java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:18:59,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:18:59,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:19:00,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:19:00,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:19:00,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:19:00,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:19:00,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:19:00,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:19:00,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:19:00,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:19:00,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:19:00,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:19:00,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:19:00,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:19:00,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:19:00,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:19:00,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:19:00,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:19:00,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:19:00,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:19:00,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:19:00,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:19:00,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:19:00,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:19:00,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:19:00,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:19:00,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:19:00,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:19:00,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:19:00,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:19:00,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:19:00,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:19:00,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:19:00,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:19:00,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:19:00,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:19:00,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:19:00,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:19:00,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:19:00,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:19:00,063 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 [2019-10-03 02:19:00,085 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:19:00,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:19:00,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:19:00,087 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:19:00,087 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:19:00,087 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:19:00,088 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:19:00,088 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:19:00,088 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:19:00,088 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:19:00,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:19:00,089 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:19:00,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:19:00,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:19:00,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:19:00,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:19:00,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:19:00,091 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:19:00,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:19:00,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:19:00,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:19:00,091 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:19:00,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:19:00,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:19:00,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:19:00,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:19:00,093 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:19:00,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:19:00,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:19:00,093 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:19:00,122 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:19:00,136 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:19:00,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:19:00,142 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:19:00,142 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:19:00,143 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-10-03 02:19:00,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cd502f9c/033154e298f343dd912ab31f540a5fc6/FLAG3bdb21766 [2019-10-03 02:19:01,125 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:19:01,126 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-10-03 02:19:01,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cd502f9c/033154e298f343dd912ab31f540a5fc6/FLAG3bdb21766 [2019-10-03 02:19:01,622 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cd502f9c/033154e298f343dd912ab31f540a5fc6 [2019-10-03 02:19:01,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:19:01,634 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:19:01,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:19:01,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:19:01,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:19:01,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:19:01" (1/1) ... [2019-10-03 02:19:01,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5778c146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:19:01, skipping insertion in model container [2019-10-03 02:19:01,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:19:01" (1/1) ... [2019-10-03 02:19:01,651 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:19:01,811 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:19:04,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:19:04,142 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:19:04,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:19:04,979 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:19:04,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:19:04 WrapperNode [2019-10-03 02:19:04,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:19:04,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:19:04,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:19:04,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:19:05,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:19:04" (1/1) ... [2019-10-03 02:19:05,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:19:04" (1/1) ... [2019-10-03 02:19:05,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:19:04" (1/1) ... [2019-10-03 02:19:05,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:19:04" (1/1) ... [2019-10-03 02:19:05,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:19:04" (1/1) ... [2019-10-03 02:19:05,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:19:04" (1/1) ... [2019-10-03 02:19:05,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:19:04" (1/1) ... [2019-10-03 02:19:05,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:19:05,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:19:05,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:19:05,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:19:05,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:19:04" (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 [2019-10-03 02:19:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:19:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:19:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-10-03 02:19:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-03 02:19:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2019-10-03 02:19:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-03 02:19:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-03 02:19:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-03 02:19:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-10-03 02:19:05,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 02:19:05,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 02:19:05,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-03 02:19:05,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-03 02:19:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 02:19:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 02:19:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 02:19:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 02:19:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 02:19:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-03 02:19:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-03 02:19:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-03 02:19:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2019-10-03 02:19:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __atomic_add_unless [2019-10-03 02:19:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2019-10-03 02:19:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-03 02:19:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-03 02:19:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-03 02:19:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-10-03 02:19:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-03 02:19:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-10-03 02:19:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-03 02:19:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-03 02:19:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-03 02:19:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2019-10-03 02:19:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get_unless_zero [2019-10-03 02:19:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-03 02:19:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-03 02:19:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-03 02:19:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-03 02:19:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2019-10-03 