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 -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:23:03,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:23:03,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:23:03,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:23:03,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:23:03,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:23:03,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:23:03,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:23:03,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:23:03,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:23:03,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:23:03,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:23:03,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:23:03,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:23:03,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:23:03,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:23:03,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:23:03,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:23:03,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:23:03,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:23:03,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:23:03,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:23:03,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:23:03,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:23:03,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:23:03,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:23:03,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:23:03,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:23:03,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:23:03,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:23:03,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:23:03,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:23:03,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:23:03,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:23:03,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:23:03,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:23:03,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:23:03,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:23:03,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:23:03,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:23:03,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:23:03,170 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 [2019-09-20 13:23:03,184 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:23:03,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:23:03,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:23:03,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:23:03,186 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:23:03,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:23:03,187 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:23:03,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:23:03,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:23:03,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:23:03,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:23:03,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:23:03,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:23:03,188 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:23:03,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:23:03,188 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:23:03,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:23:03,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:23:03,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:23:03,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:23:03,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:23:03,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:23:03,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:23:03,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:23:03,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:23:03,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:23:03,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:23:03,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:23:03,192 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:23:03,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:23:03,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:23:03,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:23:03,251 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:23:03,252 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:23:03,252 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2019-09-20 13:23:03,313 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3302a83d/786e4fa3de7b4bd1b07235d8cf9cf4d6/FLAGc3b9b4aa2 [2019-09-20 13:23:04,112 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:23:04,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2019-09-20 13:23:04,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3302a83d/786e4fa3de7b4bd1b07235d8cf9cf4d6/FLAGc3b9b4aa2 [2019-09-20 13:23:04,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3302a83d/786e4fa3de7b4bd1b07235d8cf9cf4d6 [2019-09-20 13:23:04,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:23:04,666 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:23:04,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:23:04,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:23:04,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:23:04,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:23:04" (1/1) ... [2019-09-20 13:23:04,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc49f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:04, skipping insertion in model container [2019-09-20 13:23:04,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:23:04" (1/1) ... [2019-09-20 13:23:04,682 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:23:04,822 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:23:07,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:23:07,122 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:23:07,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:23:07,825 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:23:07,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:07 WrapperNode [2019-09-20 13:23:07,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:23:07,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:23:07,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:23:07,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:23:07,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:07" (1/1) ... [2019-09-20 13:23:07,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:07" (1/1) ... [2019-09-20 13:23:07,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:07" (1/1) ... [2019-09-20 13:23:07,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:07" (1/1) ... [2019-09-20 13:23:08,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:07" (1/1) ... [2019-09-20 13:23:08,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:07" (1/1) ... [2019-09-20 13:23:08,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:07" (1/1) ... [2019-09-20 13:23:08,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:23:08,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:23:08,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:23:08,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:23:08,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:07" (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 [2019-09-20 13:23:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:23:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:23:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:23:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-20 13:23:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-09-20 13:23:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-09-20 13:23:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-20 13:23:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:23:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 13:23:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-20 13:23:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-20 13:23:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 13:23:08,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 13:23:08,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 13:23:08,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:23:08,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:23:08,221 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:23:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 13:23:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-20 13:23:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-20 