java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 11:30:00,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 11:30:00,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 11:30:00,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 11:30:00,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 11:30:00,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 11:30:00,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 11:30:00,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 11:30:00,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 11:30:00,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 11:30:00,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 11:30:00,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 11:30:00,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 11:30:00,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 11:30:00,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 11:30:00,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 11:30:00,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 11:30:00,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 11:30:00,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 11:30:00,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 11:30:00,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 11:30:00,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 11:30:00,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 11:30:00,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 11:30:00,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 11:30:00,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 11:30:00,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 11:30:00,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 11:30:00,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 11:30:00,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 11:30:00,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 11:30:00,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 11:30:00,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 11:30:00,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 11:30:00,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 11:30:00,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 11:30:00,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 11:30:00,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 11:30:00,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 11:30:00,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 11:30:00,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 11:30:00,679 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 11:30:00,698 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 11:30:00,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 11:30:00,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 11:30:00,699 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 11:30:00,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 11:30:00,700 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 11:30:00,701 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 11:30:00,701 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 11:30:00,701 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 11:30:00,702 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 11:30:00,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 11:30:00,704 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 11:30:00,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 11:30:00,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 11:30:00,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 11:30:00,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 11:30:00,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 11:30:00,705 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 11:30:00,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 11:30:00,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 11:30:00,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 11:30:00,706 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 11:30:00,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 11:30:00,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 11:30:00,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 11:30:00,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 11:30:00,708 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 11:30:00,708 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 11:30:00,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 11:30:00,708 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 11:30:00,744 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 11:30:00,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 11:30:00,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 11:30:00,761 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 11:30:00,761 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 11:30:00,762 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2019-09-10 11:30:00,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65f24e7a0/a7f26317db3945578149791e3d35723e/FLAGcefeebd54 [2019-09-10 11:30:01,632 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 11:30:01,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2019-09-10 11:30:01,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65f24e7a0/a7f26317db3945578149791e3d35723e/FLAGcefeebd54 [2019-09-10 11:30:02,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65f24e7a0/a7f26317db3945578149791e3d35723e [2019-09-10 11:30:02,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 11:30:02,197 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 11:30:02,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 11:30:02,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 11:30:02,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 11:30:02,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:30:02" (1/1) ... [2019-09-10 11:30:02,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebf076f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:30:02, skipping insertion in model container [2019-09-10 11:30:02,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:30:02" (1/1) ... [2019-09-10 11:30:02,215 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 11:30:02,359 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 11:30:02,930 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3493] [2019-09-10 11:30:02,932 WARN L1127 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 ) [3495-3496] [2019-09-10 11:30:02,933 WARN L1127 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 ) [3497-3499] [2019-09-10 11:30:02,933 WARN L1127 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 ) [3500-3501] [2019-09-10 11:30:02,934 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3502] [2019-09-10 11:30:02,937 WARN L1127 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 * ) [3508-3509] [2019-09-10 11:30:02,938 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3510] [2019-09-10 11:30:02,939 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3513] [2019-09-10 11:30:02,956 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name lookup at C: *(*lookup)(struct tty_driver___0 *driver , struct inode___0 *inode , int idx ) [3827-3828] [2019-09-10 11:30:02,957 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name install at C: (*install)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3829] [2019-09-10 11:30:02,958 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name remove at C: (*remove)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3830] [2019-09-10 11:30:02,959 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name poll_init at C: (*poll_init)(struct tty_driver___0 *driver , int line , char *options ) [3861] [2019-09-10 11:30:02,960 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name poll_get_char at C: (*poll_get_char)(struct tty_driver___0 *driver , int line ) [3862] [2019-09-10 11:30:02,962 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name poll_put_char at C: (*poll_put_char)(struct tty_driver___0 *driver , int line , char ch ) [3863] [2019-09-10 11:30:02,965 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3923] [2019-09-10 11:30:02,966 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3924] [2019-09-10 11:30:02,966 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3925] [2019-09-10 11:30:02,966 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3926] [2019-09-10 11:30:02,967 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3927] [2019-09-10 11:30:02,968 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3928] [2019-09-10 11:30:03,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:30:03,625 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 11:30:03,713 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3493] [2019-09-10 11:30:03,713 WARN L1127 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 ) [3495-3496] [2019-09-10 11:30:03,714 WARN L1127 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 ) [3497-3499] [2019-09-10 11:30:03,714 WARN L1127 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 ) [3500-3501] [2019-09-10 11:30:03,714 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3502] [2019-09-10 11:30:03,715 WARN L1127 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 * ) [3508-3509] [2019-09-10 11:30:03,715 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3510] [2019-09-10 11:30:03,716 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3513] [2019-09-10 11:30:03,721 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name lookup at C: *(*lookup)(struct tty_driver___0 *driver , struct inode___0 *inode , int idx ) [3827-3828] [2019-09-10 11:30:03,722 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name install at C: (*install)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3829] [2019-09-10 11:30:03,722 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name remove at C: (*remove)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3830] [2019-09-10 11:30:03,723 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name poll_init at C: (*poll_init)(struct tty_driver___0 *driver , int line , char *options ) [3861] [2019-09-10 11:30:03,724 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name poll_get_char at C: (*poll_get_char)(struct tty_driver___0 *driver , int line ) [3862] [2019-09-10 11:30:03,724 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name poll_put_char at C: (*poll_put_char)(struct tty_driver___0 *driver , int line , char ch ) [3863] [2019-09-10 11:30:03,726 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3923] [2019-09-10 11:30:03,726 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3924] [2019-09-10 11:30:03,727 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3925] [2019-09-10 11:30:03,727 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3926] [2019-09-10 11:30:03,728 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3927] [2019-09-10 11:30:03,729 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3928] [2019-09-10 11:30:03,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:30:03,982 INFO L192 MainTranslator]: Completed translation [2019-09-10 11:30:03,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:30:03 WrapperNode [2019-09-10 11:30:03,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 11:30:03,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 11:30:03,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 11:30:03,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 11:30:03,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:30:03" (1/1) ... [2019-09-10 11:30:04,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:30:03" (1/1) ... [2019-09-10 11:30:04,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:30:03" (1/1) ... [2019-09-10 11:30:04,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:30:03" (1/1) ... [2019-09-10 11:30:04,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:30:03" (1/1) ... [2019-09-10 11:30:04,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:30:03" (1/1) ... [2019-09-10 11:30:04,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:30:03" (1/1) ... [2019-09-10 11:30:04,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 11:30:04,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 11:30:04,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 11:30:04,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 11:30:04,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:30:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 11:30:04,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 11:30:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 11:30:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-09-10 11:30:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2019-09-10 11:30:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 11:30:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-09-10 11:30:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-09-10 11:30:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2019-09-10 11:30:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-09-10 11:30:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2019-09-10 11:30:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2019-09-10 11:30:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 11:30:04,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2019-09-10 11:30:04,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 11:30:04,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 11:30:04,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 11:30:04,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 11:30:04,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 11:30:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 11:30:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 11:30:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 11:30:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 11:30:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 11:30:04,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 11:30:04,384 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-09-10 11:30:04,384 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-09-10 11:30:04,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-09-10 11:30:04,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-09-10 11:30:04,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-09-10 11:30:04,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-09-10 11:30:04,385 INFO L138 BoogieDeclarations]: Found implementation of procedure qcprobe [2019-09-10 11:30:04,386 INFO L138 BoogieDeclarations]: Found implementation of procedure qcinit [2019-09-10 11:30:04,386 INFO L138 BoogieDeclarations]: Found implementation of procedure qcexit [2019-09-10 11:30:04,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2019-09-10 11:30:04,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-09-10 11:30:04,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 11:30:04,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2019-09-10 11:30:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_5 [2019-09-10 11:30:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_6 [2019-09-10 11:30:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-09-10 11:30:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 11:30:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-09-10 11:30:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_got_tty [2019-09-10 11:30:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2019-09-10 11:30:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-09-10 11:30:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 11:30:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-09-10 11:30:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-10 11:30:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 11:30:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_2 [2019-09-10 11:30:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2019-09-10 11:30:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 11:30:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-09-10 11:30:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-10 11:30:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_autosuspend [2019-09-10 11:30:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-10 11:30:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-09-10 11:30:04,395 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2019-09-10 11:30:04,395 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2019-09-10 11:30:04,395 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-09-10 11:30:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2019-09-10 11:30:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2019-09-10 11:30:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-09-10 11:30:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2019-09-10 11:30:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2019-09-10 11:30:04,397 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2019-09-10 11:30:04,397 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2019-09-10 11:30:04,397 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_release [2019-09-10 11:30:04,397 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2019-09-10 11:30:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_startup [2019-09-10 11:30:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2019-09-10 11:30:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2019-09-10 11:30:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2019-09-10 11:30:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 11:30:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 11:30:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 11:30:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 11:30:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 11:30:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 11:30:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 11:30:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 11:30:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2019-09-10 11:30:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2019-09-10 