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-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:46:02,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:46:02,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:46:03,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:46:03,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:46:03,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:46:03,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:46:03,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:46:03,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:46:03,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:46:03,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:46:03,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:46:03,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:46:03,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:46:03,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:46:03,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:46:03,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:46:03,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:46:03,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:46:03,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:46:03,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:46:03,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:46:03,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:46:03,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:46:03,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:46:03,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:46:03,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:46:03,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:46:03,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:46:03,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:46:03,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:46:03,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:46:03,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:46:03,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:46:03,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:46:03,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:46:03,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:46:03,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:46:03,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:46:03,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:46:03,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:46:03,037 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 13:46:03,052 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:46:03,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:46:03,052 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:46:03,053 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:46:03,053 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:46:03,054 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:46:03,054 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:46:03,054 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:46:03,054 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:46:03,054 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:46:03,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:46:03,055 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:46:03,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:46:03,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:46:03,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:46:03,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:46:03,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:46:03,056 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:46:03,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:46:03,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:46:03,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:46:03,057 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:46:03,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:46:03,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:46:03,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:46:03,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:46:03,058 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:46:03,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:46:03,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:46:03,059 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:46:03,087 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:46:03,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:46:03,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:46:03,105 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:46:03,105 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:46:03,106 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2019-09-20 13:46:03,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19eb15bbc/e9475340dd3a49d98f350b1d03864f44/FLAG72915cebc [2019-09-20 13:46:03,905 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:46:03,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2019-09-20 13:46:03,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19eb15bbc/e9475340dd3a49d98f350b1d03864f44/FLAG72915cebc [2019-09-20 13:46:04,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19eb15bbc/e9475340dd3a49d98f350b1d03864f44 [2019-09-20 13:46:04,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:46:04,418 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:46:04,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:46:04,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:46:04,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:46:04,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:46:04" (1/1) ... [2019-09-20 13:46:04,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a82c030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:04, skipping insertion in model container [2019-09-20 13:46:04,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:46:04" (1/1) ... [2019-09-20 13:46:04,435 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:46:04,577 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:46:06,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:46:06,118 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:46:06,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:46:06,776 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:46:06,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:06 WrapperNode [2019-09-20 13:46:06,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:46:06,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:46:06,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:46:06,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:46:06,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:06" (1/1) ... [2019-09-20 13:46:06,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:06" (1/1) ... [2019-09-20 13:46:06,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:06" (1/1) ... [2019-09-20 13:46:06,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:06" (1/1) ... [2019-09-20 13:46:07,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:06" (1/1) ... [2019-09-20 13:46:07,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:06" (1/1) ... [2019-09-20 13:46:07,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:06" (1/1) ... [2019-09-20 13:46:07,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:46:07,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:46:07,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:46:07,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:46:07,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:06" (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 13:46:07,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:46:07,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:46:07,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:46:07,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-20 13:46:07,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-09-20 13:46:07,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-09-20 13:46:07,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:46:07,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 13:46:07,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-20 13:46:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-20 13:46:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 