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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.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 13:45:19,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:45:19,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:45:19,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:45:19,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:45:19,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:45:19,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:45:19,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:45:19,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:45:19,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:45:19,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:45:19,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:45:19,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:45:19,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:45:19,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:45:19,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:45:19,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:45:19,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:45:19,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:45:19,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:45:19,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:45:19,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:45:19,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:45:19,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:45:19,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:45:19,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:45:19,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:45:19,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:45:19,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:45:19,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:45:19,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:45:19,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:45:19,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:45:19,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:45:19,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:45:19,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:45:19,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:45:19,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:45:19,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:45:19,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:45:19,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:45:19,316 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:45:19,336 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:45:19,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:45:19,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:45:19,337 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:45:19,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:45:19,339 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:45:19,339 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:45:19,339 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:45:19,340 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:45:19,340 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:45:19,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:45:19,341 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:45:19,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:45:19,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:45:19,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:45:19,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:45:19,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:45:19,343 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:45:19,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:45:19,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:45:19,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:45:19,344 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:45:19,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:45:19,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:45:19,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:45:19,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:45:19,345 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:45:19,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:45:19,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:45:19,346 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:45:19,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:45:19,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:45:19,417 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:45:19,419 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:45:19,419 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:45:19,420 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2019-09-20 13:45:19,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5916ada85/2c83022dc67b48c3b12b7b92f8a36806/FLAGd43808fe6 [2019-09-20 13:45:20,302 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:45:20,303 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2019-09-20 13:45:20,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5916ada85/2c83022dc67b48c3b12b7b92f8a36806/FLAGd43808fe6 [2019-09-20 13:45:20,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5916ada85/2c83022dc67b48c3b12b7b92f8a36806 [2019-09-20 13:45:20,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:45:20,858 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:45:20,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:45:20,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:45:20,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:45:20,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:45:20" (1/1) ... [2019-09-20 13:45:20,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c14d3af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:20, skipping insertion in model container [2019-09-20 13:45:20,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:45:20" (1/1) ... [2019-09-20 13:45:20,876 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:45:21,042 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:45:23,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:45:23,312 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:45:23,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:45:23,988 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:45:23,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:23 WrapperNode [2019-09-20 13:45:23,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:45:23,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:45:23,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:45:23,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:45:24,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:23" (1/1) ... [2019-09-20 13:45:24,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:23" (1/1) ... [2019-09-20 13:45:24,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:23" (1/1) ... [2019-09-20 13:45:24,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:23" (1/1) ... [2019-09-20 13:45:24,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:23" (1/1) ... [2019-09-20 13:45:24,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:23" (1/1) ... [2019-09-20 13:45:24,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:23" (1/1) ... [2019-09-20 13:45:24,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:45:24,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:45:24,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:45:24,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:45:24,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:23" (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 13:45:24,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:45:24,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:45:24,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:45:24,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-20 13:45:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-09-20 13:45:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-09-20 13:45:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-20 13:45:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:45:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 13:45:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-20 13:45:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-20 13:45:24,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 13:45:24,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 13:45:24,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 13:45:24,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:45:24,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:45:24,436 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:45:24,436 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 13:45:24,436 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-20 13:45:24,436 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-20 13:45:24,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:45:24,437 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:45:24,437 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:45:24,437 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-20 13:45:24,439 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 13:45:24,439 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2019-09-20 13:45:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ss_max_streams [2019-09-20 13:45:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-20 13:45:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-20 13:45:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-20 13:45:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-09-20 13:45:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-20 13:45:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 