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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -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 20:23:12,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:23:12,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:23:12,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:23:12,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:23:12,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:23:12,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:23:12,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:23:12,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:23:12,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:23:12,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:23:12,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:23:12,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:23:12,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:23:12,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:23:12,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:23:12,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:23:12,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:23:12,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:23:12,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:23:12,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:23:12,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:23:12,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:23:12,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:23:12,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:23:12,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:23:12,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:23:12,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:23:12,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:23:12,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:23:12,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:23:12,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:23:12,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:23:12,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:23:12,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:23:12,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:23:12,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:23:12,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:23:12,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:23:12,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:23:12,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:23:12,428 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 20:23:12,451 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:23:12,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:23:12,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:23:12,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:23:12,453 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:23:12,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:23:12,454 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:23:12,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:23:12,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:23:12,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:23:12,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:23:12,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:23:12,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:23:12,456 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:23:12,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:23:12,456 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:23:12,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:23:12,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:23:12,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:23:12,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:23:12,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:23:12,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:23:12,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:23:12,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:23:12,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:23:12,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:23:12,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:23:12,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:23:12,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 20:23:12,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:23:12,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:23:12,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:23:12,754 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:23:12,755 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:23:12,756 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2019-10-13 20:23:12,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82eac6022/4373fb962917409da5fdb8f61011fd27/FLAGeda52d475 [2019-10-13 20:23:13,634 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:23:13,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2019-10-13 20:23:13,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82eac6022/4373fb962917409da5fdb8f61011fd27/FLAGeda52d475 [2019-10-13 20:23:14,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82eac6022/4373fb962917409da5fdb8f61011fd27 [2019-10-13 20:23:14,167 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:23:14,169 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:23:14,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:23:14,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:23:14,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:23:14,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:23:14" (1/1) ... [2019-10-13 20:23:14,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c73edbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:14, skipping insertion in model container [2019-10-13 20:23:14,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:23:14" (1/1) ... [2019-10-13 20:23:14,183 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:23:14,351 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:23:16,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:23:16,400 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:23:16,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:23:17,071 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:23:17,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:17 WrapperNode [2019-10-13 20:23:17,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:23:17,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:23:17,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:23:17,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:23:17,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:17" (1/1) ... [2019-10-13 20:23:17,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:17" (1/1) ... [2019-10-13 20:23:17,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:17" (1/1) ... [2019-10-13 20:23:17,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:17" (1/1) ... [2019-10-13 20:23:17,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:17" (1/1) ... [2019-10-13 20:23:17,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:17" (1/1) ... [2019-10-13 20:23:17,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:17" (1/1) ... [2019-10-13 20:23:17,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:23:17,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:23:17,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:23:17,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:23:17,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:17" (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 20:23:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:23:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:23:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:23:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:23:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:23:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:23:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-13 20:23:17,432 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2019-10-13 20:23:17,432 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2019-10-13 20:23:17,432 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-10-13 20:23:17,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 20:23:17,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:23:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:23:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:23:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:23:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:23:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:23:17,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:23:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:23:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:23:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:23:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 20:23:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-10-13 20:23:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-10-13 20:23:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-10-13 20:23:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2019-10-13 20:23:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2019-10-13 