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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:08:48,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:08:48,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:08:48,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:08:48,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:08:48,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:08:48,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:08:48,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:08:48,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:08:48,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:08:48,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:08:48,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:08:48,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:08:48,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:08:48,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:08:48,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:08:48,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:08:48,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:08:48,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:08:48,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:08:48,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:08:48,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:08:48,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:08:48,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:08:48,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:08:48,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:08:48,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:08:48,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:08:48,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:08:48,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:08:48,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:08:48,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:08:48,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:08:48,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:08:48,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:08:48,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:08:48,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:08:48,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:08:48,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:08:48,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:08:48,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:08:48,537 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 [2019-10-13 22:08:48,574 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:08:48,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:08:48,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:08:48,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:08:48,577 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:08:48,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:08:48,578 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:08:48,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:08:48,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:08:48,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:08:48,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:08:48,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:08:48,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:08:48,580 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:08:48,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:08:48,581 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:08:48,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:08:48,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:08:48,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:08:48,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:08:48,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:08:48,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:08:48,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:08:48,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:08:48,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:08:48,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:08:48,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:08:48,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:08:48,584 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 [2019-10-13 22:08:48,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:08:48,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:08:48,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:08:48,874 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:08:48,874 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:08:48,875 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2019-10-13 22:08:48,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/150f20c91/26c3dda051ea4919b83961dcb17500ef/FLAGcca90134e [2019-10-13 22:08:49,802 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:08:49,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2019-10-13 22:08:49,838 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/150f20c91/26c3dda051ea4919b83961dcb17500ef/FLAGcca90134e [2019-10-13 22:08:50,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/150f20c91/26c3dda051ea4919b83961dcb17500ef [2019-10-13 22:08:50,266 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:08:50,267 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:08:50,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:08:50,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:08:50,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:08:50,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:08:50" (1/1) ... [2019-10-13 22:08:50,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ce5ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:50, skipping insertion in model container [2019-10-13 22:08:50,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:08:50" (1/1) ... [2019-10-13 22:08:50,282 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:08:50,447 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:08:52,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:08:52,693 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:08:53,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:08:53,520 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:08:53,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:53 WrapperNode [2019-10-13 22:08:53,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:08:53,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:08:53,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:08:53,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:08:53,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:53" (1/1) ... [2019-10-13 22:08:53,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:53" (1/1) ... [2019-10-13 22:08:53,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:53" (1/1) ... [2019-10-13 22:08:53,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:53" (1/1) ... [2019-10-13 22:08:53,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:53" (1/1) ... [2019-10-13 22:08:53,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:53" (1/1) ... [2019-10-13 22:08:53,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:53" (1/1) ... [2019-10-13 22:08:53,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:08:53,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:08:53,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:08:53,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:08:53,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:53" (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 [2019-10-13 22:08:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:08:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:08:53,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 22:08:53,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:08:53,889 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 22:08:53,889 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 22:08:53,890 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-13 22:08:53,890 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2019-10-13 22:08:53,890 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2019-10-13 22:08:53,890 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-10-13 22:08:53,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 22:08:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:08:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:08:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:08:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:08:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:08:53,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:08:53,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:08:53,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:08:53,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:08:53,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:08:53,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 22:08:53,897 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-10-13 22:08:53,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-10-13 22:08:53,898 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-10-13 22:08:53,898 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2019-10-13 22:08:53,898 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2019-10-13 22:08:53,898 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-13 22:08:53,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2019-10-13 22:08:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-13 22:08:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wiphy_dev [2019-10-13 22:08:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_DEV [2019-10-13 22:08:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_rx_cb [2019-10-13 22:08:53,899 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_cb [2019-10-13 22:08:53,900 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_dummy_cb [2019-10-13 22:08:53,900 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2019-10-13 22:08:53,900 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2019-10-13 22:08:53,900 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_init_urbs [2019-10-13 22:08:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2019-10-13 