13:23:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:23:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:23:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:23:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-20 13:23:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 13:23:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2019-09-20 13:23:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ss_max_streams [2019-09-20 13:23:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-20 13:23:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-20 13:23:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-20 13:23:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-09-20 13:23:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-20 13:23:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 13:23:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2019-09-20 13:23:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_bus [2019-09-20 13:23:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2019-09-20 13:23:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bidi_cmnd [2019-09-20 13:23:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_in [2019-09-20 13:23:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_out [2019-09-20 13:23:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_use_blk_mq [2019-09-20 13:23:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host [2019-09-20 13:23:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_init_shared_tag_map [2019-09-20 13:23:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_is_interface [2019-09-20 13:23:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_uas_alt_setting [2019-09-20 13:23:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_endpoints [2019-09-20 13:23:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_use_uas_driver [2019-09-20 13:23:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_do_work [2019-09-20 13:23:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_add_work [2019-09-20 13:23:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_zap_pending [2019-09-20 13:23:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_sense [2019-09-20 13:23:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_log_cmd_state [2019-09-20 13:23:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_unsubmitted_urbs [2019-09-20 13:23:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_try_complete [2019-09-20 13:23:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_xfer_data [2019-09-20 13:23:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_stat_cmplt [2019-09-20 13:23:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_data_cmplt [2019-09-20 13:23:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmd_cmplt [2019-09-20 13:23:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_data_urb [2019-09-20 13:23:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_sense_urb [2019-09-20 13:23:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_cmd_urb [2019-09-20 13:23:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_sense_urb [2019-09-20 13:23:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_urbs [2019-09-20 13:23:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand_lck [2019-09-20 13:23:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand [2019-09-20 13:23:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_abort_handler [2019-09-20 13:23:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_bus_reset_handler [2019-09-20 13:23:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_alloc [2019-09-20 13:23:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_configure [2019-09-20 13:23:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_switch_interface [2019-09-20 13:23:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_configure_endpoints [2019-09-20 13:23:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_streams [2019-09-20 13:23:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_probe [2019-09-20 13:23:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmnd_list_empty [2019-09-20 13:23:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_wait_for_pending_cmnds [2019-09-20 13:23:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_pre_reset [2019-09-20 13:23:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_post_reset [2019-09-20 13:23:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_suspend [2019-09-20 13:23:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_resume [2019-09-20 13:23:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_reset_resume [2019-09-20 13:23:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_disconnect [2019-09-20 13:23:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_shutdown [2019-09-20 13:23:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_init [2019-09-20 13:23:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_exit [2019-09-20 13:23:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-09-20 13:23:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-09-20 13:23:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-09-20 13:23:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-09-20 13:23:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-09-20 13:23:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-09-20 13:23:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_3 [2019-09-20 13:23:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-09-20 13:23:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:23:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-09-20 13:23:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-09-20 13:23:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-09-20 13:23:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-09-20 13:23:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-09-20 13:23:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-09-20 13:23:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-09-20 13:23:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-09-20 13:23:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_13 [2019-09-20 13:23:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-09-20 13:23:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-09-20 13:23:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2019-09-20 13:23:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_add_host_with_dma_17 [2019-09-20 13:23:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_18 [2019-09-20 13:23:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_19 [2019-09-20 13:23:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_alloc_20 [2019-09-20 13:23:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_21 [2019-09-20 13:23:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_22 [2019-09-20 13:23:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_23 [2019-09-20 13:23:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_24 [2019-09-20 13:23:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_25 [2019-09-20 13:23:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:23:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-20 13:23:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:23:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-20 13:23:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-20 13:23:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-20 13:23:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-09-20 13:23:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-09-20 13:23:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-09-20 13:23:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-09-20 13:23:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-09-20 13:23:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-09-20 13:23:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-09-20 13:23:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-09-20 13:23:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-09-20 13:23:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-09-20 13:23:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-09-20 13:23:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:23:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:23:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-20 13:23:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-20 13:23:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:23:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-20 13:23:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-20 13:23:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-09-20 13:23:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-09-20 13:23:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-09-20 13:23:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-09-20 