java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:24:49,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:24:49,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:24:49,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:24:49,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:24:49,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:24:49,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:24:49,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:24:49,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:24:49,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:24:49,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:24:49,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:24:49,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:24:49,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:24:49,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:24:49,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:24:49,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:24:49,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:24:49,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:24:49,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:24:49,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:24:49,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:24:49,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:24:49,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:24:49,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:24:49,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:24:49,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:24:49,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:24:49,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:24:49,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:24:49,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:24:49,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:24:49,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:24:49,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:24:49,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:24:49,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:24:49,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:24:49,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:24:49,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:24:49,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:24:49,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:24:49,699 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 [2019-09-16 17:24:49,714 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:24:49,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:24:49,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:24:49,714 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:24:49,715 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:24:49,715 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:24:49,715 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:24:49,716 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:24:49,716 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:24:49,716 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:24:49,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:24:49,717 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:24:49,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:24:49,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:24:49,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:24:49,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:24:49,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:24:49,718 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:24:49,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:24:49,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:24:49,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:24:49,719 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:24:49,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:24:49,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:24:49,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:24:49,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:24:49,720 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:24:49,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:24:49,721 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:24:49,721 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:24:49,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:24:49,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:24:49,765 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:24:49,766 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:24:49,767 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:24:49,767 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2019-09-16 17:24:49,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65b67e860/6e779a99d8334243bacb1229a48fe32e/FLAG43b67a530 [2019-09-16 17:24:50,654 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:24:50,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2019-09-16 17:24:50,719 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65b67e860/6e779a99d8334243bacb1229a48fe32e/FLAG43b67a530 [2019-09-16 17:24:51,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65b67e860/6e779a99d8334243bacb1229a48fe32e [2019-09-16 17:24:51,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:24:51,157 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:24:51,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:24:51,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:24:51,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:24:51,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:24:51" (1/1) ... [2019-09-16 17:24:51,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe9af6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:51, skipping insertion in model container [2019-09-16 17:24:51,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:24:51" (1/1) ... [2019-09-16 17:24:51,174 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:24:51,318 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:24:53,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:24:53,602 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:24:54,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:24:54,449 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:24:54,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:54 WrapperNode [2019-09-16 17:24:54,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:24:54,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:24:54,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:24:54,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:24:54,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:54" (1/1) ... [2019-09-16 17:24:54,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:54" (1/1) ... [2019-09-16 17:24:54,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:54" (1/1) ... [2019-09-16 17:24:54,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:54" (1/1) ... [2019-09-16 17:24:54,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:54" (1/1) ... [2019-09-16 17:24:54,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:54" (1/1) ... [2019-09-16 17:24:54,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:54" (1/1) ... [2019-09-16 17:24:54,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:24:54,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:24:54,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:24:54,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:24:54,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:54" (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 [2019-09-16 17:24:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:24:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:24:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-16 17:24:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-16 17:24:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-09-16 17:24:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-09-16 17:24:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-16 17:24:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-16 17:24:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-16 17:24:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-16 17:24:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-16 17:24:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-16 17:24:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-16 17:24:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-16 17:24:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-16 17:24:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-16 17:24:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-16 17:24:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-16 17:24:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-16 17:24:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-16 17:24:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-16 17:24:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-16 17:24:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-16 17:24:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-16 17:24:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-16 17:24:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2019-09-16 17:24:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ss_max_streams [2019-09-16 17:24:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-16 17:24:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-16 17:24:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-16 17:24:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-09-16 17:24:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-16 17:24:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-16 17:24:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2019-09-16 17:24:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_bus [2019-09-16 