13:45:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2019-09-20 13:45:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_bus [2019-09-20 13:45:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2019-09-20 13:45:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bidi_cmnd [2019-09-20 13:45:24,444 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_in [2019-09-20 13:45:24,444 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_out [2019-09-20 13:45:24,445 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_use_blk_mq [2019-09-20 13:45:24,445 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host [2019-09-20 13:45:24,445 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_init_shared_tag_map [2019-09-20 13:45:24,445 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_is_interface [2019-09-20 13:45:24,445 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_uas_alt_setting [2019-09-20 13:45:24,445 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_endpoints [2019-09-20 13:45:24,445 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_use_uas_driver [2019-09-20 13:45:24,446 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_do_work [2019-09-20 13:45:24,446 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_add_work [2019-09-20 13:45:24,446 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_zap_pending [2019-09-20 13:45:24,446 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_sense [2019-09-20 13:45:24,446 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_log_cmd_state [2019-09-20 13:45:24,446 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_unsubmitted_urbs [2019-09-20 13:45:24,446 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_try_complete [2019-09-20 13:45:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_xfer_data [2019-09-20 13:45:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_stat_cmplt [2019-09-20 13:45:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_data_cmplt [2019-09-20 13:45:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmd_cmplt [2019-09-20 13:45:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_data_urb [2019-09-20 13:45:24,448 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_sense_urb [2019-09-20 13:45:24,448 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_cmd_urb [2019-09-20 13:45:24,448 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_sense_urb [2019-09-20 13:45:24,448 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_urbs [2019-09-20 13:45:24,448 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand_lck [2019-09-20 13:45:24,449 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand [2019-09-20 13:45:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_abort_handler [2019-09-20 13:45:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_bus_reset_handler [2019-09-20 13:45:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_alloc [2019-09-20 13:45:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_configure [2019-09-20 13:45:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_switch_interface [2019-09-20 13:45:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_configure_endpoints [2019-09-20 13:45:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_streams [2019-09-20 13:45:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_probe [2019-09-20 13:45:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmnd_list_empty [2019-09-20 13:45:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_wait_for_pending_cmnds [2019-09-20 13:45:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_pre_reset [2019-09-20 13:45:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_post_reset [2019-09-20 13:45:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_suspend [2019-09-20 13:45:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_resume [2019-09-20 13:45:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_reset_resume [2019-09-20 13:45:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_disconnect [2019-09-20 13:45:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_shutdown [2019-09-20 13:45:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_init [2019-09-20 13:45:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_exit [2019-09-20 13:45:24,452 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-09-20 13:45:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-09-20 13:45:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-09-20 13:45:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-09-20 13:45:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-09-20 13:45:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-09-20 13:45:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_3 [2019-09-20 13:45:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-09-20 13:45:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:45:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-09-20 13:45:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-09-20 13:45:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-09-20 13:45:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-09-20 13:45:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-09-20 13:45:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-09-20 13:45:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-09-20 13:45:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-09-20 13:45:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_13 [2019-09-20 13:45:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-09-20 13:45:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-09-20 13:45:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2019-09-20 13:45:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_add_host_with_dma_17 [2019-09-20 13:45:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_18 [2019-09-20 13:45:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_19 [2019-09-20 13:45:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_alloc_20 [2019-09-20 13:45:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_21 [2019-09-20 13:45:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_22 [2019-09-20 13:45:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_23 [2019-09-20 13:45:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_24 [2019-09-20 13:45:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_25 [2019-09-20 13:45:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:45:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-20 13:45:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:45:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-20 13:45:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-20 13:45:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-20 13:45:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-09-20 13:45:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-09-20 13:45:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-09-20 13:45:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-09-20 13:45:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-09-20 13:45:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-09-20 13:45:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-09-20 13:45:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-09-20 13:45:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-09-20 13:45:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-09-20 13:45:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-09-20 13:45:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:45:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:45:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-20 13:45:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-20 13:45:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:45:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-20 13:45:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-20 13:45:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-09-20 13:45:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-09-20 13:45:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-09-20 13:45:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-09-20 13:45:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:45:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:45:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:45:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:45:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:45:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:45:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:45:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-09-20 13:45:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-20 13:45:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-20 13:45:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-20 13:45:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev [2019-09-20 13:45:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev [2019-09-20 13:45:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2019-09-20 13:45:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev [2019-09-20 13:45:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev [2019-09-20 13:45:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev [2019-09-20 13:45:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2019-09-20 13:45:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev [2019-09-20 13:45:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev [2019-09-20 13:45:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2019-09-20 13:45:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2019-09-20 13:45:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:45:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-20 13:45:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-20 13:45:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2019-09-20 