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-f4eb214f-m [2019-10-13 19:09:54,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:09:54,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:09:54,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:09:54,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:09:54,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:09:54,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:09:54,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:09:55,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:09:55,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:09:55,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:09:55,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:09:55,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:09:55,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:09:55,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:09:55,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:09:55,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:09:55,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:09:55,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:09:55,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:09:55,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:09:55,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:09:55,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:09:55,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:09:55,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:09:55,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:09:55,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:09:55,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:09:55,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:09:55,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:09:55,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:09:55,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:09:55,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:09:55,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:09:55,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:09:55,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:09:55,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:09:55,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:09:55,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:09:55,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:09:55,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:09:55,053 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 [2019-10-13 19:09:55,091 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:09:55,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:09:55,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:09:55,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:09:55,093 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:09:55,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:09:55,094 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:09:55,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:09:55,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:09:55,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:09:55,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:09:55,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:09:55,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:09:55,095 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:09:55,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:09:55,095 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:09:55,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:09:55,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:09:55,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:09:55,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:09:55,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:09:55,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:09:55,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:09:55,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:09:55,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:09:55,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:09:55,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:09:55,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:09:55,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:09:55,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:09:55,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:09:55,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:09:55,400 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:09:55,400 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:09:55,401 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2019-10-13 19:09:55,479 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adaf46c81/0a86590beefb468aa7fe90b5f4f4e55a/FLAG439670410 [2019-10-13 19:09:56,274 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:09:56,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2019-10-13 19:09:56,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adaf46c81/0a86590beefb468aa7fe90b5f4f4e55a/FLAG439670410 [2019-10-13 19:09:56,374 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adaf46c81/0a86590beefb468aa7fe90b5f4f4e55a [2019-10-13 19:09:56,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:09:56,387 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:09:56,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:09:56,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:09:56,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:09:56,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:09:56" (1/1) ... [2019-10-13 19:09:56,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1431bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:56, skipping insertion in model container [2019-10-13 19:09:56,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:09:56" (1/1) ... [2019-10-13 19:09:56,404 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:09:56,518 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:09:57,127 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3496] [2019-10-13 19:09:57,129 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] [2019-10-13 19:09:57,129 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] [2019-10-13 19:09:57,130 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] [2019-10-13 19:09:57,130 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3505] [2019-10-13 19:09:57,131 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] [2019-10-13 19:09:57,132 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3513] [2019-10-13 19:09:57,134 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] [2019-10-13 19:09:57,157 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3929] [2019-10-13 19:09:57,157 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3930] [2019-10-13 19:09:57,158 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3931] [2019-10-13 19:09:57,158 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3932] [2019-10-13 19:09:57,158 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] [2019-10-13 19:09:57,161 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3934] [2019-10-13 19:09:58,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:09:58,138 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:09:58,249 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3496] [2019-10-13 19:09:58,250 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] [2019-10-13 19:09:58,251 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] [2019-10-13 19:09:58,251 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] [2019-10-13 19:09:58,252 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3505] [2019-10-13 19:09:58,253 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] [2019-10-13 19:09:58,253 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3513] [2019-10-13 19:09:58,254 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] [2019-10-13 19:09:58,262 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3929] [2019-10-13 19:09:58,263 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3930] [2019-10-13 19:09:58,263 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3931] [2019-10-13 19:09:58,263 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3932] [2019-10-13 19:09:58,264 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] [2019-10-13 19:09:58,265 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3934] [2019-10-13 19:09:58,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:09:58,662 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:09:58,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:58 WrapperNode [2019-10-13 19:09:58,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:09:58,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:09:58,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:09:58,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:09:58,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:58" (1/1) ... [2019-10-13 19:09:58,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:58" (1/1) ... [2019-10-13 19:09:58,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:58" (1/1) ... [2019-10-13 19:09:58,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:58" (1/1) ... [2019-10-13 19:09:58,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:58" (1/1) ... [2019-10-13 19:09:58,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:58" (1/1) ... [2019-10-13 19:09:58,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:58" (1/1) ... [2019-10-13 19:09:58,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:09:58,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:09:58,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:09:58,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:09:58,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:58" (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 [2019-10-13 19:09:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:09:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:09:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-13 19:09:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2019-10-13 19:09:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-10-13 19:09:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-10-13 19:09:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_3 [2019-10-13 19:09:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2019-10-13 19:09:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-10-13 19:09:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2019-10-13 19:09:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2019-10-13 19:09:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 19:09:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2019-10-13 19:09:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 19:09:59,040 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 19:09:59,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 19:09:59,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 19:09:59,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 19:09:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 19:09:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 19:09:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 19:09:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 19:09:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 19:09:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 19:09:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-13 19:09:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-10-13 19:09:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-10-13 19:09:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-10-13 19:09:59,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2019-10-13 19:09:59,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-13 19:09:59,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-13 19:09:59,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 19:09:59,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2019-10-13 19:09:59,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2019-10-13 19:09:59,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2019-10-13 19:09:59,044 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_startup [2019-10-13 19:09:59,044 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_release [2019-10-13 19:09:59,045 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2019-10-13 19:09:59,046 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_open [2019-10-13 19:09:59,046 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_close [2019-10-13 19:09:59,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_read_int_callback [2019-10-13 19:09:59,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_callback [2019-10-13 19:09:59,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write [2019-10-13 19:09:59,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2019-10-13 19:09:59,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2019-10-13 19:09:59,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2019-10-13 19:09:59,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2019-10-13 19:09:59,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2019-10-13 19:09:59,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init [2019-10-13 19:09:59,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_exit [2019-10-13 19:09:59,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2019-10-13 19:09:59,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-10-13 19:09:59,050 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:09:59,050 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-10-13 19:09:59,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2019-10-13 19:09:59,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_5 [2019-10-13 19:09:59,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_tty_get_6 [2019-10-13 19:09:59,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_flip_buffer_push_7 [2019-10-13 19:09:59,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_get_baud_rate_8 [2019-10-13 19:09:59,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_encode_baud_rate_9 [2019-10-13 19:09:59,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2019-10-13 19:09:59,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-13 19:09:59,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 19:09:59,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-13 19:09:59,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_got_tty [2019-10-13 19:09:59,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2019-10-13 19:09:59,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-10-13 19:09:59,052 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-13 19:09:59,052 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 19:09:59,053 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-10-13 19:09:59,053 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 19:09:59,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 19:09:59,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2019-10-13 19:09:59,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2019-10-13 19:09:59,054 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2019-10-13 19:09:59,054 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-13 19:09:59,054 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 19:09:59,054 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2019-10-13 19:09:59,054 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-10-13 19:09:59,055 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-10-13 19:09:59,055 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-10-13 19:09:59,055 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-10-13 19:09:59,055 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-10-13 19:09:59,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-13 19:09:59,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-13 19:09:59,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 19:09:59,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-13 19:09:59,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-13 19:09:59,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2019-10-13 19:09:59,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 19:09:59,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-10-13 19:09:59,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2019-10-13 19:09:59,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2019-10-13 19:09:59,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-10-13 19:09:59,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-13 19:09:59,057 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 19:09:59,057 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 19:09:59,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 19:09:59,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 19:09:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:09:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 19:09:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 19:09:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2019-10-13 19:09:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2019-10-13 19:09:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-13 19:09:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-10-13 19:09:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-13 19:09:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-10-13 19:09:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-10-13 19:09:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-10-13 19:09:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-10-13 19:09:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_flip_buffer_push_7 [2019-10-13 19:09:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-10-13 19:09:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_get_baud_rate_8 [2019-10-13 19:09:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2019-10-13 19:09:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_encode_baud_rate_9 [2019-10-13 19:09:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-10-13 19:09:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_tty_get_6 [2019-10-13 19:09:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-10-13 19:09:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2019-10-13 19:09:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_3 [2019-10-13 19:09:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-10-13 19:09:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_got_tty [2019-10-13 19:09:59,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2019-10-13 19:09:59,062 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 19:09:59,062 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2019-10-13 19:09:59,062 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-10-13 19:09:59,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:09:59,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-13 19:09:59,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:09:59,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:09:59,063 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2019-10-13 19:09:59,064 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2019-10-13 19:09:59,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 19:09:59,064 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 19:09:59,064 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-10-13 19:09:59,064 