:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-10-07 07:52:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-07 07:52:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-07 07:52:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-07 07:52:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-07 07:52:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_64 [2019-10-07 07:52:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-07 07:52:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_65 [2019-10-07 07:52:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-07 07:52:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-07 07:52:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2019-10-07 07:52:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2019-10-07 07:52:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2019-10-07 07:52:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2019-10-07 07:52:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2019-10-07 07:52:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2019-10-07 07:52:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2019-10-07 07:52:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2019-10-07 07:52:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2019-10-07 07:52:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-10-07 07:52:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure mii_resolve_flowctrl_fdx [2019-10-07 07:52:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev16 [2019-10-07 07:52:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2019-10-07 07:52:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure crc16 [2019-10-07 07:52:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-07 07:52:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2019-10-07 07:52:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2019-10-07 07:52:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2019-10-07 07:52:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2019-10-07 07:52:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd [2019-10-07 07:52:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd [2019-10-07 07:52:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd_nopm [2019-10-07 07:52:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_nopm [2019-10-07 07:52:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2019-10-07 07:52:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2019-10-07 07:52:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_start_xmit [2019-10-07 07:52:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2019-10-07 07:52:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_change_mtu [2019-10-07 07:52:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2019-10-07 07:52:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_defer_kevent [2019-10-07 07:52:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2019-10-07 07:52:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_settings [2019-10-07 07:52:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_settings [2019-10-07 07:52:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_link [2019-10-07 07:52:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_msglevel [2019-10-07 07:52:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_msglevel [2019-10-07 07:52:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_drvinfo [2019-10-07 07:52:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2019-10-07 07:52:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_read_reg [2019-10-07 07:52:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 07:52:34,311 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 07:52:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 07:52:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_write_reg [2019-10-07 07:52:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_reg_nopm [2019-10-07 07:52:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_reg_nopm [2019-10-07 07:52:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_reg [2019-10-07 07:52:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_reg [2019-10-07 07:52:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_phy_wait_not_busy [2019-10-07 07:52:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_mdio_read [2019-10-07 07:52:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_mdio_write [2019-10-07 07:52:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_read_nopm [2019-10-07 07:52:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_write_nopm [2019-10-07 07:52:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_read [2019-10-07 07:52:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_write [2019-10-07 07:52:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_wait_eeprom [2019-10-07 07:52:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_eeprom_confirm_not_busy [2019-10-07 07:52:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_eeprom [2019-10-07 07:52:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_eeprom [2019-10-07 07:52:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_dataport_wait_not_busy [2019-10-07 07:52:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_dataport_write [2019-10-07 07:52:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_hash [2019-10-07 07:52:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_deferred_multicast_write [2019-10-07 07:52:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_multicast [2019-10-07 07:52:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_update_flowcontrol [2019-10-07 07:52:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_link_reset [2019-10-07 07:52:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_status [2019-10-07 07:52:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 07:52:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_ethtool_get_eeprom_len [2019-10-07 07:52:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_ethtool_get_eeprom [2019-10-07 07:52:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_ethtool_set_eeprom [2019-10-07 07:52:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_ethtool_get_wol [2019-10-07 07:52:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_ethtool_set_wol [2019-10-07 07:52:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_ioctl [2019-10-07 07:52:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_init_mac_address [2019-10-07 07:52:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_mac_address [2019-10-07 07:52:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_phy_initialize [2019-10-07 07:52:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_rx_max_frame_length [2019-10-07 07:52:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_change_mtu [2019-10-07 07:52:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_features [2019-10-07 07:52:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_wait_ready [2019-10-07 07:52:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_reset [2019-10-07 07:52:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_bind [2019-10-07 07:52:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_unbind [2019-10-07 07:52:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure smsc_crc [2019-10-07 07:52:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_wuff [2019-10-07 07:52:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enter_suspend0 [2019-10-07 07:52:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enter_suspend1 [2019-10-07 07:52:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enter_suspend2 [2019-10-07 07:52:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enter_suspend3 [2019-10-07 07:52:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enable_phy_wakeup_interrupts [2019-10-07 07:52:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_link_ok_nopm [2019-10-07 07:52:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_autosuspend [2019-10-07 07:52:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_suspend [2019-10-07 07:52:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_resume [2019-10-07 07:52:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_rx_csum_offload [2019-10-07 07:52:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_rx_fixup [2019-10-07 07:52:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_tx_fixup [2019-10-07 07:52:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_manage_power [2019-10-07 07:52:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_driver_init [2019-10-07 07:52:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_driver_exit [2019-10-07 07:52:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc75xx_driver_exit_6_2 [2019-10-07 07:52:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_smsc75xx_driver_init_6_11 [2019-10-07 07:52:34,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-10-07 07:52:34,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_4_1 [2019-10-07 07:52:34,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_3_6_4 [2019-10-07 07:52:34,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_4_6_5 [2019-10-07 07:52:34,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_3_2 [2019-10-07 07:52:34,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_3_3 [2019-10-07 07:52:34,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_5_2 [2019-10-07 07:52:34,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_3_6_6 [2019-10-07 07:52:34,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_4_6_7 [2019-10-07 07:52:34,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_10 [2019-10-07 07:52:34,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_11 [2019-10-07 07:52:34,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_12 [2019-10-07 07:52:34,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_13 [2019-10-07 07:52:34,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_14 [2019-10-07 07:52:34,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_15 [2019-10-07 07:52:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_18 [2019-10-07 07:52:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_21 [2019-10-07 07:52:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_22 [2019-10-07 07:52:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_25 [2019-10-07 07:52:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_26 [2019-10-07 07:52:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_27 [2019-10-07 07:52:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_28 [2019-10-07 07:52:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_29 [2019-10-07 07:52:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-10-07 07:52:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_30 [2019-10-07 07:52:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_31 [2019-10-07 07:52:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_32 [2019-10-07 07:52:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_35 [2019-10-07 07:52:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_38 [2019-10-07 07:52:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_39 [2019-10-07 07:52:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_7 [2019-10-07 07:52:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_11 [2019-10-07 07:52:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-10-07 07:52:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_13 [2019-10-07 07:52:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_14 [2019-10-07 07:52:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_17 [2019-10-07 07:52:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 07:52:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-10-07 07:52:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_8 [2019-10-07 07:52:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_6 [2019-10-07 07:52:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 07:52:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-10-07 07:52:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_0 [2019-10-07 07:52:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_driver_info_dummy_resourceless_instance_1 [2019-10-07 07:52:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-10-07 07:52:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-10-07 07:52:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2019-10-07 07:52:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-10-07 07:52:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_5 [2019-10-07 07:52:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-10-07 07:52:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2019-10-07 07:52:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_1 [2019-10-07 07:52:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_15 [2019-10-07 07:52:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-10-07 07:52:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_4 [2019-10-07 07:52:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister [2019-10-07 07:52:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_dummy_factory_3 [2019-10-07 07:52:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_callback_2_6 [2019-10-07 07:52:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_post_2_9 [2019-10-07 07:52:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_pre_2_10 [2019-10-07 07:52:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_probe_2_13 [2019-10-07 07:52:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2019-10-07 07:52:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_resume_2_7 [2019-10-07 07:52:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_suspend_2_8 [2019-10-07 07:52:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver [2019-10-07 07:52:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_usb_instance_2 [2019-10-07 07:52:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-07 07:52:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-07 07:52:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-07 07:52:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 07:52:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-07 07:52:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 07:52:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 07:52:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 07:52:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 07:52:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-07 07:52:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-07 07:52:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 07:52:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-07 07:52:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-07 07:52:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 07:52:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 07:52:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-07 07:52:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-07 07:52:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-07 07:52:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-07 07:52:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-07 07:52:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 07:52:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 07:52:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 07:52:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 07:52:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 07:52:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 07:52:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 07:52:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 07:52:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 07:52:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-07 07:52:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-07 