/usr/bin/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-fb55353 [2019-11-06 23:18:36,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 23:18:36,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 23:18:36,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 23:18:36,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 23:18:36,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 23:18:36,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 23:18:36,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 23:18:36,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 23:18:36,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 23:18:36,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 23:18:36,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 23:18:36,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 23:18:36,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 23:18:36,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 23:18:36,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 23:18:36,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 23:18:36,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 23:18:36,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 23:18:36,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 23:18:36,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 23:18:36,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 23:18:36,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 23:18:36,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 23:18:36,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 23:18:36,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 23:18:36,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 23:18:36,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 23:18:36,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 23:18:36,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 23:18:36,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 23:18:36,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 23:18:36,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 23:18:36,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 23:18:36,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 23:18:36,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 23:18:36,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 23:18:36,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 23:18:36,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 23:18:36,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 23:18:36,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 23:18:36,123 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 [2019-11-06 23:18:36,157 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 23:18:36,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 23:18:36,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 23:18:36,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 23:18:36,162 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 23:18:36,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 23:18:36,163 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 23:18:36,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 23:18:36,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 23:18:36,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 23:18:36,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 23:18:36,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 23:18:36,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 23:18:36,164 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 23:18:36,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 23:18:36,164 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 23:18:36,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 23:18:36,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 23:18:36,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 23:18:36,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 23:18:36,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 23:18:36,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 23:18:36,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 23:18:36,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 23:18:36,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 23:18:36,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 23:18:36,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 23:18:36,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 23:18:36,168 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 [2019-11-06 23:18:36,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 23:18:36,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 23:18:36,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 23:18:36,447 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 23:18:36,447 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 23:18:36,448 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2019-11-06 23:18:36,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/439891eda/f1d9f8b7bf124b09baa096f6b0de268a/FLAGa498dea64 [2019-11-06 23:18:37,304 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 23:18:37,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2019-11-06 23:18:37,347 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/439891eda/f1d9f8b7bf124b09baa096f6b0de268a/FLAGa498dea64 [2019-11-06 23:18:37,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/439891eda/f1d9f8b7bf124b09baa096f6b0de268a [2019-11-06 23:18:37,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 23:18:37,854 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 23:18:37,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 23:18:37,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 23:18:37,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 23:18:37,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:18:37" (1/1) ... [2019-11-06 23:18:37,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306e6193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:18:37, skipping insertion in model container [2019-11-06 23:18:37,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:18:37" (1/1) ... [2019-11-06 23:18:37,873 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 23:18:38,026 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 23:18:39,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:18:39,634 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 23:18:39,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:18:40,230 INFO L192 MainTranslator]: Completed translation [2019-11-06 23:18:40,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:18:40 WrapperNode [2019-11-06 23:18:40,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 23:18:40,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 23:18:40,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 23:18:40,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 23:18:40,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:18:40" (1/1) ... [2019-11-06 23:18:40,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:18:40" (1/1) ... [2019-11-06 23:18:40,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:18:40" (1/1) ... [2019-11-06 23:18:40,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:18:40" (1/1) ... [2019-11-06 23:18:40,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:18:40" (1/1) ... [2019-11-06 23:18:40,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:18:40" (1/1) ... [2019-11-06 23:18:40,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:18:40" (1/1) ... [2019-11-06 23:18:40,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 23:18:40,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 23:18:40,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 23:18:40,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 23:18:40,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:18:40" (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 [2019-11-06 23:18:40,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 23:18:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 23:18:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-11-06 23:18:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-06 23:18:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-06 