02:19:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-10-03 02:19:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_get [2019-10-03 02:19:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-10-03 02:19:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-03 02:19:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-10-03 02:19:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-10-03 02:19:05,603 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-10-03 02:19:05,603 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-10-03 02:19:05,603 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-10-03 02:19:05,603 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-10-03 02:19:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-03 02:19:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-03 02:19:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-03 02:19:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-10-03 02:19:05,605 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-03 02:19:05,605 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-03 02:19:05,605 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-03 02:19:05,606 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-10-03 02:19:05,606 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_interface_claimed [2019-10-03 02:19:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-10-03 02:19:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-03 02:19:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-03 02:19:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-03 02:19:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2019-10-03 02:19:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2019-10-03 02:19:05,609 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_get_by_minor [2019-10-03 02:19:05,609 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_alloc_minor [2019-10-03 02:19:05,609 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2019-10-03 02:19:05,609 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2019-10-03 02:19:05,610 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_set_control [2019-10-03 02:19:05,610 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_alloc [2019-10-03 02:19:05,610 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2019-10-03 02:19:05,610 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2019-10-03 02:19:05,611 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2019-10-03 02:19:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure show_caps [2019-10-03 02:19:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure show_country_codes [2019-10-03 02:19:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure show_country_rel_date [2019-10-03 02:19:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_irq [2019-10-03 02:19:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2019-10-03 02:19:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2019-10-03 02:19:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_process_read_urb [2019-10-03 02:19:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_bulk_callback [2019-10-03 02:19:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_bulk [2019-10-03 02:19:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2019-10-03 02:19:05,616 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2019-10-03 02:19:05,616 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_open [2019-10-03 02:19:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2019-10-03 02:19:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_activate [2019-10-03 02:19:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_destruct [2019-10-03 02:19:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_shutdown [2019-10-03 02:19:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2019-10-03 02:19:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2019-10-03 02:19:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_close [2019-10-03 02:19:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write [2019-10-03 02:19:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2019-10-03 02:19:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2019-10-03 02:19:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2019-10-03 02:19:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2019-10-03 02:19:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2019-10-03 02:19:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2019-10-03 02:19:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2019-10-03 02:19:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure get_serial_info [2019-10-03 02:19:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure set_serial_info [2019-10-03 02:19:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_serial_change [2019-10-03 02:19:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure get_serial_usage [2019-10-03 02:19:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2019-10-03 02:19:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2019-10-03 02:19:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2019-10-03 02:19:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2019-10-03 02:19:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_alloc [2019-10-03 02:19:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_probe [2019-10-03 02:19:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2019-10-03 02:19:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2019-10-03 02:19:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_suspend [2019-10-03 02:19:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2019-10-03 02:19:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_reset_resume [2019-10-03 02:19:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_init [2019-10-03 02:19:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_exit [2019-10-03 02:19:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-03 02:19:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_operations_4 [2019-10-03 02:19:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-03 02:19:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_3 [2019-10-03 02:19:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_tty_operations_2 [2019-10-03 02:19:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-03 02:19:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-03 02:19:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-03 02:19:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-03 02:19:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:19:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-03 02:19:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-03 02:19:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-03 02:19:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-03 02:19:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-03 02:19:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-03 02:19:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-03 02:19:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2019-10-03 02:19:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2019-10-03 02:19:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2019-10-03 02:19:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2019-10-03 02:19:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2019-10-03 02:19:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-03 02:19:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_25 [2019-10-03 02:19:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2019-10-03 02:19:05,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2019-10-03 02:19:05,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_30 [2019-10-03 02:19:05,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2019-10-03 02:19:05,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_32 [2019-10-03 02:19:05,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_33 [2019-10-03 02:19:05,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_34 [2019-10-03 02:19:05,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_35 [2019-10-03 02:19:05,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_36 [2019-10-03 02:19:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_37 [2019-10-03 02:19:05,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_38 [2019-10-03 02:19:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_39 [2019-10-03 02:19:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_40 [2019-10-03 02:19:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_41 [2019-10-03 02:19:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 02:19:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 02:19:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 02:19:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 02:19:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 02:19:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-03 02:19:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-03 02:19:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-03 02:19:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-03 02:19:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-03 02:19:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-03 02:19:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-03 02:19:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-03 02:19:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-03 02:19:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-03 02:19:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-03 02:19:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-03 02:19:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-03 02:19:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-03 02:19:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __tty_alloc_driver [2019-10-03 02:19:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-03 02:19:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-03 02:19:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-03 02:19:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-03 02:19:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-03 02:19:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-03 02:19:05,656 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-03 02:19:05,656 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-03 02:19:05,656 