java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:08:54,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:08:54,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:08:54,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:08:54,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:08:54,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:08:54,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:08:54,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:08:54,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:08:54,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:08:54,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:08:54,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:08:54,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:08:54,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:08:54,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:08:54,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:08:54,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:08:54,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:08:54,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:08:54,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:08:54,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:08:54,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:08:54,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:08:54,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:08:55,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:08:55,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:08:55,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:08:55,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:08:55,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:08:55,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:08:55,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:08:55,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:08:55,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:08:55,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:08:55,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:08:55,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:08:55,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:08:55,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:08:55,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:08:55,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:08:55,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:08:55,012 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:08:55,026 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:08:55,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:08:55,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:08:55,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:08:55,028 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:08:55,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:08:55,029 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:08:55,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:08:55,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:08:55,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:08:55,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:08:55,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:08:55,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:08:55,030 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:08:55,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:08:55,030 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:08:55,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:08:55,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:08:55,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:08:55,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:08:55,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:08:55,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:08:55,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:08:55,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:08:55,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:08:55,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:08:55,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:08:55,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:08:55,033 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:08:55,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:08:55,339 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:08:55,343 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:08:55,344 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:08:55,344 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:08:55,345 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2019-10-14 23:08:55,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f7b4da54/559ee771397b4d1b8f4c08e394d5c65e/FLAGd52812051 [2019-10-14 23:08:56,189 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:08:56,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2019-10-14 23:08:56,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f7b4da54/559ee771397b4d1b8f4c08e394d5c65e/FLAGd52812051 [2019-10-14 23:08:56,268 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f7b4da54/559ee771397b4d1b8f4c08e394d5c65e [2019-10-14 23:08:56,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:08:56,280 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:08:56,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:08:56,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:08:56,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:08:56,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:08:56" (1/1) ... [2019-10-14 23:08:56,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26187d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:56, skipping insertion in model container [2019-10-14 23:08:56,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:08:56" (1/1) ... [2019-10-14 23:08:56,296 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:08:56,412 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:08:57,014 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3496] [2019-10-14 23:08:57,016 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3498-3499] [2019-10-14 23:08:57,017 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3500-3502] [2019-10-14 23:08:57,017 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3503-3504] [2019-10-14 23:08:57,018 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3505] [2019-10-14 23:08:57,019 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3511-3512] [2019-10-14 23:08:57,021 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3513] [2019-10-14 23:08:57,022 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3516] [2019-10-14 23:08:57,039 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3929] [2019-10-14 23:08:57,040 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3930] [2019-10-14 23:08:57,040 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3931] [2019-10-14 23:08:57,040 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3932] [2019-10-14 23:08:57,041 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3933] [2019-10-14 23:08:57,042 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3934] [2019-10-14 23:08:57,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:08:57,836 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:08:57,946 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3496] [2019-10-14 23:08:57,947 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3498-3499] [2019-10-14 23:08:57,947 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3500-3502] [2019-10-14 23:08:57,948 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3503-3504] [2019-10-14 23:08:57,948 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3505] [2019-10-14 23:08:57,949 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3511-3512] [2019-10-14 23:08:57,951 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3513] [2019-10-14 23:08:57,951 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3516] [2019-10-14 23:08:57,965 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3929] [2019-10-14 23:08:57,966 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3930] [2019-10-14 23:08:57,967 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3931] [2019-10-14 23:08:57,967 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3932] [2019-10-14 23:08:57,967 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3933] [2019-10-14 23:08:57,968 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3934] [2019-10-14 23:08:58,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:08:58,429 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:08:58,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:58 WrapperNode [2019-10-14 23:08:58,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:08:58,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:08:58,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:08:58,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:08:58,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:58" (1/1) ... [2019-10-14 23:08:58,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:58" (1/1) ... [2019-10-14 23:08:58,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:58" (1/1) ... [2019-10-14 23:08:58,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:58" (1/1) ... [2019-10-14 23:08:58,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:58" (1/1) ... [2019-10-14 23:08:58,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:58" (1/1) ... [2019-10-14 23:08:58,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:58" (1/1) ... [2019-10-14 