17:24:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2019-09-16 17:24:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bidi_cmnd [2019-09-16 17:24:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_in [2019-09-16 17:24:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_out [2019-09-16 17:24:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_use_blk_mq [2019-09-16 17:24:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host [2019-09-16 17:24:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_init_shared_tag_map [2019-09-16 17:24:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_is_interface [2019-09-16 17:24:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_uas_alt_setting [2019-09-16 17:24:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_find_endpoints [2019-09-16 17:24:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_use_uas_driver [2019-09-16 17:24:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_do_work [2019-09-16 17:24:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_add_work [2019-09-16 17:24:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_zap_pending [2019-09-16 17:24:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_sense [2019-09-16 17:24:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_log_cmd_state [2019-09-16 17:24:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_unsubmitted_urbs [2019-09-16 17:24:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_try_complete [2019-09-16 17:24:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_xfer_data [2019-09-16 17:24:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_stat_cmplt [2019-09-16 17:24:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_data_cmplt [2019-09-16 17:24:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmd_cmplt [2019-09-16 17:24:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_data_urb [2019-09-16 17:24:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_sense_urb [2019-09-16 17:24:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_alloc_cmd_urb [2019-09-16 17:24:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_sense_urb [2019-09-16 17:24:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_submit_urbs [2019-09-16 17:24:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand_lck [2019-09-16 17:24:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_queuecommand [2019-09-16 17:24:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_abort_handler [2019-09-16 17:24:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_eh_bus_reset_handler [2019-09-16 17:24:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_alloc [2019-09-16 17:24:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_slave_configure [2019-09-16 17:24:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_switch_interface [2019-09-16 17:24:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_configure_endpoints [2019-09-16 17:24:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_free_streams [2019-09-16 17:24:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_probe [2019-09-16 17:24:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_cmnd_list_empty [2019-09-16 17:24:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_wait_for_pending_cmnds [2019-09-16 17:24:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_pre_reset [2019-09-16 17:24:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_post_reset [2019-09-16 17:24:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_suspend [2019-09-16 17:24:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_resume [2019-09-16 17:24:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_reset_resume [2019-09-16 17:24:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_disconnect [2019-09-16 17:24:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_shutdown [2019-09-16 17:24:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_init [2019-09-16 17:24:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure uas_driver_exit [2019-09-16 17:24:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-09-16 17:24:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-09-16 17:24:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-09-16 17:24:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-09-16 17:24:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-09-16 17:24:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-09-16 17:24:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_3 [2019-09-16 17:24:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-09-16 17:24:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:24:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-09-16 17:24:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-09-16 17:24:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-09-16 17:24:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-09-16 17:24:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-09-16 17:24:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-09-16 17:24:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-09-16 17:24:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-09-16 17:24:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_13 [2019-09-16 17:24:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-09-16 17:24:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-09-16 17:24:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2019-09-16 17:24:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_add_host_with_dma_17 [2019-09-16 17:24:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_18 [2019-09-16 17:24:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_19 [2019-09-16 17:24:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_alloc_20 [2019-09-16 17:24:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_21 [2019-09-16 17:24:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_22 [2019-09-16 17:24:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host_23 [2019-09-16 17:24:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_24 [2019-09-16 17:24:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_25 [2019-09-16 17:24:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-16 17:24:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-16 17:24:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-16 17:24:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-16 17:24:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-16 17:24:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-16 17:24:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-09-16 17:24:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-09-16 17:24:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-09-16 17:24:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-09-16 17:24:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-09-16 17:24:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-09-16 17:24:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-09-16 17:24:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-09-16 17:24:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-09-16 17:24:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-09-16 17:24:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-09-16 17:24:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-16 17:24:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-16 17:24:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-16 17:24:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-16 17:24:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-16 17:24:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-16 17:24:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-16 17:24:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-09-16 17:24:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-09-16 17:24:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-09-16 17:24:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-09-16 17:24:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-16 17:24:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-16 17:24:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-16 17:24:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-16 17:24:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-16 17:24:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-16 17:24:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-16 17:24:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-09-16 17:24:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-16 17:24:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-16 17:24:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-16 17:24:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev [2019-09-16 17:24:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev [2019-09-16 17:24:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2019-09-16 17:24:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev [2019-09-16 17:24:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev [2019-09-16 17:24:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev [2019-09-16 17:24:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2019-09-16 17:24:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev [2019-09-16 17:24:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev [2019-09-16 17:24:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2019-09-16 17:24:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2019-09-16 17:24:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-16 17:24:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-16 17:24:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-16 17:24:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2019-09-16 17:24:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-16 17:24:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-16 17:24:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-16 17:24:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_tags [2019-09-16 17:24:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2019-09-16 17:24:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_update_dma_alignment [2019-09-16 17:24:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-09-16 17:24:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-16 17:24:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-09-16 17:24:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-16 17:24:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2019-09-16 17:24:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-09-16 17:24:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2019-09-16 17:24:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-16 17:24:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2019-09-16 17:24:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-16 17:24:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-16 17:24:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-16 17:24:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-16 17:24:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-09-16 17:24:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-16 17:24:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure scmd_printk [2019-09-16 17:24:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2019-09-16 17:24:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2019-09-16 17:24:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2019-09-16 17:24:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_get_serial [2019-09-16 17:24:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_alloc [2019-09-16 17:24:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2019-09-16 17:24:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_print_command [2019-09-16 17:24:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2019-09-16 17:24:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_report_bus_reset [2019-09-16 17:24:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_scan_host [2019-09-16 17:24:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2019-09-16 17:24:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2019-09-16 17:24:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_streams [2019-09-16 17:24:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-16 17:24:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-09-16 17:24:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-16 17:24:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_streams [2019-09-16 17:24:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-16 17:24:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_urb [2019-09-16 17:24:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2019-09-16 17:24:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-16 17:24:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-16 17:24:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-09-16 17:24:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-09-16 17:24:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_stor_adjust_quirks [2019-09-16 17:24:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-16 17:24:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2019-09-16 17:24:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-09-16 17:24:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wait_anchor_empty_timeout [2019-09-16 17:24:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-16 17:24:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-16 17:24:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-16 17:24:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-16 17:24:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-16 17:24:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-16 17:24:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:24:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-16 17:24:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-16 17:24:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-09-16 17:24:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:24:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-09-16 17:24:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-16 17:24:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:24:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-16 17:24:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-16 17:24:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-16 17:24:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-16 17:24:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2019-09-16 17:24:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-16 17:24:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_13 [2019-09-16 17:24:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-16 17:24:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-09-16 17:24:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-09-16 17:24:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-09-16 17:24:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:24:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-16 17:24:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:24:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-16 17:24:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-16 17:24:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:24:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-16 17:24:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:24:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-16 17:24:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-16 17:24:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-16 17:24:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-16 17:24:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-16 17:24:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-16 17:24:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-16 17:24:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-16 17:24:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-16 17:24:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2019-09-16 17:24:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_19 [2019-09-16 17:24:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-16 17:24:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-09-16 17:24:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-09-16 17:24:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2019-09-16 17:24:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-09-16 17:24:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-09-16 17:24:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-16 17:24:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-16 17:24:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-16 17:24:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-16 17:24:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-16 17:24:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2019-09-16 17:24:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2019-09-16 17:24:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-16 17:24:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-16 17:24:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-16 17:24:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-16 17:24:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-16 17:24:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-16 17:24:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-16 17:24:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-16 17:24:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-09-16 17:24:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-09-16 17:24:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-09-16 17:24:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-09-16 17:24:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-09-16 17:24:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-09-16 17:24:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-09-16 17:24:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2019-09-16 17:24:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_21 [2019-09-16 17:24:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-09-16 17:24:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_22 [2019-09-16 17:24:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-16 17:24:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-16 17:24:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-16 17:24:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-16 17:24:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-16 17:24:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-09-16 17:24:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-09-16 17:24:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-09-16 17:24:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-09-16 17:24:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-09-16 17:24:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-09-16 17:24:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_3 [2019-09-16 17:24:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-09-16 17:24:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-16 17:24:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:24:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-16 17:24:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-09-16 17:24:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-16 17:24:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-16 17:24:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2019-09-16 17:24:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_update_dma_alignment [2019-09-16 17:24:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_tags [2019-09-16 17:24:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2019-09-16 17:24:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ss_max_streams [2019-09-16 17:24:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-16 