13:23:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:23:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:23:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:23:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:23:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:23:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:23:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:23:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-09-20 13:23:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-20 13:23:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-20 13:23:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-20 13:23:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev [2019-09-20 13:23:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev [2019-09-20 13:23:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2019-09-20 13:23:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev [2019-09-20 13:23:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev [2019-09-20 13:23:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev [2019-09-20 13:23:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2019-09-20 13:23:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev [2019-09-20 13:23:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev [2019-09-20 13:23:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2019-09-20 13:23:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2019-09-20 13:23:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:23:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-20 13:23:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-20 13:23:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2019-09-20 13:23:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:23:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-20 13:23:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:23:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_tags [2019-09-20 13:23:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2019-09-20 13:23:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_update_dma_alignment [2019-09-20 13:23:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-09-20 13:23:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 13:23:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-09-20 13:23:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-20 13:23:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2019-09-20 13:23:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-09-20 13:23:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2019-09-20 13:23:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:23:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2019-09-20 13:23:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-20 13:23:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-20 13:23:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-20 13:23:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:23:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-09-20 13:23:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-20 13:23:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure scmd_printk [2019-09-20 13:23:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2019-09-20 13:23:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2019-09-20 13:23:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2019-09-20 13:23:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_get_serial [2019-09-20 13:23:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_alloc [2019-09-20 13:23:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2019-09-20 13:23:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_print_command [2019-09-20 13:23:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2019-09-20 13:23:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_report_bus_reset [2019-09-20 13:23:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_scan_host [2019-09-20 13:23:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2019-09-20 13:23:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2019-09-20 13:23:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_streams [2019-09-20 13:23:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-20 13:23:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-09-20 13:23:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 13:23:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_streams [2019-09-20 13:23:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-20 13:23:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2019-09-20 13:23:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2019-09-20 13:23:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-20 13:23:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 13:23:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-09-20 13:23:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-09-20 13:23:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_stor_adjust_quirks [2019-09-20 13:23:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-20 13:23:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2019-09-20 13:23:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-09-20 13:23:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wait_anchor_empty_timeout [2019-09-20 13:23:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-20 13:23:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:23:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:23:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:23:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 13:23:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:23:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:23:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:23:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-20 13:23:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-09-20 13:23:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:23:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-09-20 13:23:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-20 13:23:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:23:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:23:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:23:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-20 13:23:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-20 13:23:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2019-09-20 13:23:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-20 13:23:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_13 [2019-09-20 13:23:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:23:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-09-20 13:23:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-09-20 13:23:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-09-20 13:23:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:23:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:23:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:23:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:23:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:23:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:23:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:23:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:23:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 13:23:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 13:23:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-20 13:23:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-20 13:23:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:23:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 13:23:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 13:23:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 13:23:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:23:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2019-09-20 13:23:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_19 [2019-09-20 13:23:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-20 13:23:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-09-20 13:23:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-09-20 13:23:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2019-09-20 13:23:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-09-20 13:23:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-09-20 13:23:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-20 13:23:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-20 13:23:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:23:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:23:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:23:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2019-09-20 13:23:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2019-09-20 13:23:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:23:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-20 