13:45:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:45:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-20 13:45:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:45:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_tags [2019-09-20 13:45:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2019-09-20 13:45:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_update_dma_alignment [2019-09-20 13:45:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-09-20 13:45:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 13:45:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-09-20 13:45:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-20 13:45:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2019-09-20 13:45:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-09-20 13:45:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2019-09-20 13:45:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:45:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2019-09-20 13:45:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-20 13:45:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-20 13:45:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-20 13:45:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:45:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-09-20 13:45:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-20 13:45:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure scmd_printk [2019-09-20 13:45:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2019-09-20 13:45:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2019-09-20 13:45:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2019-09-20 13:45:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_get_serial [2019-09-20 13:45:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_alloc [2019-09-20 13:45:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2019-09-20 13:45:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_print_command [2019-09-20 13:45:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2019-09-20 13:45:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_report_bus_reset [2019-09-20 13:45:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_scan_host [2019-09-20 13:45:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2019-09-20 13:45:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2019-09-20 13:45:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_streams [2019-09-20 13:45:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-20 13:45:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-09-20 13:45:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 13:45:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_streams [2019-09-20 13:45:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-20 13:45:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2019-09-20 13:45:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2019-09-20 13:45:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-20 13:45:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 13:45:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-09-20 13:45:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-09-20 13:45:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_stor_adjust_quirks [2019-09-20 13:45:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-20 13:45:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2019-09-20 13:45:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-09-20 13:45:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wait_anchor_empty_timeout [2019-09-20 13:45:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-20 13:45:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:45:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:45:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:45:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 13:45:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:45:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:45:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:45:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-20 13:45:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-09-20 13:45:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:45:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-09-20 13:45:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-20 13:45:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:45:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:45:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:45:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-20 13:45:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-20 13:45:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2019-09-20 13:45:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-20 13:45:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_13 [2019-09-20 13:45:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:45:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-09-20 13:45:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-09-20 13:45:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-09-20 13:45:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:45:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:45:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:45:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:45:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:45:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:45:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:45:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:45:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 13:45:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 13:45:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-20 13:45:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-20 13:45:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:45:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 13:45:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 13:45:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 13:45:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:45:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2019-09-20 13:45:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_19 [2019-09-20 13:45:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-20 13:45:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-09-20 13:45:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-09-20 13:45:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2019-09-20 13:45:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-09-20 13:45:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-09-20 13:45:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-20 13:45:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-20 13:45:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:45:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:45:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:45:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2019-09-20 13:45:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2019-09-20 13:45:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:45:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-20 13:45:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:45:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:45:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 13:45:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-20 13:45:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-20 13:45:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-20 13:45:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-09-20 13:45:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-09-20 13:45:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-09-20 13:45:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-09-20 13:45:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-09-20 13:45:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-09-20 13:45:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-09-20 13:45:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2019-09-20 13:45:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_21 [2019-09-20 13:45:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-09-20 13:45:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_22 [2019-09-20 13:45:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-20 13:45:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-20 13:45:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:45:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:45:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:45:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-09-20 13:45:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-09-20 13:45:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-09-20 13:45:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-09-20 13:45:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-09-20 13:45:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-09-20 13:45:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_3 [2019-09-20 13:45:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-09-20 13:45:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-20 13:45:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:45:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 13:45:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-09-20 13:45:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 13:45:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-20 13:45:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2019-09-20 13:45:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_update_dma_alignment [2019-09-20 13:45:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_tags [2019-09-20 13:45:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2019-09-20 13:45:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ss_max_streams [2019-09-20 