17:24:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-16 17:24:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-16 17:24:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_18 [2019-09-16 17:24:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-09-16 17:24:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_streams [2019-09-16 17:24:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_streams [2019-09-16 17:24:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-16 17:24:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_24 [2019-09-16 17:24:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-16 17:24:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_25 [2019-09-16 17:24:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-09-16 17:24:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:24:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:24:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-16 17:24:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:24:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-16 17:24:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-16 17:24:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_urb [2019-09-16 17:24:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-16 17:24:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-09-16 17:24:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-16 17:24:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2019-09-16 17:24:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-09-16 17:24:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2019-09-16 17:24:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wait_anchor_empty_timeout [2019-09-16 17:24:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-09-16 17:24:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-16 17:24:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2019-09-16 17:24:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_bus [2019-09-16 17:24:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2019-09-16 17:24:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2019-09-16 17:24:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2019-09-16 17:24:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure scmd_printk [2019-09-16 17:24:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2019-09-16 17:24:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bidi_cmnd [2019-09-16 17:24:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_in [2019-09-16 17:24:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_out [2019-09-16 17:24:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_report_bus_reset [2019-09-16 17:24:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_print_command [2019-09-16 17:24:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure shost_use_blk_mq [2019-09-16 17:24:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2019-09-16 17:24:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_alloc_20 [2019-09-16 17:24:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2019-09-16 17:24:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_add_host_with_dma_17 [2019-09-16 17:24:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_scan_host [2019-09-16 17:24:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2019-09-16 17:24:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host_23 [2019-09-16 17:24:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2019-09-16 17:24:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_get_serial [2019-09-16 17:24:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host [2019-09-16 17:24:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2019-09-16 17:24:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2019-09-16 17:24:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_init_shared_tag_map [2019-09-16 17:24:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure usb_stor_adjust_quirks [2019-09-16 17:24:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure uas_is_interface [2019-09-16 17:24:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_uas_alt_setting [2019-09-16 17:24:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure uas_find_endpoints [2019-09-16 17:24:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure uas_use_uas_driver [2019-09-16 17:24:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_urbs [2019-09-16 17:24:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure uas_do_work [2019-09-16 17:24:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure uas_try_complete [2019-09-16 17:24:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_streams [2019-09-16 17:24:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure uas_log_cmd_state [2019-09-16 17:24:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure uas_add_work [2019-09-16 17:24:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure uas_zap_pending [2019-09-16 17:24:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure uas_sense [2019-09-16 17:24:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-16 17:24:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure uas_free_unsubmitted_urbs [2019-09-16 17:24:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-16 17:24:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure uas_xfer_data [2019-09-16 17:24:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure uas_stat_cmplt [2019-09-16 17:24:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure uas_data_cmplt [2019-09-16 17:24:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmd_cmplt [2019-09-16 17:24:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_data_urb [2019-09-16 17:24:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_sense_urb [2019-09-16 17:24:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure uas_alloc_cmd_urb [2019-09-16 17:24:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure uas_submit_sense_urb [2019-09-16 17:24:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand_lck [2019-09-16 17:24:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure uas_queuecommand [2019-09-16 17:24:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_abort_handler [2019-09-16 17:24:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure uas_eh_bus_reset_handler [2019-09-16 17:24:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_alloc [2019-09-16 17:24:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure uas_slave_configure [2019-09-16 17:24:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure uas_switch_interface [2019-09-16 17:24:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure uas_configure_endpoints [2019-09-16 17:24:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure uas_probe [2019-09-16 17:24:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure uas_cmnd_list_empty [2019-09-16 17:24:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure uas_wait_for_pending_cmnds [2019-09-16 17:24:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure uas_pre_reset [2019-09-16 17:24:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure uas_post_reset [2019-09-16 17:24:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure uas_suspend [2019-09-16 17:24:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure uas_resume [2019-09-16 17:24:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure uas_reset_resume [2019-09-16 17:24:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure uas_disconnect [2019-09-16 17:24:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure uas_shutdown [2019-09-16 17:24:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_init [2019-09-16 17:24:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure uas_driver_exit [2019-09-16 17:24:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-16 17:24:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-16 17:24:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:24:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-16 17:24:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-16 17:24:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-16 17:24:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-16 17:24:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-16 17:24:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-16 17:24:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-09-16 17:24:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-09-16 17:24:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-09-16 17:24:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-09-16 17:24:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-09-16 17:24:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-09-16 17:24:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-09-16 17:24:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-09-16 17:24:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-09-16 17:24:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-16 17:24:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-16 17:24:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-16 17:24:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-16 17:24:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-16 17:24:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-09-16 17:24:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-09-16 17:24:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-09-16 17:24:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-09-16 17:24:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-16 17:24:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-16 17:24:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-16 17:24:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-16 17:24:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-09-16 17:24:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-16 17:24:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-16 