23:08:58,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:08:58,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:08:58,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:08:58,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:08:58,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:58" (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 [2019-10-14 23:08:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:08:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:08:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-14 23:08:58,831 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2019-10-14 23:08:58,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-10-14 23:08:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-10-14 23:08:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_3 [2019-10-14 23:08:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2019-10-14 23:08:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-10-14 23:08:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2019-10-14 23:08:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2019-10-14 23:08:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-14 23:08:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2019-10-14 23:08:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-14 23:08:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-14 23:08:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 23:08:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 23:08:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 23:08:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 23:08:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 23:08:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 23:08:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 23:08:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 23:08:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-14 23:08:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-14 23:08:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-10-14 23:08:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-10-14 23:08:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-10-14 23:08:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2019-10-14 23:08:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-14 23:08:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-14 23:08:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-14 23:08:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2019-10-14 23:08:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2019-10-14 23:08:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2019-10-14 23:08:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_startup [2019-10-14 23:08:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_release [2019-10-14 23:08:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2019-10-14 23:08:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_open [2019-10-14 23:08:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_close [2019-10-14 23:08:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_read_int_callback [2019-10-14 23:08:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_callback [2019-10-14 23:08:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write [2019-10-14 23:08:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2019-10-14 23:08:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2019-10-14 23:08:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2019-10-14 23:08:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2019-10-14 23:08:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2019-10-14 23:08:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init [2019-10-14 23:08:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_exit [2019-10-14 23:08:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2019-10-14 23:08:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-10-14 23:08:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:08:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-10-14 23:08:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2019-10-14 23:08:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_5 [2019-10-14 23:08:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_tty_get_6 [2019-10-14 23:08:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_flip_buffer_push_7 [2019-10-14 23:08:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_get_baud_rate_8 [2019-10-14 23:08:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_encode_baud_rate_9 [2019-10-14 23:08:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2019-10-14 23:08:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-14 23:08:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 23:08:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-14 23:08:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_got_tty [2019-10-14 23:08:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2019-10-14 23:08:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-10-14 23:08:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-14 23:08:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-14 23:08:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-10-14 23:08:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-14 23:08:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 23:08:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2019-10-14 23:08:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2019-10-14 23:08:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2019-10-14 23:08:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-14 23:08:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-14 23:08:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2019-10-14 23:08:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-10-14 23:08:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-10-14 23:08:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-10-14 23:08:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-10-14 23:08:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-10-14 23:08:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-14 23:08:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-14 23:08:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-14 23:08:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-14 23:08:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-14 23:08:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2019-10-14 23:08:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-14 23:08:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-10-14 23:08:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2019-10-14 23:08:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2019-10-14 23:08:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-10-14 23:08:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-14 23:08:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 23:08:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 23:08:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 23:08:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-14 23:08:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:08:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 23:08:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-14 23:08:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2019-10-14 23:08:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2019-10-14 23:08:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-14 23:08:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-10-14 23:08:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-14 23:08:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-10-14 23:08:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-10-14 23:08:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-10-14 23:08:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-10-14 23:08:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_flip_buffer_push_7 [2019-10-14 23:08:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-10-14 23:08:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_get_baud_rate_8 [2019-10-14 23:08:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2019-10-14 23:08:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_encode_baud_rate_9 [2019-10-14 23:08:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-10-14 23:08:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_tty_get_6 [2019-10-14 23:08:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-10-14 23:08:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2019-10-14 23:08:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_3 [2019-10-14 23:08:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-10-14 23:08:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_got_tty [2019-10-14 23:08:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2019-10-14 23:08:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 23:08:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2019-10-14 23:08:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-10-14 23:08:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:08:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-14 23:08:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:08:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:08:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2019-10-14 23:08:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2019-10-14 23:08:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 23:08:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-14 23:08:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-10-14 23:08:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2019-10-14 23:08:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-14 23:08:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-14 