07:52:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 07:52:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 07:52:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 07:52:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-07 07:52:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-07 07:52:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-07 07:52:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-07 07:52:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 07:52:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-07 07:52:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-07 07:52:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-07 07:52:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-07 07:52:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-07 07:52:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-07 07:52:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-07 07:52:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-07 07:52:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-07 07:52:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-07 07:52:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-07 07:52:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-07 07:52:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-07 07:52:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-07 07:52:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-07 07:52:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-07 07:52:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-07 07:52:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-07 07:52:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-07 07:52:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-07 07:52:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-07 07:52:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-07 07:52:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-07 07:52:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-07 07:52:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-07 07:52:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-07 07:52:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-07 07:52:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-07 07:52:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-10-07 07:52:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-07 07:52:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-07 07:52:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-07 07:52:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-07 07:52:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-07 07:52:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-07 07:52:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-07 07:52:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-10-07 07:52:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-10-07 07:52:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-10-07 07:52:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-10-07 07:52:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-10-07 07:52:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-10-07 07:52:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-10-07 07:52:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-10-07 07:52:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:52:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-07 07:52:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-07 07:52:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-07 07:52:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-07 07:52:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-07 07:52:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-07 07:52:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-07 07:52:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-07 07:52:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-07 07:52:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-07 07:52:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-07 07:52:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-07 07:52:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-07 07:52:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-07 07:52:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-07 07:52:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-07 07:52:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-10-07 07:52:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-10-07 07:52:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-10-07 07:52:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-10-07 07:52:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-10-07 07:52:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-10-07 07:52:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-10-07 07:52:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-10-07 07:52:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_rfe_ctl_lock_of_smsc75xx_priv [2019-10-07 07:52:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_rfe_ctl_lock_of_smsc75xx_priv [2019-10-07 07:52:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_rfe_ctl_lock_of_smsc75xx_priv [2019-10-07 07:52:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_rfe_ctl_lock_of_smsc75xx_priv [2019-10-07 07:52:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_rfe_ctl_lock_of_smsc75xx_priv [2019-10-07 07:52:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_rfe_ctl_lock_of_smsc75xx_priv [2019-10-07 07:52:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-07 07:52:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-07 07:52:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-07 07:52:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-07 07:52:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-07 07:52:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-07 07:52:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-07 07:52:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-07 07:52:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-07 07:52:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-07 07:52:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-07 07:52:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-07 07:52:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-07 07:52:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-07 07:52:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-07 07:52:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-07 07:52:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-10-07 07:52:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 07:52:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-07 07:52:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 07:52:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 07:52:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 07:52:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 07:52:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 07:52:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 07:52:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 07:52:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 07:52:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 07:52:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 07:52:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 07:52:41,336 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-10-07 07:52:42,603 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 07:53:21,971 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 07:53:21,972 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 07:53:21,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 07:53:21 BoogieIcfgContainer [2019-10-07 07:53:21,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 07:53:21,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 07:53:21,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 07:53:21,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 07:53:21,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 07:52:28" (1/3) ... [2019-10-07 07:53:21,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e7002b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 07:53:21, skipping insertion in model container [2019-10-07 07:53:21,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:52:33" (2/3) ... [2019-10-07 07:53:21,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e7002b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 07:53:21, skipping insertion in model container [2019-10-07 07:53:21,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 07:53:21" (3/3) ... [2019-10-07 07:53:21,991 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2019-10-07 07:53:22,006 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 07:53:22,026 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-07 07:53:22,043 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-07 07:53:22,104 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 07:53:22,104 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 07:53:22,104 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 07:53:22,104 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 07:53:22,104 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 07:53:22,104 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 07:53:22,105 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 07:53:22,105 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 07:53:22,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2337 states. [2019-10-07 07:53:22,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-07 07:53:22,220 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:53:22,221 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:22,225 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 07:53:22,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:53:22,232 INFO L82 PathProgramCache]: Analyzing trace with hash 83425292, now seen corresponding path program 1 times [2019-10-07 07:53:22,242 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:53:22,243 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:22,243 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:22,243 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:22,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:53:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:53:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2019-10-07 07:53:23,977 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:23,977 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:53:23,978 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:53:23,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:53:23,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:53:23,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:53:24,001 INFO L87 Difference]: Start difference. First operand 2337 states. Second operand 3 states. [2019-10-07 07:53:30,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:53:30,074 INFO L93 Difference]: Finished difference Result 5636 states and 7671 transitions. [2019-10-07 07:53:30,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:53:30,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-10-07 07:53:30,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:53:30,125 INFO L225 Difference]: With dead ends: 5636 [2019-10-07 07:53:30,125 INFO L226 Difference]: Without dead ends: 3715 [2019-10-07 07:53:30,143 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 07:53:30,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3715 states. [2019-10-07 07:53:30,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3715 to 3693. [2019-10-07 07:53:30,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3693 states. [2019-10-07 07:53:30,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3693 states to 3693 states and 4965 transitions. [2019-10-07 07:53:30,482 INFO L78 Accepts]: Start accepts. Automaton has 3693 states and 4965 transitions. Word has length 158 [2019-10-07 07:53:30,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:53:30,483 INFO L462 AbstractCegarLoop]: Abstraction has 3693 states and 4965 transitions. [2019-10-07 07:53:30,483 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:53:30,484 INFO L276 IsEmpty]: Start isEmpty. Operand 3693 states and 4965 transitions. [2019-10-07 07:53:30,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-07 07:53:30,497 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:53:30,498 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:30,498 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 07:53:30,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:53:30,499 INFO L82 PathProgramCache]: Analyzing trace with hash -653457091, now seen corresponding path program 1 times [2019-10-07 07:53:30,499 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:53:30,499 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:30,500 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:30,500 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:30,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:53:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:53:31,640 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2019-10-07 07:53:31,640 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:31,640 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:53:31,641 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:53:31,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:53:31,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:53:31,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:53:31,645 INFO L87 Difference]: Start difference. First operand 3693 states and 4965 transitions. Second operand 3 states. [2019-10-07 07:53:38,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:53:38,083 INFO L93 Difference]: Finished difference Result 10407 states and 14053 transitions. [2019-10-07 07:53:38,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:53:38,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-10-07 07:53:38,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:53:38,157 INFO L225 Difference]: With dead ends: 10407 [2019-10-07 07:53:38,157 INFO L226 Difference]: Without dead ends: 6766 [2019-10-07 07:53:38,184 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 07:53:38,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6766 states. [2019-10-07 07:53:38,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6766 to 6735. [2019-10-07 07:53:38,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6735 states. [2019-10-07 07:53:38,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6735 states to 6735 states and 9110 transitions. [2019-10-07 07:53:38,747 INFO L78 Accepts]: Start accepts. Automaton has 6735 states and 9110 transitions. Word has length 172 [2019-10-07 07:53:38,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:53:38,748 INFO L462 AbstractCegarLoop]: Abstraction has 6735 states and 9110 transitions. [2019-10-07 07:53:38,748 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:53:38,748 INFO L276 IsEmpty]: Start isEmpty. Operand 6735 states and 9110 transitions. [2019-10-07 07:53:38,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-07 07:53:38,760 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:53:38,761 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:38,761 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 07:53:38,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:53:38,762 INFO L82 PathProgramCache]: Analyzing trace with hash 611442655, now seen corresponding path program 1 times [2019-10-07 07:53:38,762 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:53:38,762 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:38,763 