23:18:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-06 23:18:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-11-06 23:18:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2019-11-06 23:18:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2019-11-06 23:18:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-11-06 23:18:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-11-06 23:18:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-06 23:18:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 23:18:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 23:18:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-06 23:18:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-06 23:18:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-06 23:18:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-06 23:18:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 23:18:40,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-06 23:18:40,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 23:18:40,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-06 23:18:40,584 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-11-06 23:18:40,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-11-06 23:18:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-11-06 23:18:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2019-11-06 23:18:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2019-11-06 23:18:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-11-06 23:18:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2019-11-06 23:18:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-11-06 23:18:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wiphy_dev [2019-11-06 23:18:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_DEV [2019-11-06 23:18:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_rx_cb [2019-11-06 23:18:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_cb [2019-11-06 23:18:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_dummy_cb [2019-11-06 23:18:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2019-11-06 23:18:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2019-11-06 23:18:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_init_urbs [2019-11-06 23:18:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2019-11-06 23:18:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_lm87_chksum [2019-11-06 23:18:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_lm87 [2019-11-06 23:18:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_net2280 [2019-11-06 23:18:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2019-11-06 23:18:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2019-11-06 23:18:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2019-11-06 23:18:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_device_reset [2019-11-06 23:18:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_firmware_reset_3887 [2019-11-06 23:18:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_3887 [2019-11-06 23:18:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_net2280 [2019-11-06 23:18:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2019-11-06 23:18:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_start_ops [2019-11-06 23:18:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware_cb [2019-11-06 23:18:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware [2019-11-06 23:18:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_probe [2019-11-06 23:18:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2019-11-06 23:18:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2019-11-06 23:18:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2019-11-06 23:18:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2019-11-06 23:18:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_suspend [2019-11-06 23:18:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_init [2019-11-06 23:18:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_exit [2019-11-06 23:18:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-11-06 23:18:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 23:18:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-11-06 23:18:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2019-11-06 23:18:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2019-11-06 23:18:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_4 [2019-11-06 23:18:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_5 [2019-11-06 23:18:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2019-11-06 23:18:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2019-11-06 23:18:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_8 [2019-11-06 23:18:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_9 [2019-11-06 23:18:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2019-11-06 23:18:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_12 [2019-11-06 23:18:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_13 [2019-11-06 23:18:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_14 [2019-11-06 23:18:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_17 [2019-11-06 23:18:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2019-11-06 23:18:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_19 [2019-11-06 23:18:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_20 [2019-11-06 23:18:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_21 [2019-11-06 23:18:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_22 [2019-11-06 23:18:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_23 [2019-11-06 23:18:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_24 [2019-11-06 23:18:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_26 [2019-11-06 23:18:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_30 [2019-11-06 23:18:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_31 [2019-11-06 23:18:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-11-06 23:18:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-11-06 23:18:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-11-06 23:18:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-11-06 23:18:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-11-06 23:18:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-11-06 23:18:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-11-06 23:18:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-11-06 23:18:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-11-06 23:18:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-11-06 23:18:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-11-06 23:18:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-11-06 23:18:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-11-06 23:18:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-11-06 23:18:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-11-06 23:18:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-11-06 23:18:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 23:18:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-11-06 23:18:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-11-06 23:18:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-11-06 23:18:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-06 23:18:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-11-06 23:18:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-11-06 23:18:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-11-06 23:18:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-06 23:18:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-11-06 23:18:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure device_release_driver [2019-11-06 23:18:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_restart_hw [2019-11-06 23:18:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-11-06 23:18:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2019-11-06 23:18:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 23:18:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-11-06 23:18:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-06 23:18:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 23:18:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_common [2019-11-06 23:18:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_skb [2019-11-06 23:18:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_init_common [2019-11-06 23:18:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_parse_firmware [2019-11-06 23:18:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_read_eeprom [2019-11-06 23:18:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_register_common [2019-11-06 23:18:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_rx [2019-11-06 23:18:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_unregister_common [2019-11-06 23:18:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-11-06 23:18:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware_nowait [2019-11-06 23:18:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-11-06 23:18:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-11-06 23:18:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-11-06 23:18:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-11-06 23:18:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-11-06 23:18:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2019-11-06 23:18:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-11-06 23:18:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-11-06 23:18:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-11-06 23:18:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-11-06 23:18:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_interrupt_msg [2019-11-06 23:18:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2019-11-06 23:18:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_lock_device_for_reset [2019-11-06 23:18:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-11-06 23:18:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-11-06 23:18:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2019-11-06 23:18:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-11-06 23:18:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 23:18:40,620 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 23:18:40,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-06 23:18:40,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-06 23:18:40,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 23:18:40,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-11-06 23:18:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 23:18:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 23:18:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 23:18:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-06 23:18:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-11-06 23:18:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-11-06 23:18:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-11-06 23:18:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2019-11-06 23:18:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-11-06 23:18:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-06 23:18:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 23:18:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-06 23:18:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-06 23:18:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-11-06 23:18:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-11-06 23:18:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-11-06 23:18:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 23:18:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 23:18:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 23:18:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-11-06 23:18:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-11-06 23:18:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-06 23:18:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 23:18:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2019-11-06 23:18:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2019-11-06 23:18:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure device_release_driver [2019-11-06 23:18:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-06 23:18:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-11-06 23:18:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2019-11-06 23:18:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_23 [2019-11-06 23:18:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-11-06 23:18:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_22 [2019-11-06 23:18:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_24 [2019-11-06 23:18:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_21 [2019-11-06 23:18:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_26 [2019-11-06 23:18:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure usb_lock_device_for_reset [2019-11-06 23:18:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-11-06 23:18:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-11-06 23:18:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-11-06 23:18:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_30 [2019-11-06 23:18:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-11-06 23:18:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_31 [2019-11-06 23:18:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-11-06 23:18:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_5 [2019-11-06 23:18:40,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_4 [2019-11-06 23:18:40,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_9 [2019-11-06 23:18:40,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_13 [2019-11-06 23:18:40,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_14 [2019-11-06 23:18:40,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2019-11-06 23:18:40,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_8 [2019-11-06 23:18:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_12 [2019-11-06 23:18:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_19 [2019-11-06 23:18:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_20 [2019-11-06 23:18:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2019-11-06 23:18:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2019-11-06 23:18:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2019-11-06 23:18:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_17 [2019-11-06 23:18:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2019-11-06 23:18:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2019-11-06 23:18:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-11-06 23:18:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2019-11-06 23:18:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interrupt_msg [2019-11-06 23:18:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-11-06 23:18:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-11-06 23:18:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 23:18:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-11-06 23:18:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-11-06 23:18:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-11-06 23:18:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-11-06 23:18:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-11-06 23:18:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-11-06 23:18:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-11-06 23:18:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-11-06 23:18:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-11-06 23:18:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 23:18:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 23:18:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-06 23:18:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 23:18:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 23:18:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-06 23:18:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 23:18:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 23:18:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 23:18:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 23:18:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 23:18:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-06 23:18:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-06 23:18:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-06 23:18:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-06 