20:23:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-13 20:23:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2019-10-13 20:23:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-13 20:23:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wiphy_dev [2019-10-13 20:23:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_DEV [2019-10-13 20:23:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_rx_cb [2019-10-13 20:23:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_cb [2019-10-13 20:23:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_dummy_cb [2019-10-13 20:23:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2019-10-13 20:23:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2019-10-13 20:23:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_init_urbs [2019-10-13 20:23:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2019-10-13 20:23:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_lm87_chksum [2019-10-13 20:23:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_lm87 [2019-10-13 20:23:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_net2280 [2019-10-13 20:23:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2019-10-13 20:23:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2019-10-13 20:23:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2019-10-13 20:23:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_device_reset [2019-10-13 20:23:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_firmware_reset_3887 [2019-10-13 20:23:17,445 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_3887 [2019-10-13 20:23:17,445 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_net2280 [2019-10-13 20:23:17,445 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2019-10-13 20:23:17,445 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_start_ops [2019-10-13 20:23:17,445 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware_cb [2019-10-13 20:23:17,445 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware [2019-10-13 20:23:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_probe [2019-10-13 20:23:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2019-10-13 20:23:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2019-10-13 20:23:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2019-10-13 20:23:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2019-10-13 20:23:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_suspend [2019-10-13 20:23:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_init [2019-10-13 20:23:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_exit [2019-10-13 20:23:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-13 20:23:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:23:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 20:23:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2019-10-13 20:23:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2019-10-13 20:23:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_4 [2019-10-13 20:23:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_5 [2019-10-13 20:23:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2019-10-13 20:23:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2019-10-13 20:23:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_8 [2019-10-13 20:23:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_9 [2019-10-13 20:23:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2019-10-13 20:23:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_12 [2019-10-13 20:23:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_13 [2019-10-13 20:23:17,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_14 [2019-10-13 20:23:17,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_17 [2019-10-13 20:23:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2019-10-13 20:23:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_19 [2019-10-13 20:23:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_20 [2019-10-13 20:23:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_21 [2019-10-13 20:23:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_22 [2019-10-13 20:23:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_23 [2019-10-13 20:23:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_24 [2019-10-13 20:23:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_26 [2019-10-13 20:23:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_30 [2019-10-13 20:23:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_31 [2019-10-13 20:23:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-13 20:23:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-10-13 20:23:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-10-13 20:23:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-10-13 20:23:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-10-13 20:23:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-10-13 20:23:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-10-13 20:23:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-10-13 20:23:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-10-13 20:23:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-13 20:23:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-10-13 20:23:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-10-13 20:23:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-10-13 20:23:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-10-13 20:23:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-10-13 20:23:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-10-13 20:23:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:23:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 20:23:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 20:23:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-10-13 20:23:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:23:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-13 20:23:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-13 20:23:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-13 20:23:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 20:23:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-13 20:23:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure device_release_driver [2019-10-13 20:23:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_restart_hw [2019-10-13 20:23:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-10-13 20:23:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2019-10-13 20:23:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:23:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-13 20:23:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-13 20:23:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:23:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_common [2019-10-13 20:23:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_skb [2019-10-13 20:23:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_init_common [2019-10-13 20:23:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_parse_firmware [2019-10-13 20:23:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_read_eeprom [2019-10-13 20:23:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_register_common [2019-10-13 20:23:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_rx [2019-10-13 20:23:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_unregister_common [2019-10-13 20:23:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-13 20:23:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware_nowait [2019-10-13 20:23:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-13 20:23:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-13 20:23:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 20:23:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-10-13 20:23:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-13 20:23:17,466 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2019-10-13 20:23:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-10-13 20:23:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-13 20:23:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 20:23:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-10-13 20:23:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_interrupt_msg [2019-10-13 20:23:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2019-10-13 20:23:17,471 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_lock_device_for_reset [2019-10-13 20:23:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 20:23:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-10-13 20:23:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2019-10-13 20:23:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-13 20:23:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:23:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:23:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:23:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:23:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:23:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-10-13 20:23:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:23:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:23:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:23:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:23:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-13 