13:46:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 13:46:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 13:46:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:46:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:46:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-20 13:46:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:46:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-09-20 13:46:07,269 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-20 13:46:07,269 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-20 13:46:07,269 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-20 13:46:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 13:46:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2019-09-20 13:46:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2019-09-20 13:46:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ss_max_streams [2019-09-20 13:46:07,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-20 13:46:07,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-20 13:46:07,272 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-20 13:46:07,272 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-09-20 13:46:07,272 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-20 13:46:07,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 13:46:07,272 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2019-09-20 13:46:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_bus [2019-09-20 13:46:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2019-09-20 13:46:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bidi_cmnd [2019-09-20 13:46:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_in [2019-09-20 13:46:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_out [2019-09-20 13:46:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_use_blk_mq [2019-09-20 13:46:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host [2019-09-20 13:46:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_init_shared_tag_map [2019-09-20 13:46:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_is_interface [2019-09-20 13:46:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_uas_alt_setting [2019-09-20 13:46:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_endpoints [2019-09-20 13:46:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_use_uas_driver [2019-09-20 13:46:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_do_work [2019-09-20 13:46:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_add_work [2019-09-20 13:46:07,275 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_zap_pending [2019-09-20 13:46:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_sense [2019-09-20 13:46:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_log_cmd_state [2019-09-20 13:46:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_unsubmitted_urbs [2019-09-20 13:46:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_try_complete [2019-09-20 13:46:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_xfer_data [2019-09-20 13:46:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_stat_cmplt [2019-09-20 13:46:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_data_cmplt [2019-09-20 13:46:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmd_cmplt [2019-09-20 13:46:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_data_urb [2019-09-20 13:46:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_sense_urb [2019-09-20 13:46:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_cmd_urb [2019-09-20 13:46:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_sense_urb [2019-09-20 13:46:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_urbs [2019-09-20 13:46:07,279 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand_lck [2019-09-20 13:46:07,279 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand [2019-09-20 13:46:07,279 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_abort_handler [2019-09-20 13:46:07,279 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_bus_reset_handler [2019-09-20 13:46:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_alloc [2019-09-20 13:46:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_configure [2019-09-20 13:46:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_switch_interface [2019-09-20 13:46:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_configure_endpoints [2019-09-20 13:46:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_streams [2019-09-20 13:46:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_probe [2019-09-20 13:46:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmnd_list_empty [2019-09-20 13:46:07,282 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_wait_for_pending_cmnds [2019-09-20 13:46:07,282 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_pre_reset [2019-09-20 13:46:07,283 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_post_reset [2019-09-20 13:46:07,283 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_suspend [2019-09-20 13:46:07,283 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_resume [2019-09-20 13:46:07,283 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_reset_resume [2019-09-20 13:46:07,283 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_disconnect [2019-09-20 13:46:07,284 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_shutdown [2019-09-20 13:46:07,285 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_init [2019-09-20 13:46:07,285 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_exit [2019-09-20 13:46:07,285 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-09-20 13:46:07,285 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-09-20 13:46:07,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-09-20 13:46:07,286 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-09-20 13:46:07,287 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-09-20 13:46:07,288 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-09-20 13:46:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_3 [2019-09-20 13:46:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-09-20 13:46:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:46:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 13:46:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2019-09-20 13:46:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2019-09-20 13:46:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2019-09-20 13:46:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2019-09-20 13:46:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2019-09-20 13:46:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_25 [2019-09-20 13:46:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:46:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_add_host_with_dma_29 [2019-09-20 13:46:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_30 [2019-09-20 13:46:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_31 [2019-09-20 13:46:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_32 [2019-09-20 13:46:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2019-09-20 13:46:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_34 [2019-09-20 13:46:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_35 [2019-09-20 13:46:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_36 [2019-09-20 13:46:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_alloc_37 [2019-09-20 13:46:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_38 [2019-09-20 13:46:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_39 [2019-09-20 13:46:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_40 [2019-09-20 13:46:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_41 [2019-09-20 13:46:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_42 [2019-09-20 13:46:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:46:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:46:07,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-20 13:46:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-20 13:46:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-20 13:46:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-20 13:46:07,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-20 13:46:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-09-20 13:46:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-09-20 13:46:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-09-20 