/usr/bin/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-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:12:00,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:12:00,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:12:00,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:12:00,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:12:00,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:12:00,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:12:00,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:12:00,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:12:00,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:12:00,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:12:00,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:12:00,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:12:00,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:12:00,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:12:00,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:12:00,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:12:00,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:12:00,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:12:00,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:12:00,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:12:00,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:12:00,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:12:00,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:12:00,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:12:00,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:12:00,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:12:00,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:12:00,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:12:00,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:12:00,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:12:00,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:12:00,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:12:00,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:12:00,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:12:00,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:12:00,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:12:00,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:12:00,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:12:00,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:12:00,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:12:00,444 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 [2019-11-06 21:12:00,463 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:12:00,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:12:00,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:12:00,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:12:00,465 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:12:00,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:12:00,465 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:12:00,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:12:00,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:12:00,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:12:00,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:12:00,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:12:00,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:12:00,467 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:12:00,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:12:00,467 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:12:00,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:12:00,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:12:00,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:12:00,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:12:00,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:12:00,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:12:00,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:12:00,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:12:00,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:12:00,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:12:00,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:12:00,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:12:00,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:12:00,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:12:00,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:12:00,756 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:12:00,758 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:12:00,758 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:12:00,759 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2019-11-06 21:12:00,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aae70f0a/1e5c0bfc01f643d698ee97f6ba68d343/FLAGa4f67d3f8 [2019-11-06 21:12:01,728 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:12:01,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2019-11-06 21:12:01,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aae70f0a/1e5c0bfc01f643d698ee97f6ba68d343/FLAGa4f67d3f8 [2019-11-06 21:12:02,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aae70f0a/1e5c0bfc01f643d698ee97f6ba68d343 [2019-11-06 21:12:02,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:12:02,251 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:12:02,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:12:02,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:12:02,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:12:02,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:12:02" (1/1) ... [2019-11-06 21:12:02,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c825d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:12:02, skipping insertion in model container [2019-11-06 21:12:02,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:12:02" (1/1) ... [2019-11-06 21:12:02,268 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:12:02,374 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:12:02,936 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3493] [2019-11-06 21:12:02,937 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 ) [3495-3496] [2019-11-06 21:12:02,937 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 ) [3497-3499] [2019-11-06 21:12:02,938 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 ) [3500-3501] [2019-11-06 21:12:02,938 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3502] [2019-11-06 21:12:02,939 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 * ) [3508-3509] [2019-11-06 21:12:02,939 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3510] [2019-11-06 21:12:02,940 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3513] [2019-11-06 21:12:02,950 WARN L1068 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] [2019-11-06 21:12:02,951 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name install at C: (*install)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3829] [2019-11-06 21:12:02,952 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name remove at C: (*remove)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3830] [2019-11-06 21:12:02,953 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name poll_init at C: (*poll_init)(struct tty_driver___0 *driver , int line , char *options ) [3861] [2019-11-06 21:12:02,954 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name poll_get_char at C: (*poll_get_char)(struct tty_driver___0 *driver , int line ) [3862] [2019-11-06 21:12:02,954 WARN L1068 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] [2019-11-06 21:12:02,956 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3923] [2019-11-06 21:12:02,957 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3924] [2019-11-06 21:12:02,957 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3925] [2019-11-06 21:12:02,958 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3926] [2019-11-06 21:12:02,958 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3927] [2019-11-06 21:12:02,959 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3928] [2019-11-06 21:12:03,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:12:03,766 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:12:03,905 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3493] [2019-11-06 21:12:03,906 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 ) [3495-3496] [2019-11-06 21:12:03,907 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 ) [3497-3499] [2019-11-06 21:12:03,907 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 ) [3500-3501] [2019-11-06 21:12:03,909 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3502] [2019-11-06 21:12:03,909 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 * ) [3508-3509] [2019-11-06 