22:08:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_lm87_chksum [2019-10-13 22:08:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_lm87 [2019-10-13 22:08:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_net2280 [2019-10-13 22:08:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2019-10-13 22:08:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2019-10-13 22:08:53,901 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2019-10-13 22:08:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_device_reset [2019-10-13 22:08:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_firmware_reset_3887 [2019-10-13 22:08:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_3887 [2019-10-13 22:08:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_net2280 [2019-10-13 22:08:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2019-10-13 22:08:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_start_ops [2019-10-13 22:08:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware_cb [2019-10-13 22:08:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware [2019-10-13 22:08:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_probe [2019-10-13 22:08:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2019-10-13 22:08:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2019-10-13 22:08:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2019-10-13 22:08:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2019-10-13 22:08:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_suspend [2019-10-13 22:08:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_init [2019-10-13 22:08:53,904 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_exit [2019-10-13 22:08:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-13 22:08:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:08:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 22:08:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2019-10-13 22:08:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2019-10-13 22:08:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_4 [2019-10-13 22:08:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_5 [2019-10-13 22:08:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2019-10-13 22:08:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2019-10-13 22:08:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_8 [2019-10-13 22:08:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_9 [2019-10-13 22:08:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2019-10-13 22:08:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_12 [2019-10-13 22:08:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_13 [2019-10-13 22:08:53,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_14 [2019-10-13 22:08:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_17 [2019-10-13 22:08:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2019-10-13 22:08:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_19 [2019-10-13 22:08:53,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_20 [2019-10-13 22:08:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_21 [2019-10-13 22:08:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_22 [2019-10-13 22:08:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_23 [2019-10-13 22:08:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_24 [2019-10-13 22:08:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_26 [2019-10-13 22:08:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_30 [2019-10-13 22:08:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_31 [2019-10-13 22:08:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-13 22:08:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-10-13 22:08:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-10-13 22:08:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-10-13 22:08:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-10-13 22:08:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-10-13 22:08:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-10-13 22:08:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-10-13 22:08:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-10-13 22:08:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-13 22:08:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-10-13 22:08:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-10-13 22:08:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-10-13 22:08:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-10-13 22:08:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-10-13 22:08:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-10-13 22:08:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:08:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 22:08:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 22:08:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-10-13 22:08:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 22:08:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-13 22:08:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-13 22:08:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-13 22:08:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 22:08:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-13 22:08:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure device_release_driver [2019-10-13 22:08:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_restart_hw [2019-10-13 22:08:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-10-13 22:08:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2019-10-13 22:08:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:08:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-13 22:08:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-13 22:08:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:08:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_common [2019-10-13 22:08:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_skb [2019-10-13 22:08:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_init_common [2019-10-13 22:08:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_parse_firmware [2019-10-13 22:08:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_read_eeprom [2019-10-13 22:08:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_register_common [2019-10-13 22:08:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_rx [2019-10-13 22:08:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_unregister_common [2019-10-13 22:08:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-13 22:08:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware_nowait [2019-10-13 22:08:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-13 22:08:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-13 22:08:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 22:08:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-10-13 22:08:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-13 22:08:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2019-10-13 22:08:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-10-13 22:08:53,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-13 22:08:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 22:08:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-10-13 22:08:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_interrupt_msg [2019-10-13 22:08:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2019-10-13 22:08:53,929 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_lock_device_for_reset [2019-10-13 22:08:53,936 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 22:08:53,937 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-10-13 22:08:53,937 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2019-10-13 22:08:53,938 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-13 22:08:53,938 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:08:53,938 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:08:53,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:08:53,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:08:53,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 22:08:53,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-10-13 22:08:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:08:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:08:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 22:08:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:08:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-13 22:08:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-13 22:08:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-10-13 22:08:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2019-10-13 22:08:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 22:08:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 22:08:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:08:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 22:08:53,942 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 22:08:53,942 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-13 22:08:53,942 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 22:08:53,942 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-13 22:08:53,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:08:53,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:08:53,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:08:53,943 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-13 22:08:53,943 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-13 22:08:53,943 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-13 22:08:53,943 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:08:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2019-10-13 22:08:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2019-10-13 22:08:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure device_release_driver [2019-10-13 22:08:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 22:08:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-13 22:08:53,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2019-10-13 22:08:53,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_23 [2019-10-13 22:08:53,945 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 22:08:53,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_22 [2019-10-13 22:08:53,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_24 [2019-10-13 22:08:53,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_21 [2019-10-13 22:08:53,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_26 [2019-10-13 22:08:53,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_lock_device_for_reset [2019-10-13 22:08:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-10-13 22:08:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-10-13 22:08:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 22:08:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_30 [2019-10-13 22:08:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 22:08:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_31 [2019-10-13 22:08:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-10-13 22:08:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_5 [2019-10-13 22:08:53,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_4 [2019-10-13 22:08:53,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_9 [2019-10-13 22:08:53,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_13 [2019-10-13 22:08:53,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_14 [2019-10-13 22:08:53,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2019-10-13 22:08:53,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_8 [2019-10-13 22:08:53,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_12 [2019-10-13 22:08:53,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_19 [2019-10-13 22:08:53,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_20 [2019-10-13 22:08:53,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2019-10-13 22:08:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2019-10-13 22:08:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2019-10-13 22:08:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_17 [2019-10-13 22:08:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2019-10-13 22:08:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2019-10-13 22:08:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-10-13 22:08:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2019-10-13 22:08:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interrupt_msg [2019-10-13 22:08:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-13 22:08:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 22:08:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:08:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-10-13 22:08:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-10-13 22:08:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-10-13 22:08:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-10-13 22:08:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-13 22:08:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-10-13 22:08:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-10-13 22:08:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-10-13 22:08:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-10-13 22:08:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:08:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:08:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:08:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:08:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:08:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:08:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:08:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:08:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:08:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:08:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:08:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:08:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:08:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:08:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:08:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:08:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:08:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:08:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 22:08:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-13 22:08:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware_nowait [2019-10-13 22:08:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-13 22:08:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-10-13 22:08:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-10-13 22:08:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-10-13 22:08:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-10-13 22:08:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-10-13 22:08:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2019-10-13 22:08:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2019-10-13 22:08:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:08:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2019-10-13 22:08:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 22:08:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-13 22:08:53,966 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-13 22:08:53,966 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-13 22:08:53,966 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-10-13 22:08:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-13 22:08:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2019-10-13 22:08:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-13 22:08:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-13 22:08:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-13 22:08:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure set_wiphy_dev [2019-10-13 22:08:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_DEV [2019-10-13 22:08:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_restart_hw [2019-10-13 22:08:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure p54_rx [2019-10-13 22:08:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_skb [2019-10-13 22:08:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure p54_parse_firmware [2019-10-13 22:08:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure p54_read_eeprom [2019-10-13 22:08:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure p54_init_common [2019-10-13 22:08:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure p54_register_common [2019-10-13 22:08:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_common [2019-10-13 22:08:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure p54_unregister_common [2019-10-13 22:08:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_rx_cb [2019-10-13 22:08:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_cb [2019-10-13 22:08:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_dummy_cb [2019-10-13 22:08:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2019-10-13 22:08:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2019-10-13 22:08:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_init_urbs [2019-10-13 22:08:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2019-10-13 22:08:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_lm87_chksum [2019-10-13 22:08:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_lm87 [2019-10-13 22:08:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_net2280 [2019-10-13 22:08:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:08:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2019-10-13 22:08:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2019-10-13 22:08:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2019-10-13 22:08:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_device_reset [2019-10-13 22:08:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_firmware_reset_3887 [2019-10-13 22:08:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_3887 [2019-10-13 22:08:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-10-13 22:08:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 22:08:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_net2280 [2019-10-13 22:08:53,973 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2019-10-13 22:08:53,973 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_start_ops [2019-10-13 22:08:53,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 22:08:53,973 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware_cb [2019-10-13 22:08:53,973 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware [2019-10-13 22:08:53,973 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_probe [2019-10-13 22:08:53,973 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2019-10-13 22:08:53,973 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2019-10-13 22:08:53,974 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2019-10-13 22:08:53,974 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2019-10-13 22:08:53,974 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_suspend [2019-10-13 22:08:53,974 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_init [2019-10-13 22:08:53,974 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_exit [2019-10-13 22:08:53,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:08:53,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:08:53,974 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:08:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-13 22:08:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-10-13 22:08:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-10-13 22:08:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:08:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-10-13 22:08:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-10-13 22:08:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-10-13 22:08:53,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-10-13 22:08:53,976 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:08:53,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 22:08:53,976 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:08:53,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:08:53,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:08:53,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:08:53,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:08:53,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:08:53,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:08:53,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:08:53,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:08:54,964 