13:46:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-09-20 13:46:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-20 13:46:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-20 13:46:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:46:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:46:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_tags [2019-09-20 13:46:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2019-09-20 13:46:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_update_dma_alignment [2019-09-20 13:46:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-09-20 13:46:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 13:46:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-09-20 13:46:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-20 13:46:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2019-09-20 13:46:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-09-20 13:46:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2019-09-20 13:46:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:46:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:46:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-09-20 13:46:07,306 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2019-09-20 13:46:07,306 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-20 13:46:07,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:46:07,313 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-09-20 13:46:07,314 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-20 13:46:07,314 INFO L138 BoogieDeclarations]: Found implementation of procedure scmd_printk [2019-09-20 13:46:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2019-09-20 13:46:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2019-09-20 13:46:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2019-09-20 13:46:07,316 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_get_serial [2019-09-20 13:46:07,316 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_alloc [2019-09-20 13:46:07,316 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2019-09-20 13:46:07,316 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_print_command [2019-09-20 13:46:07,316 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2019-09-20 13:46:07,316 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_report_bus_reset [2019-09-20 13:46:07,317 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_scan_host [2019-09-20 13:46:07,317 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2019-09-20 13:46:07,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2019-09-20 13:46:07,317 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_streams [2019-09-20 13:46:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-09-20 13:46:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 13:46:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_streams [2019-09-20 13:46:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-20 13:46:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2019-09-20 13:46:07,319 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2019-09-20 13:46:07,319 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-20 13:46:07,319 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_lock_device_for_reset [2019-09-20 13:46:07,319 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 13:46:07,320 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-09-20 13:46:07,320 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-09-20 13:46:07,320 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_stor_adjust_quirks [2019-09-20 13:46:07,320 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2019-09-20 13:46:07,320 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-09-20 13:46:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wait_anchor_empty_timeout [2019-09-20 13:46:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-20 13:46:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:46:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:46:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:46:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 13:46:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:46:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:46:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:46:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-20 13:46:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-09-20 13:46:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:46:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-09-20 13:46:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-09-20 13:46:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-09-20 13:46:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:46:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:46:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:46:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:46:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:46:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:46:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:46:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:46:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:46:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 13:46:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 13:46:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-20 13:46:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-20 13:46:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:46:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 13:46:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 13:46:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 13:46:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:46:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-20 13:46:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:46:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-20 13:46:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:46:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-20 13:46:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2019-09-20 13:46:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:46:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:46:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:46:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-09-20 13:46:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 13:46:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-20 13:46:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:46:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-20 13:46:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-20 13:46:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2019-09-20 13:46:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2019-09-20 13:46:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-09-20 13:46:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2019-09-20 13:46:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2019-09-20 13:46:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-09-20 13:46:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2019-09-20 13:46:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2019-09-20 13:46:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_38 [2019-09-20 13:46:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-09-20 13:46:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_39 [2019-09-20 13:46:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-20 13:46:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-20 13:46:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_25 [2019-09-20 13:46:07,331 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:46:07,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-20 13:46:07,331 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-09-20 13:46:07,331 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-09-20 13:46:07,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-09-20 13:46:07,331 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-09-20 13:46:07,331 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-09-20 13:46:07,331 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-09-20 13:46:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_3 [2019-09-20 13:46:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-09-20 13:46:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-20 