13:45:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-20 13:45:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-20 13:45:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-20 13:45:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_18 [2019-09-20 13:45:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-09-20 13:45:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_streams [2019-09-20 13:45:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_streams [2019-09-20 13:45:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 13:45:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_24 [2019-09-20 13:45:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 13:45:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_25 [2019-09-20 13:45:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-09-20 13:45:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:45:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:45:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-20 13:45:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:45:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-20 13:45:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-20 13:45:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2019-09-20 13:45:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-20 13:45:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-09-20 13:45:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-20 13:45:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2019-09-20 13:45:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-09-20 13:45:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2019-09-20 13:45:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wait_anchor_empty_timeout [2019-09-20 13:45:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-09-20 13:45:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 13:45:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2019-09-20 13:45:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_bus [2019-09-20 13:45:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2019-09-20 13:45:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2019-09-20 13:45:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2019-09-20 13:45:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure scmd_printk [2019-09-20 13:45:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2019-09-20 13:45:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bidi_cmnd [2019-09-20 13:45:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_in [2019-09-20 13:45:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_out [2019-09-20 13:45:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_report_bus_reset [2019-09-20 13:45:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_print_command [2019-09-20 13:45:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure shost_use_blk_mq [2019-09-20 13:45:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2019-09-20 13:45:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_alloc_20 [2019-09-20 13:45:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2019-09-20 13:45:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_add_host_with_dma_17 [2019-09-20 13:45:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_scan_host [2019-09-20 13:45:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2019-09-20 13:45:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_23 [2019-09-20 13:45:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2019-09-20 13:45:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_get_serial [2019-09-20 13:45:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host [2019-09-20 13:45:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2019-09-20 13:45:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2019-09-20 13:45:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_init_shared_tag_map [2019-09-20 13:45:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure usb_stor_adjust_quirks [2019-09-20 13:45:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure uas_is_interface [2019-09-20 13:45:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_uas_alt_setting [2019-09-20 13:45:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_endpoints [2019-09-20 13:45:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure uas_use_uas_driver [2019-09-20 13:45:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_urbs [2019-09-20 13:45:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure uas_do_work [2019-09-20 13:45:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure uas_try_complete [2019-09-20 13:45:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_streams [2019-09-20 13:45:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure uas_log_cmd_state [2019-09-20 13:45:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure uas_add_work [2019-09-20 13:45:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure uas_zap_pending [2019-09-20 13:45:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure uas_sense [2019-09-20 13:45:24,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:45:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_unsubmitted_urbs [2019-09-20 13:45:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:45:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure uas_xfer_data [2019-09-20 13:45:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure uas_stat_cmplt [2019-09-20 13:45:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure uas_data_cmplt [2019-09-20 13:45:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmd_cmplt [2019-09-20 13:45:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_data_urb [2019-09-20 13:45:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_sense_urb [2019-09-20 13:45:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_cmd_urb [2019-09-20 13:45:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_sense_urb [2019-09-20 13:45:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand_lck [2019-09-20 13:45:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand [2019-09-20 13:45:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_abort_handler [2019-09-20 13:45:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_bus_reset_handler [2019-09-20 13:45:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_alloc [2019-09-20 13:45:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_configure [2019-09-20 13:45:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure uas_switch_interface [2019-09-20 13:45:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure uas_configure_endpoints [2019-09-20 13:45:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure uas_probe [2019-09-20 13:45:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmnd_list_empty [2019-09-20 13:45:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure uas_wait_for_pending_cmnds [2019-09-20 13:45:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure uas_pre_reset [2019-09-20 13:45:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure uas_post_reset [2019-09-20 13:45:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure uas_suspend [2019-09-20 13:45:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure uas_resume [2019-09-20 13:45:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure uas_reset_resume [2019-09-20 13:45:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure uas_disconnect [2019-09-20 13:45:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure uas_shutdown [2019-09-20 13:45:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_init [2019-09-20 13:45:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_exit [2019-09-20 13:45:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:45:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:45:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:45:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:45:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-20 13:45:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:45:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-20 13:45:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-20 13:45:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-20 13:45:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-09-20 13:45:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-09-20 13:45:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-09-20 13:45:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-09-20 13:45:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-09-20 13:45:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-09-20 13:45:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-09-20 13:45:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-09-20 13:45:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-09-20 13:45:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:45:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:45:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-20 13:45:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:45:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-20 13:45:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-09-20 13:45:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-09-20 13:45:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-09-20 13:45:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-09-20 13:45:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:45:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:45:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:45:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:45:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-09-20 13:45:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-20 13:45:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-20 13:45:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-20 13:45:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev [2019-09-20 