java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:23:48,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:23:48,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:23:48,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:23:48,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:23:48,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:23:48,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:23:48,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:23:48,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:23:48,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:23:48,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:23:48,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:23:48,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:23:48,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:23:48,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:23:48,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:23:48,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:23:48,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:23:48,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:23:48,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:23:48,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:23:48,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:23:48,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:23:48,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:23:48,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:23:48,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:23:48,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:23:48,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:23:48,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:23:48,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:23:48,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:23:48,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:23:48,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:23:48,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:23:48,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:23:48,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:23:48,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:23:48,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:23:48,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:23:48,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:23:48,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:23:48,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:23:48,873 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:23:48,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:23:48,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:23:48,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:23:48,875 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:23:48,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:23:48,876 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:23:48,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:23:48,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:23:48,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:23:48,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:23:48,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:23:48,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:23:48,877 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:23:48,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:23:48,877 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:23:48,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:23:48,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:23:48,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:23:48,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:23:48,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:23:48,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:23:48,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:23:48,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:23:48,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:23:48,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:23:48,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:23:48,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:23:48,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:23:48,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:23:48,927 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:23:48,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:23:48,932 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:23:48,933 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:23:48,933 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2019-09-20 13:23:48,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae744012a/f1c4c50812e84ffe82d7f046a9577423/FLAG929a9116d [2019-09-20 13:23:49,748 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:23:49,748 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2019-09-20 13:23:49,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae744012a/f1c4c50812e84ffe82d7f046a9577423/FLAG929a9116d [2019-09-20 13:23:49,831 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae744012a/f1c4c50812e84ffe82d7f046a9577423 [2019-09-20 13:23:49,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:23:49,846 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:23:49,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:23:49,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:23:49,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:23:49,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:23:49" (1/1) ... [2019-09-20 13:23:49,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ffe3517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:49, skipping insertion in model container [2019-09-20 13:23:49,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:23:49" (1/1) ... [2019-09-20 13:23:49,865 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:23:50,008 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:23:51,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:23:52,002 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:23:52,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:23:52,721 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:23:52,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:52 WrapperNode [2019-09-20 13:23:52,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:23:52,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:23:52,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:23:52,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:23:52,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:52" (1/1) ... [2019-09-20 13:23:52,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:52" (1/1) ... [2019-09-20 13:23:52,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:52" (1/1) ... [2019-09-20 13:23:52,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:52" (1/1) ... [2019-09-20 13:23:52,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:52" (1/1) ... [2019-09-20 13:23:53,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:52" (1/1) ... [2019-09-20 13:23:53,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:52" (1/1) ... [2019-09-20 13:23:53,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:23:53,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:23:53,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:23:53,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:23:53,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:23:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:23:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:23:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:23:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-20 13:23:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-09-20 13:23:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-09-20 13:23:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:23:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 13:23:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-20 13:23:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-20 13:23:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 13:23:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 13:23:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 13:23:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:23:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:23:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-20 13:23:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:23:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-09-20 13:23:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-20 13:23:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-20 13:23:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-20 13:23:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 