13:23:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:23:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:23:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 13:23:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-20 13:23:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-20 13:23:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-20 13:23:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-09-20 13:23:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-09-20 13:23:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-09-20 13:23:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-09-20 13:23:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-09-20 13:23:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-09-20 13:23:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-09-20 13:23:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2019-09-20 13:23:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_21 [2019-09-20 13:23:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-09-20 13:23:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_22 [2019-09-20 13:23:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-20 13:23:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-20 13:23:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:23:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:23:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:23:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-09-20 13:23:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-09-20 13:23:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-09-20 13:23:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-09-20 13:23:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-09-20 13:23:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-09-20 13:23:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_3 [2019-09-20 13:23:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-09-20 13:23:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-20 13:23:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:23:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 13:23:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-09-20 13:23:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 13:23:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-20 13:23:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2019-09-20 13:23:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_update_dma_alignment [2019-09-20 13:23:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_tags [2019-09-20 13:23:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2019-09-20 13:23:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ss_max_streams [2019-09-20 13:23:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-20 13:23:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-20 13:23:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-20 13:23:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_18 [2019-09-20 13:23:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-09-20 13:23:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_streams [2019-09-20 13:23:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_streams [2019-09-20 13:23:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 13:23:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_24 [2019-09-20 13:23:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 13:23:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_25 [2019-09-20 13:23:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-09-20 13:23:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:23:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:23:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-20 13:23:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:23:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-20 13:23:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-20 13:23:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2019-09-20 13:23:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-20 13:23:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-09-20 13:23:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-20 13:23:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2019-09-20 13:23:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-09-20 13:23:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2019-09-20 13:23:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wait_anchor_empty_timeout [2019-09-20 13:23:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-09-20 13:23:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 13:23:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2019-09-20 13:23:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_bus [2019-09-20 13:23:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2019-09-20 13:23:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2019-09-20 13:23:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2019-09-20 13:23:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure scmd_printk [2019-09-20 13:23:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2019-09-20 13:23:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bidi_cmnd [2019-09-20 13:23:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_in [2019-09-20 13:23:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_out [2019-09-20 13:23:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_report_bus_reset [2019-09-20 13:23:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_print_command [2019-09-20 13:23:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure shost_use_blk_mq [2019-09-20 13:23:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2019-09-20 13:23:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_alloc_20 [2019-09-20 13:23:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2019-09-20 13:23:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_add_host_with_dma_17 [2019-09-20 13:23:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_scan_host [2019-09-20 13:23:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2019-09-20 13:23:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_23 [2019-09-20 13:23:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2019-09-20 13:23:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_get_serial [2019-09-20 13:23:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host [2019-09-20 13:23:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2019-09-20 13:23:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2019-09-20 13:23:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_init_shared_tag_map [2019-09-20 13:23:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure usb_stor_adjust_quirks [2019-09-20 13:23:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure uas_is_interface [2019-09-20 13:23:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_uas_alt_setting [2019-09-20 13:23:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_endpoints [2019-09-20 13:23:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure uas_use_uas_driver [2019-09-20 13:23:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_urbs [2019-09-20 13:23:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure uas_do_work [2019-09-20 13:23:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure uas_try_complete [2019-09-20 13:23:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_streams [2019-09-20 13:23:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure uas_log_cmd_state [2019-09-20 13:23:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure uas_add_work [2019-09-20 13:23:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure uas_zap_pending [2019-09-20 13:23:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure uas_sense [2019-09-20 13:23:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:23:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_unsubmitted_urbs [2019-09-20 13:23:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:23:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure uas_xfer_data [2019-09-20 13:23:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure uas_stat_cmplt [2019-09-20 13:23:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure uas_data_cmplt [2019-09-20 13:23:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmd_cmplt [2019-09-20 13:23:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_data_urb [2019-09-20 13:23:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_sense_urb [2019-09-20 13:23:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_cmd_urb [2019-09-20 13:23:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_sense_urb [2019-09-20 13:23:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand_lck [2019-09-20 13:23:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand [2019-09-20 13:23:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_abort_handler [2019-09-20 