17:24:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-16 17:24:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev [2019-09-16 17:24:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev [2019-09-16 17:24:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2019-09-16 17:24:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev [2019-09-16 17:24:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev [2019-09-16 17:24:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev [2019-09-16 17:24:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2019-09-16 17:24:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev [2019-09-16 17:24:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev [2019-09-16 17:24:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-16 17:24:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-16 17:24:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:24:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-16 17:24:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:24:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:24:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-16 17:24:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:24:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-16 17:24:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-16 17:24:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-16 17:24:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-16 17:24:56,335 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-16 17:25:03,938 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:25:03,938 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 17:25:03,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:25:03 BoogieIcfgContainer [2019-09-16 17:25:03,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:25:03,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:25:03,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:25:03,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:25:03,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:24:51" (1/3) ... [2019-09-16 17:25:03,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7522a8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:25:03, skipping insertion in model container [2019-09-16 17:25:03,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:54" (2/3) ... [2019-09-16 17:25:03,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7522a8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:25:03, skipping insertion in model container [2019-09-16 17:25:03,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:25:03" (3/3) ... [2019-09-16 17:25:03,953 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--storage--uas.ko-entry_point.cil.out.i [2019-09-16 17:25:03,964 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:25:03,976 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:25:03,995 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:25:04,025 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:25:04,025 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:25:04,025 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:25:04,025 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:25:04,025 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:25:04,026 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:25:04,026 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:25:04,026 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:25:04,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states. [2019-09-16 17:25:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-16 17:25:04,119 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:04,120 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:25:04,122 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:04,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:04,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1372524347, now seen corresponding path program 1 times [2019-09-16 17:25:04,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:04,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:04,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:04,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:04,286 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:05,060 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-16 17:25:05,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:05,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:25:05,063 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:05,070 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:25:05,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:25:05,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:25:05,088 INFO L87 Difference]: Start difference. First operand 1643 states. Second operand 3 states. [2019-09-16 17:25:06,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:06,474 INFO L93 Difference]: Finished difference Result 2671 states and 3529 transitions. [2019-09-16 17:25:06,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:25:06,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2019-09-16 17:25:06,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:06,527 INFO L225 Difference]: With dead ends: 2671 [2019-09-16 17:25:06,527 INFO L226 Difference]: Without dead ends: 2650 [2019-09-16 17:25:06,529 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 [2019-09-16 17:25:06,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2019-09-16 17:25:06,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 2646. [2019-09-16 17:25:06,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2646 states. [2019-09-16 17:25:06,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 3493 transitions. [2019-09-16 17:25:06,762 INFO L78 Accepts]: Start accepts. Automaton has 2646 states and 3493 transitions. Word has length 81 [2019-09-16 17:25:06,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:06,763 INFO L475 AbstractCegarLoop]: Abstraction has 2646 states and 3493 transitions. [2019-09-16 17:25:06,763 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:25:06,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 3493 transitions. [2019-09-16 17:25:06,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-09-16 17:25:06,768 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:06,768 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:25:06,769 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:06,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:06,769 INFO L82 PathProgramCache]: Analyzing trace with hash -930638884, now seen corresponding path program 1 times [2019-09-16 17:25:06,769 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:06,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:06,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:06,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:06,782 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:07,145 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-16 17:25:07,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:07,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:25:07,146 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:07,152 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:25:07,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:25:07,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:25:07,158 INFO L87 Difference]: Start difference. First operand 2646 states and 3493 transitions. Second operand 3 states. [2019-09-16 17:25:07,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:07,474 INFO L93 Difference]: Finished difference Result 4881 states and 6463 transitions. [2019-09-16 17:25:07,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:25:07,474 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2019-09-16 17:25:07,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:07,513 INFO L225 Difference]: With dead ends: 4881 [2019-09-16 17:25:07,513 INFO L226 Difference]: Without dead ends: 4881 [2019-09-16 17:25:07,514 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 [2019-09-16 17:25:07,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4881 states. [2019-09-16 17:25:07,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4881 to 4792. [2019-09-16 17:25:07,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4792 states. [2019-09-16 17:25:07,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4792 states to 4792 states and 6366 transitions. [2019-09-16 17:25:07,814 INFO L78 Accepts]: Start accepts. Automaton has 4792 states and 6366 transitions. Word has length 86 [2019-09-16 17:25:07,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:07,815 INFO L475 AbstractCegarLoop]: Abstraction has 4792 states and 6366 transitions. [2019-09-16 17:25:07,815 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:25:07,816 INFO L276 IsEmpty]: Start isEmpty. Operand 4792 states and 6366 transitions. [2019-09-16 17:25:07,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-16 17:25:07,819 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:07,819 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:25:07,820 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:07,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:07,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1844870400, now seen corresponding path program 1 times [2019-09-16 17:25:07,821 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:07,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:07,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:07,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:07,835 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:08,132 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-16 17:25:08,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:08,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:25:08,133 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:08,134 