11:30:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 11:30:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 11:30:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-09-10 11:30:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-09-10 11:30:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-09-10 11:30:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-09-10 11:30:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-09-10 11:30:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2019-09-10 11:30:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2019-09-10 11:30:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 11:30:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2019-09-10 11:30:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-09-10 11:30:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 11:30:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-09-10 11:30:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 11:30:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 11:30:04,409 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2019-09-10 11:30:04,410 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2019-09-10 11:30:04,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 11:30:04,411 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 11:30:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-09-10 11:30:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2019-09-10 11:30:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 11:30:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 11:30:04,418 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 11:30:04,418 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 11:30:04,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 11:30:04,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 11:30:04,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 11:30:04,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 11:30:04,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 11:30:04,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 11:30:04,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 11:30:04,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 11:30:04,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 11:30:04,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 11:30:04,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 11:30:04,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 11:30:04,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 11:30:04,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2019-09-10 11:30:04,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-09-10 11:30:04,421 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-09-10 11:30:04,421 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-09-10 11:30:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-09-10 11:30:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-09-10 11:30:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-09-10 11:30:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-10 11:30:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_autosuspend [2019-09-10 11:30:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-10 11:30:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_5 [2019-09-10 11:30:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-09-10 11:30:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-10 11:30:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_6 [2019-09-10 11:30:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-09-10 11:30:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-09-10 11:30:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-09-10 11:30:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-09-10 11:30:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-09-10 11:30:04,425 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2019-09-10 11:30:04,425 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2019-09-10 11:30:04,425 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2019-09-10 11:30:04,425 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2019-09-10 11:30:04,425 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_startup [2019-09-10 11:30:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2019-09-10 11:30:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_release [2019-09-10 11:30:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2019-09-10 11:30:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2019-09-10 11:30:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2019-09-10 11:30:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2019-09-10 11:30:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2019-09-10 11:30:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure qcprobe [2019-09-10 11:30:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 11:30:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 11:30:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure qcinit [2019-09-10 11:30:04,428 INFO L130 BoogieDeclarations]: Found specification of procedure qcexit [2019-09-10 11:30:04,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_2 [2019-09-10 11:30:04,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 11:30:04,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 11:30:04,428 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 11:30:04,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 11:30:04,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-09-10 11:30:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-09-10 11:30:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_got_tty [2019-09-10 11:30:04,430 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 11:30:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 11:30:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 11:30:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 11:30:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 11:30:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 11:30:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 11:30:05,681 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 11:30:06,893 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-09-10 11:30:06,951 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 11:30:06,952 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 11:30:06,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:30:06 BoogieIcfgContainer [2019-09-10 11:30:06,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 11:30:06,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 11:30:06,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 11:30:06,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 11:30:06,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 11:30:02" (1/3) ... [2019-09-10 11:30:06,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ec367f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:30:06, skipping insertion in model container [2019-09-10 11:30:06,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:30:03" (2/3) ... [2019-09-10 11:30:06,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ec367f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:30:06, skipping insertion in model container [2019-09-10 11:30:06,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:30:06" (3/3) ... [2019-09-10 11:30:06,965 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2019-09-10 11:30:06,980 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 11:30:07,000 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 11:30:07,024 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 11:30:07,073 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 11:30:07,074 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 11:30:07,074 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 11:30:07,074 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 11:30:07,074 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 11:30:07,074 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 11:30:07,074 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 11:30:07,074 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 11:30:07,121 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states. [2019-09-10 11:30:07,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-10 11:30:07,166 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:30:07,168 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:30:07,173 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:30:07,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:30:07,179 INFO L82 PathProgramCache]: Analyzing trace with hash -675811149, now seen corresponding path program 1 times [2019-09-10 11:30:07,182 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:30:07,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:30:07,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:30:07,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:30:07,276 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:30:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:30:08,048 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-10 