21:12:03,910 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3510] [2019-11-06 21:12:03,911 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3513] [2019-11-06 21:12:03,922 WARN L1068 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] [2019-11-06 21:12:03,924 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name install at C: (*install)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3829] [2019-11-06 21:12:03,925 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name remove at C: (*remove)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3830] [2019-11-06 21:12:03,927 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name poll_init at C: (*poll_init)(struct tty_driver___0 *driver , int line , char *options ) [3861] [2019-11-06 21:12:03,930 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name poll_get_char at C: (*poll_get_char)(struct tty_driver___0 *driver , int line ) [3862] [2019-11-06 21:12:03,930 WARN L1068 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] [2019-11-06 21:12:03,933 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3923] [2019-11-06 21:12:03,936 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3924] [2019-11-06 21:12:03,937 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3925] [2019-11-06 21:12:03,937 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3926] [2019-11-06 21:12:03,938 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3927] [2019-11-06 21:12:03,939 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3928] [2019-11-06 21:12:04,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:12:04,192 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:12:04,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:12:04 WrapperNode [2019-11-06 21:12:04,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:12:04,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:12:04,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:12:04,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:12:04,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:12:04" (1/1) ... [2019-11-06 21:12:04,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:12:04" (1/1) ... [2019-11-06 21:12:04,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:12:04" (1/1) ... [2019-11-06 21:12:04,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:12:04" (1/1) ... [2019-11-06 21:12:04,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:12:04" (1/1) ... [2019-11-06 21:12:04,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:12:04" (1/1) ... [2019-11-06 21:12:04,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:12:04" (1/1) ... [2019-11-06 21:12:04,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:12:04,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:12:04,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:12:04,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:12:04,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:12:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:12:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:12:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:12:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-11-06 21:12:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2019-11-06 21:12:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-06 21:12:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-11-06 21:12:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-11-06 21:12:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2019-11-06 21:12:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-11-06 21:12:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2019-11-06 21:12:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2019-11-06 21:12:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-06 21:12:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2019-11-06 21:12:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 21:12:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-06 21:12:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 21:12:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-06 21:12:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-06 21:12:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-06 21:12:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-06 21:12:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 21:12:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-06 21:12:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 21:12:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-06 21:12:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-11-06 21:12:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-11-06 21:12:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-11-06 21:12:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-11-06 21:12:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-11-06 21:12:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-11-06 21:12:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure qcprobe [2019-11-06 21:12:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure qcinit [2019-11-06 21:12:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure qcexit [2019-11-06 21:12:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2019-11-06 21:12:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-11-06 21:12:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:12:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2019-11-06 21:12:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_5 [2019-11-06 21:12:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_6 [2019-11-06 21:12:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-11-06 21:12:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 21:12:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-11-06 21:12:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_got_tty [2019-11-06 21:12:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2019-11-06 21:12:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-11-06 21:12:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-06 21:12:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-11-06 21:12:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-06 21:12:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 21:12:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_2 [2019-11-06 21:12:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2019-11-06 21:12:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 21:12:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-11-06 21:12:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-11-06 21:12:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_autosuspend [2019-11-06 21:12:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-11-06 21:12:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-11-06 21:12:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2019-11-06 21:12:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2019-11-06 21:12:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-11-06 21:12:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2019-11-06 21:12:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2019-11-06 21:12:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-11-06 21:12:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2019-11-06 21:12:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2019-11-06 21:12:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2019-11-06 21:12:04,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2019-11-06 21:12:04,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_release [2019-11-06 21:12:04,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2019-11-06 21:12:04,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_startup [2019-11-06 21:12:04,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2019-11-06 21:12:04,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2019-11-06 21:12:04,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2019-11-06 21:12:04,536 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 21:12:04,536 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 21:12:04,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-06 21:12:04,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-06 21:12:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:12:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 21:12:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 21:12:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-06 21:12:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2019-11-06 21:12:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2019-11-06 21:12:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-06 21:12:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-06 21:12:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-11-06 