20:23:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-13 20:23:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-10-13 20:23:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2019-10-13 20:23:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 20:23:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:23:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:23:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:23:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:23:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-13 20:23:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 20:23:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-13 20:23:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:23:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:23:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:23:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-13 20:23:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-13 20:23:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-13 20:23:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:23:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2019-10-13 20:23:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2019-10-13 20:23:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure device_release_driver [2019-10-13 20:23:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 20:23:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-13 20:23:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2019-10-13 20:23:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_23 [2019-10-13 20:23:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 20:23:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_22 [2019-10-13 20:23:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_24 [2019-10-13 20:23:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_21 [2019-10-13 20:23:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_26 [2019-10-13 20:23:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_lock_device_for_reset [2019-10-13 20:23:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-10-13 20:23:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-10-13 20:23:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 20:23:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_30 [2019-10-13 20:23:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 20:23:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_31 [2019-10-13 20:23:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-10-13 20:23:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_5 [2019-10-13 20:23:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_4 [2019-10-13 20:23:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_9 [2019-10-13 20:23:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_13 [2019-10-13 20:23:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_14 [2019-10-13 20:23:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2019-10-13 20:23:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_8 [2019-10-13 20:23:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_12 [2019-10-13 20:23:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_19 [2019-10-13 20:23:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_20 [2019-10-13 20:23:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2019-10-13 20:23:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2019-10-13 20:23:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2019-10-13 20:23:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_17 [2019-10-13 20:23:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2019-10-13 20:23:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2019-10-13 20:23:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-10-13 20:23:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2019-10-13 20:23:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interrupt_msg [2019-10-13 20:23:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-13 20:23:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 20:23:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:23:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-10-13 20:23:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-10-13 20:23:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-10-13 20:23:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-10-13 20:23:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-13 20:23:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-10-13 20:23:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-10-13 20:23:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-10-13 20:23:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-10-13 20:23:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:23:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:23:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:23:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:23:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:23:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:23:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:23:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:23:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:23:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:23:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:23:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:23:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:23:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:23:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:23:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:23:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:23:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:23:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 20:23:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-13 20:23:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware_nowait [2019-10-13 20:23:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-13 20:23:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-10-13 20:23:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-10-13 20:23:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-10-13 20:23:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-10-13 20:23:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-10-13 20:23:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2019-10-13 20:23:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2019-10-13 20:23:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:23:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2019-10-13 20:23:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 20:23:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-13 20:23:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-13 20:23:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-13 20:23:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-10-13 20:23:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-13 20:23:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2019-10-13 20:23:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-13 20:23:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-13 20:23:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-13 20:23:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure set_wiphy_dev [2019-10-13 20:23:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_DEV [2019-10-13 20:23:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_restart_hw [2019-10-13 20:23:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure p54_rx [2019-10-13 20:23:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_skb [2019-10-13 20:23:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure p54_parse_firmware [2019-10-13 20:23:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure p54_read_eeprom [2019-10-13 20:23:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure p54_init_common [2019-10-13 20:23:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure p54_register_common [2019-10-13 20:23:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_common [2019-10-13 20:23:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure p54_unregister_common [2019-10-13 20:23:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_rx_cb [2019-10-13 20:23:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_cb [2019-10-13 20:23:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_dummy_cb [2019-10-13 20:23:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2019-10-13 20:23:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2019-10-13 20:23:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_init_urbs [2019-10-13 20:23:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2019-10-13 20:23:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_lm87_chksum [2019-10-13 20:23:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_lm87 [2019-10-13 20:23:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_net2280 [2019-10-13 20:23:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:23:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2019-10-13 20:23:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2019-10-13 20:23:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2019-10-13 20:23:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_device_reset [2019-10-13 20:23:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_firmware_reset_3887 [2019-10-13 20:23:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_3887 [2019-10-13 20:23:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-10-13 20:23:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:23:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_net2280 [2019-10-13 20:23:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2019-10-13 20:23:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_start_ops [2019-10-13 20:23:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:23:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware_cb [2019-10-13 20:23:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware [2019-10-13 20:23:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_probe [2019-10-13 20:23:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2019-10-13 20:23:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2019-10-13 20:23:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2019-10-13 20:23:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2019-10-13 20:23:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_suspend [2019-10-13 20:23:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_init [2019-10-13 20:23:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_exit [2019-10-13 20:23:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:23:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:23:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:23:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-13 20:23:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-10-13 20:23:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-10-13 20:23:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:23:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-10-13 20:23:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-10-13 20:23:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-10-13 20:23:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-10-13 20:23:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:23:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 20:23:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:23:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:23:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:23:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:23:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:23:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:23:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:23:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:23:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:23:18,405 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:23:44,976 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-13 20:23:45,919 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:23:45,920 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 20:23:45,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:23:45 BoogieIcfgContainer [2019-10-13 20:23:45,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:23:45,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:23:45,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:23:45,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:23:45,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:23:14" (1/3) ... [2019-10-13 20:23:45,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556bc297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:23:45, skipping insertion in model container [2019-10-13 20:23:45,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:17" (2/3) ... [2019-10-13 20:23:45,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556bc297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:23:45, skipping insertion in model container [2019-10-13 20:23:45,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:23:45" (3/3) ... [2019-10-13 20:23:45,931 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 20:23:45,942 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:23:45,961 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:23:45,974 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:23:46,027 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:23:46,027 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:23:46,028 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:23:46,028 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:23:46,028 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:23:46,028 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:23:46,028 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:23:46,028 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:23:46,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states. [2019-10-13 20:23:46,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-13 20:23:46,114 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:46,116 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, 1, 1, 1, 1] [2019-10-13 20:23:46,119 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:46,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:46,125 INFO L82 PathProgramCache]: Analyzing trace with hash -956714619, now seen corresponding path program 1 times [2019-10-13 20:23:46,134 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:46,135 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571475908] [2019-10-13 20:23:46,135 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:46,135 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:46,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:46,992 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 20:23:46,993 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571475908] [2019-10-13 20:23:46,994 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:46,994 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:46,994 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251628534] [2019-10-13 20:23:47,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:47,001 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:47,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:47,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:47,021 INFO L87 Difference]: Start difference. First operand 1232 states. Second operand 3 states. [2019-10-13 20:23:49,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:49,475 INFO L93 Difference]: Finished difference Result 3077 states and 4071 transitions. [2019-10-13 20:23:49,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:49,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-10-13 20:23:49,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:49,522 INFO L225 Difference]: With dead ends: 3077 [2019-10-13 20:23:49,522 INFO L226 Difference]: Without dead ends: 2016 [2019-10-13 20:23:49,535 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 20:23:49,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2016 states. [2019-10-13 20:23:49,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2016 to 2016. [2019-10-13 20:23:49,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2016 states. [2019-10-13 20:23:49,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 2016 states and 2644 transitions. [2019-10-13 20:23:49,825 INFO L78 Accepts]: Start accepts. Automaton has 2016 states and 2644 transitions. Word has length 44 [2019-10-13 20:23:49,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:49,825 INFO L462 AbstractCegarLoop]: Abstraction has 2016 states and 2644 transitions. [2019-10-13 20:23:49,826 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:49,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2016 states and 2644 transitions. [2019-10-13 20:23:49,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 20:23:49,840 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:49,840 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, 1, 1, 1, 1, 1, 1] [2019-10-13 20:23:49,840 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:49,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:49,841 INFO L82 PathProgramCache]: Analyzing trace with hash 430186242, now seen corresponding path program 1 times [2019-10-13 20:23:49,841 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:49,841 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085303263] [2019-10-13 20:23:49,841 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:49,841 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:49,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:50,127 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 20:23:50,128 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085303263] [2019-10-13 20:23:50,129 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:50,129 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:50,129 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215269398] [2019-10-13 20:23:50,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:50,132 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:50,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:50,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:50,133 INFO L87 Difference]: Start difference. First operand 2016 states and 2644 transitions. Second operand 3 states. [2019-10-13 20:23:50,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:50,294 