23:08:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:08:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 23:08:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:08:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-14 23:08:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 23:08:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 23:08:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 23:08:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:08:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 23:08:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 23:08:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 23:08:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 23:08:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 23:08:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 23:08:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 23:08:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-14 23:08:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2019-10-14 23:08:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-10-14 23:08:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-14 23:08:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-10-14 23:08:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-10-14 23:08:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-10-14 23:08:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2019-10-14 23:08:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-14 23:08:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-14 23:08:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-10-14 23:08:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-14 23:08:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_5 [2019-10-14 23:08:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-14 23:08:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-14 23:08:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2019-10-14 23:08:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-14 23:08:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:08:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:08:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-14 23:08:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-14 23:08:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-14 23:08:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-14 23:08:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2019-10-14 23:08:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-14 23:08:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-14 23:08:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2019-10-14 23:08:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2019-10-14 23:08:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-10-14 23:08:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-10-14 23:08:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-10-14 23:08:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-10-14 23:08:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2019-10-14 23:08:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_startup [2019-10-14 23:08:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_release [2019-10-14 23:08:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_open [2019-10-14 23:08:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_close [2019-10-14 23:08:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write [2019-10-14 23:08:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2019-10-14 23:08:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2019-10-14 23:08:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2019-10-14 23:08:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2019-10-14 23:08:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_read_int_callback [2019-10-14 23:08:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_callback [2019-10-14 23:08:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2019-10-14 23:08:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2019-10-14 23:08:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-14 23:08:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-14 23:08:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init [2019-10-14 23:08:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_exit [2019-10-14 23:08:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2019-10-14 23:08:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2019-10-14 23:08:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 23:08:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 23:08:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:08:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-14 23:08:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-14 23:08:58,887 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 23:08:58,887 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:08:58,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:08:58,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:08:58,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:08:58,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 23:08:58,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:08:58,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-14 23:08:58,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-14 23:08:58,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-14 23:08:58,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-14 23:09:00,140 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 23:09:03,276 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-14 23:09:07,155 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:09:07,155 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 23:09:07,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:09:07 BoogieIcfgContainer [2019-10-14 23:09:07,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:09:07,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:09:07,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:09:07,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:09:07,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:08:56" (1/3) ... [2019-10-14 23:09:07,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b25f83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:09:07, skipping insertion in model container [2019-10-14 23:09:07,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:58" (2/3) ... [2019-10-14 23:09:07,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b25f83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:09:07, skipping insertion in model container [2019-10-14 23:09:07,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:09:07" (3/3) ... [2019-10-14 23:09:07,165 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2019-10-14 23:09:07,176 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:09:07,188 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:09:07,201 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:09:07,237 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:09:07,238 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:09:07,238 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:09:07,238 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:09:07,240 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:09:07,241 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:09:07,241 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:09:07,241 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:09:07,286 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states. [2019-10-14 23:09:07,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-14 23:09:07,318 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:09:07,320 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:09:07,322 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:09:07,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:09:07,330 INFO L82 PathProgramCache]: Analyzing trace with hash 2140098197, now seen corresponding path program 1 times [2019-10-14 23:09:07,338 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:09:07,338 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495564732] [2019-10-14 23:09:07,339 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:09:07,339 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:09:07,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:09:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:12,014 WARN L191 SmtUtils]: Spent 3.85 s on a formula simplification that was a NOOP. DAG size: 718 [2019-10-14 23:09:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:12,235 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-14 23:09:12,236 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495564732] [2019-10-14 23:09:12,237 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:09:12,237 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-14 23:09:12,237 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824793439] [2019-10-14 23:09:12,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-14 23:09:12,242 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:09:12,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-14 23:09:12,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-14 23:09:12,258 INFO L87 Difference]: Start difference. First operand 860 states. Second operand 6 states. [2019-10-14 23:09:16,150 WARN L191 SmtUtils]: Spent 3.84 s on a formula simplification that was a NOOP. DAG size: 721 [2019-10-14 23:09:26,103 WARN L191 SmtUtils]: Spent 3.77 s on a formula simplification that was a NOOP. DAG size: 723 [2019-10-14 23:09:30,037 WARN L191 SmtUtils]: Spent 3.70 s on a formula simplification that was a NOOP. DAG size: 720