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-03 02:19:05,656 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-10-03 02:19:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-03 02:19:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-03 02:19:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-03 02:19:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-03 02:19:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-03 02:19:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-10-03 02:19:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-10-03 02:19:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-03 02:19:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2019-10-03 02:19:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2019-10-03 02:19:05,659 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-10-03 02:19:05,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 02:19:05,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 02:19:05,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-03 02:19:05,659 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-03 02:19:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-03 02:19:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-03 02:19:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 02:19:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2019-10-03 02:19:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-03 02:19:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-03 02:19:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2019-10-03 02:19:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-03 02:19:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-10-03 02:19:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-10-03 02:19:05,662 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-10-03 02:19:05,662 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_close [2019-10-03 02:19:05,662 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_hangup [2019-10-03 02:19:05,662 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_init [2019-10-03 02:19:05,662 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_open [2019-10-03 02:19:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2019-10-03 02:19:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_register_device [2019-10-03 02:19:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-10-03 02:19:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2019-10-03 02:19:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2019-10-03 02:19:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2019-10-03 02:19:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2019-10-03 02:19:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_standard_install [2019-10-03 02:19:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-10-03 02:19:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2019-10-03 02:19:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2019-10-03 02:19:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_vhangup [2019-10-03 02:19:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-10-03 02:19:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2019-10-03 02:19:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2019-10-03 02:19:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2019-10-03 02:19:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2019-10-03 02:19:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2019-10-03 02:19:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2019-10-03 02:19:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-03 02:19:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-03 02:19:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_claim_interface [2019-10-03 02:19:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2019-10-03 02:19:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-03 02:19:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-03 02:19:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2019-10-03 02:19:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2019-10-03 02:19:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-10-03 02:19:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-03 02:19:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2019-10-03 02:19:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-03 02:19:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2019-10-03 02:19:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 02:19:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 02:19:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 02:19:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 02:19:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 02:19:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-10-03 02:19:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:19:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 02:19:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-10-03 02:19:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 02:19:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:19:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:19:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-03 02:19:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2019-10-03 02:19:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-03 02:19:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-03 02:19:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-03 02:19:05,674 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-10-03 02:19:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 02:19:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-03 02:19:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-03 02:19:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-03 02:19:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 02:19:05,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 02:19:05,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-03 02:19:05,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-03 02:19:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:19:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 02:19:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 02:19:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-10-03 02:19:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:19:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 02:19:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 02:19:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 02:19:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 02:19:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:19:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 02:19:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 02:19:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-03 02:19:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-03 02:19:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 02:19:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 02:19:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 02:19:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 02:19:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 02:19:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-03 02:19:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:19:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-03 02:19:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-03 02:19:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 02:19:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-03 02:19:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-03 02:19:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-03 02:19:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-03 02:19:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2019-10-03 02:19:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-03 02:19:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2019-10-03 02:19:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_add_unless [2019-10-03 02:19:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2019-10-03 02:19:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-03 02:19:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-03 02:19:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-03 02:19:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-03 02:19:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-03 02:19:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-03 02:19:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-03 02:19:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-03 02:19:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-03 02:19:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-03 02:19:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-03 02:19:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-10-03 02:19:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-03 02:19:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-03 02:19:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-03 02:19:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-10-03 02:19:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-03 02:19:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-03 02:19:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-03 02:19:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2019-10-03 02:19:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-03 02:19:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-10-03 02:19:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2019-10-03 02:19:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-03 02:19:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-03 02:19:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-03 02:19:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-03 02:19:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-03 02:19:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-03 02:19:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-03 02:19:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2019-10-03 02:19:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2019-10-03 02:19:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-03 02:19:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2019-10-03 02:19:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2019-10-03 