13:45:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev [2019-09-20 13:45:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2019-09-20 13:45:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev [2019-09-20 13:45:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev [2019-09-20 13:45:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev [2019-09-20 13:45:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2019-09-20 13:45:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev [2019-09-20 13:45:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev [2019-09-20 13:45:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:45:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:45:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:45:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:45:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:45:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:45:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:45:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:45:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:45:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:45:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:45:24,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:45:25,697 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:45:31,928 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:45:31,928 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:45:31,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:45:31 BoogieIcfgContainer [2019-09-20 13:45:31,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:45:31,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:45:31,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:45:31,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:45:31,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:45:20" (1/3) ... [2019-09-20 13:45:31,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79408b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:45:31, skipping insertion in model container [2019-09-20 13:45:31,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:45:23" (2/3) ... [2019-09-20 13:45:31,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79408b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:45:31, skipping insertion in model container [2019-09-20 13:45:31,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:45:31" (3/3) ... [2019-09-20 13:45:31,944 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 13:45:31,955 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:45:31,964 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:45:31,980 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:45:32,006 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:45:32,007 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:45:32,007 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:45:32,007 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:45:32,007 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:45:32,007 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:45:32,007 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:45:32,007 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:45:32,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states. [2019-09-20 13:45:32,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-20 13:45:32,085 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:32,086 INFO L407 BasicCegarLoop]: trace histogram [3, 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 13:45:32,088 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:32,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:32,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1372524347, now seen corresponding path program 1 times [2019-09-20 13:45:32,097 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:32,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:32,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:32,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:32,217 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:32,937 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-20 13:45:32,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:32,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:32,940 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:32,948 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:32,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:32,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:32,966 INFO L87 Difference]: Start difference. First operand 1643 states. Second operand 3 states. [2019-09-20 13:45:34,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:34,863 INFO L93 Difference]: Finished difference Result 2671 states and 3529 transitions. [2019-09-20 13:45:34,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:34,866 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2019-09-20 13:45:34,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:34,905 INFO L225 Difference]: With dead ends: 2671 [2019-09-20 13:45:34,906 INFO L226 Difference]: Without dead ends: 2650 [2019-09-20 13:45:34,907 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 13:45:34,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2019-09-20 13:45:35,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 2646. [2019-09-20 13:45:35,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2646 states. [2019-09-20 13:45:35,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 3493 transitions. [2019-09-20 13:45:35,147 INFO L78 Accepts]: Start accepts. Automaton has 2646 states and 3493 transitions. Word has length 81 [2019-09-20 13:45:35,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:35,147 INFO L475 AbstractCegarLoop]: Abstraction has 2646 states and 3493 transitions. [2019-09-20 13:45:35,148 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:35,148 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 3493 transitions. [2019-09-20 13:45:35,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-09-20 13:45:35,156 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:35,156 INFO L407 BasicCegarLoop]: trace histogram [3, 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 13:45:35,157 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:35,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:35,157 INFO L82 PathProgramCache]: Analyzing trace with hash -930638884, now seen corresponding path program 1 times [2019-09-20 13:45:35,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:35,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:35,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:35,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:35,178 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:35,543 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-20 13:45:35,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:35,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:35,543 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:35,548 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:35,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:35,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:35,548 INFO L87 Difference]: Start difference. First operand 2646 states and 3493 transitions. Second operand 3 states. [2019-09-20 13:45:35,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:35,833 INFO L93 Difference]: Finished difference Result 4881 states and 6463 transitions. [2019-09-20 13:45:35,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:35,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2019-09-20 13:45:35,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:35,864 INFO L225 Difference]: With dead ends: 4881 [2019-09-20 13:45:35,865 INFO L226 Difference]: Without dead ends: 4881 [2019-09-20 13:45:35,866 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 13:45:35,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4881 states. [2019-09-20 13:45:36,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4881 to 4792. [2019-09-20 13:45:36,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4792 states. [2019-09-20 13:45:36,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4792 states to 4792 states and 6366 transitions. [2019-09-20 13:45:36,113 INFO L78 Accepts]: Start accepts. Automaton has 4792 states and 6366 transitions. Word has length 86 [2019-09-20 13:45:36,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:36,113 INFO L475 AbstractCegarLoop]: Abstraction has 4792 states and 6366 transitions. [2019-09-20 13:45:36,114 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:36,114 INFO L276 IsEmpty]: Start isEmpty. Operand 4792 states and 6366 transitions. [2019-09-20 13:45:36,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-20 13:45:36,116 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:36,116 INFO L407 BasicCegarLoop]: trace histogram [4, 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 13:45:36,117 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:36,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:36,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1844870400, now seen corresponding path program 1 times [2019-09-20 13:45:36,117 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:36,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:36,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:36,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:36,128 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:36,343 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-20 13:45:36,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:36,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:36,343 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:36,344 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:36,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:36,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:36,345 