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2019-10-13 19:09:59,065 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 19:09:59,065 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 19:09:59,065 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:09:59,065 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 19:09:59,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:09:59,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 19:09:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 19:09:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 19:09:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 19:09:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:09:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 19:09:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 19:09:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 19:09:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 19:09:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 19:09:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 19:09:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 19:09:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 19:09:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2019-10-13 19:09:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-10-13 19:09:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-13 19:09:59,069 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-10-13 19:09:59,069 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-10-13 19:09:59,069 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-10-13 19:09:59,069 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2019-10-13 19:09:59,069 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 19:09:59,069 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 19:09:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-10-13 19:09:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 19:09:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_5 [2019-10-13 19:09:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-13 19:09:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 19:09:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2019-10-13 19:09:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-13 19:09:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:09:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:09:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-13 19:09:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-13 19:09:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-13 19:09:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-13 19:09:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2019-10-13 19:09:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-13 19:09:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 19:09:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2019-10-13 19:09:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2019-10-13 19:09:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-10-13 19:09:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-10-13 19:09:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-10-13 19:09:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-10-13 19:09:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2019-10-13 19:09:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_startup [2019-10-13 19:09:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_release [2019-10-13 19:09:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_open [2019-10-13 19:09:59,075 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_close [2019-10-13 19:09:59,075 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write [2019-10-13 19:09:59,075 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2019-10-13 19:09:59,075 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2019-10-13 19:09:59,075 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2019-10-13 19:09:59,075 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2019-10-13 19:09:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_read_int_callback [2019-10-13 19:09:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_callback [2019-10-13 19:09:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2019-10-13 19:09:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2019-10-13 19:09:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 19:09:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 19:09:59,077 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init [2019-10-13 19:09:59,077 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_exit [2019-10-13 19:09:59,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2019-10-13 19:09:59,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2019-10-13 19:09:59,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 19:09:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 19:09:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:09:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-13 19:09:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-13 19:09:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 19:09:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:09:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:09:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:09:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:09:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 19:09:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:09:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 19:09:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 19:09:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 19:09:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 19:10:00,684 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 19:10:03,712 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-13 19:10:07,531 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:10:07,532 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 19:10:07,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:10:07 BoogieIcfgContainer [2019-10-13 19:10:07,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:10:07,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:10:07,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:10:07,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:10:07,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:09:56" (1/3) ... [2019-10-13 19:10:07,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb2fa6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:10:07, skipping insertion in model container [2019-10-13 19:10:07,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:58" (2/3) ... [2019-10-13 19:10:07,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb2fa6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:10:07, skipping insertion in model container [2019-10-13 19:10:07,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:10:07" (3/3) ... [2019-10-13 19:10:07,543 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2019-10-13 19:10:07,554 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:10:07,568 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:10:07,578 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:10:07,616 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:10:07,616 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:10:07,617 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:10:07,617 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:10:07,626 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:10:07,627 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:10:07,627 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:10:07,627 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:10:07,676 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states. [2019-10-13 19:10:07,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-13 19:10:07,694 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:10:07,696 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] [2019-10-13 19:10:07,698 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:10:07,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:10:07,705 INFO L82 PathProgramCache]: Analyzing trace with hash 2140098197, now seen corresponding path program 1 times [2019-10-13 19:10:07,714 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:10:07,714 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863848957] [2019-10-13 19:10:07,714 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:10:07,715 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:10:07,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:10:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:11,407 WARN L191 SmtUtils]: Spent 2.91 s on a formula simplification that was a NOOP. DAG size: 718 [2019-10-13 19:10:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-13 19:10:11,639 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863848957] [2019-10-13 19:10:11,639 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:10:11,640 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 19:10:11,640 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042721556] [2019-10-13 19:10:11,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 19:10:11,645 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:10:11,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 19:10:11,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-13 19:10:11,663 INFO L87 Difference]: Start difference. First operand 860 states. Second operand 6 states. [2019-10-13 19:10:14,431 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 721 [2019-10-13 19:10:23,047 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 723 [2019-10-13 19:10:25,898 WARN L191 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 720