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:25:08,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:25:08,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:25:08,134 INFO L87 Difference]: Start difference. First operand 4792 states and 6366 transitions. Second operand 3 states. [2019-09-16 17:25:08,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:08,408 INFO L93 Difference]: Finished difference Result 4803 states and 6377 transitions. [2019-09-16 17:25:08,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:25:08,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2019-09-16 17:25:08,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:08,445 INFO L225 Difference]: With dead ends: 4803 [2019-09-16 17:25:08,445 INFO L226 Difference]: Without dead ends: 4803 [2019-09-16 17:25:08,446 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 [2019-09-16 17:25:08,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4803 states. [2019-09-16 17:25:08,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4803 to 4792. [2019-09-16 17:25:08,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4792 states. [2019-09-16 17:25:08,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4792 states to 4792 states and 6364 transitions. [2019-09-16 17:25:08,634 INFO L78 Accepts]: Start accepts. Automaton has 4792 states and 6364 transitions. Word has length 102 [2019-09-16 17:25:08,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:08,635 INFO L475 AbstractCegarLoop]: Abstraction has 4792 states and 6364 transitions. [2019-09-16 17:25:08,635 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:25:08,635 INFO L276 IsEmpty]: Start isEmpty. Operand 4792 states and 6364 transitions. [2019-09-16 17:25:08,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-16 17:25:08,638 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:08,639 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:25:08,639 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:08,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:08,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1787612098, now seen corresponding path program 1 times [2019-09-16 17:25:08,640 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:08,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:08,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:08,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:08,655 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:08,937 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-16 17:25:08,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:08,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:25:08,938 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:08,939 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:25:08,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:25:08,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:25:08,940 INFO L87 Difference]: Start difference. First operand 4792 states and 6364 transitions. Second operand 3 states. [2019-09-16 17:25:09,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:09,006 INFO L93 Difference]: Finished difference Result 4791 states and 6362 transitions. [2019-09-16 17:25:09,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:25:09,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2019-09-16 17:25:09,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:09,052 INFO L225 Difference]: With dead ends: 4791 [2019-09-16 17:25:09,053 INFO L226 Difference]: Without dead ends: 4791 [2019-09-16 17:25:09,053 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 [2019-09-16 17:25:09,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4791 states. [2019-09-16 17:25:09,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4791 to 4791. [2019-09-16 17:25:09,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4791 states. [2019-09-16 17:25:09,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4791 states to 4791 states and 6362 transitions. [2019-09-16 17:25:09,286 INFO L78 Accepts]: Start accepts. Automaton has 4791 states and 6362 transitions. Word has length 102 [2019-09-16 17:25:09,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:09,289 INFO L475 AbstractCegarLoop]: Abstraction has 4791 states and 6362 transitions. [2019-09-16 17:25:09,289 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:25:09,289 INFO L276 IsEmpty]: Start isEmpty. Operand 4791 states and 6362 transitions. [2019-09-16 17:25:09,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-16 17:25:09,294 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:09,295 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:25:09,295 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:09,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:09,296 INFO L82 PathProgramCache]: Analyzing trace with hash 417914441, now seen corresponding path program 1 times [2019-09-16 17:25:09,296 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:09,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:09,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:09,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:09,318 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-16 17:25:09,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:09,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:25:09,687 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:09,688 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:25:09,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:25:09,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:25:09,689 INFO L87 Difference]: Start difference. First operand 4791 states and 6362 transitions. Second operand 3 states. [2019-09-16 17:25:09,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:09,754 INFO L93 Difference]: Finished difference Result 4790 states and 6360 transitions. [2019-09-16 17:25:09,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:25:09,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-09-16 17:25:09,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:09,796 INFO L225 Difference]: With dead ends: 4790 [2019-09-16 17:25:09,796 INFO L226 Difference]: Without dead ends: 4790 [2019-09-16 17:25:09,797 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 [2019-09-16 17:25:09,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4790 states. [2019-09-16 17:25:10,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4790 to 4790. [2019-09-16 17:25:10,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4790 states. [2019-09-16 17:25:10,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4790 states to 4790 states and 6360 transitions. [2019-09-16 17:25:10,589 INFO L78 Accepts]: Start accepts. Automaton has 4790 states and 6360 transitions. Word has length 103 [2019-09-16 17:25:10,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:10,590 INFO L475 AbstractCegarLoop]: Abstraction has 4790 states and 6360 transitions. [2019-09-16 17:25:10,590 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:25:10,590 INFO L276 IsEmpty]: Start isEmpty. Operand 4790 states and 6360 transitions. [2019-09-16 17:25:10,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-09-16 17:25:10,593 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:10,593 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:25:10,593 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:10,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:10,594 INFO L82 PathProgramCache]: Analyzing trace with hash 69765281, now seen corresponding path program 1 times [2019-09-16 17:25:10,594 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:10,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:10,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:10,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:10,607 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:10,890 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-16 17:25:10,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:10,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:25:10,891 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:10,891 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:25:10,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:25:10,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:25:10,892 INFO L87 Difference]: Start difference. First operand 4790 states and 6360 transitions. Second operand 3 states. [2019-09-16 17:25:10,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:10,957 INFO L93 Difference]: Finished difference Result 4789 states and 6358 transitions. [2019-09-16 17:25:10,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:25:10,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2019-09-16 17:25:10,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:10,999 INFO L225 Difference]: With dead ends: 4789 [2019-09-16 17:25:11,000 INFO L226 Difference]: Without dead ends: 4789 [2019-09-16 17:25:11,000 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 [2019-09-16 17:25:11,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4789 states. [2019-09-16 17:25:11,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4789 to 4789. [2019-09-16 17:25:11,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4789 states. [2019-09-16 17:25:11,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4789 states to 4789 states and 6358 transitions. [2019-09-16 17:25:11,168 INFO L78 Accepts]: Start accepts. Automaton has 4789 states and 6358 transitions. Word has length 104 [2019-09-16 17:25:11,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:11,169 INFO L475 AbstractCegarLoop]: Abstraction has 4789 states and 6358 transitions. [2019-09-16 17:25:11,169 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:25:11,169 INFO L276 IsEmpty]: Start isEmpty. Operand 4789 states and 6358 transitions. [2019-09-16 17:25:11,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-16 17:25:11,172 