INFO L87 Difference]: Start difference. First operand 4792 states and 6366 transitions. Second operand 3 states. [2019-09-20 13:45:36,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:36,544 INFO L93 Difference]: Finished difference Result 4803 states and 6377 transitions. [2019-09-20 13:45:36,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:36,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2019-09-20 13:45:36,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:36,578 INFO L225 Difference]: With dead ends: 4803 [2019-09-20 13:45:36,578 INFO L226 Difference]: Without dead ends: 4803 [2019-09-20 13:45:36,579 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 13:45:36,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4803 states. [2019-09-20 13:45:36,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4803 to 4792. [2019-09-20 13:45:36,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4792 states. [2019-09-20 13:45:36,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4792 states to 4792 states and 6364 transitions. [2019-09-20 13:45:36,796 INFO L78 Accepts]: Start accepts. Automaton has 4792 states and 6364 transitions. Word has length 102 [2019-09-20 13:45:36,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:36,797 INFO L475 AbstractCegarLoop]: Abstraction has 4792 states and 6364 transitions. [2019-09-20 13:45:36,797 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:36,797 INFO L276 IsEmpty]: Start isEmpty. Operand 4792 states and 6364 transitions. [2019-09-20 13:45:36,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-20 13:45:36,808 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:36,808 INFO L407 BasicCegarLoop]: trace histogram [4, 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 13:45:36,808 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:36,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:36,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1787612098, now seen corresponding path program 1 times [2019-09-20 13:45:36,809 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:36,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:36,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:36,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:36,826 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-20 13:45:37,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:37,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:37,114 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:37,115 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:37,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:37,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:37,116 INFO L87 Difference]: Start difference. First operand 4792 states and 6364 transitions. Second operand 3 states. [2019-09-20 13:45:37,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:37,169 INFO L93 Difference]: Finished difference Result 4791 states and 6362 transitions. [2019-09-20 13:45:37,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:37,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2019-09-20 13:45:37,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:37,200 INFO L225 Difference]: With dead ends: 4791 [2019-09-20 13:45:37,201 INFO L226 Difference]: Without dead ends: 4791 [2019-09-20 13:45:37,201 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 13:45:37,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4791 states. [2019-09-20 13:45:37,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4791 to 4791. [2019-09-20 13:45:37,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4791 states. [2019-09-20 13:45:37,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4791 states to 4791 states and 6362 transitions. [2019-09-20 13:45:37,357 INFO L78 Accepts]: Start accepts. Automaton has 4791 states and 6362 transitions. Word has length 102 [2019-09-20 13:45:37,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:37,357 INFO L475 AbstractCegarLoop]: Abstraction has 4791 states and 6362 transitions. [2019-09-20 13:45:37,358 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:37,358 INFO L276 IsEmpty]: Start isEmpty. Operand 4791 states and 6362 transitions. [2019-09-20 13:45:37,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-20 13:45:37,363 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:37,363 INFO L407 BasicCegarLoop]: trace histogram [4, 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 13:45:37,364 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:37,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:37,364 INFO L82 PathProgramCache]: Analyzing trace with hash 417914441, now seen corresponding path program 1 times [2019-09-20 13:45:37,364 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:37,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:37,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:37,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:37,383 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:37,684 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-20 13:45:37,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:37,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:37,685 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:37,686 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:37,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:37,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:37,687 INFO L87 Difference]: Start difference. First operand 4791 states and 6362 transitions. Second operand 3 states. [2019-09-20 13:45:37,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:37,742 INFO L93 Difference]: Finished difference Result 4790 states and 6360 transitions. [2019-09-20 13:45:37,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:37,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-09-20 13:45:37,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:37,773 INFO L225 Difference]: With dead ends: 4790 [2019-09-20 13:45:37,773 INFO L226 Difference]: Without dead ends: 4790 [2019-09-20 13:45:37,774 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 13:45:37,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4790 states. [2019-09-20 13:45:38,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4790 to 4790. [2019-09-20 13:45:38,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4790 states. [2019-09-20 13:45:38,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4790 states to 4790 states and 6360 transitions. [2019-09-20 13:45:38,487 INFO L78 Accepts]: Start accepts. Automaton has 4790 states and 6360 transitions. Word has length 103 [2019-09-20 13:45:38,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:38,489 INFO L475 AbstractCegarLoop]: Abstraction has 4790 states and 6360 transitions. [2019-09-20 13:45:38,489 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:38,489 INFO L276 IsEmpty]: Start isEmpty. Operand 4790 states and 6360 transitions. [2019-09-20 13:45:38,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-09-20 13:45:38,491 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:38,492 INFO L407 BasicCegarLoop]: trace histogram [4, 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 13:45:38,493 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:38,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:38,493 INFO L82 PathProgramCache]: Analyzing trace with hash 69765281, now seen corresponding path program 1 times [2019-09-20 13:45:38,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:38,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:38,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:38,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:38,505 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:38,781 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-20 13:45:38,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:38,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:38,782 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:38,783 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:38,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:38,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:38,783 INFO L87 Difference]: Start difference. First operand 4790 states and 6360 transitions. Second operand 3 states. [2019-09-20 13:45:38,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:38,827 INFO L93 Difference]: Finished difference Result 4789 states and 6358 transitions. [2019-09-20 13:45:38,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:38,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2019-09-20 13:45:38,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:38,857 INFO L225 Difference]: With dead ends: 4789 [2019-09-20 13:45:38,858 INFO L226 Difference]: Without dead ends: 4789 [2019-09-20 13:45:38,858 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 13:45:38,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4789 states. [2019-09-20 13:45:38,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4789 to 4789. [2019-09-20 13:45:38,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4789 states. [2019-09-20 13:45:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4789 states to 4789 states and 6358 transitions. [2019-09-20 13:45:38,992 INFO L78 Accepts]: Start accepts. Automaton has 4789 states and 6358 transitions. Word has length 104 [2019-09-20 13:45:38,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:38,992 INFO L475 AbstractCegarLoop]: Abstraction has 4789 states and 6358 transitions. [2019-09-20 13:45:38,993 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:38,993 INFO L276 IsEmpty]: Start isEmpty. Operand 4789 states and 6358 transitions. [2019-09-20 13:45:38,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-20 13:45:38,995 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:38,995 INFO L407 BasicCegarLoop]: trace histogram [4, 