13:23:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_bus_reset_handler [2019-09-20 13:23:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_alloc [2019-09-20 13:23:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_configure [2019-09-20 13:23:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure uas_switch_interface [2019-09-20 13:23:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure uas_configure_endpoints [2019-09-20 13:23:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure uas_probe [2019-09-20 13:23:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmnd_list_empty [2019-09-20 13:23:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure uas_wait_for_pending_cmnds [2019-09-20 13:23:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure uas_pre_reset [2019-09-20 13:23:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure uas_post_reset [2019-09-20 13:23:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure uas_suspend [2019-09-20 13:23:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure uas_resume [2019-09-20 13:23:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure uas_reset_resume [2019-09-20 13:23:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure uas_disconnect [2019-09-20 13:23:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure uas_shutdown [2019-09-20 13:23:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_init [2019-09-20 13:23:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_exit [2019-09-20 13:23:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:23:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:23:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:23:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:23:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-20 13:23:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:23:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-20 13:23:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-20 13:23:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-20 13:23:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-09-20 13:23:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-09-20 13:23:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-09-20 13:23:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-09-20 13:23:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-09-20 13:23:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-09-20 13:23:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-09-20 13:23:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-09-20 13:23:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-09-20 13:23:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:23:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:23:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-20 13:23:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:23:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-20 13:23:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-09-20 13:23:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-09-20 13:23:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-09-20 13:23:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-09-20 13:23:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:23:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:23:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:23:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:23:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-09-20 13:23:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-20 13:23:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-20 13:23:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-20 13:23:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev [2019-09-20 13:23:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev [2019-09-20 13:23:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2019-09-20 13:23:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev [2019-09-20 13:23:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev [2019-09-20 13:23:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev [2019-09-20 13:23:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2019-09-20 13:23:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev [2019-09-20 13:23:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev [2019-09-20 13:23:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:23:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:23:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:23:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:23:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:23:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:23:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:23:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:23:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:23:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:23:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:23:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:23:09,501 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:23:16,918 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:23:16,918 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:23:16,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:23:16 BoogieIcfgContainer [2019-09-20 13:23:16,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:23:16,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:23:16,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:23:16,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:23:16,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:23:04" (1/3) ... [2019-09-20 13:23:16,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f0b861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:23:16, skipping insertion in model container [2019-09-20 13:23:16,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:07" (2/3) ... [2019-09-20 13:23:16,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f0b861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:23:16, skipping insertion in model container [2019-09-20 13:23:16,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:23:16" (3/3) ... [2019-09-20 13:23:16,932 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2019-09-20 13:23:16,943 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:23:16,956 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:23:16,976 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:23:17,027 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:23:17,027 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:23:17,028 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:23:17,028 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:23:17,028 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:23:17,028 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:23:17,028 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:23:17,028 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:23:17,028 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:23:17,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states. [2019-09-20 13:23:17,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-20 13:23:17,099 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:23:17,100 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:23:17,102 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:23:17,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:23:17,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1964910011, now seen corresponding path program 1 times [2019-09-20 13:23:17,110 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:23:17,111 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:23:17,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:17,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:23:17,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:23:18,018 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-20 13:23:18,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:23:18,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:23:18,027 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:23:18,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:23:18,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:23:18,048 INFO L87 Difference]: Start difference. First operand 1642 states. Second operand 3 states. [2019-09-20 13:23:20,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:23:20,159 INFO L93 Difference]: Finished difference Result 4018 states and 5338 transitions. [2019-09-20 13:23:20,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:23:20,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2019-09-20 13:23:20,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:23:20,199 INFO L225 Difference]: With dead ends: 4018 [2019-09-20 13:23:20,199 INFO L226 Difference]: Without dead ends: 2648 [2019-09-20 