13:46:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:46:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 13:46:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2019-09-20 13:46:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-09-20 13:46:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 13:46:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-20 13:46:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2019-09-20 13:46:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_update_dma_alignment [2019-09-20 13:46:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_tags [2019-09-20 13:46:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2019-09-20 13:46:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ss_max_streams [2019-09-20 13:46:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-20 13:46:07,334 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-20 13:46:07,334 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-20 13:46:07,334 INFO L130 BoogieDeclarations]: Found specification of procedure usb_lock_device_for_reset [2019-09-20 13:46:07,334 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-09-20 13:46:07,334 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_streams [2019-09-20 13:46:07,334 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_streams [2019-09-20 13:46:07,334 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 13:46:07,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_41 [2019-09-20 13:46:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 13:46:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_42 [2019-09-20 13:46:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-09-20 13:46:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:46:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:46:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-20 13:46:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:46:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_30 [2019-09-20 13:46:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_31 [2019-09-20 13:46:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_32 [2019-09-20 13:46:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-20 13:46:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2019-09-20 13:46:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2019-09-20 13:46:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_34 [2019-09-20 13:46:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_35 [2019-09-20 13:46:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_36 [2019-09-20 13:46:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-09-20 13:46:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-20 13:46:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2019-09-20 13:46:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-09-20 13:46:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2019-09-20 13:46:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wait_anchor_empty_timeout [2019-09-20 13:46:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-09-20 13:46:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 13:46:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2019-09-20 13:46:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_bus [2019-09-20 13:46:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2019-09-20 13:46:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2019-09-20 13:46:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2019-09-20 13:46:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure scmd_printk [2019-09-20 13:46:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2019-09-20 13:46:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bidi_cmnd [2019-09-20 13:46:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_in [2019-09-20 13:46:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_out [2019-09-20 13:46:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_report_bus_reset [2019-09-20 13:46:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_print_command [2019-09-20 13:46:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure shost_use_blk_mq [2019-09-20 13:46:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2019-09-20 13:46:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_alloc_37 [2019-09-20 13:46:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2019-09-20 13:46:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_add_host_with_dma_29 [2019-09-20 13:46:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_scan_host [2019-09-20 13:46:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2019-09-20 13:46:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_40 [2019-09-20 13:46:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2019-09-20 13:46:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_get_serial [2019-09-20 13:46:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host [2019-09-20 13:46:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2019-09-20 13:46:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2019-09-20 13:46:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_init_shared_tag_map [2019-09-20 13:46:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure usb_stor_adjust_quirks [2019-09-20 13:46:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure uas_is_interface [2019-09-20 13:46:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_uas_alt_setting [2019-09-20 13:46:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_endpoints [2019-09-20 13:46:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure uas_use_uas_driver [2019-09-20 13:46:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_urbs [2019-09-20 13:46:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure uas_do_work [2019-09-20 13:46:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure uas_try_complete [2019-09-20 13:46:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_streams [2019-09-20 13:46:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure uas_log_cmd_state [2019-09-20 13:46:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure uas_add_work [2019-09-20 13:46:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure uas_zap_pending [2019-09-20 13:46:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure uas_sense [2019-09-20 13:46:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:46:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_unsubmitted_urbs [2019-09-20 13:46:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:46:07,354 INFO L130 BoogieDeclarations]: Found specification of procedure uas_xfer_data [2019-09-20 13:46:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure uas_stat_cmplt [2019-09-20 13:46:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure uas_data_cmplt [2019-09-20 13:46:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmd_cmplt [2019-09-20 13:46:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_data_urb [2019-09-20 13:46:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_sense_urb [2019-09-20 13:46:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_cmd_urb [2019-09-20 13:46:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_sense_urb [2019-09-20 13:46:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand_lck [2019-09-20 13:46:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand [2019-09-20 13:46:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_abort_handler [2019-09-20 13:46:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_bus_reset_handler [2019-09-20 13:46:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_alloc [2019-09-20 13:46:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_configure [2019-09-20 13:46:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure uas_switch_interface [2019-09-20 13:46:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure uas_configure_endpoints [2019-09-20 13:46:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure uas_probe [2019-09-20 13:46:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmnd_list_empty [2019-09-20 13:46:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure uas_wait_for_pending_cmnds [2019-09-20 13:46:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure uas_pre_reset [2019-09-20 13:46:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure uas_post_reset [2019-09-20 13:46:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure uas_suspend [2019-09-20 13:46:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure uas_resume [2019-09-20 13:46:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure uas_reset_resume [2019-09-20 13:46:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure uas_disconnect [2019-09-20 13:46:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure uas_shutdown [2019-09-20 13:46:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_init [2019-09-20 13:46:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_exit [2019-09-20 13:46:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:46:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:46:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:46:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:46:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:46:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-20 13:46:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-20 13:46:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-20 13:46:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-09-20 13:46:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-20 13:46:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-09-20 13:46:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-09-20 13:46:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:46:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:46:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:46:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:46:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:46:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:46:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:46:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:46:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:46:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:46:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:46:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:46:08,914 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:46:15,717 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:46:15,717 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:46:15,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:46:15 BoogieIcfgContainer [2019-09-20 13:46:15,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:46:15,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:46:15,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:46:15,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:46:15,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:46:04" (1/3) ... [2019-09-20 13:46:15,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ccbd095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:46:15, skipping insertion in model container [2019-09-20 13:46:15,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:06" (2/3) ... [2019-09-20 13:46:15,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ccbd095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:46:15, skipping insertion in model container [2019-09-20 13:46:15,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:46:15" (3/3) ... [2019-09-20 13:46:15,727 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2019-09-20 13:46:15,738 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:46:15,747 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:46:15,764 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:46:15,791 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:46:15,792 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:46:15,792 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:46:15,792 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:46:15,792 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:46:15,792 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:46:15,792 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:46:15,792 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:46:15,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states. [2019-09-20 13:46:15,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-09-20 13:46:15,859 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:46:15,860 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-20 13:46:15,863 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:46:15,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:46:15,870 INFO L82 PathProgramCache]: Analyzing trace with hash 939117992, now seen corresponding path program 1 times [2019-09-20 13:46:15,872 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:46:15,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:46:15,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:46:15,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:46:15,969 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:46:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:46:16,949 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-20 13:46:16,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:46:16,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:46:16,952 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:46:16,959 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:46:16,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:46:16,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:46:16,980 INFO L87 Difference]: Start difference. First operand 1414 states. Second operand 3 states. [2019-09-20 13:46:17,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:46:17,400 INFO L93 Difference]: Finished difference Result 2643 states and 3513 transitions. [2019-09-20 13:46:17,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:46:17,402 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2019-09-20 13:46:17,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:46:17,438 INFO L225 Difference]: With dead ends: 2643 [2019-09-20 13:46:17,438 INFO L226 Difference]: Without dead ends: 2589 [2019-09-20 13:46:17,440 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 13:46:17,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2589 states. [2019-09-20 13:46:17,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2589 to 2586. [2019-09-20 13:46:17,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2586 states. [2019-09-20 13:46:17,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2586 states to 2586 states and 3445 transitions. [2019-09-20 13:46:17,693 INFO L78 Accepts]: Start accepts. Automaton has 2586 states and 3445 transitions. Word has length 106 [2019-09-20 13:46:17,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:46:17,694 INFO L475 AbstractCegarLoop]: Abstraction has 2586 states and 3445 transitions. [2019-09-20 13:46:17,694 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:46:17,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2586 states and 3445 transitions. [2019-09-20 13:46:17,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-09-20 13:46:17,709 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:46:17,710 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-20 13:46:17,711 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:46:17,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:46:17,711 INFO L82 PathProgramCache]: Analyzing trace with hash 52122863, now seen corresponding path program 1 times [2019-09-20 13:46:17,712 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:46:17,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:46:17,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:46:17,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:46:17,733 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:46:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:46:18,764 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-09-20 13:46:18,781 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-20 13:46:18,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:46:18,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:46:18,781 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:46:18,783 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:46:18,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:46:18,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:46:18,784 INFO L87 Difference]: Start difference. First operand 2586 states and 3445 transitions. Second operand 5 states. [2019-09-20 13:46:22,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:46:22,231 INFO L93 Difference]: Finished difference Result 3865 states and 5188 