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 13:45:38,996 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:38,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:38,996 INFO L82 PathProgramCache]: Analyzing trace with hash -2132919220, now seen corresponding path program 1 times [2019-09-20 13:45:38,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:39,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:39,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:39,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:39,007 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:39,248 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-20 13:45:39,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:39,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:39,248 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:39,249 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:39,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:39,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:39,250 INFO L87 Difference]: Start difference. First operand 4789 states and 6358 transitions. Second operand 3 states. [2019-09-20 13:45:39,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:39,380 INFO L93 Difference]: Finished difference Result 9516 states and 12653 transitions. [2019-09-20 13:45:39,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:39,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2019-09-20 13:45:39,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:39,438 INFO L225 Difference]: With dead ends: 9516 [2019-09-20 13:45:39,438 INFO L226 Difference]: Without dead ends: 9498 [2019-09-20 13:45:39,439 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 13:45:39,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9498 states. [2019-09-20 13:45:39,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9498 to 9485. [2019-09-20 13:45:39,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9485 states. [2019-09-20 13:45:39,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9485 states to 9485 states and 12620 transitions. [2019-09-20 13:45:39,746 INFO L78 Accepts]: Start accepts. Automaton has 9485 states and 12620 transitions. Word has length 105 [2019-09-20 13:45:39,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:39,746 INFO L475 AbstractCegarLoop]: Abstraction has 9485 states and 12620 transitions. [2019-09-20 13:45:39,746 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:39,746 INFO L276 IsEmpty]: Start isEmpty. Operand 9485 states and 12620 transitions. [2019-09-20 13:45:39,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-09-20 13:45:39,761 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:39,762 INFO L407 BasicCegarLoop]: trace histogram [3, 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 13:45:39,762 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:39,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:39,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1407679633, now seen corresponding path program 1 times [2019-09-20 13:45:39,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:39,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:39,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:39,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:39,774 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:40,180 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-09-20 13:45:40,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:40,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:40,181 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:40,181 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:40,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:40,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:40,182 INFO L87 Difference]: Start difference. First operand 9485 states and 12620 transitions. Second operand 3 states. [2019-09-20 13:45:40,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:40,544 INFO L93 Difference]: Finished difference Result 15809 states and 21123 transitions. [2019-09-20 13:45:40,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:40,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2019-09-20 13:45:40,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:40,644 INFO L225 Difference]: With dead ends: 15809 [2019-09-20 13:45:40,644 INFO L226 Difference]: Without dead ends: 15809 [2019-09-20 13:45:40,645 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 13:45:40,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15809 states. [2019-09-20 13:45:41,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15809 to 15741. [2019-09-20 13:45:41,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15741 states. [2019-09-20 13:45:41,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15741 states to 15741 states and 21046 transitions. [2019-09-20 13:45:41,199 INFO L78 Accepts]: Start accepts. Automaton has 15741 states and 21046 transitions. Word has length 213 [2019-09-20 13:45:41,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:41,200 INFO L475 AbstractCegarLoop]: Abstraction has 15741 states and 21046 transitions. [2019-09-20 13:45:41,200 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:41,200 INFO L276 IsEmpty]: Start isEmpty. Operand 15741 states and 21046 transitions. [2019-09-20 13:45:41,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-09-20 13:45:41,231 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:41,231 INFO L407 BasicCegarLoop]: trace histogram [4, 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 13:45:41,232 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:41,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:41,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1889328261, now seen corresponding path program 1 times [2019-09-20 13:45:41,232 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:41,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:41,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:41,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:41,245 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:41,574 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-09-20 13:45:41,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:41,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:45:41,575 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:41,576 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:45:41,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:45:41,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:45:41,577 INFO L87 Difference]: Start difference. First operand 15741 states and 21046 transitions. Second operand 5 states. [2019-09-20 13:45:41,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:41,738 INFO L93 Difference]: Finished difference Result 15789 states and 21094 transitions. [2019-09-20 13:45:41,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:45:41,739 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 251 [2019-09-20 13:45:41,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:41,815 INFO L225 Difference]: With dead ends: 15789 [2019-09-20 13:45:41,815 INFO L226 Difference]: Without dead ends: 15789 [2019-09-20 13:45:41,816 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 13:45:41,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15789 states. [2019-09-20 13:45:42,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15789 to 15781. [2019-09-20 13:45:42,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15781 states. [2019-09-20 13:45:42,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15781 states to 15781 states and 21086 transitions. [2019-09-20 13:45:42,667 INFO L78 Accepts]: Start accepts. Automaton has 15781 states and 21086 transitions. Word has length 251 [2019-09-20 13:45:42,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:42,667 INFO L475 AbstractCegarLoop]: Abstraction has 15781 states and 21086 transitions. [2019-09-20 13:45:42,667 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:45:42,667 INFO L276 IsEmpty]: Start isEmpty. Operand 15781 states and 21086 transitions. [2019-09-20 13:45:42,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-09-20 13:45:42,696 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:42,696 INFO L407 BasicCegarLoop]: trace histogram [4, 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 13:45:42,697 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:42,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:42,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1957239255, now seen corresponding path program 1 times [2019-09-20 13:45:42,697 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:42,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:42,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:42,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:42,707 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:43,120 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-09-20 13:45:43,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:43,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:45:43,120 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:43,121 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:45:43,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:45:43,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:45:43,122 INFO L87 Difference]: Start difference. First operand 15781 states and 21086 transitions. Second operand 7 states. [2019-09-20 13:45:43,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:43,256 INFO L93 Difference]: Finished difference Result 13135 states and 17506 transitions. [2019-09-20 13:45:43,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:45:43,256 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 277 [2019-09-20 13:45:43,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:43,308 INFO L225 Difference]: With dead