21:12:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-11-06 21:12:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-11-06 21:12:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-11-06 21:12:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-11-06 21:12:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2019-11-06 21:12:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2019-11-06 21:12:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 21:12:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2019-11-06 21:12:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-11-06 21:12:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:12:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-11-06 21:12:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:12:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:12:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2019-11-06 21:12:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2019-11-06 21:12:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 21:12:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-06 21:12:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-11-06 21:12:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2019-11-06 21:12:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 21:12:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-06 21:12:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:12:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-06 21:12:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:12:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 21:12:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 21:12:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 21:12:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:12:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-06 21:12:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-06 21:12:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-06 21:12:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-06 21:12:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-06 21:12:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 21:12:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-06 21:12:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-06 21:12:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2019-11-06 21:12:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-11-06 21:12:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-11-06 21:12:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-11-06 21:12:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-11-06 21:12:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-11-06 21:12:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-11-06 21:12:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-06 21:12:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_autosuspend [2019-11-06 21:12:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-11-06 21:12:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_5 [2019-11-06 21:12:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-11-06 21:12:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-11-06 21:12:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_6 [2019-11-06 21:12:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-11-06 21:12:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-11-06 21:12:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-11-06 21:12:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-11-06 21:12:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-11-06 21:12:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2019-11-06 21:12:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2019-11-06 21:12:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2019-11-06 21:12:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2019-11-06 21:12:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_startup [2019-11-06 21:12:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2019-11-06 21:12:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_release [2019-11-06 21:12:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2019-11-06 21:12:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2019-11-06 21:12:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2019-11-06 21:12:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2019-11-06 21:12:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2019-11-06 21:12:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure qcprobe [2019-11-06 21:12:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:12:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:12:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure qcinit [2019-11-06 21:12:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure qcexit [2019-11-06 21:12:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_2 [2019-11-06 21:12:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 21:12:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 21:12:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:12:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-06 21:12:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-11-06 21:12:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-11-06 21:12:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_got_tty [2019-11-06 21:12:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 21:12:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:12:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:12:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:12:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 21:12:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:12:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:12:06,075 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-06 21:12:07,387 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-11-06 21:12:07,474 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:12:07,474 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 21:12:07,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:12:07 BoogieIcfgContainer [2019-11-06 21:12:07,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:12:07,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:12:07,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:12:07,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:12:07,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:12:02" (1/3) ... [2019-11-06 21:12:07,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b30edab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:12:07, skipping insertion in model container [2019-11-06 21:12:07,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:12:04" (2/3) ... [2019-11-06 21:12:07,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b30edab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:12:07, skipping insertion in model container [2019-11-06 21:12:07,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:12:07" (3/3) ... [2019-11-06 21:12:07,484 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2019-11-06 21:12:07,494 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:12:07,509 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:12:07,527 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:12:07,571 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:12:07,572 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:12:07,572 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:12:07,572 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:12:07,572 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:12:07,572 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:12:07,572 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:12:07,572 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:12:07,615 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states. [2019-11-06 21:12:07,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-06 21:12:07,631 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:12:07,632 INFO L410 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] [2019-11-06 21:12:07,634 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:12:07,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:12:07,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1869792751, now seen corresponding path program 1 times [2019-11-06 21:12:07,650 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:12:07,650 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576800663] [2019-11-06 21:12:07,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:12:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:09,218 WARN L191 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2019-11-06 21:12:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:09,549 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-06 