13:23:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2019-09-20 13:23:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2019-09-20 13:23:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ss_max_streams [2019-09-20 13:23:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-20 13:23:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-20 13:23:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-20 13:23:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-09-20 13:23:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-20 13:23:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 13:23:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2019-09-20 13:23:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_bus [2019-09-20 13:23:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2019-09-20 13:23:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bidi_cmnd [2019-09-20 13:23:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_in [2019-09-20 13:23:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_out [2019-09-20 13:23:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_use_blk_mq [2019-09-20 13:23:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host [2019-09-20 13:23:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_init_shared_tag_map [2019-09-20 13:23:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_is_interface [2019-09-20 13:23:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_uas_alt_setting [2019-09-20 13:23:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_endpoints [2019-09-20 13:23:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_use_uas_driver [2019-09-20 13:23:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_do_work [2019-09-20 13:23:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_add_work [2019-09-20 13:23:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_zap_pending [2019-09-20 13:23:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_sense [2019-09-20 13:23:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_log_cmd_state [2019-09-20 13:23:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_unsubmitted_urbs [2019-09-20 13:23:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_try_complete [2019-09-20 13:23:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_xfer_data [2019-09-20 13:23:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_stat_cmplt [2019-09-20 13:23:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_data_cmplt [2019-09-20 13:23:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmd_cmplt [2019-09-20 13:23:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_data_urb [2019-09-20 13:23:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_sense_urb [2019-09-20 13:23:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_cmd_urb [2019-09-20 13:23:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_sense_urb [2019-09-20 13:23:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_urbs [2019-09-20 13:23:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand_lck [2019-09-20 13:23:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand [2019-09-20 13:23:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_abort_handler [2019-09-20 13:23:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_bus_reset_handler [2019-09-20 13:23:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_alloc [2019-09-20 13:23:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_configure [2019-09-20 13:23:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_switch_interface [2019-09-20 13:23:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_configure_endpoints [2019-09-20 13:23:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_streams [2019-09-20 13:23:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_probe [2019-09-20 13:23:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmnd_list_empty [2019-09-20 13:23:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_wait_for_pending_cmnds [2019-09-20 13:23:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_pre_reset [2019-09-20 13:23:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_post_reset [2019-09-20 13:23:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_suspend [2019-09-20 13:23:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_resume [2019-09-20 13:23:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_reset_resume [2019-09-20 13:23:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_disconnect [2019-09-20 13:23:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_shutdown [2019-09-20 13:23:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_init [2019-09-20 13:23:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_exit [2019-09-20 13:23:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-09-20 13:23:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-09-20 13:23:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-09-20 13:23:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-09-20 13:23:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-09-20 13:23:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-09-20 13:23:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_3 [2019-09-20 13:23:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-09-20 13:23:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:23:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 13:23:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2019-09-20 13:23:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2019-09-20 13:23:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2019-09-20 13:23:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2019-09-20 13:23:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2019-09-20 13:23:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_25 [2019-09-20 13:23:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:23:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_add_host_with_dma_29 [2019-09-20 13:23:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_30 [2019-09-20 13:23:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_31 [2019-09-20 13:23:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_32 [2019-09-20 13:23:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2019-09-20 13:23:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_34 [2019-09-20 13:23:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_35 [2019-09-20 13:23:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_36 [2019-09-20 13:23:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_alloc_37 [2019-09-20 13:23:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_38 [2019-09-20 13:23:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_39 [2019-09-20 13:23:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_40 [2019-09-20 13:23:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_41 [2019-09-20 13:23:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_42 [2019-09-20 13:23:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:23:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:23:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-20 13:23:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-20 13:23:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-20 13:23:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-20 13:23:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-20 13:23:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-09-20 13:23:53,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-09-20 13:23:53,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-09-20 13:23:53,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-09-20 13:23:53,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-20 13:23:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-20 13:23:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:23:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:23:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_tags [2019-09-20 13:23:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2019-09-20 13:23:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_update_dma_alignment [2019-09-20 13:23:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-09-20 13:23:53,186 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 13:23:53,186 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-09-20 13:23:53,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-20 13:23:53,187 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2019-09-20 13:23:53,187 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-09-20 13:23:53,187 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2019-09-20 13:23:53,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:23:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:23:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-09-20 13:23:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2019-09-20 