transitions. [2019-09-20 13:46:22,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:46:22,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2019-09-20 13:46:22,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:46:22,258 INFO L225 Difference]: With dead ends: 3865 [2019-09-20 13:46:22,258 INFO L226 Difference]: Without dead ends: 3865 [2019-09-20 13:46:22,259 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:46:22,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3865 states. [2019-09-20 13:46:22,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3865 to 3858. [2019-09-20 13:46:22,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3858 states. [2019-09-20 13:46:22,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 5181 transitions. [2019-09-20 13:46:22,408 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 5181 transitions. Word has length 107 [2019-09-20 13:46:22,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:46:22,409 INFO L475 AbstractCegarLoop]: Abstraction has 3858 states and 5181 transitions. [2019-09-20 13:46:22,409 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:46:22,409 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 5181 transitions. [2019-09-20 13:46:22,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-20 13:46:22,413 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:46:22,413 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-20 13:46:22,414 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:46:22,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:46:22,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1010294298, now seen corresponding path program 1 times [2019-09-20 13:46:22,415 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:46:22,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:46:22,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:46:22,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:46:22,428 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:46:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:46:22,775 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-20 13:46:22,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:46:22,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:46:22,776 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:46:22,777 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:46:22,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:46:22,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:46:22,777 INFO L87 Difference]: Start difference. First operand 3858 states and 5181 transitions. Second operand 3 states. [2019-09-20 13:46:23,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:46:23,089 INFO L93 Difference]: Finished difference Result 5112 states and 6910 transitions. [2019-09-20 13:46:23,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:46:23,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2019-09-20 13:46:23,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:46:23,123 INFO L225 Difference]: With dead ends: 5112 [2019-09-20 13:46:23,124 INFO L226 Difference]: Without dead ends: 5112 [2019-09-20 13:46:23,124 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 13:46:23,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5112 states. [2019-09-20 13:46:23,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5112 to 5109. [2019-09-20 13:46:23,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5109 states. [2019-09-20 13:46:23,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5109 states to 5109 states and 6908 transitions. [2019-09-20 13:46:23,331 INFO L78 Accepts]: Start accepts. Automaton has 5109 states and 6908 transitions. Word has length 105 [2019-09-20 13:46:23,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:46:23,332 INFO L475 AbstractCegarLoop]: Abstraction has 5109 states and 6908 transitions. [2019-09-20 13:46:23,332 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:46:23,332 INFO L276 IsEmpty]: Start isEmpty. Operand 5109 states and 6908 transitions. [2019-09-20 13:46:23,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-20 13:46:23,339 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:46:23,340 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-20 13:46:23,340 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:46:23,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:46:23,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1430810961, now seen corresponding path program 1 times [2019-09-20 13:46:23,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:46:23,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:46:23,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:46:23,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:46:23,357 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:46:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:46:23,784 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-20 13:46:23,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:46:23,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:46:23,785 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:46:23,786 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:46:23,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:46:23,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:46:23,787 INFO L87 Difference]: Start difference. First operand 5109 states and 6908 transitions. Second operand 5 states. [2019-09-20 13:46:27,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:46:27,589 INFO L93 Difference]: Finished difference Result 6385 states and 8657 transitions. [2019-09-20 13:46:27,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:46:27,589 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2019-09-20 13:46:27,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:46:27,632 INFO L225 Difference]: With dead ends: 6385 [2019-09-20 13:46:27,632 INFO L226 Difference]: Without dead ends: 6385 [2019-09-20 13:46:27,632 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:46:27,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6385 states. [2019-09-20 13:46:27,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6385 to 6378. [2019-09-20 13:46:27,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6378 states. [2019-09-20 13:46:27,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6378 states to 6378 states and 8651 transitions. [2019-09-20 13:46:27,906 INFO L78 Accepts]: Start accepts. Automaton has 6378 states and 8651 transitions. Word has length 108 [2019-09-20 13:46:27,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:46:27,908 INFO L475 AbstractCegarLoop]: Abstraction has 6378 states and 8651 transitions. [2019-09-20 13:46:27,908 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:46:27,909 INFO L276 IsEmpty]: Start isEmpty. Operand 6378 states and 8651 transitions. [2019-09-20 13:46:27,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-09-20 13:46:27,915 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:46:27,915 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:46:27,915 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:46:27,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:46:27,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1648067708, now seen corresponding path program 1 times [2019-09-20 13:46:27,917 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:46:27,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:46:27,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:46:27,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:46:27,936 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:46:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:46:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-09-20 13:46:28,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:46:28,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:46:28,305 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:46:28,305 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:46:28,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:46:28,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:46:28,306 INFO L87 Difference]: Start difference. First operand 6378 states and 8651 transitions. Second operand 3 states. [2019-09-20 13:46:28,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:46:28,581 INFO L93 Difference]: Finished difference Result 11979 states and 16363 transitions. [2019-09-20 