23:18:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-06 23:18:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 23:18:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-06 23:18:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-06 23:18:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-11-06 23:18:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware_nowait [2019-11-06 23:18:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-11-06 23:18:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-11-06 23:18:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-11-06 23:18:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-11-06 23:18:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-11-06 23:18:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-11-06 23:18:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2019-11-06 23:18:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2019-11-06 23:18:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 23:18:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2019-11-06 23:18:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-11-06 23:18:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-11-06 23:18:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-11-06 23:18:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-11-06 23:18:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-11-06 23:18:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-11-06 23:18:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2019-11-06 23:18:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-11-06 23:18:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-11-06 23:18:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-11-06 23:18:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure set_wiphy_dev [2019-11-06 23:18:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_DEV [2019-11-06 23:18:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_restart_hw [2019-11-06 23:18:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure p54_rx [2019-11-06 23:18:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_skb [2019-11-06 23:18:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure p54_parse_firmware [2019-11-06 23:18:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure p54_read_eeprom [2019-11-06 23:18:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure p54_init_common [2019-11-06 23:18:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure p54_register_common [2019-11-06 23:18:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_common [2019-11-06 23:18:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure p54_unregister_common [2019-11-06 23:18:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_rx_cb [2019-11-06 23:18:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_cb [2019-11-06 23:18:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_dummy_cb [2019-11-06 23:18:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2019-11-06 23:18:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2019-11-06 23:18:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_init_urbs [2019-11-06 23:18:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2019-11-06 23:18:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_lm87_chksum [2019-11-06 23:18:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_lm87 [2019-11-06 23:18:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_net2280 [2019-11-06 23:18:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-06 23:18:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2019-11-06 23:18:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2019-11-06 23:18:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2019-11-06 23:18:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_device_reset [2019-11-06 23:18:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_firmware_reset_3887 [2019-11-06 23:18:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_3887 [2019-11-06 23:18:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-11-06 23:18:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 23:18:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_net2280 [2019-11-06 23:18:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2019-11-06 23:18:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_start_ops [2019-11-06 23:18:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-11-06 23:18:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware_cb [2019-11-06 23:18:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware [2019-11-06 23:18:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_probe [2019-11-06 23:18:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2019-11-06 23:18:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2019-11-06 23:18:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2019-11-06 23:18:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2019-11-06 23:18:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_suspend [2019-11-06 23:18:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_init [2019-11-06 23:18:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_exit [2019-11-06 23:18:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 23:18:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 23:18:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 23:18:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-11-06 23:18:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-11-06 23:18:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-11-06 23:18:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-06 23:18:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-11-06 23:18:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-11-06 23:18:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-11-06 23:18:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-11-06 23:18:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 23:18:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-06 23:18:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 23:18:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 23:18:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 23:18:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 23:18:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 23:18:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 23:18:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 23:18:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 23:18:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 23:18:41,601 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-06 23:19:08,735 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-11-06 23:19:09,568 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 23:19:09,568 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 23:19:09,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:19:09 BoogieIcfgContainer [2019-11-06 23:19:09,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 23:19:09,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 23:19:09,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 23:19:09,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 23:19:09,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:18:37" (1/3) ... [2019-11-06 23:19:09,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26efc9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:19:09, skipping insertion in model container [2019-11-06 23:19:09,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:18:40" (2/3) ... [2019-11-06 23:19:09,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26efc9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:19:09, skipping insertion in model container [2019-11-06 23:19:09,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:19:09" (3/3) ... [2019-11-06 23:19:09,578 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2019-11-06 23:19:09,589 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 23:19:09,599 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 23:19:09,611 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 23:19:09,644 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 23:19:09,644 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 23:19:09,645 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 