02:19:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-03 02:19:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2019-10-03 02:19:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-03 02:19:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_38 [2019-10-03 02:19:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-03 02:19:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-03 02:19:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2019-10-03 02:19:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2019-10-03 02:19:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-10-03 02:19:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2019-10-03 02:19:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:19:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:19:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:19:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get_unless_zero [2019-10-03 02:19:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-03 02:19:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-03 02:19:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-03 02:19:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-03 02:19:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 02:19:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_25 [2019-10-03 02:19:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-03 02:19:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-03 02:19:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-03 02:19:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_operations_4 [2019-10-03 02:19:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-03 02:19:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_3 [2019-10-03 02:19:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_tty_operations_2 [2019-10-03 02:19:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-03 02:19:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-03 02:19:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-03 02:19:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-03 02:19:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-03 02:19:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-03 02:19:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-03 02:19:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-03 02:19:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-03 02:19:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-03 02:19:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2019-10-03 02:19:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2019-10-03 02:19:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2019-10-03 02:19:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2019-10-03 02:19:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-10-03 02:19:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2019-10-03 02:19:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2019-10-03 02:19:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2019-10-03 02:19:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure tty_vhangup [2019-10-03 02:19:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-10-03 02:19:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-10-03 02:19:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure tty_standard_install [2019-10-03 02:19:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2019-10-03 02:19:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_register_device [2019-10-03 02:19:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2019-10-03 02:19:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_get [2019-10-03 02:19:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-10-03 02:19:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2019-10-03 02:19:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2019-10-03 02:19:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2019-10-03 02:19:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close [2019-10-03 02:19:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_open [2019-10-03 02:19:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-10-03 02:19:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-10-03 02:19:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-10-03 02:19:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-03 02:19:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-10-03 02:19:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-10-03 02:19:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-10-03 02:19:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-10-03 02:19:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-10-03 02:19:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-10-03 02:19:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-03 02:19:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-10-03 02:19:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-10-03 02:19:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-03 02:19:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-03 02:19:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-03 02:19:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-03 02:19:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-03 02:19:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-10-03 02:19:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-03 02:19:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-03 02:19:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2019-10-03 02:19:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2019-10-03 02:19:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-03 02:19:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2019-10-03 02:19:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2019-10-03 02:19:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2019-10-03 02:19:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2019-10-03 02:19:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2019-10-03 02:19:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-10-03 02:19:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_claim_interface [2019-10-03 02:19:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interface_claimed [2019-10-03 02:19:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2019-10-03 02:19:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-10-03 02:19:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-03 02:19:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_40 [2019-10-03 02:19:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-03 02:19:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_41 [2019-10-03 02:19:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-10-03 02:19:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-03 02:19:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-03 02:19:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_34 [2019-10-03 02:19:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_36 [2019-10-03 02:19:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_37 [2019-10-03 02:19:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-03 02:19:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2019-10-03 02:19:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2019-10-03 02:19:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_30 [2019-10-03 02:19:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2019-10-03 02:19:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_39 [2019-10-03 02:19:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-03 02:19:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-10-03 02:19:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2019-10-03 02:19:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_32 [2019-10-03 02:19:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_33 [2019-10-03 02:19:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_35 [2019-10-03 02:19:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-03 02:19:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-03 02:19:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2019-10-03 02:19:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-03 02:19:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2019-10-03 02:19:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2019-10-03 02:19:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2019-10-03 02:19:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure acm_get_by_minor [2019-10-03 02:19:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure acm_alloc_minor [2019-10-03 02:19:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2019-10-03 02:19:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2019-10-03 02:19:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure acm_set_control [2019-10-03 02:19:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_alloc [2019-10-03 02:19:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2019-10-03 02:19:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2019-10-03 02:19:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2019-10-03 02:19:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure show_caps [2019-10-03 02:19:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure show_country_codes [2019-10-03 02:19:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-10-03 02:19:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure show_country_rel_date [2019-10-03 02:19:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_irq [2019-10-03 02:19:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2019-10-03 02:19:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2019-10-03 02:19:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure acm_process_read_urb [2019-10-03 02:19:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_bulk_callback [2019-10-03 02:19:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_bulk [2019-10-03 02:19:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2019-10-03 02:19:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2019-10-03 02:19:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_open [2019-10-03 02:19:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2019-10-03 02:19:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_activate [2019-10-03 02:19:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_destruct [2019-10-03 02:19:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_shutdown [2019-10-03 02:19:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2019-10-03 02:19:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2019-10-03 02:19:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_close [2019-10-03 02:19:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write [2019-10-03 02:19:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2019-10-03 02:19:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2019-10-03 02:19:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2019-10-03 02:19:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2019-10-03 02:19:05,730 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2019-10-03 02:19:05,730 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2019-10-03 02:19:05,730 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2019-10-03 02:19:05,730 INFO L130 BoogieDeclarations]: Found specification of procedure get_serial_info [2019-10-03 02:19:05,730 INFO L130 BoogieDeclarations]: Found specification of procedure set_serial_info [2019-10-03 02:19:05,731 INFO L130 BoogieDeclarations]: Found specification of procedure wait_serial_change [2019-10-03 02:19:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure get_serial_usage [2019-10-03 02:19:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2019-10-03 02:19:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2019-10-03 02:19:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2019-10-03 02:19:05,736 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_alloc [2019-10-03 02:19:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure acm_probe [2019-10-03 02:19:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2019-10-03 02:19:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2019-10-03 02:19:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure acm_suspend [2019-10-03 02:19:05,737 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2019-10-03 02:19:05,738 INFO L130 BoogieDeclarations]: Found specification of procedure acm_reset_resume [2019-10-03 02:19:05,738 INFO L130 BoogieDeclarations]: Found specification of procedure acm_init [2019-10-03 02:19:05,738 INFO L130 BoogieDeclarations]: Found specification of procedure acm_exit [2019-10-03 02:19:05,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 02:19:05,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 02:19:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:19:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 02:19:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 02:19:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 02:19:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-03 02:19:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-03 02:19:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-03 02:19:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-03 02:19:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 02:19:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-03 02:19:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-03 02:19:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:19:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:19:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 02:19:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:19:05,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:19:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 02:19:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 02:19:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 02:19:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 02:19:07,546 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 02:19:29,282 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:19:29,283 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-03 02:19:29,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:19:29 BoogieIcfgContainer [2019-10-03 02:19:29,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:19:29,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:19:29,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:19:29,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:19:29,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:19:01" (1/3) ... [2019-10-03 02:19:29,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250c88a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:19:29, skipping insertion in model container [2019-10-03 02:19:29,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:19:04" (2/3) ... [2019-10-03 02:19:29,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250c88a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:19:29, skipping insertion in model container [2019-10-03 02:19:29,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:19:29" (3/3) ... [2019-10-03 02:19:29,298 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-10-03 02:19:29,308 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:19:29,320 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:19:29,337 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:19:29,363 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:19:29,363 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:19:29,363 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:19:29,363 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:19:29,364 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:19:29,364 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:19:29,364 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:19:29,364 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:19:29,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states. [2019-10-03 02:19:29,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2019-10-03 02:19:29,458 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:19:29,459 INFO L411 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:19:29,461 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:19:29,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:19:29,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1928549513, now seen corresponding path program 1 times [2019-10-03 02:19:29,469 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:19:29,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:29,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:19:29,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:29,563 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:19:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:19:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1071 trivial. 0 not checked. [2019-10-03 02:19:31,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:19:31,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:19:31,143 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:19:31,148 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:19:31,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:19:31,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:19:31,166 INFO L87 Difference]: Start difference. First operand 2121 states. Second operand 3 states. [2019-10-03 02:19:33,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:19:33,607 INFO L93 Difference]: Finished difference Result 3675 states and 4824 transitions. [2019-10-03 02:19:33,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:19:33,609 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 298 [2019-10-03 02:19:33,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:19:33,653 INFO L225 Difference]: With dead ends: 3675 [2019-10-03 02:19:33,653 INFO L226 Difference]: Without dead ends: 3608 [2019-10-03 02:19:33,655 INFO L640 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 [2019-10-03 02:19:33,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3608 states. [2019-10-03 02:19:33,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3608 to 3604. [2019-10-03 02:19:33,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3604 states. [2019-10-03 02:19:33,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3604 states to 3604 states and 4731 transitions. [2019-10-03 02:19:33,912 INFO L78 Accepts]: Start accepts. Automaton has 3604 states and 4731 transitions. Word has length 298 [2019-10-03 02:19:33,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:19:33,914 INFO L475 AbstractCegarLoop]: Abstraction has 3604 states and 4731 transitions. [2019-10-03 02:19:33,914 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:19:33,915 INFO L276 IsEmpty]: Start isEmpty. Operand 3604 states and 4731 transitions. [2019-10-03 02:19:33,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2019-10-03 02:19:33,923 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:19:33,923 INFO L411 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2019-10-03 02:19:33,923 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:19:33,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:19:33,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1566260827, now seen corresponding path program 1 times [2019-10-03 02:19:33,924 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:19:33,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:33,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:19:33,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:33,939 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:19:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:19:35,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1082 trivial. 