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:11,172 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:25:11,172 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:11,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:11,173 INFO L82 PathProgramCache]: Analyzing trace with hash -2132919220, now seen corresponding path program 1 times [2019-09-16 17:25:11,173 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:11,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:11,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:11,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:11,185 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:11,472 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-16 17:25:11,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:11,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:25:11,473 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:11,474 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:25:11,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:25:11,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:25:11,477 INFO L87 Difference]: Start difference. First operand 4789 states and 6358 transitions. Second operand 3 states. [2019-09-16 17:25:11,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:11,632 INFO L93 Difference]: Finished difference Result 9516 states and 12653 transitions. [2019-09-16 17:25:11,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:25:11,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2019-09-16 17:25:11,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:11,708 INFO L225 Difference]: With dead ends: 9516 [2019-09-16 17:25:11,709 INFO L226 Difference]: Without dead ends: 9498 [2019-09-16 17:25:11,710 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 [2019-09-16 17:25:11,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9498 states. [2019-09-16 17:25:12,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9498 to 9485. [2019-09-16 17:25:12,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9485 states. [2019-09-16 17:25:12,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9485 states to 9485 states and 12620 transitions. [2019-09-16 17:25:12,082 INFO L78 Accepts]: Start accepts. Automaton has 9485 states and 12620 transitions. Word has length 105 [2019-09-16 17:25:12,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:12,083 INFO L475 AbstractCegarLoop]: Abstraction has 9485 states and 12620 transitions. [2019-09-16 17:25:12,083 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:25:12,084 INFO L276 IsEmpty]: Start isEmpty. Operand 9485 states and 12620 transitions. [2019-09-16 17:25:12,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-09-16 17:25:12,103 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:12,104 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:25:12,104 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:12,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:12,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1407679633, now seen corresponding path program 1 times [2019-09-16 17:25:12,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:12,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:12,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:12,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:12,118 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:12,607 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-09-16 17:25:12,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:12,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:25:12,608 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:12,609 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:25:12,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:25:12,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:25:12,610 INFO L87 Difference]: Start difference. First operand 9485 states and 12620 transitions. Second operand 3 states. [2019-09-16 17:25:13,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:13,041 INFO L93 Difference]: Finished difference Result 15809 states and 21123 transitions. [2019-09-16 17:25:13,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:25:13,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2019-09-16 17:25:13,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:13,142 INFO L225 Difference]: With dead ends: 15809 [2019-09-16 17:25:13,142 INFO L226 Difference]: Without dead ends: 15809 [2019-09-16 17:25:13,143 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 [2019-09-16 17:25:13,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15809 states. [2019-09-16 17:25:13,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15809 to 15741. [2019-09-16 17:25:13,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15741 states. [2019-09-16 17:25:13,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15741 states to 15741 states and 21046 transitions. [2019-09-16 17:25:13,660 INFO L78 Accepts]: Start accepts. Automaton has 15741 states and 21046 transitions. Word has length 213 [2019-09-16 17:25:13,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:13,661 INFO L475 AbstractCegarLoop]: Abstraction has 15741 states and 21046 transitions. [2019-09-16 17:25:13,661 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:25:13,661 INFO L276 IsEmpty]: Start isEmpty. Operand 15741 states and 21046 transitions. [2019-09-16 17:25:13,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-09-16 17:25:13,706 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:13,707 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:25:13,707 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:13,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:13,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1889328261, now seen corresponding path program 1 times [2019-09-16 17:25:13,708 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:13,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:13,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:13,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:13,725 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:14,200 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-09-16 17:25:14,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:14,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:25:14,201 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:14,201 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:25:14,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:25:14,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:25:14,202 INFO L87 Difference]: Start difference. First operand 15741 states and 21046 transitions. Second operand 5 states. [2019-09-16 17:25:14,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:14,419 INFO L93 Difference]: Finished difference Result 15789 states and 21094 transitions. [2019-09-16 17:25:14,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 17:25:14,420 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 251 [2019-09-16 17:25:14,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:14,650 INFO L225 Difference]: With dead ends: 15789 [2019-09-16 17:25:14,650 INFO L226 Difference]: Without dead ends: 15789 [2019-09-16 17:25:14,650 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 [2019-09-16 17:25:14,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15789 states. [2019-09-16 17:25:15,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15789 to 15781. [2019-09-16 17:25:15,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15781 states. [2019-09-16 17:25:15,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15781 states to 15781 states and 21086 transitions. [2019-09-16 17:25:15,208 INFO L78 Accepts]: Start accepts. Automaton has 15781 states and 21086 transitions. Word has length 251 [2019-09-16 17:25:15,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:15,208 INFO L475 AbstractCegarLoop]: Abstraction has 15781 states and 21086 transitions. [2019-09-16 17:25:15,208 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:25:15,209 INFO L276 IsEmpty]: Start isEmpty. Operand 15781 states and 21086 transitions. [2019-09-16 17:25:15,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-09-16 17:25:15,245 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:15,246 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:25:15,246 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:15,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:15,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1957239255, now seen corresponding path program 1 times [2019-09-16 17:25:15,247 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:15,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:15,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:15,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:15,260 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:15,776 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-09-16 17:25:15,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:15,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 17:25:15,776 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:15,777 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 17:25:15,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 17:25:15,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:25:15,778 INFO L87 Difference]: Start difference. First operand 15781 states and 21086 transitions. Second operand 7 states. [2019-09-16 17:25:16,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:16,003 INFO L93 Difference]: Finished difference Result 13135 states and 17506 transitions. [2019-09-16 17:25:16,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 17:25:16,003 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 277 [2019-09-16 17:25:16,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:16,085 INFO L225 Difference]: With dead ends: 13135 [2019-09-16 17:25:16,085 INFO L226 Difference]: Without dead ends: 13135 [2019-09-16 17:25:16,086 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:25:16,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13135 states. [2019-09-16 17:25:16,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13135 to 13127. [2019-09-16 17:25:16,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13127 states. [2019-09-16 17:25:16,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13127 states to 13127 states and 17498 transitions. [2019-09-16 17:25:16,731 INFO L78 Accepts]: Start accepts. Automaton has 13127 states and 17498 transitions. Word has length 277 [2019-09-16 17:25:16,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:16,732 INFO L475 AbstractCegarLoop]: Abstraction has 13127 states and 17498 transitions. [2019-09-16 17:25:16,732 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 17:25:16,733 INFO L276 IsEmpty]: Start isEmpty. Operand 13127 states and 17498 transitions. [2019-09-16 17:25:16,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2019-09-16 17:25:16,782 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:16,783 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:25:16,783 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:16,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:16,784 INFO L82 PathProgramCache]: Analyzing trace with hash 658746045, now seen corresponding path program 1 times [2019-09-16 17:25:16,784 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:16,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:16,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:16,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:16,795 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:17,284 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2019-09-16 17:25:17,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:17,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:25:17,285 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:17,286 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:25:17,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:25:17,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:25:17,287 INFO L87 Difference]: Start difference. First operand 13127 states and 17498 transitions. Second operand 3 states. [2019-09-16 17:25:19,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:19,732 INFO L93 Difference]: Finished difference Result 13127 states and 17494 transitions. [2019-09-16 17:25:19,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:25:19,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 337 [2019-09-16 17:25:19,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:19,794 INFO L225 Difference]: With dead ends: 13127 [2019-09-16 17:25:19,794 INFO L226 Difference]: Without dead ends: 13127 [2019-09-16 17:25:19,796 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:25:19,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13127 states. [2019-09-16 17:25:20,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13127 to 13127. [2019-09-16 17:25:20,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13127 states. [2019-09-16 17:25:20,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13127 states to 13127 states and 17494 transitions. [2019-09-16 17:25:20,189 INFO L78 Accepts]: Start accepts. Automaton has 13127 states and 17494 transitions. Word has length 337 [2019-09-16 17:25:20,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:20,190 INFO L475 AbstractCegarLoop]: Abstraction has 13127 states and 17494 transitions. [2019-09-16 17:25:20,190 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:25:20,190 INFO L276 IsEmpty]: Start isEmpty. Operand 13127 states and 17494 transitions. [2019-09-16 17:25:20,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2019-09-16 17:25:20,238 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:25:20,239 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:25:20,239 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:25:20,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:25:20,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1989726924, now seen corresponding path program 1 times [2019-09-16 17:25:20,240 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:25:20,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:20,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:25:20,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:25:20,252 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:25:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:25:21,017 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2019-09-16 17:25:21,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:25:21,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-16 17:25:21,018 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:25:21,022 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-16 17:25:21,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-16 17:25:21,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-16 17:25:21,023 INFO L87 Difference]: Start difference. First operand 13127 states and 17494 transitions. Second operand 10 states. [2019-09-16 17:25:21,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:25:21,237 INFO L93 Difference]: Finished difference Result 13030 states and 17330 transitions. [2019-09-16 17:25:21,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-16 17:25:21,238 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 342 [2019-09-16 17:25:21,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:25:21,239 INFO L225 Difference]: With dead ends: 13030 [2019-09-16 17:25:21,239 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:25:21,239 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-09-16 17:25:21,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:25:21,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:25:21,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:25:21,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:25:21,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 342 [2019-09-16 17:25:21,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:25:21,241 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:25:21,241 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-16 17:25:21,241 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:25:21,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:25:21,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:25:21 BoogieIcfgContainer [2019-09-16 17:25:21,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:25:21,250 INFO L168 Benchmark]: Toolchain (without parser) took 30092.28 ms. Allocated memory was 138.9 MB in the beginning and 971.0 MB in the end (delta: 832.0 MB). Free memory was 76.1 MB in the beginning and 720.0 MB in the end (delta: -643.9 MB). Peak memory consumption was 188.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:25:21,251 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-16 17:25:21,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3292.69 ms. Allocated memory was 138.9 MB in the beginning and 268.4 MB in the end (delta: 129.5 MB). Free memory was 75.6 MB in the beginning and 134.2 MB in the end (delta: -58.6 MB). Peak memory consumption was 107.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:25:21,253 INFO L168 Benchmark]: Boogie Preprocessor took 410.21 ms. Allocated memory is still 268.4 MB. Free memory was 134.2 MB in the beginning and 101.7 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. [2019-09-16 17:25:21,254 INFO L168 Benchmark]: RCFGBuilder took 9079.39 ms. Allocated memory was 268.4 MB in the beginning and 456.7 MB in the end (delta: 188.2 MB). Free memory was 101.7 MB in the beginning and 322.5 MB in the end (delta: -220.8 MB). Peak memory consumption was 258.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:25:21,255 INFO L168 Benchmark]: TraceAbstraction took 17304.16 ms. Allocated memory was 456.7 MB in the beginning and 971.0 MB in the end (delta: 514.3 MB). Free memory was 322.5 MB in the beginning and 720.0 MB in the end (delta: -397.5 MB). Peak memory consumption was 116.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:25:21,259 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3292.69 ms. Allocated memory was 138.9 MB in the beginning and 268.4 MB in the end (delta: 129.5 MB). Free memory was 75.6 MB in the beginning and 134.2 MB in the end (delta: -58.6 MB). Peak memory consumption was 107.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 410.21 ms. Allocated memory is still 268.4 MB. Free memory was 134.2 MB in the beginning and 101.7 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9079.39 ms. Allocated memory was 268.4 MB in the beginning and 456.7 MB in the end (delta: 188.2 MB). Free memory was 101.7 MB in the beginning and 322.5 MB in the end (delta: -220.8 MB). Peak memory consumption was 258.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17304.16 ms. Allocated memory was 456.7 MB in the beginning and 971.0 MB in the end (delta: 514.3 MB). Free memory was 322.5 MB in the beginning and 720.0 MB in the end (delta: -397.5 MB). Peak memory consumption was 116.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7414]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 224 procedures, 1823 locations, 1 error locations. SAFE Result, 17.2s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 6.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 24365 SDtfs, 14207 SDslu, 36911 SDs, 0 SdLazy, 165 SolverSat, 24 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15781occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 201 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2103 NumberOfCodeBlocks, 2103 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2091 ConstructedInterpolants, 0 QuantifiedInterpolants, 546702 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 802/802 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...