13:23:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-20 13:23:53,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:23:53,193 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-09-20 13:23:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-20 13:23:53,200 INFO L138 BoogieDeclarations]: Found implementation of procedure scmd_printk [2019-09-20 13:23:53,200 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2019-09-20 13:23:53,200 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2019-09-20 13:23:53,200 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2019-09-20 13:23:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_get_serial [2019-09-20 13:23:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_alloc [2019-09-20 13:23:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2019-09-20 13:23:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_print_command [2019-09-20 13:23:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2019-09-20 13:23:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_report_bus_reset [2019-09-20 13:23:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_scan_host [2019-09-20 13:23:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2019-09-20 13:23:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2019-09-20 13:23:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_streams [2019-09-20 13:23:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-09-20 13:23:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 13:23:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_streams [2019-09-20 13:23:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-20 13:23:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2019-09-20 13:23:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2019-09-20 13:23:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-20 13:23:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_lock_device_for_reset [2019-09-20 13:23:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 13:23:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-09-20 13:23:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-09-20 13:23:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_stor_adjust_quirks [2019-09-20 13:23:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2019-09-20 13:23:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-09-20 13:23:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wait_anchor_empty_timeout [2019-09-20 13:23:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-20 13:23:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:23:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:23:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:23:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 13:23:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:23:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:23:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:23:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-20 13:23:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-09-20 13:23:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:23:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-09-20 13:23:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-09-20 13:23:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-09-20 13:23:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:23:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:23:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:23:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:23:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:23:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:23:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:23:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:23:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:23:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 13:23:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 13:23:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-20 13:23:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-20 13:23:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:23:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 13:23:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 13:23:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 13:23:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:23:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-20 13:23:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:23:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-20 13:23:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:23:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-20 13:23:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2019-09-20 13:23:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:23:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:23:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:23:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-09-20 13:23:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 13:23:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-20 13:23:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:23:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-20 13:23:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-20 13:23:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2019-09-20 13:23:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2019-09-20 13:23:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-09-20 13:23:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2019-09-20 13:23:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2019-09-20 13:23:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-09-20 13:23:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2019-09-20 13:23:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2019-09-20 13:23:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_38 [2019-09-20 13:23:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-09-20 13:23:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_39 [2019-09-20 13:23:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-20 13:23:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-20 13:23:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_25 [2019-09-20 13:23:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:23:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-20 13:23:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-09-20 13:23:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-09-20 13:23:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-09-20 13:23:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-09-20 13:23:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-09-20 13:23:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-09-20 13:23:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_3 [2019-09-20 13:23:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-09-20 13:23:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-20 13:23:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:23:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 13:23:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2019-09-20 13:23:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-09-20 13:23:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 13:23:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-20 13:23:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2019-09-20 13:23:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_update_dma_alignment [2019-09-20 13:23:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_tags [2019-09-20 13:23:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2019-09-20 13:23:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ss_max_streams [2019-09-20 13:23:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-20 13:23:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-20 13:23:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-20 13:23:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_lock_device_for_reset [2019-09-20 13:23:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-09-20 13:23:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_streams [2019-09-20 13:23:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_streams [2019-09-20 13:23:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 13:23:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_41 [2019-09-20 13:23:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 13:23:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_42 [2019-09-20 13:23:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-09-20 13:23:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:23:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:23:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-20 13:23:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:23:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_30 [2019-09-20 13:23:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_31 [2019-09-20 13:23:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_32 [2019-09-20 13:23:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-20 13:23:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2019-09-20 13:23:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2019-09-20 13:23:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_34 [2019-09-20 13:23:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_35 [2019-09-20 13:23:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_36 [2019-09-20 13:23:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-09-20 13:23:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-20 13:23:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2019-09-20 13:23:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-09-20 13:23:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2019-09-20 13:23:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wait_anchor_empty_timeout [2019-09-20 13:23:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-09-20 13:23:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 13:23:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2019-09-20 13:23:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_bus [2019-09-20 13:23:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2019-09-20 13:23:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2019-09-20 13:23:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2019-09-20 13:23:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure scmd_printk [2019-09-20 13:23:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2019-09-20 13:23:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bidi_cmnd [2019-09-20 13:23:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_in [2019-09-20 13:23:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_out [2019-09-20 13:23:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_report_bus_reset [2019-09-20 13:23:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_print_command [2019-09-20 13:23:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure shost_use_blk_mq [2019-09-20 13:23:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2019-09-20 13:23:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_alloc_37 [2019-09-20 13:23:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2019-09-20 13:23:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_add_host_with_dma_29 [2019-09-20 13:23:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_scan_host [2019-09-20 13:23:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2019-09-20 13:23:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_40 [2019-09-20 13:23:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2019-09-20 13:23:53,234 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_get_serial [2019-09-20 13:23:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host [2019-09-20 13:23:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2019-09-20 13:23:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2019-09-20 13:23:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_init_shared_tag_map [2019-09-20 13:23:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure usb_stor_adjust_quirks [2019-09-20 13:23:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure uas_is_interface [2019-09-20 13:23:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_uas_alt_setting [2019-09-20 13:23:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_endpoints [2019-09-20 13:23:53,235 INFO L130 BoogieDeclarations]: Found specification of procedure uas_use_uas_driver [2019-09-20 13:23:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_urbs [2019-09-20 13:23:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure uas_do_work [2019-09-20 13:23:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure uas_try_complete [2019-09-20 13:23:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_streams [2019-09-20 13:23:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure uas_log_cmd_state [2019-09-20 13:23:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure uas_add_work [2019-09-20 13:23:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure uas_zap_pending [2019-09-20 13:23:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure uas_sense [2019-09-20 13:23:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:23:53,236 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_unsubmitted_urbs [2019-09-20 13:23:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:23:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure uas_xfer_data [2019-09-20 13:23:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure uas_stat_cmplt [2019-09-20 13:23:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure uas_data_cmplt [2019-09-20 13:23:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmd_cmplt [2019-09-20 13:23:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_data_urb [2019-09-20 13:23:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_sense_urb [2019-09-20 13:23:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_cmd_urb [2019-09-20 13:23:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_sense_urb [2019-09-20 13:23:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand_lck [2019-09-20 13:23:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand [2019-09-20 13:23:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_abort_handler [2019-09-20 13:23:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_bus_reset_handler [2019-09-20 13:23:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_alloc [2019-09-20 13:23:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_configure [2019-09-20 13:23:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure uas_switch_interface [2019-09-20 13:23:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure uas_configure_endpoints [2019-09-20 13:23:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure uas_probe [2019-09-20 13:23:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmnd_list_empty [2019-09-20 13:23:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure uas_wait_for_pending_cmnds [2019-09-20 13:23:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure uas_pre_reset [2019-09-20 13:23:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure uas_post_reset [2019-09-20 13:23:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure uas_suspend [2019-09-20 13:23:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure uas_resume [2019-09-20 13:23:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure uas_reset_resume [2019-09-20 13:23:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure uas_disconnect [2019-09-20 13:23:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure uas_shutdown [2019-09-20 13:23:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_init [2019-09-20 13:23:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_exit [2019-09-20 13:23:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:23:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:23:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:23:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:23:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:23:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-20 13:23:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-20 13:23:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-20 13:23:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-09-20 13:23:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-20 13:23:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-09-20 13:23:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-09-20 13:23:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:23:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:23:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:23:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:23:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:23:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:23:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:23:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:23:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:23:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:23:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:23:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:23:54,577 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:24:01,341 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:24:01,342 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:24:01,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:24:01 BoogieIcfgContainer [2019-09-20 