0 not checked. [2019-10-03 02:19:35,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:19:35,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:19:35,125 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:19:35,127 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:19:35,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:19:35,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:19:35,128 INFO L87 Difference]: Start difference. First operand 3604 states and 4731 transitions. Second operand 3 states. [2019-10-03 02:19:36,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:19:36,970 INFO L93 Difference]: Finished difference Result 5635 states and 7360 transitions. [2019-10-03 02:19:36,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:19:36,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 324 [2019-10-03 02:19:36,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:19:37,007 INFO L225 Difference]: With dead ends: 5635 [2019-10-03 02:19:37,007 INFO L226 Difference]: Without dead ends: 5635 [2019-10-03 02:19:37,008 INFO L640 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 [2019-10-03 02:19:37,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5635 states. [2019-10-03 02:19:37,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5635 to 5618. [2019-10-03 02:19:37,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5618 states. [2019-10-03 02:19:37,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5618 states to 5618 states and 7342 transitions. [2019-10-03 02:19:37,248 INFO L78 Accepts]: Start accepts. Automaton has 5618 states and 7342 transitions. Word has length 324 [2019-10-03 02:19:37,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:19:37,250 INFO L475 AbstractCegarLoop]: Abstraction has 5618 states and 7342 transitions. [2019-10-03 02:19:37,250 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:19:37,250 INFO L276 IsEmpty]: Start isEmpty. Operand 5618 states and 7342 transitions. [2019-10-03 02:19:37,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-10-03 02:19:37,261 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:19:37,261 INFO L411 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:19:37,261 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:19:37,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:19:37,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1791907944, now seen corresponding path program 1 times [2019-10-03 02:19:37,262 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:19:37,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:37,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:19:37,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:37,280 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:19:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:19:38,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1071 trivial. 0 not checked. [2019-10-03 02:19:38,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:19:38,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:19:38,072 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:19:38,073 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:19:38,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:19:38,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:19:38,074 INFO L87 Difference]: Start difference. First operand 5618 states and 7342 transitions. Second operand 3 states. [2019-10-03 02:19:39,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:19:39,267 INFO L93 Difference]: Finished difference Result 8616 states and 11191 transitions. [2019-10-03 02:19:39,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:19:39,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2019-10-03 02:19:39,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:19:39,336 INFO L225 Difference]: With dead ends: 8616 [2019-10-03 02:19:39,337 INFO L226 Difference]: Without dead ends: 8616 [2019-10-03 02:19:39,337 INFO L640 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 [2019-10-03 02:19:39,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8616 states. [2019-10-03 02:19:39,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8616 to 8613. [2019-10-03 02:19:39,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8613 states. [2019-10-03 02:19:39,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8613 states to 8613 states and 11189 transitions. [2019-10-03 02:19:39,637 INFO L78 Accepts]: Start accepts. Automaton has 8613 states and 11189 transitions. Word has length 305 [2019-10-03 02:19:39,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:19:39,638 INFO L475 AbstractCegarLoop]: Abstraction has 8613 states and 11189 transitions. [2019-10-03 02:19:39,638 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:19:39,639 INFO L276 IsEmpty]: Start isEmpty. Operand 8613 states and 11189 transitions. [2019-10-03 02:19:39,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2019-10-03 02:19:39,651 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:19:39,652 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2019-10-03 02:19:39,652 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:19:39,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:19:39,653 INFO L82 PathProgramCache]: Analyzing trace with hash 906856836, now seen corresponding path program 1 times [2019-10-03 02:19:39,653 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:19:39,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:39,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:19:39,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:39,669 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:19:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:19:41,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2019-10-03 02:19:41,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:19:41,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:19:41,489 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:19:41,491 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:19:41,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:19:41,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:19:41,492 INFO L87 Difference]: Start difference. First operand 8613 states and 11189 transitions. Second operand 3 states. [2019-10-03 02:19:41,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:19:41,596 INFO L93 Difference]: Finished difference Result 8814 states and 11388 transitions. [2019-10-03 02:19:41,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:19:41,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 376 [2019-10-03 02:19:41,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:19:41,672 INFO L225 Difference]: With dead ends: 8814 [2019-10-03 02:19:41,673 INFO L226 Difference]: Without dead ends: 8814 [2019-10-03 02:19:41,674 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:19:41,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8814 states. [2019-10-03 02:19:41,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8814 to 8814. [2019-10-03 02:19:41,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8814 states. [2019-10-03 02:19:41,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8814 states to 8814 states and 11388 transitions. [2019-10-03 02:19:41,934 INFO L78 Accepts]: Start accepts. Automaton has 8814 states and 11388 transitions. Word has length 376 [2019-10-03 02:19:41,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:19:41,935 INFO L475 AbstractCegarLoop]: Abstraction has 8814 states and 11388 transitions. [2019-10-03 02:19:41,935 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:19:41,936 INFO L276 IsEmpty]: Start isEmpty. Operand 8814 states and 11388 transitions. [2019-10-03 02:19:41,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2019-10-03 02:19:41,952 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:19:41,954 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2019-10-03 02:19:41,954 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:19:41,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:19:41,954 INFO L82 PathProgramCache]: Analyzing trace with hash 757531067, now seen corresponding path program 1 times [2019-10-03 02:19:41,955 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:19:41,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:41,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:19:41,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:41,971 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:19:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:19:43,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1337 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2019-10-03 02:19:43,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:19:43,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:19:43,040 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:19:43,041 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:19:43,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:19:43,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:19:43,042 INFO L87 Difference]: Start difference. First operand 8814 states and 11388 transitions. Second operand 3 states. [2019-10-03 02:19:46,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:19:46,901 INFO L93 Difference]: Finished difference Result 13888 states and 17858 transitions. [2019-10-03 02:19:46,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:19:46,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 383 [2019-10-03 02:19:46,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:19:46,973 INFO L225 Difference]: With dead ends: 13888 [2019-10-03 02:19:46,973 INFO L226 Difference]: Without dead ends: 13888 [2019-10-03 02:19:46,974 INFO L640 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 [2019-10-03 02:19:46,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13888 states. [2019-10-03 02:19:47,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13888 to 13885. [2019-10-03 02:19:47,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13885 states. [2019-10-03 02:19:47,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13885 states to 13885 states and 17856 transitions. [2019-10-03 02:19:47,333 INFO L78 Accepts]: Start accepts. Automaton has 13885 states and 17856 transitions. Word has length 383 [2019-10-03 02:19:47,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:19:47,335 INFO L475 AbstractCegarLoop]: Abstraction has 13885 states and 17856 transitions. [2019-10-03 02:19:47,335 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:19:47,335 INFO L276 IsEmpty]: Start isEmpty. Operand 13885 states and 17856 transitions. [2019-10-03 02:19:47,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2019-10-03 02:19:47,348 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:19:47,349 INFO L411 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2019-10-03 02:19:47,349 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:19:47,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:19:47,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1689233236, now seen corresponding path program 1 times [2019-10-03 02:19:47,350 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:19:47,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:47,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:19:47,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:47,365 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:19:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:19:48,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1197 trivial. 