INFO L93 Difference]: Finished difference Result 2042 states and 2676 transitions. [2019-10-13 20:23:50,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:50,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 20:23:50,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:50,309 INFO L225 Difference]: With dead ends: 2042 [2019-10-13 20:23:50,310 INFO L226 Difference]: Without dead ends: 2029 [2019-10-13 20:23:50,313 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 20:23:50,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2029 states. [2019-10-13 20:23:50,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2029 to 2016. [2019-10-13 20:23:50,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2016 states. [2019-10-13 20:23:50,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 2016 states and 2643 transitions. [2019-10-13 20:23:50,429 INFO L78 Accepts]: Start accepts. Automaton has 2016 states and 2643 transitions. Word has length 60 [2019-10-13 20:23:50,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:50,430 INFO L462 AbstractCegarLoop]: Abstraction has 2016 states and 2643 transitions. [2019-10-13 20:23:50,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:50,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2016 states and 2643 transitions. [2019-10-13 20:23:50,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 20:23:50,433 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:50,433 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, 1, 1, 1, 1, 1, 1] [2019-10-13 20:23:50,433 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:50,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:50,434 INFO L82 PathProgramCache]: Analyzing trace with hash 487444544, now seen corresponding path program 1 times [2019-10-13 20:23:50,434 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:50,434 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890787593] [2019-10-13 20:23:50,434 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:50,434 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:50,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:50,703 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 20:23:50,704 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890787593] [2019-10-13 20:23:50,704 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:50,704 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:50,704 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138083998] [2019-10-13 20:23:50,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:50,705 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:50,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:50,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:50,705 INFO L87 Difference]: Start difference. First operand 2016 states and 2643 transitions. Second operand 3 states. [2019-10-13 20:23:50,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:50,947 INFO L93 Difference]: Finished difference Result 5995 states and 7956 transitions. [2019-10-13 20:23:50,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:50,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 20:23:50,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:50,981 INFO L225 Difference]: With dead ends: 5995 [2019-10-13 20:23:50,981 INFO L226 Difference]: Without dead ends: 4005 [2019-10-13 20:23:50,991 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 20:23:50,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4005 states. [2019-10-13 20:23:51,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4005 to 3995. [2019-10-13 20:23:51,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3995 states. [2019-10-13 20:23:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3995 states to 3995 states and 5286 transitions. [2019-10-13 20:23:51,224 INFO L78 Accepts]: Start accepts. Automaton has 3995 states and 5286 transitions. Word has length 60 [2019-10-13 20:23:51,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:51,228 INFO L462 AbstractCegarLoop]: Abstraction has 3995 states and 5286 transitions. [2019-10-13 20:23:51,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:51,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3995 states and 5286 transitions. [2019-10-13 20:23:51,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 20:23:51,231 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:51,232 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:23:51,232 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:51,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:51,232 INFO L82 PathProgramCache]: Analyzing trace with hash -2069724177, now seen corresponding path program 1 times [2019-10-13 20:23:51,233 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:51,233 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426944129] [2019-10-13 20:23:51,233 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:51,234 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:51,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:51,646 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 20:23:51,646 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426944129] [2019-10-13 20:23:51,646 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:51,647 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:51,647 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125686072] [2019-10-13 20:23:51,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:51,648 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:51,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:51,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:51,650 INFO L87 Difference]: Start difference. First operand 3995 states and 5286 transitions. Second operand 3 states. [2019-10-13 20:23:52,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:52,020 INFO L93 Difference]: Finished difference Result 11924 states and 16149 transitions. [2019-10-13 20:23:52,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:52,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-10-13 20:23:52,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:52,076 INFO L225 Difference]: With dead ends: 11924 [2019-10-13 20:23:52,076 INFO L226 Difference]: Without dead ends: 7955 [2019-10-13 20:23:52,104 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 20:23:52,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7955 states. [2019-10-13 20:23:52,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7955 to 7946. [2019-10-13 20:23:52,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7946 states. [2019-10-13 20:23:52,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7946 states to 7946 states and 10644 transitions. [2019-10-13 20:23:52,643 INFO L78 Accepts]: Start accepts. Automaton has 7946 states and 10644 transitions. Word has length 61 [2019-10-13 20:23:52,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:52,648 INFO L462 AbstractCegarLoop]: Abstraction has 7946 states and 10644 transitions. [2019-10-13 20:23:52,648 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:52,648 INFO L276 IsEmpty]: Start isEmpty. Operand 7946 states and 10644 transitions. [2019-10-13 20:23:52,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-13 20:23:52,656 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:52,656 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:23:52,657 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:52,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:52,657 INFO L82 PathProgramCache]: Analyzing trace with hash 262428963, now seen corresponding path program 1 times [2019-10-13 20:23:52,658 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:52,658 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576751605] [2019-10-13 20:23:52,658 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:52,660 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:52,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:52,935 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 20:23:52,936 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576751605] [2019-10-13 20:23:52,936 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:52,936 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:52,936 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794663042] [2019-10-13 20:23:52,937 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:52,937 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:52,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:52,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:52,938 INFO L87 Difference]: Start difference. First operand 7946 states and 10644 transitions. Second operand 3 states. [2019-10-13 20:23:53,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:53,206 INFO L93 Difference]: Finished difference Result 7953 states and 10650 transitions. [2019-10-13 20:23:53,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:53,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2019-10-13 20:23:53,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:53,258 INFO L225 Difference]: With dead ends: 7953 [2019-10-13 20:23:53,258 INFO L226 Difference]: Without dead ends: 7950 [2019-10-13 20:23:53,265 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 20:23:53,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7950 states.