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:38,763 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:38,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:53:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:53:39,634 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2019-10-07 07:53:39,634 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:39,635 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:53:39,635 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:53:39,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:53:39,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:53:39,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:53:39,637 INFO L87 Difference]: Start difference. First operand 6735 states and 9110 transitions. Second operand 3 states. [2019-10-07 07:53:46,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:53:46,059 INFO L93 Difference]: Finished difference Result 13769 states and 18554 transitions. [2019-10-07 07:53:46,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:53:46,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-10-07 07:53:46,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:53:46,123 INFO L225 Difference]: With dead ends: 13769 [2019-10-07 07:53:46,123 INFO L226 Difference]: Without dead ends: 7086 [2019-10-07 07:53:46,158 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 07:53:46,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7086 states. [2019-10-07 07:53:46,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7086 to 7055. [2019-10-07 07:53:46,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7055 states. [2019-10-07 07:53:46,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7055 states to 7055 states and 9466 transitions. [2019-10-07 07:53:46,523 INFO L78 Accepts]: Start accepts. Automaton has 7055 states and 9466 transitions. Word has length 174 [2019-10-07 07:53:46,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:53:46,527 INFO L462 AbstractCegarLoop]: Abstraction has 7055 states and 9466 transitions. [2019-10-07 07:53:46,528 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:53:46,528 INFO L276 IsEmpty]: Start isEmpty. Operand 7055 states and 9466 transitions. [2019-10-07 07:53:46,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-10-07 07:53:46,534 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:53:46,534 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:53:46,535 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 07:53:46,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:53:46,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1220223205, now seen corresponding path program 1 times [2019-10-07 07:53:46,536 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:53:46,536 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:46,536 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:46,536 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:46,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:53:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:53:47,204 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2019-10-07 07:53:47,205 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:47,205 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:53:47,205 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:53:47,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:53:47,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:53:47,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:53:47,206 INFO L87 Difference]: Start difference. First operand 7055 states and 9466 transitions. Second operand 3 states. [2019-10-07 07:53:52,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:53:52,194 INFO L93 Difference]: Finished difference Result 10570 states and 14168 transitions. [2019-10-07 07:53:52,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:53:52,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2019-10-07 07:53:52,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:53:52,284 INFO L225 Difference]: With dead ends: 10570 [2019-10-07 07:53:52,284 INFO L226 Difference]: Without dead ends: 10491 [2019-10-07 07:53:52,294 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 07:53:52,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10491 states. [2019-10-07 07:53:52,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10491 to 10469. [2019-10-07 07:53:52,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10469 states. [2019-10-07 07:53:52,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10469 states to 10469 states and 14043 transitions. [2019-10-07 07:53:52,836 INFO L78 Accepts]: Start accepts. Automaton has 10469 states and 14043 transitions. Word has length 180 [2019-10-07 07:53:52,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:53:52,839 INFO L462 AbstractCegarLoop]: Abstraction has 10469 states and 14043 transitions. [2019-10-07 07:53:52,840 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:53:52,840 INFO L276 IsEmpty]: Start isEmpty. Operand 10469 states and 14043 transitions. [2019-10-07 07:53:52,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-07 07:53:52,849 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:53:52,850 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:53:52,850 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 07:53:52,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:53:52,851 INFO L82 PathProgramCache]: Analyzing trace with hash -394748695, now seen corresponding path program 1 times [2019-10-07 07:53:52,851 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:53:52,852 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:52,852 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:52,852 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:53:52,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:53:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:53:53,495 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2019-10-07 07:53:53,496 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:53:53,497 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:53:53,497 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:53:53,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:53:53,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:53:53,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:53:53,501 INFO L87 Difference]: Start difference. First operand 10469 states and 14043 transitions. Second operand 3 states. [2019-10-07 07:54:00,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:54:00,145 INFO L93 Difference]: Finished difference Result 13938 states and 18702 transitions. [2019-10-07 07:54:00,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:54:00,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-10-07 07:54:00,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:54:00,221 INFO L225 Difference]: With dead ends: 13938 [2019-10-07 07:54:00,221 INFO L226 Difference]: Without dead ends: 13859 [2019-10-07 07:54:00,232 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 07:54:00,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13859 states. [2019-10-07 07:54:02,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13859 to 13837. [2019-10-07 07:54:02,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13837 states. [2019-10-07 07:54:02,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13837 states to 13837 states and 18577 transitions. [2019-10-07 07:54:02,074 INFO L78 Accepts]: Start accepts. Automaton has 13837 states and 18577 transitions. Word has length 181 [2019-10-07 07:54:02,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:54:02,075 INFO L462 AbstractCegarLoop]: Abstraction has 13837 states and 18577 transitions. [2019-10-07 07:54:02,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:54:02,075 INFO L276 IsEmpty]: Start isEmpty. Operand 13837 states and 18577 transitions. [2019-10-07 07:54:02,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-07 07:54:02,088 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:54:02,088 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:54:02,089 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 07:54:02,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:54:02,090 INFO L82 PathProgramCache]: Analyzing trace with hash 149961387, now seen corresponding path program 1 times [2019-10-07 07:54:02,090 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:54:02,090 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:54:02,090 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:54:02,090 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:54:02,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:54:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:54:02,876 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 686 trivial. 0 not checked. [2019-10-07 07:54:02,877 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:54:02,877 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:54:02,877 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:54:02,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:54:02,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:54:02,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:54:02,881 INFO L87 Difference]: Start difference. First operand 13837 states and 18577 transitions. Second operand 5 states. [2019-10-07 07:54:34,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:54:34,241 INFO L93 Difference]: Finished difference Result 33723 states and 45431 transitions. [2019-10-07 07:54:34,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:54:34,242 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 194 [2019-10-07 07:54:34,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:54:34,329 INFO L225 Difference]: With dead ends: 33723 [2019-10-07 07:54:34,329 INFO L226 Difference]: Without dead ends: 19938 [2019-10-07 07:54:34,386 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 07:54:34,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19938 states. [2019-10-07 07:54:35,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19938 to 19907. [2019-10-07 07:54:35,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19907 states. [2019-10-07 07:54:35,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19907 states to 19907 states and 26872 transitions. [2019-10-07 07:54:35,419 INFO L78 Accepts]: Start accepts. Automaton has 19907 states and 26872 transitions. Word has length 194 [2019-10-07 07:54:35,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:54:35,419 INFO L462 AbstractCegarLoop]: Abstraction has 19907 states and 26872 transitions. [2019-10-07 07:54:35,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:54:35,420 INFO L276 IsEmpty]: Start isEmpty. Operand 19907 states and 26872 transitions. [2019-10-07 07:54:35,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-10-07 07:54:35,444 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:54:35,444 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:54:35,445 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 07:54:35,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:54:35,445 INFO L82 PathProgramCache]: Analyzing trace with hash -957119346, now seen corresponding path program 1 times [2019-10-07 07:54:35,445 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:54:35,445 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:54:35,445 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:54:35,446 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:54:35,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:54:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:54:36,050 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 686 trivial. 0 not checked. [2019-10-07 07:54:36,050 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:54:36,051 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:54:36,051 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:54:36,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:54:36,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:54:36,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:54:36,053 INFO L87 Difference]: Start difference. First operand 19907 states and 26872 transitions. Second operand 5 states. [2019-10-07 07:55:07,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:55:07,239 INFO L93 Difference]: Finished difference Result 44266 states and 59795 transitions. [2019-10-07 07:55:07,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:55:07,240 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 196 [2019-10-07 07:55:07,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:55:07,356 INFO L225 Difference]: With dead ends: 44266 [2019-10-07 07:55:07,356 INFO L226 Difference]: Without dead ends: 24411 [2019-10-07 07:55:07,414 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 07:55:07,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24411 states. [2019-10-07 07:55:08,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24411 to 24380. [2019-10-07 07:55:08,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24380 states. [2019-10-07 07:55:08,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24380 states to 24380 states and 32937 transitions. [2019-10-07 07:55:08,768 INFO L78 Accepts]: Start accepts. Automaton has 24380 states and 32937 transitions. Word has length 196 [2019-10-07 07:55:08,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:55:08,769 INFO L462 AbstractCegarLoop]: Abstraction has 24380 states and 32937 transitions. [2019-10-07 07:55:08,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:55:08,769 INFO L276 IsEmpty]: Start isEmpty. Operand 24380 states and 32937 transitions. [2019-10-07 07:55:08,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-10-07 07:55:08,787 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:55:08,788 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:55:08,788 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 07:55:08,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:55:08,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1559891391, now seen corresponding path program 1 times [2019-10-07 07:55:08,789 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:55:08,789 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:55:08,789 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:55:08,789 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:55:08,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:55:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:55:09,300 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2019-10-07 07:55:09,300 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:55:09,301 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:55:09,301 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:55:09,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:55:09,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:55:09,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:55:09,303 INFO L87 Difference]: Start difference. First operand 24380 states and 32937 transitions. Second operand 5 states. [2019-10-07 07:55:40,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:55:40,006 INFO L93 Difference]: Finished difference Result 55040 states and 74401 transitions. [2019-10-07 07:55:40,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:55:40,006 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 203 [2019-10-07 07:55:40,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:55:40,123 INFO L225 Difference]: With dead ends: 55040 [2019-10-07 07:55:40,123 INFO L226 Difference]: Without dead ends: 30712 [2019-10-07 07:55:40,179 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 07:55:40,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30712 