13:24:01,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:24:01,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:24:01,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:24:01,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:24:01,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:23:49" (1/3) ... [2019-09-20 13:24:01,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ba28cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:24:01, skipping insertion in model container [2019-09-20 13:24:01,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:23:52" (2/3) ... [2019-09-20 13:24:01,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ba28cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:24:01, skipping insertion in model container [2019-09-20 13:24:01,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:24:01" (3/3) ... [2019-09-20 13:24:01,356 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 13:24:01,369 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:24:01,380 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:24:01,404 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:24:01,456 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:24:01,457 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:24:01,457 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:24:01,458 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:24:01,458 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:24:01,458 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:24:01,458 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:24:01,458 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:24:01,458 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:24:01,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states. [2019-09-20 13:24:01,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-20 13:24:01,557 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:24:01,558 INFO L407 BasicCegarLoop]: trace histogram [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 13:24:01,560 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:24:01,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:24:01,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1591803613, now seen corresponding path program 1 times [2019-09-20 13:24:01,568 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:24:01,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:24:01,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:24:01,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:24:01,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:24:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:24:02,645 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-20 13:24:02,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:24:02,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:24:02,652 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:24:02,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:24:02,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:24:02,669 INFO L87 Difference]: Start difference. First operand 1413 states. Second operand 5 states. [2019-09-20 13:24:06,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:24:06,318 INFO L93 Difference]: Finished difference Result 3957 states and 5376 transitions. [2019-09-20 13:24:06,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:24:06,320 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2019-09-20 13:24:06,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:24:06,363 INFO L225 Difference]: With dead ends: 3957 [2019-09-20 13:24:06,363 INFO L226 Difference]: Without dead ends: 2591 [2019-09-20 13:24:06,378 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 13:24:06,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2591 states. [2019-09-20 13:24:06,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2591 to 2586. [2019-09-20 13:24:06,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2586 states. [2019-09-20 13:24:06,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2586 states to 2586 states and 3445 transitions. [2019-09-20 13:24:06,685 INFO L78 Accepts]: Start accepts. Automaton has 2586 states and 3445 transitions. Word has length 105 [2019-09-20 13:24:06,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:24:06,686 INFO L475 AbstractCegarLoop]: Abstraction has 2586 states and 3445 transitions. [2019-09-20 13:24:06,686 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:24:06,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2586 states and 3445 transitions. [2019-09-20 13:24:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-20 13:24:07,299 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:24:07,299 INFO L407 BasicCegarLoop]: trace histogram [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 13:24:07,300 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:24:07,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:24:07,303 INFO L82 PathProgramCache]: Analyzing trace with hash 483869064, now seen corresponding path program 1 times [2019-09-20 13:24:07,304 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:24:07,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:24:07,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:24:07,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:24:07,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:24:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:24:07,842 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-20 13:24:07,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:24:07,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:24:07,845 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:24:07,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:24:07,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:24:07,846 INFO L87 Difference]: Start difference. First operand 2586 states and 3445 transitions. Second operand 3 states. [2019-09-20 13:24:08,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:24:08,193 INFO L93 Difference]: Finished difference Result 6402 states and 8652 transitions. [2019-09-20 13:24:08,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:24:08,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2019-09-20 13:24:08,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:24:08,224 INFO L225 Difference]: With dead ends: 6402 [2019-09-20 13:24:08,224 INFO L226 Difference]: Without dead ends: 3843 [2019-09-20 13:24:08,239 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 13:24:08,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3843 states. [2019-09-20 13:24:08,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3843 to 3840. [2019-09-20 13:24:08,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3840 states. [2019-09-20 13:24:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 3840 states and 5158 transitions. [2019-09-20 13:24:08,419 INFO L78 Accepts]: Start accepts. Automaton has 3840 states and 5158 transitions. Word has length 102 [2019-09-20 13:24:08,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:24:08,419 INFO L475 AbstractCegarLoop]: Abstraction has 3840 states and 5158 transitions. [2019-09-20 13:24:08,419 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:24:08,420 INFO L276 IsEmpty]: Start isEmpty. Operand 3840 states and 5158 transitions. [2019-09-20 13:24:08,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-20 13:24:08,423 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:24:08,424 INFO L407 BasicCegarLoop]: trace histogram [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 13:24:08,424 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:24:08,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:24:08,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1026234484, now seen corresponding path program 1 times [2019-09-20 13:24:08,425 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:24:08,425 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:24:08,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:24:08,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:24:08,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:24:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:24:08,862 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-20 13:24:08,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:24:08,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:24:08,863 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:24:08,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:24:08,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:24:08,864 INFO L87 Difference]: Start difference. First operand 3840 states and 5158 transitions. Second operand 3 states. [2019-09-20 13:24:09,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:24:09,350 INFO L93 Difference]: Finished difference Result 8922 states and 12186 transitions. [2019-09-20 13:24:09,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:24:09,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-09-20 