ends: 13135 [2019-09-20 13:45:43,309 INFO L226 Difference]: Without dead ends: 13135 [2019-09-20 13:45:43,309 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 13:45:43,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13135 states. [2019-09-20 13:45:44,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13135 to 13127. [2019-09-20 13:45:44,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13127 states. [2019-09-20 13:45:44,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13127 states to 13127 states and 17498 transitions. [2019-09-20 13:45:44,378 INFO L78 Accepts]: Start accepts. Automaton has 13127 states and 17498 transitions. Word has length 277 [2019-09-20 13:45:44,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:44,379 INFO L475 AbstractCegarLoop]: Abstraction has 13127 states and 17498 transitions. [2019-09-20 13:45:44,379 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:45:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 13127 states and 17498 transitions. [2019-09-20 13:45:44,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2019-09-20 13:45:44,435 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:44,436 INFO L407 BasicCegarLoop]: trace histogram [4, 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 13:45:44,436 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:44,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:44,437 INFO L82 PathProgramCache]: Analyzing trace with hash 658746045, now seen corresponding path program 1 times [2019-09-20 13:45:44,437 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:44,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:44,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:44,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:44,450 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:44,936 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2019-09-20 13:45:44,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:44,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:44,936 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:44,937 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:44,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:44,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:44,938 INFO L87 Difference]: Start difference. First operand 13127 states and 17498 transitions. Second operand 3 states. [2019-09-20 13:45:47,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:47,358 INFO L93 Difference]: Finished difference Result 13127 states and 17494 transitions. [2019-09-20 13:45:47,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:47,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 337 [2019-09-20 13:45:47,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:47,428 INFO L225 Difference]: With dead ends: 13127 [2019-09-20 13:45:47,428 INFO L226 Difference]: Without dead ends: 13127 [2019-09-20 13:45:47,430 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 13:45:47,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13127 states. [2019-09-20 13:45:47,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13127 to 13127. [2019-09-20 13:45:47,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13127 states. [2019-09-20 13:45:47,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13127 states to 13127 states and 17494 transitions. [2019-09-20 13:45:47,776 INFO L78 Accepts]: Start accepts. Automaton has 13127 states and 17494 transitions. Word has length 337 [2019-09-20 13:45:47,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:47,777 INFO L475 AbstractCegarLoop]: Abstraction has 13127 states and 17494 transitions. [2019-09-20 13:45:47,777 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:47,778 INFO L276 IsEmpty]: Start isEmpty. Operand 13127 states and 17494 transitions. [2019-09-20 13:45:47,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2019-09-20 13:45:47,817 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:47,818 INFO L407 BasicCegarLoop]: trace histogram [4, 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, 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, 1] [2019-09-20 13:45:47,818 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:47,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:47,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1989726924, now seen corresponding path program 1 times [2019-09-20 13:45:47,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:47,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:47,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:47,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:47,829 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:48,352 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2019-09-20 13:45:48,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:48,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:45:48,353 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:48,355 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:45:48,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:45:48,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:45:48,357 INFO L87 Difference]: Start difference. First operand 13127 states and 17494 transitions. Second operand 10 states. [2019-09-20 13:45:48,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:48,673 INFO L93 Difference]: Finished difference Result 13030 states and 17330 transitions. [2019-09-20 13:45:48,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:45:48,673 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 342 [2019-09-20 13:45:48,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:48,674 INFO L225 Difference]: With dead ends: 13030 [2019-09-20 13:45:48,674 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:45:48,675 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:45:48,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:45:48,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:45:48,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:45:48,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:45:48,675 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 342 [2019-09-20 13:45:48,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:48,676 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:45:48,676 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:45:48,676 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:45:48,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:45:48,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:45:48 BoogieIcfgContainer [2019-09-20 13:45:48,682 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:45:48,684 INFO L168 Benchmark]: Toolchain (without parser) took 27825.08 ms. Allocated memory was 138.9 MB in the beginning and 1.1 GB in the end (delta: 952.1 MB). Free memory was 76.2 MB in the beginning and 872.3 MB in the end (delta: -796.1 MB). Peak memory consumption was 156.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:45:48,685 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:45:48,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3130.60 ms. Allocated memory was 138.9 MB in the beginning and 268.4 MB in the end (delta: 129.5 MB). Free memory was 76.2 MB in the beginning and 129.9 MB in the end (delta: -53.8 MB). Peak memory consumption was 107.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:45:48,688 INFO L168 Benchmark]: Boogie Preprocessor took 377.62 ms. Allocated memory is still 268.4 MB. Free memory was 129.9 MB in the beginning and 98.1 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:45:48,694 INFO L168 Benchmark]: RCFGBuilder took 7562.03 ms. Allocated memory was 268.4 MB in the beginning and 455.6 MB in the end (delta: 187.2 MB). Free memory was 98.1 MB in the beginning and 321.0 MB in the end (delta: -223.0 MB). Peak memory consumption was 254.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:45:48,695 INFO L168 Benchmark]: TraceAbstraction took 16746.99 ms. Allocated memory was 455.6 MB in the beginning and 1.1 GB in the end (delta: 635.4 MB). Free memory was 321.0 MB in the beginning and 872.3 MB in the end (delta: -551.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:45:48,701 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3130.60 ms. Allocated memory was 138.9 MB in the beginning and 268.4 MB in the end (delta: 129.5 MB). Free memory was 76.2 MB in the beginning and 129.9 MB in the end (delta: -53.8 MB). Peak memory consumption was 107.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 377.62 ms. Allocated memory is still 268.4 MB. Free memory was 129.9 MB in the beginning and 98.1 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7562.03 ms. Allocated memory was 268.4 MB in the beginning and 455.6 MB in the end (delta: 187.2 MB). Free memory was 98.1 MB in the beginning and 321.0 MB in the end (delta: -223.0 MB). Peak memory consumption was 254.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16746.99 ms. Allocated memory was 455.6 MB in the beginning and 1.1 GB in the end (delta: 635.4 MB). Free memory was 321.0 MB in the beginning and 872.3 MB in the end (delta: -551.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7414]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 224 procedures, 1823 locations, 1 error locations. SAFE Result, 16.6s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 6.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 24365 SDtfs, 14207 SDslu, 36911 SDs, 0 SdLazy, 165 SolverSat, 24 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15781occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 201 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2103 NumberOfCodeBlocks, 2103 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2091 ConstructedInterpolants, 0 QuantifiedInterpolants, 546702 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 802/802 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...