states. [2019-10-07 07:55:41,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30712 to 30688. [2019-10-07 07:55:41,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30688 states. [2019-10-07 07:55:41,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30688 states to 30688 states and 41473 transitions. [2019-10-07 07:55:41,494 INFO L78 Accepts]: Start accepts. Automaton has 30688 states and 41473 transitions. Word has length 203 [2019-10-07 07:55:41,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:55:41,495 INFO L462 AbstractCegarLoop]: Abstraction has 30688 states and 41473 transitions. [2019-10-07 07:55:41,495 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:55:41,495 INFO L276 IsEmpty]: Start isEmpty. Operand 30688 states and 41473 transitions. [2019-10-07 07:55:41,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-07 07:55:41,515 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:55:41,516 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:55:41,516 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 07:55:41,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:55:41,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1961323185, now seen corresponding path program 1 times [2019-10-07 07:55:41,517 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:55:41,517 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:55:41,517 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:55:41,517 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:55:41,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:55:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:55:42,562 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2019-10-07 07:55:42,562 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:55:42,563 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:55:42,563 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:55:42,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:55:42,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:55:42,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:55:42,564 INFO L87 Difference]: Start difference. First operand 30688 states and 41473 transitions. Second operand 5 states. [2019-10-07 07:56:12,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:56:12,180 INFO L93 Difference]: Finished difference Result 61368 states and 82922 transitions. [2019-10-07 07:56:12,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:56:12,181 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 205 [2019-10-07 07:56:12,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:56:12,277 INFO L225 Difference]: With dead ends: 61368 [2019-10-07 07:56:12,278 INFO L226 Difference]: Without dead ends: 30732 [2019-10-07 07:56:12,338 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 07:56:12,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30732 states. [2019-10-07 07:56:13,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30732 to 30708. [2019-10-07 07:56:13,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30708 states. [2019-10-07 07:56:13,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30708 states to 30708 states and 41462 transitions. [2019-10-07 07:56:13,549 INFO L78 Accepts]: Start accepts. Automaton has 30708 states and 41462 transitions. Word has length 205 [2019-10-07 07:56:13,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:56:13,550 INFO L462 AbstractCegarLoop]: Abstraction has 30708 states and 41462 transitions. [2019-10-07 07:56:13,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:56:13,550 INFO L276 IsEmpty]: Start isEmpty. Operand 30708 states and 41462 transitions. [2019-10-07 07:56:13,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-10-07 07:56:13,570 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:56:13,571 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:56:13,571 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 07:56:13,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:56:13,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1854571841, now seen corresponding path program 1 times [2019-10-07 07:56:13,572 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:56:13,572 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:56:13,572 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:56:13,572 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:56:13,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:56:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:56:14,128 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2019-10-07 07:56:14,128 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:56:14,128 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 07:56:14,129 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 07:56:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:56:21,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 8529 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 07:56:21,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 07:56:21,873 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2019-10-07 07:56:21,874 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 07:56:22,394 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2019-10-07 07:56:22,394 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 07:56:22,395 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10 [2019-10-07 07:56:22,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:56:22,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:56:22,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-07 07:56:22,396 INFO L87 Difference]: Start difference. First operand 30708 states and 41462 transitions. Second operand 5 states. [2019-10-07 07:56:53,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:56:53,662 INFO L93 Difference]: Finished difference Result 68938 states and 93238 transitions. [2019-10-07 07:56:53,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:56:53,664 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 215 [2019-10-07 07:56:53,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:56:53,922 INFO L225 Difference]: With dead ends: 68938 [2019-10-07 07:56:53,922 INFO L226 Difference]: Without dead ends: 38282 [2019-10-07 07:56:54,134 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 426 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 07:56:54,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38282 states. [2019-10-07 07:56:58,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38282 to 38233. [2019-10-07 07:56:58,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38233 states. [2019-10-07 07:56:58,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38233 states to 38233 states and 51750 transitions. [2019-10-07 07:56:58,630 INFO L78 Accepts]: Start accepts. Automaton has 38233 states and 51750 transitions. Word has length 215 [2019-10-07 07:56:58,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:56:58,631 INFO L462 AbstractCegarLoop]: Abstraction has 38233 states and 51750 transitions. [2019-10-07 07:56:58,631 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:56:58,632 INFO L276 IsEmpty]: Start isEmpty. Operand 38233 states and 51750 transitions. [2019-10-07 07:56:58,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-10-07 07:56:58,665 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:56:58,665 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:56:58,878 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:56:58,879 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 07:56:58,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:56:58,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1502104259, now seen corresponding path program 1 times [2019-10-07 07:56:58,880 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:56:58,880 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:56:58,880 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:56:58,880 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:56:58,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:56:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:56:59,668 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2019-10-07 07:56:59,668 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:56:59,668 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 07:56:59,669 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 07:57:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:57:07,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 8521 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 07:57:07,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 07:57:07,505 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2019-10-07 07:57:07,506 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 07:57:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2019-10-07 07:57:07,887 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 07:57:07,888 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10 [2019-10-07 07:57:07,889 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:57:07,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:57:07,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-07 07:57:07,890 INFO L87 Difference]: Start difference. First operand 38233 states and 51750 transitions. Second operand 5 states. [2019-10-07 07:57:37,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:57:37,598 INFO L93 Difference]: Finished difference Result 78029 states and 105632 transitions. [2019-10-07 07:57:37,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:57:37,598 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 219 [2019-10-07 07:57:37,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:57:37,793 INFO L225 Difference]: With dead ends: 78029 [2019-10-07 07:57:37,793 INFO L226 Difference]: Without dead ends: 39848 [2019-10-07 07:57:37,878 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 434 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 07:57:37,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39848 states. [2019-10-07 07:57:40,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39848 to 39802. [2019-10-07 07:57:40,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39802 states. [2019-10-07 07:57:40,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39802 states to 39802 states and 53701 transitions. [2019-10-07 07:57:40,192 INFO L78 Accepts]: Start accepts. Automaton has 39802 states and 53701 transitions. Word has length 219 [2019-10-07 07:57:40,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:57:40,193 INFO L462 AbstractCegarLoop]: Abstraction has 39802 states and 53701 transitions. [2019-10-07 07:57:40,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:57:40,193 INFO L276 IsEmpty]: Start isEmpty. Operand 39802 states and 53701 transitions. [2019-10-07 07:57:40,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-10-07 07:57:40,215 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:57:40,215 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:57:40,429 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:57:40,430 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 07:57:40,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:57:40,430 INFO L82 PathProgramCache]: Analyzing trace with hash -600602172, now seen corresponding path program 1 times [2019-10-07 07:57:40,430 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:57:40,430 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:57:40,430 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:57:40,431 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:57:40,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:57:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:57:40,982 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2019-10-07 07:57:40,982 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:57:40,982 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 07:57:40,982 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 07:57:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:57:49,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 8517 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 07:57:49,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 07:57:49,147 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2019-10-07 07:57:49,147 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 07:57:49,603 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2019-10-07 07:57:49,603 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 07:57:49,604 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10 [2019-10-07 07:57:49,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:57:49,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:57:49,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-07 07:57:49,605 INFO L87 Difference]: Start difference. First operand 39802 states and 53701 transitions. Second operand 5 states. [2019-10-07 07:58:24,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:24,683 INFO L93 Difference]: Finished difference Result 81095 states and 109408 transitions. [2019-10-07 07:58:24,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:58:24,684 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 227 [2019-10-07 07:58:24,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:24,869 INFO L225 Difference]: With dead ends: 81095 [2019-10-07 07:58:24,869 INFO L226 Difference]: Without dead ends: 41345 [2019-10-07 07:58:24,976 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 450 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 07:58:25,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41345 states. [2019-10-07 07:58:26,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41345 to 41329. [2019-10-07 07:58:26,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41329 states. [2019-10-07 07:58:26,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41329 states to 41329 states and 55737 transitions. [2019-10-07 07:58:26,899 INFO L78 Accepts]: Start accepts. Automaton has 41329 states and 55737 transitions. Word has length 227 [2019-10-07 07:58:26,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:26,900 INFO L462 AbstractCegarLoop]: Abstraction has 41329 states and 55737 transitions. [2019-10-07 07:58:26,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:26,900 INFO L276 IsEmpty]: Start isEmpty. Operand 41329 states and 55737 transitions. [2019-10-07 07:58:26,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-10-07 07:58:26,907 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:26,908 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:58:27,120 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:58:27,121 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 07:58:27,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:27,121 INFO L82 PathProgramCache]: Analyzing trace with hash -516616540, now seen corresponding path program 1 times [2019-10-07 07:58:27,121 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:27,121 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:27,121 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:27,122 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:27,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:27,656 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2019-10-07 07:58:27,656 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:27,657 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:27,657 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:27,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:27,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:27,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:27,658 INFO L87 Difference]: Start difference. First operand 41329 