13:24:09,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:24:09,396 INFO L225 Difference]: With dead ends: 8922 [2019-09-20 13:24:09,396 INFO L226 Difference]: Without dead ends: 5109 [2019-09-20 13:24:09,421 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 13:24:09,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5109 states. [2019-09-20 13:24:09,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5109 to 5106. [2019-09-20 13:24:09,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5106 states. [2019-09-20 13:24:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5106 states to 5106 states and 6902 transitions. [2019-09-20 13:24:09,708 INFO L78 Accepts]: Start accepts. Automaton has 5106 states and 6902 transitions. Word has length 103 [2019-09-20 13:24:09,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:24:09,709 INFO L475 AbstractCegarLoop]: Abstraction has 5106 states and 6902 transitions. [2019-09-20 13:24:09,709 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:24:09,710 INFO L276 IsEmpty]: Start isEmpty. Operand 5106 states and 6902 transitions. [2019-09-20 13:24:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-09-20 13:24:09,713 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:24:09,713 INFO L407 BasicCegarLoop]: trace histogram [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 13:24:09,714 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:24:09,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:24:09,715 INFO L82 PathProgramCache]: Analyzing trace with hash -529540655, now seen corresponding path program 1 times [2019-09-20 13:24:09,719 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:24:09,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:24:09,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:24:09,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:24:09,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:24:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:24:10,165 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-20 13:24:10,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:24:10,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:24:10,166 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:24:10,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:24:10,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:24:10,167 INFO L87 Difference]: Start difference. First operand 5106 states and 6902 transitions. Second operand 5 states. [2019-09-20 13:24:16,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:24:16,330 INFO L93 Difference]: Finished difference Result 11457 states and 15747 transitions. [2019-09-20 13:24:16,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:24:16,331 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2019-09-20 13:24:16,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:24:16,392 INFO L225 Difference]: With dead ends: 11457 [2019-09-20 13:24:16,393 INFO L226 Difference]: Without dead ends: 6378 [2019-09-20 13:24:16,429 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 13:24:16,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6378 states. [2019-09-20 13:24:16,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6378 to 6371. [2019-09-20 13:24:16,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6371 states. [2019-09-20 13:24:16,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6371 states to 6371 states and 8638 transitions. [2019-09-20 13:24:16,905 INFO L78 Accepts]: Start accepts. Automaton has 6371 states and 8638 transitions. Word has length 104 [2019-09-20 13:24:16,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:24:16,908 INFO L475 AbstractCegarLoop]: Abstraction has 6371 states and 8638 transitions. [2019-09-20 13:24:16,908 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:24:16,908 INFO L276 IsEmpty]: Start isEmpty. Operand 6371 states and 8638 transitions. [2019-09-20 13:24:16,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-09-20 13:24:16,913 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:24:16,914 INFO L407 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:24:16,914 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:24:16,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:24:16,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1682943714, now seen corresponding path program 1 times [2019-09-20 13:24:16,915 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:24:16,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:24:16,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:24:16,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:24:16,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:24:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:24:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-20 13:24:17,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:24:17,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:24:17,205 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:24:17,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:24:17,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:24:17,206 INFO L87 Difference]: Start difference. First operand 6371 states and 8638 transitions. Second operand 3 states. [2019-09-20 13:24:17,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:24:17,746 INFO L93 Difference]: Finished difference Result 18309 states and 24949 transitions. [2019-09-20 13:24:17,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:24:17,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-09-20 13:24:17,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:24:17,844 INFO L225 Difference]: With dead ends: 18309 [2019-09-20 13:24:17,844 INFO L226 Difference]: Without dead ends: 11965 [2019-09-20 13:24:17,879 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 13:24:17,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11965 states. [2019-09-20 13:24:18,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11965 to 11847. [2019-09-20 13:24:18,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11847 states. [2019-09-20 13:24:18,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11847 states to 11847 states and 16190 transitions. [2019-09-20 13:24:18,480 INFO L78 Accepts]: Start accepts. Automaton has 11847 states and 16190 transitions. Word has length 132 [2019-09-20 13:24:18,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:24:18,481 INFO L475 AbstractCegarLoop]: Abstraction has 11847 states and 16190 transitions. [2019-09-20 13:24:18,481 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:24:18,481 INFO L276 IsEmpty]: Start isEmpty. Operand 11847 states and 16190 transitions. [2019-09-20 13:24:18,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-09-20 13:24:18,490 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:24:18,490 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:24:18,491 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:24:18,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:24:18,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1077953163, now seen corresponding path program 1 times [2019-09-20 13:24:18,491 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:24:18,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:24:18,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:24:18,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:24:18,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:24:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:24:18,975 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-09-20 13:24:18,976 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:24:18,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:24:18,979 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:24:18,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:24:18,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:24:18,980 INFO L87 Difference]: Start difference. First operand 11847 states and 16190 transitions. Second operand 3 states. [2019-09-20 13:24:19,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:24:19,849 INFO L93 Difference]: Finished difference Result 31549 states and 43361 transitions. [2019-09-20 13:24:19,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:24:19,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2019-09-20 13:24:19,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:24:20,014 INFO L225 Difference]: With dead ends: 31549 [2019-09-20 13:24:20,015 INFO L226 Difference]: Without dead ends: 19729 [2019-09-20 13:24:20,072 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 13:24:20,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19729 states. [2019-09-20 13:24:20,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19729 to 19636. [2019-09-20 13:24:20,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19636 states.