13:23:20,214 INFO L636 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 [2019-09-20 13:23:20,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2019-09-20 13:23:20,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2644. [2019-09-20 13:23:20,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2644 states. [2019-09-20 13:23:20,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2644 states and 3489 transitions. [2019-09-20 13:23:20,542 INFO L78 Accepts]: Start accepts. Automaton has 2644 states and 3489 transitions. Word has length 78 [2019-09-20 13:23:20,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:23:20,543 INFO L475 AbstractCegarLoop]: Abstraction has 2644 states and 3489 transitions. [2019-09-20 13:23:20,544 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:23:20,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 3489 transitions. [2019-09-20 13:23:20,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-20 13:23:20,550 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:23:20,550 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:23:20,550 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:23:20,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:23:20,551 INFO L82 PathProgramCache]: Analyzing trace with hash -157885094, now seen corresponding path program 1 times [2019-09-20 13:23:20,551 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:23:20,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:23:20,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:20,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:23:20,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:23:20,965 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-20 13:23:20,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:23:20,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:23:20,967 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:23:20,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:23:20,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:23:20,968 INFO L87 Difference]: Start difference. First operand 2644 states and 3489 transitions. Second operand 3 states. [2019-09-20 13:23:21,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:23:21,452 INFO L93 Difference]: Finished difference Result 7487 states and 9910 transitions. [2019-09-20 13:23:21,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:23:21,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2019-09-20 13:23:21,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:23:21,502 INFO L225 Difference]: With dead ends: 7487 [2019-09-20 13:23:21,502 INFO L226 Difference]: Without dead ends: 4878 [2019-09-20 13:23:21,517 INFO L636 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 [2019-09-20 13:23:21,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4878 states. [2019-09-20 13:23:21,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4878 to 4789. [2019-09-20 13:23:21,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4789 states. [2019-09-20 13:23:21,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4789 states to 4789 states and 6360 transitions. [2019-09-20 13:23:21,788 INFO L78 Accepts]: Start accepts. Automaton has 4789 states and 6360 transitions. Word has length 83 [2019-09-20 13:23:21,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:23:21,791 INFO L475 AbstractCegarLoop]: Abstraction has 4789 states and 6360 transitions. [2019-09-20 13:23:21,791 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:23:21,791 INFO L276 IsEmpty]: Start isEmpty. Operand 4789 states and 6360 transitions. [2019-09-20 13:23:21,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-20 13:23:21,796 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:23:21,796 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:23:21,796 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:23:21,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:23:21,797 INFO L82 PathProgramCache]: Analyzing trace with hash -894581920, now seen corresponding path program 1 times [2019-09-20 13:23:21,797 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:23:21,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:23:21,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:21,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:23:21,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:23:22,058 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-20 13:23:22,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:23:22,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:23:22,059 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:23:22,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:23:22,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:23:22,060 INFO L87 Difference]: Start difference. First operand 4789 states and 6360 transitions. Second operand 3 states. [2019-09-20 13:23:22,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:23:22,340 INFO L93 Difference]: Finished difference Result 4811 states and 6386 transitions. [2019-09-20 13:23:22,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:23:22,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2019-09-20 13:23:22,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:23:22,371 INFO L225 Difference]: With dead ends: 4811 [2019-09-20 13:23:22,372 INFO L226 Difference]: Without dead ends: 4800 [2019-09-20 13:23:22,375 INFO L636 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 [2019-09-20 13:23:22,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4800 states. [2019-09-20 13:23:22,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4800 to 4789. [2019-09-20 13:23:22,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4789 states. [2019-09-20 13:23:22,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4789 states to 4789 states and 6358 transitions. [2019-09-20 13:23:22,590 INFO L78 Accepts]: Start accepts. Automaton has 4789 states and 6358 transitions. Word has length 98 [2019-09-20 13:23:22,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:23:22,591 INFO L475 AbstractCegarLoop]: Abstraction has 4789 states and 6358 transitions. [2019-09-20 13:23:22,591 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:23:22,592 INFO L276 IsEmpty]: Start isEmpty. Operand 4789 states and 6358 transitions. [2019-09-20 13:23:22,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-20 13:23:22,597 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:23:22,597 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:23:22,597 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:23:22,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:23:22,598 INFO L82 PathProgramCache]: Analyzing trace with hash -837323618, now seen corresponding path program 1 times [2019-09-20 13:23:22,598 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:23:22,598 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:23:22,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:22,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:23:22,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:23:23,024 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-20 13:23:23,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:23:23,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:23:23,026 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:23:23,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:23:23,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:23:23,026 INFO L87 Difference]: Start difference. First operand 4789 states and 6358 transitions. Second operand 3 states. [2019-09-20 13:23:23,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:23:23,237 INFO L93 Difference]: Finished difference Result 4791 states and 6359 transitions. [2019-09-20 13:23:23,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:23:23,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2019-09-20 13:23:23,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:23:23,269 INFO L225 Difference]: With dead ends: 4791 [2019-09-20 13:23:23,269 INFO L226 Difference]: Without dead ends: 4788 [2019-09-20 13:23:23,272 INFO L636 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 [2019-09-20 13:23:23,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4788 states. [2019-09-20 13:23:23,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4788 to 4788. [2019-09-20 13:23:23,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4788 states. [2019-09-20 13:23:23,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4788 states to 4788 states and 6356 transitions. [2019-09-20 13:23:23,484 INFO L78 Accepts]: Start accepts. Automaton has 4788 states and 6356 transitions. Word has length 98 [2019-09-20 13:23:23,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:23:23,485 INFO L475 AbstractCegarLoop]: Abstraction has 4788 states and 6356 transitions. [2019-09-20 13:23:23,485 