states and 55737 transitions. Second operand 5 states. [2019-10-07 07:58:29,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:29,613 INFO L93 Difference]: Finished difference Result 41335 states and 55742 transitions. [2019-10-07 07:58:29,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:29,614 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2019-10-07 07:58:29,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:29,799 INFO L225 Difference]: With dead ends: 41335 [2019-10-07 07:58:29,799 INFO L226 Difference]: Without dead ends: 41333 [2019-10-07 07:58:29,824 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 07:58:29,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41333 states. [2019-10-07 07:58:33,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41333 to 41333. [2019-10-07 07:58:33,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41333 states. [2019-10-07 07:58:33,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41333 states to 41333 states and 55740 transitions. [2019-10-07 07:58:33,599 INFO L78 Accepts]: Start accepts. Automaton has 41333 states and 55740 transitions. Word has length 232 [2019-10-07 07:58:33,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:33,600 INFO L462 AbstractCegarLoop]: Abstraction has 41333 states and 55740 transitions. [2019-10-07 07:58:33,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:33,600 INFO L276 IsEmpty]: Start isEmpty. Operand 41333 states and 55740 transitions. [2019-10-07 07:58:33,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-10-07 07:58:33,604 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:33,604 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:58:33,604 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 07:58:33,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:33,605 INFO L82 PathProgramCache]: Analyzing trace with hash -607225337, now seen corresponding path program 1 times [2019-10-07 07:58:33,605 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:33,605 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:33,605 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:33,605 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:33,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:34,134 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2019-10-07 07:58:34,135 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:34,135 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:34,136 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:34,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:34,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:34,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:34,137 INFO L87 Difference]: Start difference. First operand 41333 states and 55740 transitions. Second operand 5 states. [2019-10-07 07:58:35,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:35,314 INFO L93 Difference]: Finished difference Result 41339 states and 55745 transitions. [2019-10-07 07:58:35,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:35,314 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 237 [2019-10-07 07:58:35,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:35,443 INFO L225 Difference]: With dead ends: 41339 [2019-10-07 07:58:35,443 INFO L226 Difference]: Without dead ends: 41337 [2019-10-07 07:58:35,464 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 07:58:35,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41337 states. [2019-10-07 07:58:37,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41337 to 41337. [2019-10-07 07:58:37,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41337 states. [2019-10-07 07:58:37,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41337 states to 41337 states and 55743 transitions. [2019-10-07 07:58:37,339 INFO L78 Accepts]: Start accepts. Automaton has 41337 states and 55743 transitions. Word has length 237 [2019-10-07 07:58:37,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:37,339 INFO L462 AbstractCegarLoop]: Abstraction has 41337 states and 55743 transitions. [2019-10-07 07:58:37,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:37,339 INFO L276 IsEmpty]: Start isEmpty. Operand 41337 states and 55743 transitions. [2019-10-07 07:58:37,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-10-07 07:58:37,344 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:37,344 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:58:37,344 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 07:58:37,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:37,345 INFO L82 PathProgramCache]: Analyzing trace with hash -663958460, now seen corresponding path program 1 times [2019-10-07 07:58:37,345 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:37,345 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:37,345 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:37,345 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:37,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:37,838 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 718 trivial. 0 not checked. [2019-10-07 07:58:37,838 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:37,839 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:37,839 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:37,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:37,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:37,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:37,840 INFO L87 Difference]: Start difference. First operand 41337 states and 55743 transitions. Second operand 5 states. [2019-10-07 07:58:39,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:39,273 INFO L93 Difference]: Finished difference Result 41343 states and 55748 transitions. [2019-10-07 07:58:39,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:39,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 242 [2019-10-07 07:58:39,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:39,432 INFO L225 Difference]: With dead ends: 41343 [2019-10-07 07:58:39,432 INFO L226 Difference]: Without dead ends: 41341 [2019-10-07 07:58:39,455 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 07:58:39,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41341 states. [2019-10-07 07:58:41,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41341 to 41341. [2019-10-07 07:58:41,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41341 states. [2019-10-07 07:58:41,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41341 states to 41341 states and 55746 transitions. [2019-10-07 07:58:41,394 INFO L78 Accepts]: Start accepts. Automaton has 41341 states and 55746 transitions. Word has length 242 [2019-10-07 07:58:41,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:41,395 INFO L462 AbstractCegarLoop]: Abstraction has 41341 states and 55746 transitions. [2019-10-07 07:58:41,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:41,395 INFO L276 IsEmpty]: Start isEmpty. Operand 41341 states and 55746 transitions. [2019-10-07 07:58:41,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-10-07 07:58:41,401 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:41,401 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:58:41,402 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 07:58:41,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:41,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1680240615, now seen corresponding path program 1 times [2019-10-07 07:58:41,402 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:41,403 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:41,403 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:41,403 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:41,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:41,936 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2019-10-07 07:58:41,936 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:41,937 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:41,937 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:41,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:41,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:41,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:41,938 INFO L87 Difference]: Start difference. First operand 41341 states and 55746 transitions. Second operand 5 states. [2019-10-07 07:58:43,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:43,558 INFO L93 Difference]: Finished difference Result 41347 states and 55751 transitions. [2019-10-07 07:58:43,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:43,559 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 247 [2019-10-07 07:58:43,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:43,699 INFO L225 Difference]: With dead ends: 41347 [2019-10-07 07:58:43,699 INFO L226 Difference]: Without dead ends: 41345 [2019-10-07 07:58:43,721 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 07:58:43,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41345 states. [2019-10-07 07:58:45,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41345 to 41345. [2019-10-07 07:58:45,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41345 states. [2019-10-07 07:58:45,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41345 states to 41345 states and 55749 transitions. [2019-10-07 07:58:45,401 INFO L78 Accepts]: Start accepts. Automaton has 41345 states and 55749 transitions. Word has length 247 [2019-10-07 07:58:45,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:45,402 INFO L462 AbstractCegarLoop]: Abstraction has 41345 states and 55749 transitions. [2019-10-07 07:58:45,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:45,402 INFO L276 IsEmpty]: Start isEmpty. Operand 41345 states and 55749 transitions. [2019-10-07 07:58:45,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-10-07 07:58:45,409 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:45,410 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:58:45,410 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 07:58:45,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:45,410 INFO L82 PathProgramCache]: Analyzing trace with hash -2143440412, now seen corresponding path program 1 times [2019-10-07 07:58:45,411 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:45,411 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:45,411 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:45,411 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:45,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:46,258 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2019-10-07 07:58:46,258 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:46,259 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:46,259 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:46,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:46,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:46,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:46,260 INFO L87 Difference]: Start difference. First operand 41345 states and 55749 transitions. Second operand 5 states. [2019-10-07 07:58:47,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:47,553 INFO L93 Difference]: Finished difference Result 41351 states and 55754 transitions. [2019-10-07 07:58:47,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:47,553 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 252 [2019-10-07 07:58:47,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:47,695 INFO L225 Difference]: With dead ends: 41351 [2019-10-07 07:58:47,695 INFO L226 Difference]: Without dead ends: 41349 [2019-10-07 07:58:47,717 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 07:58:47,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41349 states. [2019-10-07 07:58:51,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41349 to 41349. [2019-10-07 07:58:51,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41349 states. [2019-10-07 07:58:51,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41349 states to 41349 states and 55752 transitions. [2019-10-07 07:58:51,221 INFO L78 Accepts]: Start accepts. Automaton has 41349 states and 55752 transitions. Word has length 252 [2019-10-07 07:58:51,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:51,222 INFO L462 AbstractCegarLoop]: Abstraction has 41349 states and 55752 transitions. [2019-10-07 07:58:51,222 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:51,222 INFO L276 IsEmpty]: Start isEmpty. Operand 41349 states and 55752 transitions. [2019-10-07 07:58:51,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-10-07 07:58:51,228 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:51,228 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:58:51,228 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 07:58:51,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:51,228 INFO L82 PathProgramCache]: Analyzing trace with hash -178373177, now seen corresponding path program 1 times [2019-10-07 07:58:51,229 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:51,229 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:51,229 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:51,229 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:51,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2019-10-07 07:58:51,673 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:51,674 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:51,674 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:51,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:51,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:51,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:51,675 INFO L87 Difference]: Start difference. First operand 41349 states and 55752 transitions. Second operand 5 states. [2019-10-07 07:58:53,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:53,277 INFO L93 Difference]: Finished difference Result 41355 states and 55757 transitions. [2019-10-07 07:58:53,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:53,277 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 257 [2019-10-07 07:58:53,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:53,403 INFO L225 Difference]: With dead ends: 41355 [2019-10-07 07:58:53,403 INFO L226 Difference]: Without dead ends: 41353 [2019-10-07 07:58:53,419 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 07:58:53,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41353 states. [2019-10-07 07:58:54,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41353 to 41353. [2019-10-07 07:58:54,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41353 states. [2019-10-07 07:58:55,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41353 states to 41353 states and 55755 transitions. [2019-10-07 07:58:55,119 INFO L78 Accepts]: Start accepts. Automaton has 41353 states and 55755 transitions. Word has length 257 [2019-10-07 07:58:55,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:55,119 INFO L462 AbstractCegarLoop]: Abstraction has 41353 states and 55755 transitions. [2019-10-07 07:58:55,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:55,119 INFO L276 IsEmpty]: Start isEmpty. Operand 41353 states and 55755 transitions. [2019-10-07 07:58:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-10-07 07:58:55,126 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:55,126 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:58:55,127 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 07:58:55,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:55,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1767227268, now seen corresponding path program 1 times [2019-10-07 07:58:55,127 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:55,127 