21:12:09,549 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576800663] [2019-11-06 21:12:09,550 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:12:09,551 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 21:12:09,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743600733] [2019-11-06 21:12:09,557 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 21:12:09,557 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:12:09,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 21:12:09,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:12:09,575 INFO L87 Difference]: Start difference. First operand 566 states. Second operand 9 states. [2019-11-06 21:12:10,449 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2019-11-06 21:12:12,413 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2019-11-06 21:12:13,177 WARN L191 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2019-11-06 21:12:18,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:12:18,669 INFO L93 Difference]: Finished difference Result 1014 states and 1364 transitions. [2019-11-06 21:12:18,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-06 21:12:18,673 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2019-11-06 21:12:18,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:12:18,694 INFO L225 Difference]: With dead ends: 1014 [2019-11-06 21:12:18,694 INFO L226 Difference]: Without dead ends: 480 [2019-11-06 21:12:18,702 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2019-11-06 21:12:18,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2019-11-06 21:12:18,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 436. [2019-11-06 21:12:18,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2019-11-06 21:12:18,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 577 transitions. [2019-11-06 21:12:18,858 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 577 transitions. Word has length 70 [2019-11-06 21:12:18,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:12:18,859 INFO L462 AbstractCegarLoop]: Abstraction has 436 states and 577 transitions. [2019-11-06 21:12:18,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 21:12:18,860 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 577 transitions. [2019-11-06 21:12:18,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-06 21:12:18,875 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:12:18,875 INFO L410 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] [2019-11-06 21:12:18,876 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:12:18,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:12:18,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1702084221, now seen corresponding path program 1 times [2019-11-06 21:12:18,876 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:12:18,876 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268172813] [2019-11-06 21:12:18,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:12:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:20,018 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2019-11-06 21:12:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:20,306 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-06 21:12:20,307 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268172813] [2019-11-06 21:12:20,307 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959486305] [2019-11-06 21:12:20,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:12:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:20,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 2874 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 21:12:20,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 21:12:21,008 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-06 21:12:21,008 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 21:12:21,008 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 10 [2019-11-06 21:12:21,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731006040] [2019-11-06 21:12:21,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:12:21,011 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:12:21,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:12:21,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:12:21,011 INFO L87 Difference]: Start difference. First operand 436 states and 577 transitions. Second operand 10 states. [2019-11-06 21:12:21,792 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2019-11-06 21:12:23,668 WARN L191 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2019-11-06 21:12:24,467 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2019-11-06 21:12:25,198 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2019-11-06 21:12:30,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:12:30,644 INFO L93 Difference]: Finished difference Result 896 states and 1195 transitions. [2019-11-06 21:12:30,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-06 21:12:30,645 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 72 [2019-11-06 21:12:30,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:12:30,650 INFO L225 Difference]: With dead ends: 896 [2019-11-06 21:12:30,651 INFO L226 Difference]: Without dead ends: 481 [2019-11-06 21:12:30,653 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2019-11-06 21:12:30,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2019-11-06 21:12:30,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 437. [2019-11-06 21:12:30,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2019-11-06 21:12:30,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 578 transitions. [2019-11-06 21:12:30,724 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 578 transitions. Word has length 72 [2019-11-06 21:12:30,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:12:30,724 INFO L462 AbstractCegarLoop]: Abstraction has 437 states and 578 transitions. [2019-11-06 21:12:30,725 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 21:12:30,725 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 578 transitions. [2019-11-06 21:12:30,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-06 21:12:30,728 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:12:30,729 INFO L410 BasicCegarLoop]: trace histogram [4, 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] [2019-11-06 21:12:30,937 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:12:30,938 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:12:30,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:12:30,939 INFO L82 PathProgramCache]: Analyzing trace with hash -231826991, now seen corresponding path program 2 times [2019-11-06 21:12:30,939 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:12:30,939 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048168798] [2019-11-06 21:12:30,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:12:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:31,776 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2019-11-06 21:12:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:12:32,167 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-06 21:12:32,167 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048168798] [2019-11-06 21:12:32,167 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039146160] [2019-11-06 21:12:32,168 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 21:12:32,903 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-06 21:12:32,903 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-06 21:12:32,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 2886 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-06 21:12:32,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 21:12:32,926 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-06 21:12:32,927 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 21:12:32,927 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6] total 11 [2019-11-06 21:12:32,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694031369] [2019-11-06 21:12:32,928 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:12:32,928 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:12:32,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:12:32,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:12:32,929 INFO L87 Difference]: Start difference. First operand 437 states and 578 transitions. Second operand 11 states. [2019-11-06 21:12:33,620 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2019-11-06 21:12:35,471 WARN L191 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2019-11-06 21:12:36,201 WARN L191 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2019-11-06 21:12:36,918 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2019-11-06 21:12:37,603 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 309