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:23:23,485 INFO L276 IsEmpty]: Start isEmpty. Operand 4788 states and 6356 transitions. [2019-09-20 13:23:23,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-20 13:23:23,494 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:23:23,495 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:23:23,495 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:23:23,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:23:23,495 INFO L82 PathProgramCache]: Analyzing trace with hash -187913757, now seen corresponding path program 1 times [2019-09-20 13:23:23,496 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:23:23,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:23:23,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:23,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:23:23,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:23:23,815 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-20 13:23:23,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:23:23,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:23:23,817 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:23:23,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:23:23,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:23:23,818 INFO L87 Difference]: Start difference. First operand 4788 states and 6356 transitions. Second operand 3 states. [2019-09-20 13:23:23,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:23:23,997 INFO L93 Difference]: Finished difference Result 4790 states and 6357 transitions. [2019-09-20 13:23:23,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:23:23,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-09-20 13:23:23,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:23:24,039 INFO L225 Difference]: With dead ends: 4790 [2019-09-20 13:23:24,039 INFO L226 Difference]: Without dead ends: 4787 [2019-09-20 13:23:24,044 INFO L636 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 [2019-09-20 13:23:24,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4787 states. [2019-09-20 13:23:24,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4787 to 4787. [2019-09-20 13:23:24,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4787 states. [2019-09-20 13:23:24,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4787 states to 4787 states and 6354 transitions. [2019-09-20 13:23:24,279 INFO L78 Accepts]: Start accepts. Automaton has 4787 states and 6354 transitions. Word has length 99 [2019-09-20 13:23:24,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:23:24,280 INFO L475 AbstractCegarLoop]: Abstraction has 4787 states and 6354 transitions. [2019-09-20 13:23:24,280 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:23:24,280 INFO L276 IsEmpty]: Start isEmpty. Operand 4787 states and 6354 transitions. [2019-09-20 13:23:24,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-09-20 13:23:24,282 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:23:24,282 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:23:24,283 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:23:24,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:23:24,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1531039679, now seen corresponding path program 1 times [2019-09-20 13:23:24,283 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:23:24,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:23:24,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:24,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:23:24,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:23:24,519 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-20 13:23:24,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:23:24,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:23:24,520 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:23:24,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:23:24,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:23:24,521 INFO L87 Difference]: Start difference. First operand 4787 states and 6354 transitions. Second operand 3 states. [2019-09-20 13:23:24,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:23:24,749 INFO L93 Difference]: Finished difference Result 4789 states and 6355 transitions. [2019-09-20 13:23:24,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:23:24,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2019-09-20 13:23:24,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:23:24,777 INFO L225 Difference]: With dead ends: 4789 [2019-09-20 13:23:24,777 INFO L226 Difference]: Without dead ends: 4786 [2019-09-20 13:23:24,781 INFO L636 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 [2019-09-20 13:23:24,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4786 states. [2019-09-20 13:23:24,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4786 to 4786. [2019-09-20 13:23:24,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4786 states. [2019-09-20 13:23:24,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4786 states to 4786 states and 6352 transitions. [2019-09-20 13:23:24,990 INFO L78 Accepts]: Start accepts. Automaton has 4786 states and 6352 transitions. Word has length 100 [2019-09-20 13:23:24,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:23:24,991 INFO L475 AbstractCegarLoop]: Abstraction has 4786 states and 6352 transitions. [2019-09-20 13:23:24,991 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:23:24,991 INFO L276 IsEmpty]: Start isEmpty. Operand 4786 states and 6352 transitions. [2019-09-20 13:23:24,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-09-20 13:23:24,993 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:23:24,994 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:23:24,994 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:23:24,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:23:24,994 INFO L82 PathProgramCache]: Analyzing trace with hash -218265434, now seen corresponding path program 1 times [2019-09-20 13:23:24,994 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:23:24,994 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:23:25,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:25,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:23:25,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:23:25,230 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-20 13:23:25,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:23:25,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:23:25,231 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:23:25,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:23:25,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:23:25,231 INFO L87 Difference]: Start difference. First operand 4786 states and 6352 transitions. Second operand 3 states. [2019-09-20 13:23:25,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:23:25,558 INFO L93 Difference]: Finished difference Result 14262 states and 18970 transitions. [2019-09-20 13:23:25,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:23:25,558 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2019-09-20 13:23:25,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:23:25,610 INFO L225 Difference]: With dead ends: 14262 [2019-09-20 13:23:25,610 INFO L226 Difference]: Without dead ends: 9493 [2019-09-20 13:23:25,634 INFO L636 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 [2019-09-20 13:23:25,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9493 states. [2019-09-20 13:23:26,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9493 to 9480. [2019-09-20 13:23:26,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9480 states. [2019-09-20 13:23:26,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9480 states to 9480 states and 12610 transitions. [2019-09-20 13:23:26,079 INFO L78 Accepts]: Start accepts. Automaton has 9480 states and 12610 transitions. Word has length 101 [2019-09-20 13:23:26,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:23:26,080 INFO L475 AbstractCegarLoop]: Abstraction has 9480 states and 12610 transitions. [2019-09-20 13:23:26,080 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:23:26,080 INFO L276 IsEmpty]: Start isEmpty. Operand 9480 states and 12610 transitions. [2019-09-20 13:23:26,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-09-20 13:23:26,806 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:23:26,806 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:23:26,807 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:23:26,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:23:26,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1308206145, now seen corresponding path program 1 times [2019-09-20 13:23:26,807 