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:55,128 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:55,128 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:55,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:55,553 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2019-10-07 07:58:55,554 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:55,554 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:55,554 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:55,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:55,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:55,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:55,556 INFO L87 Difference]: Start difference. First operand 41353 states and 55755 transitions. Second operand 5 states. [2019-10-07 07:58:57,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:57,690 INFO L93 Difference]: Finished difference Result 41359 states and 55760 transitions. [2019-10-07 07:58:57,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:57,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 262 [2019-10-07 07:58:57,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:57,905 INFO L225 Difference]: With dead ends: 41359 [2019-10-07 07:58:57,906 INFO L226 Difference]: Without dead ends: 41357 [2019-10-07 07:58:57,931 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 07:58:57,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41357 states. [2019-10-07 07:58:59,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41357 to 41357. [2019-10-07 07:58:59,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41357 states. [2019-10-07 07:59:00,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41357 states to 41357 states and 55758 transitions. [2019-10-07 07:59:00,068 INFO L78 Accepts]: Start accepts. Automaton has 41357 states and 55758 transitions. Word has length 262 [2019-10-07 07:59:00,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:00,068 INFO L462 AbstractCegarLoop]: Abstraction has 41357 states and 55758 transitions. [2019-10-07 07:59:00,068 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:00,068 INFO L276 IsEmpty]: Start isEmpty. Operand 41357 states and 55758 transitions. [2019-10-07 07:59:00,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-10-07 07:59:00,076 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:00,077 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 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] [2019-10-07 07:59:00,077 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:59:00,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:00,078 INFO L82 PathProgramCache]: Analyzing trace with hash 998761383, now seen corresponding path program 1 times [2019-10-07 07:59:00,078 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:00,078 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:00,078 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:00,078 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:00,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:00,453 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2019-10-07 07:59:00,454 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:00,454 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:00,454 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:00,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:00,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:00,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:00,455 INFO L87 Difference]: Start difference. First operand 41357 states and 55758 transitions. Second operand 5 states. [2019-10-07 07:59:03,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:03,350 INFO L93 Difference]: Finished difference Result 41363 states and 55763 transitions. [2019-10-07 07:59:03,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:59:03,350 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 267 [2019-10-07 07:59:03,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:03,468 INFO L225 Difference]: With dead ends: 41363 [2019-10-07 07:59:03,468 INFO L226 Difference]: Without dead ends: 41361 [2019-10-07 07:59:03,480 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 07:59:03,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41361 states. [2019-10-07 07:59:05,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41361 to 41361. [2019-10-07 07:59:05,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41361 states. [2019-10-07 07:59:05,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41361 states to 41361 states and 55761 transitions. [2019-10-07 07:59:05,329 INFO L78 Accepts]: Start accepts. Automaton has 41361 states and 55761 transitions. Word has length 267 [2019-10-07 07:59:05,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:05,329 INFO L462 AbstractCegarLoop]: Abstraction has 41361 states and 55761 transitions. [2019-10-07 07:59:05,329 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:05,329 INFO L276 IsEmpty]: Start isEmpty. Operand 41361 states and 55761 transitions. [2019-10-07 07:59:05,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-10-07 07:59:05,338 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:05,339 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 9, 8, 8, 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] [2019-10-07 07:59:05,339 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:59:05,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:05,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1562184412, now seen corresponding path program 1 times [2019-10-07 07:59:05,340 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:05,340 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:05,340 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:05,340 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:05,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:06,177 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2019-10-07 07:59:06,177 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:06,178 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:06,178 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:06,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:06,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:06,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:06,180 INFO L87 Difference]: Start difference. First operand 41361 states and 55761 transitions. Second operand 5 states. [2019-10-07 07:59:07,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:07,657 INFO L93 Difference]: Finished difference Result 41367 states and 55766 transitions. [2019-10-07 07:59:07,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:59:07,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 272 [2019-10-07 07:59:07,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:07,790 INFO L225 Difference]: With dead ends: 41367 [2019-10-07 07:59:07,790 INFO L226 Difference]: Without dead ends: 41365 [2019-10-07 07:59:07,810 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 07:59:07,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41365 states. [2019-10-07 07:59:09,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41365 to 41365. [2019-10-07 07:59:09,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41365 states. [2019-10-07 07:59:10,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41365 states to 41365 states and 55764 transitions. [2019-10-07 07:59:10,042 INFO L78 Accepts]: Start accepts. Automaton has 41365 states and 55764 transitions. Word has length 272 [2019-10-07 07:59:10,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:10,043 INFO L462 AbstractCegarLoop]: Abstraction has 41365 states and 55764 transitions. [2019-10-07 07:59:10,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:10,043 INFO L276 IsEmpty]: Start isEmpty. Operand 41365 states and 55764 transitions. [2019-10-07 07:59:10,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-10-07 07:59:10,053 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:10,053 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 10, 9, 9, 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, 1] [2019-10-07 07:59:10,054 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:59:10,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:10,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1949655431, now seen corresponding path program 1 times [2019-10-07 07:59:10,054 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:10,054 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:10,055 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:10,055 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:10,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:10,481 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2019-10-07 07:59:10,481 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:10,481 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:10,482 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:10,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:10,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:10,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:10,483 INFO L87 Difference]: Start difference. First operand 41365 states and 55764 transitions. Second operand 5 states. [2019-10-07 07:59:12,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:12,281 INFO L93 Difference]: Finished difference Result 41525 states and 55863 transitions. [2019-10-07 07:59:12,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:59:12,283 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 277 [2019-10-07 07:59:12,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:12,463 INFO L225 Difference]: With dead ends: 41525 [2019-10-07 07:59:12,463 INFO L226 Difference]: Without dead ends: 41523 [2019-10-07 07:59:12,486 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:59:12,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41523 states. [2019-10-07 07:59:16,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41523 to 41523. [2019-10-07 07:59:16,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41523 states. [2019-10-07 07:59:16,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41523 states to 41523 states and 55861 transitions. [2019-10-07 07:59:16,328 INFO L78 Accepts]: Start accepts. Automaton has 41523 states and 55861 transitions. Word has length 277 [2019-10-07 07:59:16,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:16,328 INFO L462 AbstractCegarLoop]: Abstraction has 41523 states and 55861 transitions. [2019-10-07 07:59:16,328 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:16,328 INFO L276 IsEmpty]: Start isEmpty. Operand 41523 states and 55861 transitions. [2019-10-07 07:59:16,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-10-07 07:59:16,341 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:16,341 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 11, 10, 10, 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, 1, 1, 1] [2019-10-07 07:59:16,341 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:59:16,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:16,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1701621052, now seen corresponding path program 1 times [2019-10-07 07:59:16,342 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:16,342 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:16,342 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:16,342 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:16,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:16,819 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 894 trivial. 0 not checked. [2019-10-07 07:59:16,819 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:16,819 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:16,820 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:16,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:16,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:16,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:16,823 INFO L87 Difference]: Start difference. First operand 41523 states and 55861 transitions. Second operand 5 states. [2019-10-07 07:59:18,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:18,637 INFO L93 Difference]: Finished difference Result 41529 states and 55866 transitions. [2019-10-07 07:59:18,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:59:18,638 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 282 [2019-10-07 07:59:18,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:18,738 INFO L225 Difference]: With dead ends: 41529 [2019-10-07 07:59:18,738 INFO L226 Difference]: Without dead ends: 41525 [2019-10-07 07:59:18,751 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 07:59:18,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41525 states. [2019-10-07 07:59:20,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41525 to 41525. [2019-10-07 07:59:20,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41525 states. [2019-10-07 07:59:20,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41525 states to 41525 states and 55862 transitions. [2019-10-07 07:59:20,705 INFO L78 Accepts]: Start accepts. Automaton has 41525 states and 55862 transitions. Word has length 282 [2019-10-07 07:59:20,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:20,705 INFO L462 AbstractCegarLoop]: Abstraction has 41525 states and 55862 transitions. [2019-10-07 07:59:20,705 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:20,705 INFO L276 IsEmpty]: Start isEmpty. Operand 41525 states and 55862 transitions. [2019-10-07 07:59:20,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-10-07 07:59:20,722 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:20,722 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 12, 11, 11, 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, 1, 1, 1, 1, 1] [2019-10-07 07:59:20,722 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:59:20,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:20,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1904691353, now seen corresponding path program 1 times [2019-10-07 07:59:20,723 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:20,723 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:20,723 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:20,724 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:20,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:21,433 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2019-10-07 07:59:21,433 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:21,434 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:21,434 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:21,435 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:21,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:21,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:21,435 INFO L87 Difference]: Start difference. First operand 41525 states and 55862 transitions. Second operand 5 states. [2019-10-07 07:59:23,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:23,080 INFO L93 Difference]: Finished difference Result 41525 states and 55862 transitions. [2019-10-07 07:59:23,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:59:23,080 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 287 [2019-10-07 07:59:23,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:23,214 INFO L225 Difference]: With dead ends: 41525 [2019-10-07 07:59:23,214 INFO L226 Difference]: Without dead ends: 41269 [2019-10-07 07:59:23,239 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 07:59:23,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41269 states. [2019-10-07 07:59:25,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41269 to 41236. [2019-10-07 