13:46:28,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:46:28,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2019-09-20 13:46:28,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:46:28,673 INFO L225 Difference]: With dead ends: 11979 [2019-09-20 13:46:28,673 INFO L226 Difference]: Without dead ends: 11979 [2019-09-20 13:46:28,674 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 13:46:28,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11979 states. [2019-09-20 13:46:28,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11979 to 11861. [2019-09-20 13:46:28,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11861 states. [2019-09-20 13:46:29,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11861 states to 11861 states and 16216 transitions. [2019-09-20 13:46:29,038 INFO L78 Accepts]: Start accepts. Automaton has 11861 states and 16216 transitions. Word has length 130 [2019-09-20 13:46:29,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:46:29,042 INFO L475 AbstractCegarLoop]: Abstraction has 11861 states and 16216 transitions. [2019-09-20 13:46:29,042 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:46:29,042 INFO L276 IsEmpty]: Start isEmpty. Operand 11861 states and 16216 transitions. [2019-09-20 13:46:29,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-09-20 13:46:29,054 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:46:29,055 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:46:29,055 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:46:29,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:46:29,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1163545037, now seen corresponding path program 1 times [2019-09-20 13:46:29,056 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:46:29,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:46:29,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:46:29,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:46:29,072 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:46:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:46:29,409 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-09-20 13:46:29,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:46:29,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:46:29,410 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:46:29,410 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:46:29,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:46:29,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:46:29,411 INFO L87 Difference]: Start difference. First operand 11861 states and 16216 transitions. Second operand 3 states. [2019-09-20 13:46:29,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:46:29,729 INFO L93 Difference]: Finished difference Result 19748 states and 27226 transitions. [2019-09-20 13:46:29,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:46:29,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2019-09-20 13:46:29,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:46:29,853 INFO L225 Difference]: With dead ends: 19748 [2019-09-20 13:46:29,853 INFO L226 Difference]: Without dead ends: 19748 [2019-09-20 13:46:29,854 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 13:46:29,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19748 states. [2019-09-20 13:46:30,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19748 to 19655. [2019-09-20 13:46:30,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19655 states. [2019-09-20 13:46:30,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19655 states to 19655 states and 27114 transitions. [2019-09-20 13:46:30,633 INFO L78 Accepts]: Start accepts. Automaton has 19655 states and 27114 transitions. Word has length 222 [2019-09-20 13:46:30,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:46:30,633 INFO L475 AbstractCegarLoop]: Abstraction has 19655 states and 27114 transitions. [2019-09-20 13:46:30,633 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:46:30,633 INFO L276 IsEmpty]: Start isEmpty. Operand 19655 states and 27114 transitions. [2019-09-20 13:46:30,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-09-20 13:46:30,648 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:46:30,649 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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] [2019-09-20 13:46:30,649 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:46:30,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:46:30,650 INFO L82 PathProgramCache]: Analyzing trace with hash 367664715, now seen corresponding path program 1 times [2019-09-20 13:46:30,650 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:46:30,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:46:30,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:46:30,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:46:30,661 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:46:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:46:31,008 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2019-09-20 13:46:31,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:46:31,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:46:31,009 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:46:31,009 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:46:31,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:46:31,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:46:31,010 INFO L87 Difference]: Start difference. First operand 19655 states and 27114 transitions. Second operand 5 states. [2019-09-20 13:46:31,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:46:31,215 INFO L93 Difference]: Finished difference Result 19715 states and 27174 transitions. [2019-09-20 13:46:31,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:46:31,216 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 262 [2019-09-20 13:46:31,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:46:31,336 INFO L225 Difference]: With dead ends: 19715 [2019-09-20 13:46:31,337 INFO L226 Difference]: Without dead ends: 19715 [2019-09-20 13:46:31,337 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 13:46:31,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19715 states. [2019-09-20 13:46:31,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19715 to 19705. [2019-09-20 13:46:31,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19705 states. [2019-09-20 13:46:32,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19705 states to 19705 states and 27164 transitions. [2019-09-20 13:46:32,981 INFO L78 Accepts]: Start accepts. Automaton has 19705 states and 27164 transitions. Word has length 262 [2019-09-20 13:46:32,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:46:32,982 INFO L475 AbstractCegarLoop]: Abstraction has 19705 states and 27164 transitions. [2019-09-20 13:46:32,982 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:46:32,982 INFO L276 IsEmpty]: Start isEmpty. Operand 19705 states and 27164 transitions. [2019-09-20 13:46:32,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-09-20 13:46:32,993 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:46:32,993 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2019-09-20 13:46:32,994 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:46:32,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:46:32,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1477862368, now seen corresponding path program 1 times [2019-09-20 13:46:32,994 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:46:33,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:46:33,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:46:33,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:46:33,005 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:46:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:46:33,448 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-09-20 13:46:33,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:46:33,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:46:33,449 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:46:33,449 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:46:33,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:46:33,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:46:33,450 INFO L87 Difference]: Start difference. First operand 19705 states and 27164 transitions. Second operand 3 states.