0 not checked. [2019-10-03 02:19:48,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:19:48,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:19:48,218 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:19:48,219 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:19:48,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:19:48,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:19:48,220 INFO L87 Difference]: Start difference. First operand 13885 states and 17856 transitions. Second operand 5 states. [2019-10-03 02:19:49,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:19:49,768 INFO L93 Difference]: Finished difference Result 13909 states and 17874 transitions. [2019-10-03 02:19:49,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:19:49,769 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 392 [2019-10-03 02:19:49,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:19:49,835 INFO L225 Difference]: With dead ends: 13909 [2019-10-03 02:19:49,835 INFO L226 Difference]: Without dead ends: 13909 [2019-10-03 02:19:49,836 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:19:49,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13909 states. [2019-10-03 02:19:50,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13909 to 13861. [2019-10-03 02:19:50,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13861 states. [2019-10-03 02:19:50,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13861 states to 13861 states and 17820 transitions. [2019-10-03 02:19:50,316 INFO L78 Accepts]: Start accepts. Automaton has 13861 states and 17820 transitions. Word has length 392 [2019-10-03 02:19:50,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:19:50,316 INFO L475 AbstractCegarLoop]: Abstraction has 13861 states and 17820 transitions. [2019-10-03 02:19:50,317 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:19:50,317 INFO L276 IsEmpty]: Start isEmpty. Operand 13861 states and 17820 transitions. [2019-10-03 02:19:50,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2019-10-03 02:19:50,345 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:19:50,345 INFO L411 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:19:50,346 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:19:50,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:19:50,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1822668233, now seen corresponding path program 1 times [2019-10-03 02:19:50,346 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:19:50,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:50,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:19:50,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:50,362 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:19:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:19:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1487 trivial. 0 not checked. [2019-10-03 02:19:51,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:19:51,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:19:51,660 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:19:51,660 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:19:51,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:19:51,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:19:51,661 INFO L87 Difference]: Start difference. First operand 13861 states and 17820 transitions. Second operand 3 states. [2019-10-03 02:19:55,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:19:55,134 INFO L93 Difference]: Finished difference Result 18581 states and 23760 transitions. [2019-10-03 02:19:55,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:19:55,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 439 [2019-10-03 02:19:55,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:19:55,213 INFO L225 Difference]: With dead ends: 18581 [2019-10-03 02:19:55,213 INFO L226 Difference]: Without dead ends: 18581 [2019-10-03 02:19:55,214 INFO L640 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 [2019-10-03 02:19:55,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18581 states. [2019-10-03 02:19:55,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18581 to 18536. [2019-10-03 02:19:55,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18536 states. [2019-10-03 02:19:55,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18536 states to 18536 states and 23710 transitions. [2019-10-03 02:19:55,633 INFO L78 Accepts]: Start accepts. Automaton has 18536 states and 23710 transitions. Word has length 439 [2019-10-03 02:19:55,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:19:55,633 INFO L475 AbstractCegarLoop]: Abstraction has 18536 states and 23710 transitions. [2019-10-03 02:19:55,633 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:19:55,634 INFO L276 IsEmpty]: Start isEmpty. Operand 18536 states and 23710 transitions. [2019-10-03 02:19:55,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2019-10-03 02:19:55,657 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:19:55,657 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:19:55,658 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:19:55,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:19:55,658 INFO L82 PathProgramCache]: Analyzing trace with hash 64797574, now seen corresponding path program 1 times [2019-10-03 02:19:55,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:19:55,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:55,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:19:55,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:55,671 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:19:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:19:57,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1349 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2019-10-03 02:19:57,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:19:57,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:19:57,103 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:19:57,104 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:19:57,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:19:57,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:19:57,105 INFO L87 Difference]: Start difference. First operand 18536 states and 23710 transitions. Second operand 5 states. [2019-10-03 02:20:00,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:20:00,597 INFO L93 Difference]: Finished difference Result 18584 states and 23752 transitions. [2019-10-03 02:20:00,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:20:00,597 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 414 [2019-10-03 02:20:00,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:20:00,652 INFO L225 Difference]: With dead ends: 18584 [2019-10-03 02:20:00,652 INFO L226 Difference]: Without dead ends: 18536 [2019-10-03 02:20:00,653 INFO L640 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 [2019-10-03 02:20:00,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18536 states. [2019-10-03 02:20:00,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18536 to 18536. [2019-10-03 02:20:00,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18536 states. [2019-10-03 02:20:01,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18536 states to 18536 states and 23692 transitions. [2019-10-03 02:20:01,017 INFO L78 Accepts]: Start accepts. Automaton has 18536 states and 23692 transitions. Word has length 414 [2019-10-03 02:20:01,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:20:01,018 INFO L475 AbstractCegarLoop]: Abstraction has 18536 states and 23692 transitions. [2019-10-03 02:20:01,018 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:20:01,018 INFO L276 IsEmpty]: Start isEmpty. Operand 18536 states and 23692 transitions. [2019-10-03 02:20:01,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-10-03 02:20:01,045 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:20:01,047 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:20:01,048 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:20:01,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:20:01,048 INFO L82 PathProgramCache]: Analyzing trace with hash 604816680, now seen corresponding path program 1 times [2019-10-03 02:20:01,048 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:20:01,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:20:01,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:20:01,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:20:01,061 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:20:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:20:02,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1349 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2019-10-03 02:20:02,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:20:02,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:20:02,602 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:20:02,603 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:20:02,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:20:02,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:20:02,603 INFO L87 Difference]: Start difference. First operand 18536 states and 23692 transitions. Second operand 5 states. [2019-10-03 02:20:05,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:20:05,728 INFO L93 Difference]: Finished difference Result 18741 states and 23919 transitions. [2019-10-03 02:20:05,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 02:20:05,751 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 429 [2019-10-03 02:20:05,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:20:05,801 INFO L225 Difference]: With dead ends: 18741 [2019-10-03 02:20:05,802 INFO L226 Difference]: Without dead ends: 18666 [2019-10-03 02:20:05,802 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:20:05,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18666 states. [2019-10-03 02:20:06,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18666 to 18536. [2019-10-03 