07:59:25,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41236 states. [2019-10-07 07:59:25,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41236 states to 41236 states and 55519 transitions. [2019-10-07 07:59:25,586 INFO L78 Accepts]: Start accepts. Automaton has 41236 states and 55519 transitions. Word has length 287 [2019-10-07 07:59:25,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:25,586 INFO L462 AbstractCegarLoop]: Abstraction has 41236 states and 55519 transitions. [2019-10-07 07:59:25,586 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:25,586 INFO L276 IsEmpty]: Start isEmpty. Operand 41236 states and 55519 transitions. [2019-10-07 07:59:25,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-10-07 07:59:25,602 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:25,602 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 7, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:59:25,602 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:59:25,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:25,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1692138090, now seen corresponding path program 1 times [2019-10-07 07:59:25,603 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:25,603 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:25,603 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:25,603 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:25,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:26,077 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2019-10-07 07:59:26,077 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:26,077 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:26,077 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:26,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:26,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:26,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:26,079 INFO L87 Difference]: Start difference. First operand 41236 states and 55519 transitions. Second operand 5 states. [2019-10-07 07:59:38,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:38,236 INFO L93 Difference]: Finished difference Result 92802 states and 125066 transitions. [2019-10-07 07:59:38,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 07:59:38,236 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 295 [2019-10-07 07:59:38,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:38,439 INFO L225 Difference]: With dead ends: 92802 [2019-10-07 07:59:38,440 INFO L226 Difference]: Without dead ends: 53096 [2019-10-07 07:59:38,524 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:38,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53096 states. [2019-10-07 07:59:43,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53096 to 47169. [2019-10-07 07:59:43,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47169 states. [2019-10-07 07:59:43,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47169 states to 47169 states and 63552 transitions. [2019-10-07 07:59:43,161 INFO L78 Accepts]: Start accepts. Automaton has 47169 states and 63552 transitions. Word has length 295 [2019-10-07 07:59:43,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:43,162 INFO L462 AbstractCegarLoop]: Abstraction has 47169 states and 63552 transitions. [2019-10-07 07:59:43,162 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:43,162 INFO L276 IsEmpty]: Start isEmpty. Operand 47169 states and 63552 transitions. [2019-10-07 07:59:43,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-10-07 07:59:43,179 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:43,179 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 7, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:59:43,180 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:59:43,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:43,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1313117829, now seen corresponding path program 1 times [2019-10-07 07:59:43,180 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:43,180 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:43,181 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:43,181 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:43,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:44,153 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2019-10-07 07:59:44,153 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:44,154 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:44,154 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:44,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:44,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:44,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:44,155 INFO L87 Difference]: Start difference. First operand 47169 states and 63552 transitions. Second operand 5 states. [2019-10-07 07:59:55,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:55,745 INFO L93 Difference]: Finished difference Result 98763 states and 133127 transitions. [2019-10-07 07:59:55,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 07:59:55,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 296 [2019-10-07 07:59:55,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:55,911 INFO L225 Difference]: With dead ends: 98763 [2019-10-07 07:59:55,911 INFO L226 Difference]: Without dead ends: 53124 [2019-10-07 07:59:55,986 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:56,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53124 states. [2019-10-07 07:59:58,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53124 to 53102. [2019-10-07 07:59:58,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53102 states. [2019-10-07 07:59:58,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53102 states to 53102 states and 71577 transitions. [2019-10-07 07:59:58,999 INFO L78 Accepts]: Start accepts. Automaton has 53102 states and 71577 transitions. Word has length 296 [2019-10-07 07:59:58,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:59,000 INFO L462 AbstractCegarLoop]: Abstraction has 53102 states and 71577 transitions. [2019-10-07 07:59:59,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:59,000 INFO L276 IsEmpty]: Start isEmpty. Operand 53102 states and 71577 transitions. [2019-10-07 07:59:59,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2019-10-07 07:59:59,019 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:59,020 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 7, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:59:59,020 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:59:59,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:59,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1245547061, now seen corresponding path program 1 times [2019-10-07 07:59:59,021 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:59,021 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:59,021 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:59,021 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:59,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:59,513 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2019-10-07 07:59:59,514 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:59,514 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:59,514 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:59,515 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:59,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:59,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:59,515 INFO L87 Difference]: Start difference. First operand 53102 states and 71577 transitions. Second operand 5 states. [2019-10-07 08:00:13,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:00:13,904 INFO L93 Difference]: Finished difference Result 110901 states and 149497 transitions. [2019-10-07 08:00:13,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 08:00:13,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 297 [2019-10-07 08:00:13,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:00:14,086 INFO L225 Difference]: With dead ends: 110901 [2019-10-07 08:00:14,086 INFO L226 Difference]: Without dead ends: 59329 [2019-10-07 08:00:14,176 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:00:14,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59329 states. [2019-10-07 08:00:17,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59329 to 59307. [2019-10-07 08:00:17,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59307 states. [2019-10-07 08:00:17,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59307 states to 59307 states and 79902 transitions. [2019-10-07 08:00:17,273 INFO L78 Accepts]: Start accepts. Automaton has 59307 states and 79902 transitions. Word has length 297 [2019-10-07 08:00:17,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:00:17,273 INFO L462 AbstractCegarLoop]: Abstraction has 59307 states and 79902 transitions. [2019-10-07 08:00:17,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 08:00:17,273 INFO L276 IsEmpty]: Start isEmpty. Operand 59307 states and 79902 transitions. [2019-10-07 08:00:17,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2019-10-07 08:00:17,293 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:00:17,293 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 7, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:00:17,293 INFO L410 AbstractCegarLoop]: === Iteration 28 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:00:17,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:00:17,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1131362248, now seen corresponding path program 1 times [2019-10-07 08:00:17,294 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:00:17,294 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:00:17,294 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:00:17,294 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:00:17,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:00:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:00:17,752 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2019-10-07 08:00:17,753 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:00:17,753 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:00:17,753 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 08:00:17,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 08:00:17,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 08:00:17,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:00:17,755 INFO L87 Difference]: Start difference. First operand 59307 states and 79902 transitions. Second operand 5 states. [2019-10-07 08:00:30,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:00:30,747 INFO L93 Difference]: Finished difference Result 123055 states and 165871 transitions. [2019-10-07 08:00:30,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 08:00:30,748 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 298 [2019-10-07 08:00:30,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:00:30,975 INFO L225 Difference]: With dead ends: 123055 [2019-10-07 08:00:30,975 INFO L226 Difference]: Without dead ends: 65278 [2019-10-07 08:00:31,080 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:00:31,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65278 states. [2019-10-07 08:00:37,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65278 to 65256. [2019-10-07 08:00:37,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65256 states. [2019-10-07 08:00:37,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65256 states to 65256 states and 87943 transitions. [2019-10-07 08:00:37,245 INFO L78 Accepts]: Start accepts. Automaton has 65256 states and 87943 transitions. Word has length 298 [2019-10-07 08:00:37,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:00:37,246 INFO L462 AbstractCegarLoop]: Abstraction has 65256 states and 87943 transitions. [2019-10-07 08:00:37,246 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 08:00:37,246 INFO L276 IsEmpty]: Start isEmpty. Operand 65256 states and 87943 transitions. [2019-10-07 08:00:37,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2019-10-07 08:00:37,268 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:00:37,269 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 7, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:00:37,269 INFO L410 AbstractCegarLoop]: === Iteration 29 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:00:37,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:00:37,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1114229143, now seen corresponding path program 1 times [2019-10-07 08:00:37,270 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:00:37,270 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:00:37,270 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:00:37,270 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:00:37,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:00:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:00:37,661 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2019-10-07 08:00:37,661 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:00:37,661 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:00:37,661 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 08:00:37,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 08:00:37,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 08:00:37,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:00:37,662 INFO L87 Difference]: Start difference. First operand 65256 states and 87943 transitions. Second operand 5 states. [2019-10-07 08:00:51,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:00:51,090 INFO L93 Difference]: Finished difference Result 134957 states and 181965 transitions. [2019-10-07 08:00:51,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 08:00:51,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 299 [2019-10-07 08:00:51,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:00:51,338 INFO L225 Difference]: With dead ends: 134957 [2019-10-07 08:00:51,338 INFO L226 Difference]: Without dead ends: 71231 [2019-10-07 08:00:51,429 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:00:51,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71231 states. [2019-10-07 08:00:54,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71231 to 71209. [2019-10-07 08:00:54,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71209 states. [2019-10-07 08:00:55,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71209 states to 71209 states and 95988 transitions. [2019-10-07 08:00:55,196 INFO L78 Accepts]: Start accepts. Automaton has 71209 states and 95988 transitions. Word has length 299 [2019-10-07 08:00:55,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:00:55,197 INFO L462 AbstractCegarLoop]: Abstraction has 71209 states and 95988 transitions. [2019-10-07 08:00:55,197 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 08:00:55,197 INFO L276 IsEmpty]: Start isEmpty. Operand 71209 states and 95988 transitions. [2019-10-07 08:00:55,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-10-07 08:00:55,221 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:00:55,221 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 7, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:00:55,222 INFO L410 AbstractCegarLoop]: === Iteration 30 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:00:55,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:00:55,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1997489154, now seen corresponding path program 1 times [2019-10-07 08:00:55,222 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:00:55,222 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:00:55,222 