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:23:26,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:23:26,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:26,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:23:26,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:23:27,072 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-09-20 13:23:27,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:23:27,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:23:27,073 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:23:27,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:23:27,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:23:27,074 INFO L87 Difference]: Start difference. First operand 9480 states and 12610 transitions. Second operand 3 states. [2019-09-20 13:23:27,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:23:27,849 INFO L93 Difference]: Finished difference Result 25249 states and 33693 transitions. [2019-09-20 13:23:27,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:23:27,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2019-09-20 13:23:27,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:23:27,929 INFO L225 Difference]: With dead ends: 25249 [2019-09-20 13:23:27,930 INFO L226 Difference]: Without dead ends: 15804 [2019-09-20 13:23:27,974 INFO L636 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 [2019-09-20 13:23:27,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15804 states. [2019-09-20 13:23:28,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15804 to 15736. [2019-09-20 13:23:28,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15736 states. [2019-09-20 13:23:28,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15736 states to 15736 states and 21036 transitions. [2019-09-20 13:23:28,958 INFO L78 Accepts]: Start accepts. Automaton has 15736 states and 21036 transitions. Word has length 210 [2019-09-20 13:23:28,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:23:28,958 INFO L475 AbstractCegarLoop]: Abstraction has 15736 states and 21036 transitions. [2019-09-20 13:23:28,959 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:23:28,959 INFO L276 IsEmpty]: Start isEmpty. Operand 15736 states and 21036 transitions. [2019-09-20 13:23:29,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-09-20 13:23:29,001 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:23:29,002 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:23:29,002 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:23:29,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:23:29,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1469496683, now seen corresponding path program 1 times [2019-09-20 13:23:29,003 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:23:29,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:23:29,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:29,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:23:29,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:23:29,479 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-09-20 13:23:29,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:23:29,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:23:29,480 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:23:29,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:23:29,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:23:29,481 INFO L87 Difference]: Start difference. First operand 15736 states and 21036 transitions. Second operand 5 states. [2019-09-20 13:23:30,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:23:30,042 INFO L93 Difference]: Finished difference Result 31481 states and 42098 transitions. [2019-09-20 13:23:30,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:23:30,043 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 247 [2019-09-20 13:23:30,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:23:30,124 INFO L225 Difference]: With dead ends: 31481 [2019-09-20 13:23:30,124 INFO L226 Difference]: Without dead ends: 15784 [2019-09-20 13:23:30,196 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:23:30,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15784 states. [2019-09-20 13:23:31,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15784 to 15776. [2019-09-20 13:23:31,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15776 states. [2019-09-20 13:23:31,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15776 states to 15776 states and 21076 transitions. [2019-09-20 13:23:31,813 INFO L78 Accepts]: Start accepts. Automaton has 15776 states and 21076 transitions. Word has length 247 [2019-09-20 13:23:31,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:23:31,817 INFO L475 AbstractCegarLoop]: Abstraction has 15776 states and 21076 transitions. [2019-09-20 13:23:31,817 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:23:31,818 INFO L276 IsEmpty]: Start isEmpty. Operand 15776 states and 21076 transitions. [2019-09-20 13:23:31,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2019-09-20 13:23:31,853 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:23:31,854 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:23:31,854 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:23:31,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:23:31,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1027190707, now seen corresponding path program 1 times [2019-09-20 13:23:31,855 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:23:31,855 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:23:31,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:31,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:23:31,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:23:32,333 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-09-20 13:23:32,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:23:32,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:23:32,334 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:23:32,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:23:32,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:23:32,336 INFO L87 Difference]: Start difference. First operand 15776 states and 21076 transitions. Second operand 7 states. [2019-09-20 13:23:32,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:23:32,849 INFO L93 Difference]: Finished difference Result 28869 states and 38542 transitions. [2019-09-20 13:23:32,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:23:32,850 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 273 [2019-09-20 13:23:32,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:23:32,914 INFO L225 Difference]: With dead ends: 28869 [2019-09-20 13:23:32,914 INFO L226 Difference]: Without dead ends: 13132 [2019-09-20 13:23:33,120 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:23:33,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13132 states. [2019-09-20 13:23:33,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13132 to 13124. [2019-09-20 13:23:33,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13124 states. [2019-09-20 13:23:33,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13124 states to 13124 states and 17492 transitions. [2019-09-20 13:23:33,651 INFO L78 Accepts]: Start accepts. Automaton has 13124 states and 17492 transitions. Word has length 273 [2019-09-20 13:23:33,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:23:33,652 INFO L475 AbstractCegarLoop]: Abstraction has 13124 states and 17492 transitions. [2019-09-20 13:23:33,652 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:23:33,652 INFO L276 IsEmpty]: Start isEmpty. Operand 13124 states and 17492 transitions. [2019-09-20 13:23:33,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2019-09-20 13:23:33,695 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:23:33,696 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:23:33,696 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:23:33,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:23:33,697 INFO L82 PathProgramCache]: Analyzing trace with hash -552353953, now seen corresponding path program 1 times [2019-09-20 13:23:33,697 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:23:33,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:23:33,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:33,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:23:33,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:23:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:23:34,205 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2019-09-20 13:23:34,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:23:34,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:23:34,208 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:23:34,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:23:34,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:23:34,213 INFO L87 Difference]: Start difference. First operand 13124 states and 17492 transitions. Second operand 3 states.