23:19:09,645 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 23:19:09,645 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 23:19:09,645 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 23:19:09,645 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 23:19:09,645 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 23:19:09,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states. [2019-11-06 23:19:09,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-06 23:19:09,698 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:19:09,699 INFO L410 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] [2019-11-06 23:19:09,702 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:19:09,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:19:09,706 INFO L82 PathProgramCache]: Analyzing trace with hash -956714619, now seen corresponding path program 1 times [2019-11-06 23:19:09,714 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:19:09,714 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389361513] [2019-11-06 23:19:09,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:19:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:19:10,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:19:10,379 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389361513] [2019-11-06 23:19:10,380 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:19:10,380 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:19:10,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98077407] [2019-11-06 23:19:10,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:19:10,388 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:19:10,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:19:10,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:19:10,405 INFO L87 Difference]: Start difference. First operand 1232 states. Second operand 3 states. [2019-11-06 23:19:12,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:19:12,869 INFO L93 Difference]: Finished difference Result 3077 states and 4071 transitions. [2019-11-06 23:19:12,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:19:12,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-11-06 23:19:12,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:19:12,916 INFO L225 Difference]: With dead ends: 3077 [2019-11-06 23:19:12,916 INFO L226 Difference]: Without dead ends: 2016 [2019-11-06 23:19:12,930 INFO L630 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 [2019-11-06 23:19:12,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2016 states. [2019-11-06 23:19:13,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2016 to 2016. [2019-11-06 23:19:13,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2016 states. [2019-11-06 23:19:13,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 2016 states and 2644 transitions. [2019-11-06 23:19:13,232 INFO L78 Accepts]: Start accepts. Automaton has 2016 states and 2644 transitions. Word has length 44 [2019-11-06 23:19:13,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:19:13,233 INFO L462 AbstractCegarLoop]: Abstraction has 2016 states and 2644 transitions. [2019-11-06 23:19:13,233 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:19:13,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2016 states and 2644 transitions. [2019-11-06 23:19:13,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-06 23:19:13,238 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:19:13,239 INFO L410 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] [2019-11-06 23:19:13,239 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:19:13,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:19:13,239 INFO L82 PathProgramCache]: Analyzing trace with hash 430186242, now seen corresponding path program 1 times [2019-11-06 23:19:13,240 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:19:13,240 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854299642] [2019-11-06 23:19:13,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:19:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:19:13,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-06 23:19:13,484 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854299642] [2019-11-06 23:19:13,485 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:19:13,485 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:19:13,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386484572] [2019-11-06 23:19:13,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:19:13,489 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:19:13,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:19:13,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:19:13,489 INFO L87 Difference]: Start difference. First operand 2016 states and 2644 transitions. Second operand 3 states. [2019-11-06 23:19:13,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:19:13,654 INFO L93 Difference]: Finished difference Result 2042 states and 2676 transitions. [2019-11-06 23:19:13,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:19:13,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-11-06 23:19:13,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:19:13,668 INFO L225 Difference]: With dead ends: 2042 [2019-11-06 23:19:13,668 INFO L226 Difference]: Without dead ends: 2029 [2019-11-06 23:19:13,671 INFO L630 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 [2019-11-06 23:19:13,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2029 states. [2019-11-06 23:19:13,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2029 to 2016. [2019-11-06 23:19:13,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2016 states. [2019-11-06 23:19:13,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 2016 states and 2643 transitions. [2019-11-06 23:19:13,785 INFO L78 Accepts]: Start accepts. Automaton has 2016 states and 2643 transitions. Word has length 60 [2019-11-06 23:19:13,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:19:13,786 INFO L462 AbstractCegarLoop]: Abstraction has 2016 states and 2643 transitions. [2019-11-06 23:19:13,786 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:19:13,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2016 states and 2643 transitions. [2019-11-06 23:19:13,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-06 23:19:13,789 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:19:13,789 INFO L410 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] [2019-11-06 23:19:13,790 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:19:13,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:19:13,790 INFO L82 PathProgramCache]: Analyzing trace with hash 487444544, now seen corresponding path program 1 times [2019-11-06 23:19:13,790 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:19:13,791 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574255200] [2019-11-06 23:19:13,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:19:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:19:14,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-06 23:19:14,113 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574255200] [2019-11-06 23:19:14,113 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:19:14,114 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:19:14,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140677328] [2019-11-06 23:19:14,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:19:14,115 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:19:14,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:19:14,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:19:14,115 INFO L87 Difference]: Start difference. First operand 2016 states and 2643 transitions. Second operand 3 states. [2019-11-06 23:19:14,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:19:14,356 INFO L93 Difference]: Finished difference Result 5995 states and 7956 transitions. [2019-11-06 23:19:14,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:19:14,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-11-06 23:19:14,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:19:14,381 INFO L225 Difference]: With dead ends: 5995 [2019-11-06 23:19:14,382 INFO L226 Difference]: Without dead ends: 4005 [2019-11-06 23:19:14,391 INFO L630 