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:00:55,222 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:00:55,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:00:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:00:55,601 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2019-10-07 08:00:55,601 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:00:55,602 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:00:55,602 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 08:00:55,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 08:00:55,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 08:00:55,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:00:55,603 INFO L87 Difference]: Start difference. First operand 71209 states and 95988 transitions. Second operand 5 states. [2019-10-07 08:01:11,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:01:11,448 INFO L93 Difference]: Finished difference Result 146867 states and 198067 transitions. [2019-10-07 08:01:11,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 08:01:11,449 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 300 [2019-10-07 08:01:11,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:01:11,691 INFO L225 Difference]: With dead ends: 146867 [2019-10-07 08:01:11,691 INFO L226 Difference]: Without dead ends: 77188 [2019-10-07 08:01:11,804 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:01:11,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77188 states. [2019-10-07 08:01:15,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77188 to 77166. [2019-10-07 08:01:15,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77166 states. [2019-10-07 08:01:15,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77166 states to 77166 states and 104037 transitions. [2019-10-07 08:01:15,763 INFO L78 Accepts]: Start accepts. Automaton has 77166 states and 104037 transitions. Word has length 300 [2019-10-07 08:01:15,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:01:15,764 INFO L462 AbstractCegarLoop]: Abstraction has 77166 states and 104037 transitions. [2019-10-07 08:01:15,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 08:01:15,764 INFO L276 IsEmpty]: Start isEmpty. Operand 77166 states and 104037 transitions. [2019-10-07 08:01:15,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-10-07 08:01:15,788 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:01:15,788 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 7, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:01:15,788 INFO L410 AbstractCegarLoop]: === Iteration 31 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:01:15,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:01:15,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1434443425, now seen corresponding path program 1 times [2019-10-07 08:01:15,789 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:01:15,789 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:01:15,789 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:01:15,790 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:01:15,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:01:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:01:16,647 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2019-10-07 08:01:16,647 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:01:16,648 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:01:16,648 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 08:01:16,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 08:01:16,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 08:01:16,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:01:16,649 INFO L87 Difference]: Start difference. First operand 77166 states and 104037 transitions. Second operand 5 states. [2019-10-07 08:01:29,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:01:29,651 INFO L93 Difference]: Finished difference Result 158785 states and 214177 transitions. [2019-10-07 08:01:29,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 08:01:29,651 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 301 [2019-10-07 08:01:29,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:01:29,965 INFO L225 Difference]: With dead ends: 158785 [2019-10-07 08:01:29,965 INFO L226 Difference]: Without dead ends: 83149 [2019-10-07 08:01:30,117 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:01:30,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83149 states. [2019-10-07 08:01:38,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83149 to 83127. [2019-10-07 08:01:38,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83127 states. [2019-10-07 08:01:38,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83127 states to 83127 states and 112090 transitions. [2019-10-07 08:01:38,272 INFO L78 Accepts]: Start accepts. Automaton has 83127 states and 112090 transitions. Word has length 301 [2019-10-07 08:01:38,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:01:38,273 INFO L462 AbstractCegarLoop]: Abstraction has 83127 states and 112090 transitions. [2019-10-07 08:01:38,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 08:01:38,273 INFO L276 IsEmpty]: Start isEmpty. Operand 83127 states and 112090 transitions. [2019-10-07 08:01:38,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-10-07 08:01:38,297 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:01:38,297 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 7, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:01:38,297 INFO L410 AbstractCegarLoop]: === Iteration 32 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:01:38,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:01:38,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1285081211, now seen corresponding path program 1 times [2019-10-07 08:01:38,298 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:01:38,298 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:01:38,298 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:01:38,299 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:01:38,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:01:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:01:38,710 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 769 trivial. 0 not checked. [2019-10-07 08:01:38,710 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:01:38,710 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 08:01:38,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 08:01:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:01:46,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 8853 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-07 08:01:46,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 08:01:46,858 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2019-10-07 08:01:46,858 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 08:01:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2019-10-07 08:01:47,677 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 08:01:47,677 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [6] total 12 [2019-10-07 08:01:47,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 08:01:47,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 08:01:47,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2019-10-07 08:01:47,678 INFO L87 Difference]: Start difference. First operand 83127 states and 112090 transitions. Second operand 8 states. [2019-10-07 08:02:02,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:02:02,151 INFO L93 Difference]: Finished difference Result 188900 states and 255126 transitions. [2019-10-07 08:02:02,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 08:02:02,152 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 302 [2019-10-07 08:02:02,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:02:02,506 INFO L225 Difference]: With dead ends: 188900 [2019-10-07 08:02:02,506 INFO L226 Difference]: Without dead ends: 107303 [2019-10-07 08:02:02,637 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-10-07 08:02:02,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107303 states. [2019-10-07 08:02:08,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107303 to 107155. [2019-10-07 08:02:08,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107155 states. [2019-10-07 08:02:08,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107155 states to 107155 states and 144738 transitions. [2019-10-07 08:02:08,487 INFO L78 Accepts]: Start accepts. Automaton has 107155 states and 144738 transitions. Word has length 302 [2019-10-07 08:02:08,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:02:08,487 INFO L462 AbstractCegarLoop]: Abstraction has 107155 states and 144738 transitions. [2019-10-07 08:02:08,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 08:02:08,488 INFO L276 IsEmpty]: Start isEmpty. Operand 107155 states and 144738 transitions. [2019-10-07 08:02:08,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2019-10-07 08:02:08,521 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:02:08,522 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 7, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:02:08,724 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 08:02:08,725 INFO L410 AbstractCegarLoop]: === Iteration 33 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:02:08,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:02:08,726 INFO L82 PathProgramCache]: Analyzing trace with hash 590632320, now seen corresponding path program 1 times [2019-10-07 08:02:08,726 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:02:08,726 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:02:08,727 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:02:08,727 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:02:08,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:02:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:02:09,144 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 769 trivial. 0 not checked. [2019-10-07 08:02:09,145 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:02:09,145 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 08:02:09,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 08:02:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:02:20,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 8857 conjuncts, 36 conjunts are in the unsatisfiable core [2019-10-07 08:02:20,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 08:02:20,888 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2019-10-07 08:02:20,888 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 08:02:21,454 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 769 trivial. 0 not checked. [2019-10-07 08:02:21,454 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 08:02:21,455 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 9 [2019-10-07 08:02:21,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 08:02:21,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 08:02:21,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 08:02:21,457 INFO L87 Difference]: Start difference. First operand 107155 states and 144738 transitions. Second operand 6 states. [2019-10-07 08:02:33,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:02:33,090 INFO L93 Difference]: Finished difference Result 107155 states and 144738 transitions. [2019-10-07 08:02:33,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 08:02:33,090 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 306 [2019-10-07 08:02:33,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:02:33,452 INFO L225 Difference]: With dead ends: 107155 [2019-10-07 08:02:33,455 INFO L226 Difference]: Without dead ends: 107153 [2019-10-07 08:02:33,491 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 626 GetRequests, 617 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-10-07 08:02:33,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107153 states. [2019-10-07 08:02:38,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107153 to 107153. [2019-10-07 08:02:38,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107153 states. [2019-10-07 08:02:39,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107153 states to 107153 states and 144659 transitions. [2019-10-07 08:02:39,308 INFO L78 Accepts]: Start accepts. Automaton has 107153 states and 144659 transitions. Word has length 306 [2019-10-07 08:02:39,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:02:39,308 INFO L462 AbstractCegarLoop]: Abstraction has 107153 states and 144659 transitions. [2019-10-07 08:02:39,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 08:02:39,309 INFO L276 IsEmpty]: Start isEmpty. Operand 107153 states and 144659 transitions. [2019-10-07 08:02:39,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2019-10-07 08:02:39,352 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:02:39,352 INFO L385 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 7, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:02:39,552 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 08:02:39,553 INFO L410 AbstractCegarLoop]: === Iteration 34 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 08:02:39,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:02:39,554 INFO L82 PathProgramCache]: Analyzing trace with hash 753178294, now seen corresponding path program 1 times [2019-10-07 08:02:39,554 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:02:39,554 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:02:39,555 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:02:39,555 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:02:39,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:02:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:02:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2019-10-07 08:02:39,998 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:02:39,998 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:02:39,999 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 08:02:39,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 08:02:40,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 08:02:40,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:02:40,000 INFO L87 Difference]: Start difference. First operand 107153 states and 144659 transitions. Second operand 5 states. [2019-10-07 08:02:53,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:02:53,572 INFO L93 Difference]: Finished difference Result 107153 states and 144659 transitions. [2019-10-07 08:02:53,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 08:02:53,573 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 326 [2019-10-07 08:02:53,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:02:53,576 INFO L225 Difference]: With dead ends: 107153 [2019-10-07 08:02:53,576 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 08:02:53,759 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 08:02:53,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 08:02:53,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 08:02:53,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 08:02:53,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 08:02:53,775 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 326 [2019-10-07 08:02:53,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:02:53,776 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 08:02:53,776 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 08:02:53,776 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 08:02:53,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 08:02:53,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 08:03:00,138 WARN L191 SmtUtils]: Spent 3.55 s on a formula simplification that was a NOOP. DAG size: 1