11:30:08,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:30:08,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 11:30:08,052 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:30:08,058 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 11:30:08,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 11:30:08,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 11:30:08,082 INFO L87 Difference]: Start difference. First operand 567 states. Second operand 4 states. [2019-09-10 11:30:08,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:30:08,237 INFO L93 Difference]: Finished difference Result 446 states and 593 transitions. [2019-09-10 11:30:08,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-10 11:30:08,239 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2019-09-10 11:30:08,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:30:08,260 INFO L225 Difference]: With dead ends: 446 [2019-09-10 11:30:08,260 INFO L226 Difference]: Without dead ends: 437 [2019-09-10 11:30:08,263 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:30:08,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2019-09-10 11:30:08,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2019-09-10 11:30:08,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2019-09-10 11:30:08,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 579 transitions. [2019-09-10 11:30:08,391 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 579 transitions. Word has length 70 [2019-09-10 11:30:08,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:30:08,398 INFO L475 AbstractCegarLoop]: Abstraction has 437 states and 579 transitions. [2019-09-10 11:30:08,398 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 11:30:08,398 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 579 transitions. [2019-09-10 11:30:08,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-10 11:30:08,409 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:30:08,409 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:30:08,411 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:30:08,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:30:08,412 INFO L82 PathProgramCache]: Analyzing trace with hash -443797973, now seen corresponding path program 1 times [2019-09-10 11:30:08,412 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:30:08,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:30:08,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:30:08,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:30:08,424 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:30:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:30:08,892 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-10 11:30:08,893 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 11:30:08,893 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 11:30:08,894 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 73 with the following transitions: [2019-09-10 11:30:08,897 INFO L207 CegarAbsIntRunner]: [134], [136], [138], [140], [143], [145], [147], [502], [505], [508], [520], [523], [526], [528], [531], [691], [692], [717], [719], [722], [727], [1007], [1069], [1071], [1074], [1084], [1125], [1129], [1131], [1132], [1137], [1138], [1156], [1157], [1158], [1162], [1165], [1169], [1191], [1192], [1193], [1194], [1195], [1196], [1197], [1198], [1199], [1200], [1201], [1202], [1265], [1266], [1287], [1288], [1289], [1305], [1306], [1371], [1372], [1399], [1400], [1401] [2019-09-10 11:30:08,984 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 11:30:08,985 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 11:30:09,158 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 11:30:09,160 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 110 root evaluator evaluations with a maximum evaluation depth of 0. Performed 110 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 244 variables. [2019-09-10 11:30:09,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:30:09,165 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 11:30:09,246 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 11:30:09,246 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 11:30:09,252 INFO L420 sIntCurrentIteration]: We unified 71 AI predicates to 71 [2019-09-10 11:30:09,252 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 11:30:09,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 11:30:09,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2019-09-10 11:30:09,253 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:30:09,256 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 11:30:09,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 11:30:09,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:30:09,257 INFO L87 Difference]: Start difference. First operand 437 states and 579 transitions. Second operand 2 states. [2019-09-10 11:30:09,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:30:09,258 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 11:30:09,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 11:30:09,258 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 72 [2019-09-10 11:30:09,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:30:09,259 INFO L225 Difference]: With dead ends: 2 [2019-09-10 11:30:09,259 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 11:30:09,260 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:30:09,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 11:30:09,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 11:30:09,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 11:30:09,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 11:30:09,261 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2019-09-10 11:30:09,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:30:09,261 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 11:30:09,261 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 11:30:09,262 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 11:30:09,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 11:30:09,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 11:30:09 BoogieIcfgContainer [2019-09-10 11:30:09,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 11:30:09,273 INFO L168 Benchmark]: Toolchain (without parser) took 7074.49 ms. Allocated memory was 133.7 MB in the beginning and 354.9 MB in the end (delta: 221.2 MB). Free memory was 80.9 MB in the beginning and 204.6 MB in the end (delta: -123.7 MB). Peak memory consumption was 97.5 MB. Max. memory is 7.1 GB. [2019-09-10 11:30:09,274 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-10 11:30:09,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1784.66 ms. Allocated memory was 133.7 MB in the beginning and 218.6 MB in the end (delta: 84.9 MB). Free memory was 80.4 MB in the beginning and 111.5 MB in the end (delta: -31.0 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. [2019-09-10 11:30:09,277 INFO L168 Benchmark]: Boogie Preprocessor took 298.32 ms. Allocated memory is still 218.6 MB. Free memory was 111.5 MB in the beginning and 98.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-09-10 11:30:09,278 INFO L168 Benchmark]: RCFGBuilder took 2671.93 ms. Allocated memory was 218.6 MB in the beginning and 267.9 MB in the end (delta: 49.3 MB). Free memory was 98.6 MB in the beginning and 116.2 MB in the end (delta: -17.6 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. [2019-09-10 11:30:09,280 INFO L168 Benchmark]: TraceAbstraction took 2314.12 ms. Allocated memory was 267.9 MB in the beginning and 354.9 MB in the end (delta: 87.0 MB). Free memory was 116.2 MB in the beginning and 204.6 MB in the end (delta: -88.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 11:30:09,290 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1784.66 ms. Allocated memory was 133.7 MB in the beginning and 218.6 MB in the end (delta: 84.9 MB). Free memory was 80.4 MB in the beginning and 111.5 MB in the end (delta: -31.0 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 298.32 ms. Allocated memory is still 218.6 MB. Free memory was 111.5 MB in the beginning and 98.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2671.93 ms. Allocated memory was 218.6 MB in the beginning and 267.9 MB in the end (delta: 49.3 MB). Free memory was 98.6 MB in the beginning and 116.2 MB in the end (delta: -17.6 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2314.12 ms. Allocated memory was 267.9 MB in the beginning and 354.9 MB in the end (delta: 87.0 MB). Free memory was 116.2 MB in the beginning and 204.6 MB in the end (delta: -88.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4374]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 77 procedures, 595 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 2 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 589 SDtfs, 2 SDslu, 1173 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=567occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.9859154929577465 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 11419 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 30/37 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...