02:20:06,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18536 states. [2019-10-03 02:20:06,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18536 states to 18536 states and 23674 transitions. [2019-10-03 02:20:06,165 INFO L78 Accepts]: Start accepts. Automaton has 18536 states and 23674 transitions. Word has length 429 [2019-10-03 02:20:06,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:20:06,166 INFO L475 AbstractCegarLoop]: Abstraction has 18536 states and 23674 transitions. [2019-10-03 02:20:06,166 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:20:06,166 INFO L276 IsEmpty]: Start isEmpty. Operand 18536 states and 23674 transitions. [2019-10-03 02:20:06,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-10-03 02:20:06,203 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:20:06,204 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:20:06,204 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:20:06,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:20:06,204 INFO L82 PathProgramCache]: Analyzing trace with hash 639640617, now seen corresponding path program 1 times [2019-10-03 02:20:06,204 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:20:06,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:20:06,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:20:06,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:20:06,220 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:20:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:20:12,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1349 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 1244 trivial. 0 not checked. [2019-10-03 02:20:12,542 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:20:12,542 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:20:12,544 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 430 with the following transitions: [2019-10-03 02:20:12,546 INFO L207 CegarAbsIntRunner]: [148], [154], [155], [156], [157], [248], [249], [336], [366], [372], [373], [393], [394], [395], [397], [399], [403], [404], [1078], [1080], [1084], [1087], [1090], [1092], [1104], [1155], [1313], [1314], [1443], [1444], [1848], [1849], [1852], [1855], [1883], [1889], [1895], [1896], [1897], [1898], [1925], [1927], [1930], [1937], [1952], [1953], [1974], [1977], [2237], [2238], [2337], [2339], [2340], [2359], [2361], [2362], [2450], [2452], [2454], [2456], [2458], [2460], [2462], [2464], [2466], [2468], [2470], [2472], [2474], [2476], [2478], [2481], [2483], [2485], [2487], [2489], [2491], [2493], [2495], [2497], [2499], [2532], [2643], [2676], [2679], [2682], [2685], [2688], [2695], [2716], [2737], [2758], [2771], [2792], [2795], [2798], [2800], [2803], [2993], [3005], [3099], [3102], [3105], [3117], [3120], [3123], [3125], [3130], [3133], [3135], [3137], [3206], [3208], [3209], [3210], [3211], [3262], [3263], [3268], [3270], [3273], [3278], [3279], [3500], [3502], [3503], [3731], [3735], [3738], [3744], [3750], [3753], [3757], [3759], [3761], [3767], [3775], [3795], [3797], [3798], [3940], [3942], [3943], [4058], [4059], [4060], [4061], [4250], [4251], [4252], [4253], [4254], [4255], [4256], [4257], [4284], [4480], [4512], [4608], [4609], [4620], [4621], [4650], [4651], [4652], [4653], [4654], [4655], [4656], [4657], [4658], [4659], [4660], [4661], [4662], [4663], [4664], [4665], [4666], [4667], [4668], [4669], [4670], [4671], [4672], [4673], [4674], [4675], [4676], [4677], [4678], [4679], [4680], [4681], [4682], [4683], [4684], [4685], [4686], [4687], [4688], [4689], [4690], [4691], [4692], [4693], [4694], [4695], [4696], [4697], [4720], [4740], [4741], [4794], [4795], [4796], [4797], [4798], [4799], [4810], [4811], [4826], [4827], [4828], [4829], [4870], [4871], [4932], [4933], [4934], [4935], [4940], [4941], [4942], [4943], [4950], [4958], [4959], [4976], [4977], [4978], [5002], [5003] [2019-10-03 02:20:12,640 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:20:12,641 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:20:13,091 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:20:13,093 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 539 root evaluator evaluations with a maximum evaluation depth of 0. Performed 539 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 1064 variables. [2019-10-03 02:20:13,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:20:13,097 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:20:13,254 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:20:13,255 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:20:13,264 INFO L420 sIntCurrentIteration]: We unified 428 AI predicates to 428 [2019-10-03 02:20:13,264 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:20:13,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:20:13,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-10-03 02:20:13,266 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:20:13,266 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:20:13,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:20:13,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:20:13,267 INFO L87 Difference]: Start difference. First operand 18536 states and 23674 transitions. Second operand 2 states. [2019-10-03 02:20:13,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:20:13,268 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:20:13,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:20:13,268 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 429 [2019-10-03 02:20:13,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:20:13,269 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:20:13,269 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:20:13,269 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:20:13,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:20:13,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:20:13,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:20:13,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:20:13,270 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 429 [2019-10-03 02:20:13,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:20:13,270 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:20:13,270 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:20:13,270 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:20:13,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:20:13,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:20:13 BoogieIcfgContainer [2019-10-03 02:20:13,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:20:13,278 INFO L168 Benchmark]: Toolchain (without parser) took 71643.72 ms. Allocated memory was 141.0 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 76.1 MB in the beginning and 295.6 MB in the end (delta: -219.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-10-03 02:20:13,279 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:20:13,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3346.89 ms. Allocated memory was 141.0 MB in the beginning and 269.5 MB in the end (delta: 128.5 MB). Free memory was 75.9 MB in the beginning and 195.5 MB in the end (delta: -119.6 MB). Peak memory consumption was 135.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:20:13,281 INFO L168 Benchmark]: Boogie Preprocessor took 497.78 ms. Allocated memory is still 269.5 MB. Free memory was 195.5 MB in the beginning and 123.8 MB in the end (delta: 71.7 MB). Peak memory consumption was 71.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:20:13,282 INFO L168 Benchmark]: RCFGBuilder took 23805.25 ms. Allocated memory was 269.5 MB in the beginning and 924.3 MB in the end (delta: 654.8 MB). Free memory was 123.8 MB in the beginning and 631.0 MB in the end (delta: -507.2 MB). Peak memory consumption was 696.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:20:13,282 INFO L168 Benchmark]: TraceAbstraction took 43988.90 ms. Allocated memory was 924.3 MB in the beginning and 1.5 GB in the end (delta: 594.0 MB). Free memory was 631.0 MB in the beginning and 295.6 MB in the end (delta: 335.4 MB). Peak memory consumption was 929.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:20:13,286 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3346.89 ms. Allocated memory was 141.0 MB in the beginning and 269.5 MB in the end (delta: 128.5 MB). Free memory was 75.9 MB in the beginning and 195.5 MB in the end (delta: -119.6 MB). Peak memory consumption was 135.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 497.78 ms. Allocated memory is still 269.5 MB. Free memory was 195.5 MB in the beginning and 123.8 MB in the end (delta: 71.7 MB). Peak memory consumption was 71.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 23805.25 ms. Allocated memory was 269.5 MB in the beginning and 924.3 MB in the end (delta: 654.8 MB). Free memory was 123.8 MB in the beginning and 631.0 MB in the end (delta: -507.2 MB). Peak memory consumption was 696.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43988.90 ms. Allocated memory was 924.3 MB in the beginning and 1.5 GB in the end (delta: 594.0 MB). Free memory was 631.0 MB in the beginning and 295.6 MB in the end (delta: 335.4 MB). Peak memory consumption was 929.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8306]: 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 254 procedures, 2264 locations, 1 error locations. SAFE Result, 43.9s OverallTime, 10 OverallIterations, 17 TraceHistogramMax, 21.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 27015 SDtfs, 15038 SDslu, 31674 SDs, 0 SdLazy, 269 SolverSat, 72 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 18.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 469 GetRequests, 449 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18536occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.5s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 3.460280373831776 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 250 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 10.6s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 3789 NumberOfCodeBlocks, 3789 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 3779 ConstructedInterpolants, 0 QuantifiedInterpolants, 1599125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 12532/12637 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...