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:09:20,917 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-13 22:09:27,863 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:09:27,863 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 22:09:27,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:09:27 BoogieIcfgContainer [2019-10-13 22:09:27,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:09:27,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:09:27,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:09:27,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:09:27,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:08:50" (1/3) ... [2019-10-13 22:09:27,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228a768c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:09:27, skipping insertion in model container [2019-10-13 22:09:27,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:53" (2/3) ... [2019-10-13 22:09:27,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228a768c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:09:27, skipping insertion in model container [2019-10-13 22:09:27,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:09:27" (3/3) ... [2019-10-13 22:09:27,874 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2019-10-13 22:09:27,884 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:09:27,893 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:09:27,905 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:09:27,938 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:09:27,939 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:09:27,939 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:09:27,939 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:09:27,939 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:09:27,939 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:09:27,939 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:09:27,939 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:09:27,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states. [2019-10-13 22:09:28,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-13 22:09:28,007 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:09:28,009 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:09:28,012 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:09:28,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:09:28,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1686872244, now seen corresponding path program 1 times [2019-10-13 22:09:28,027 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:09:28,027 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986794020] [2019-10-13 22:09:28,028 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:09:28,028 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:09:28,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:09:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:09:28,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:09:28,709 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986794020] [2019-10-13 22:09:28,710 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:09:28,710 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:09:28,711 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183645902] [2019-10-13 22:09:28,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:09:28,716 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:09:28,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:09:28,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:09:28,730 INFO L87 Difference]: Start difference. First operand 1058 states. Second operand 3 states. [2019-10-13 22:09:31,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:09:31,170 INFO L93 Difference]: Finished difference Result 2628 states and 3496 transitions. [2019-10-13 22:09:31,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:09:31,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-10-13 22:09:31,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:09:31,211 INFO L225 Difference]: With dead ends: 2628 [2019-10-13 22:09:31,211 INFO L226 Difference]: Without dead ends: 1720 [2019-10-13 22:09:31,223 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:09:31,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2019-10-13 22:09:31,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1720. [2019-10-13 22:09:31,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1720 states. [2019-10-13 22:09:31,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2264 transitions. [2019-10-13 22:09:31,462 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2264 transitions. Word has length 40 [2019-10-13 22:09:31,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:09:31,464 INFO L462 AbstractCegarLoop]: Abstraction has 1720 states and 2264 transitions. [2019-10-13 22:09:31,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:09:31,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2264 transitions. [2019-10-13 22:09:31,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 22:09:31,476 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:09:31,476 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 22:09:31,477 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:09:31,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:09:31,477 INFO L82 PathProgramCache]: Analyzing trace with hash -226570333, now seen corresponding path program 1 times [2019-10-13 22:09:31,477 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:09:31,478 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168820985] [2019-10-13 22:09:31,478 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:09:31,478 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:09:31,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:09:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:09:31,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 22:09:31,853 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168820985] [2019-10-13 22:09:31,853 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:09:31,854 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:09:31,854 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586133298] [2019-10-13 22:09:31,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:09:31,858 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:09:31,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:09:31,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:09:31,859 INFO L87 Difference]: Start difference. First operand 1720 states and 2264 transitions. Second operand 3 states. [2019-10-13 22:09:32,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:09:32,038 INFO L93 Difference]: Finished difference Result 3081 states and 4096 transitions. [2019-10-13 22:09:32,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:09:32,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 22:09:32,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:09:32,067 INFO L225 Difference]: With dead ends: 3081 [2019-10-13 22:09:32,067 INFO L226 Difference]: Without dead ends: 3078 [2019-10-13 22:09:32,070 INFO L600 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 [2019-10-13 22:09:32,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3078 states. [2019-10-13 22:09:32,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3078 to 3066. [2019-10-13 22:09:32,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3066 states. [2019-10-13 22:09:32,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3066 states to 3066 states and 4079 transitions. [2019-10-13 22:09:32,257 INFO L78 Accepts]: Start accepts. Automaton has 3066 states and 4079 transitions. Word has length 53 [2019-10-13 22:09:32,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:09:32,257 INFO L462 AbstractCegarLoop]: Abstraction has 3066 states and 4079 transitions. [2019-10-13 22:09:32,257 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:09:32,257 INFO L276 IsEmpty]: Start isEmpty. Operand 3066 states and 4079 transitions. [2019-10-13 22:09:32,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-13 22:09:32,261 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:09:32,262 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 22:09:32,262 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:09:32,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:09:32,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1565618412, now seen corresponding path program 1 times [2019-10-13 22:09:32,263 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:09:32,263 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571096888] [2019-10-13 22:09:32,263 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:09:32,263 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:09:32,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:09:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:09:32,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 22:09:32,630 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571096888] [2019-10-13 22:09:32,630 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:09:32,630 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:09:32,630 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272781967] [2019-10-13 22:09:32,631 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:09:32,631 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:09:32,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:09:32,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:09:32,632 INFO L87 Difference]: Start difference. First operand 3066 states and 4079 transitions. Second operand 3 states. [2019-10-13 22:09:32,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:09:32,964 INFO L93 Difference]: Finished difference Result 8895 states and 11910 transitions. [2019-10-13 22:09:32,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:09:32,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-10-13 22:09:32,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:09:33,014 INFO L225 Difference]: With dead ends: 8895 [2019-10-13 22:09:33,015 INFO L226 Difference]: Without dead ends: 5852 [2019-10-13 22:09:33,031 INFO L600 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 [2019-10-13 22:09:33,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5852 states.