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 [2019-11-06 23:19:14,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4005 states. [2019-11-06 23:19:14,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4005 to 3995. [2019-11-06 23:19:14,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3995 states. [2019-11-06 23:19:14,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3995 states to 3995 states and 5286 transitions. [2019-11-06 23:19:14,629 INFO L78 Accepts]: Start accepts. Automaton has 3995 states and 5286 transitions. Word has length 60 [2019-11-06 23:19:14,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:19:14,630 INFO L462 AbstractCegarLoop]: Abstraction has 3995 states and 5286 transitions. [2019-11-06 23:19:14,630 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:19:14,630 INFO L276 IsEmpty]: Start isEmpty. Operand 3995 states and 5286 transitions. [2019-11-06 23:19:14,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-06 23:19:14,632 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:19:14,632 INFO L410 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] [2019-11-06 23:19:14,633 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:19:14,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:19:14,633 INFO L82 PathProgramCache]: Analyzing trace with hash -2069724177, now seen corresponding path program 1 times [2019-11-06 23:19:14,633 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:19:14,634 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346797763] [2019-11-06 23:19:14,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:19:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:19:14,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-06 23:19:14,962 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346797763] [2019-11-06 23:19:14,962 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:19:14,963 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:19:14,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369683295] [2019-11-06 23:19:14,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:19:14,964 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:19:14,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:19:14,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:19:14,965 INFO L87 Difference]: Start difference. First operand 3995 states and 5286 transitions. Second operand 3 states. [2019-11-06 23:19:15,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:19:15,412 INFO L93 Difference]: Finished difference Result 11924 states and 16149 transitions. [2019-11-06 23:19:15,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:19:15,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-11-06 23:19:15,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:19:15,477 INFO L225 Difference]: With dead ends: 11924 [2019-11-06 23:19:15,478 INFO L226 Difference]: Without dead ends: 7955 [2019-11-06 23:19:15,503 INFO L630 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 [2019-11-06 23:19:15,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7955 states. [2019-11-06 23:19:15,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7955 to 7946. [2019-11-06 23:19:15,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7946 states. [2019-11-06 23:19:16,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7946 states to 7946 states and 10644 transitions. [2019-11-06 23:19:16,007 INFO L78 Accepts]: Start accepts. Automaton has 7946 states and 10644 transitions. Word has length 61 [2019-11-06 23:19:16,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:19:16,007 INFO L462 AbstractCegarLoop]: Abstraction has 7946 states and 10644 transitions. [2019-11-06 23:19:16,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:19:16,008 INFO L276 IsEmpty]: Start isEmpty. Operand 7946 states and 10644 transitions. [2019-11-06 23:19:16,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-06 23:19:16,011 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:19:16,011 INFO L410 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] [2019-11-06 23:19:16,012 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:19:16,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:19:16,012 INFO L82 PathProgramCache]: Analyzing trace with hash 262428963, now seen corresponding path program 1 times [2019-11-06 23:19:16,012 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:19:16,013 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604680665] [2019-11-06 23:19:16,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:19:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:19:16,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-06 23:19:16,300 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604680665] [2019-11-06 23:19:16,301 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:19:16,301 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:19:16,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511789708] [2019-11-06 23:19:16,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:19:16,302 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:19:16,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:19:16,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:19:16,302 INFO L87 Difference]: Start difference. First operand 7946 states and 10644 transitions. Second operand 3 states. [2019-11-06 23:19:16,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:19:16,613 INFO L93 Difference]: Finished difference Result 7953 states and 10650 transitions. [2019-11-06 23:19:16,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:19:16,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2019-11-06 23:19:16,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:19:16,679 INFO L225 Difference]: With dead ends: 7953 [2019-11-06 23:19:16,679 INFO L226 Difference]: Without dead ends: 7950 [2019-11-06 23:19:16,685 INFO L630 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 [2019-11-06 23:19:16,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7950 states. [2019-11-06 23:19:17,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7950 to 7947. [2019-11-06 23:19:17,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7947 states. [2019-11-06 23:19:18,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7947 states to 7947 states and 10645 transitions. [2019-11-06 23:19:18,244 INFO L78 Accepts]: Start accepts. Automaton has 7947 states and 10645 transitions. Word has length 62 [2019-11-06 23:19:18,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:19:18,246 INFO L462 AbstractCegarLoop]: Abstraction has 7947 states and 10645 transitions. [2019-11-06 23:19:18,246 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:19:18,246 INFO L276 IsEmpty]: Start isEmpty. Operand 7947 states and 10645 transitions. [2019-11-06 23:19:18,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-06 23:19:18,248 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:19:18,248 INFO L410 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, 1] [2019-11-06 23:19:18,248 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:19:18,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:19:18,249 INFO L82 PathProgramCache]: Analyzing trace with hash -455262862, now seen corresponding path program 1 times [2019-11-06 23:19:18,249 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:19:18,250 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932832437] [2019-11-06 23:19:18,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:19:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:19:18,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-06 23:19:18,538 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932832437] [2019-11-06 23:19:18,538 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:19:18,538 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:19:18,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118000218] [2019-11-06 23:19:18,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:19:18,540 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:19:18,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:19:18,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:19:18,542 INFO L87 Difference]: Start difference. First operand 7947 states and 10645 transitions. Second operand 3 states.