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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -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 0.1.24-36ac518-m [2019-10-07 12:54:39,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 12:54:39,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 12:54:39,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 12:54:39,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 12:54:39,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 12:54:39,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 12:54:39,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 12:54:39,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 12:54:39,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 12:54:39,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 12:54:39,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 12:54:39,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 12:54:39,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 12:54:39,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 12:54:39,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 12:54:39,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 12:54:39,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 12:54:39,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 12:54:39,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 12:54:39,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 12:54:39,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 12:54:39,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 12:54:39,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 12:54:39,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 12:54:39,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 12:54:39,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 12:54:39,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 12:54:39,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 12:54:39,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 12:54:39,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 12:54:39,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 12:54:39,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 12:54:39,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 12:54:39,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 12:54:39,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 12:54:39,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 12:54:39,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 12:54:39,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 12:54:39,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 12:54:39,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 12:54:39,713 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 12:54:39,746 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 12:54:39,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 12:54:39,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 12:54:39,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 12:54:39,751 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 12:54:39,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 12:54:39,752 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 12:54:39,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 12:54:39,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 12:54:39,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 12:54:39,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 12:54:39,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 12:54:39,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 12:54:39,754 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 12:54:39,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 12:54:39,754 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 12:54:39,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 12:54:39,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 12:54:39,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 12:54:39,755 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 12:54:39,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 12:54:39,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:54:39,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 12:54:39,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 12:54:39,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 12:54:39,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 12:54:39,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 12:54:39,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 12:54:39,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 12:54:40,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 12:54:40,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 12:54:40,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 12:54:40,055 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 12:54:40,055 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 12:54:40,056 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2019-10-07 12:54:40,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1ec54c21/3f8bb068691c43ec90682b2c07bfbaca/FLAGf54204a03 [2019-10-07 12:54:40,891 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 12:54:40,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2019-10-07 12:54:40,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1ec54c21/3f8bb068691c43ec90682b2c07bfbaca/FLAGf54204a03 [2019-10-07 12:54:41,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1ec54c21/3f8bb068691c43ec90682b2c07bfbaca [2019-10-07 12:54:41,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 12:54:41,378 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 12:54:41,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 12:54:41,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 12:54:41,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 12:54:41,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:54:41" (1/1) ... [2019-10-07 12:54:41,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae14eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:41, skipping insertion in model container [2019-10-07 12:54:41,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:54:41" (1/1) ... [2019-10-07 12:54:41,397 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 12:54:41,488 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 12:54:42,120 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3493] [2019-10-07 12:54:42,121 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] [2019-10-07 12:54:42,122 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] [2019-10-07 12:54:42,123 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] [2019-10-07 12:54:42,124 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3502] [2019-10-07 12:54:42,125 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] [2019-10-07 12:54:42,126 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3510] [2019-10-07 12:54:42,127 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] [2019-10-07 12:54:42,147 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] [2019-10-07 12:54:42,149 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] [2019-10-07 12:54:42,150 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] [2019-10-07 12:54:42,151 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] [2019-10-07 12:54:42,152 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] [2019-10-07 12:54:42,153 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] [2019-10-07 12:54:42,155 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3923] [2019-10-07 12:54:42,157 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3924] [2019-10-07 12:54:42,158 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3925] [2019-10-07 12:54:42,158 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3926] [2019-10-07 12:54:42,159 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] [2019-10-07 12:54:42,160 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3928] [2019-10-07 12:54:42,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:54:42,870 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 12:54:43,000 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3493] [2019-10-07 12:54:43,001 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] [2019-10-07 12:54:43,001 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] [2019-10-07 12:54:43,002 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] [2019-10-07 12:54:43,003 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3502] [2019-10-07 12:54:43,003 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] [2019-10-07 12:54:43,004 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3510] [2019-10-07 12:54:43,005 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] [2019-10-07 12:54:43,015 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] [2019-10-07 12:54:43,016 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] [2019-10-07 12:54:43,016 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] [2019-10-07 12:54:43,018 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] [2019-10-07 12:54:43,022 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] [2019-10-07 12:54:43,022 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] [2019-10-07 12:54:43,024 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3923] [2019-10-07 12:54:43,025 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3924] [2019-10-07 12:54:43,026 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3925] [2019-10-07 12:54:43,026 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3926] [2019-10-07 12:54:43,027 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] [2019-10-07 12:54:43,027 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3928] [2019-10-07 12:54:43,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:54:43,290 INFO L192 MainTranslator]: Completed translation [2019-10-07 12:54:43,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:43 WrapperNode [2019-10-07 12:54:43,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 12:54:43,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 12:54:43,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 12:54:43,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 12:54:43,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:43" (1/1) ... [2019-10-07 12:54:43,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:43" (1/1) ... [2019-10-07 12:54:43,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:43" (1/1) ... [2019-10-07 12:54:43,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:43" (1/1) ... [2019-10-07 12:54:43,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:43" (1/1) ... [2019-10-07 12:54:43,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:43" (1/1) ... [2019-10-07 12:54:43,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:43" (1/1) ... [2019-10-07 12:54:43,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 12:54:43,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 12:54:43,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 12:54:43,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 12:54:43,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:54:43,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 12:54:43,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 12:54:43,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-07 12:54:43,711 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2019-10-07 12:54:43,711 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 12:54:43,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-10-07 12:54:43,712 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-10-07 12:54:43,712 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2019-10-07 12:54:43,712 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-10-07 12:54:43,713 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2019-10-07 12:54:43,713 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2019-10-07 12:54:43,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 12:54:43,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2019-10-07 12:54:43,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 12:54:43,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 12:54:43,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 12:54:43,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 12:54:43,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 12:54:43,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 12:54:43,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 12:54:43,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 12:54:43,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 12:54:43,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 12:54:43,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 12:54:43,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-07 12:54:43,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-10-07 12:54:43,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-10-07 12:54:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-10-07 12:54:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-10-07 12:54:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-07 12:54:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure qcprobe [2019-10-07 12:54:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure qcinit [2019-10-07 12:54:43,717 INFO L138 BoogieDeclarations]: Found implementation of procedure qcexit [2019-10-07 12:54:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2019-10-07 12:54:43,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-10-07 12:54:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 12:54:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2019-10-07 12:54:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_5 [2019-10-07 12:54:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_6 [2019-10-07 12:54:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-07 12:54:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 12:54:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-07 12:54:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_got_tty [2019-10-07 12:54:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2019-10-07 12:54:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-10-07 12:54:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 12:54:43,722 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-07 12:54:43,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 12:54:43,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 12:54:43,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_2 [2019-10-07 12:54:43,722 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2019-10-07 12:54:43,722 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 12:54:43,722 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-10-07 12:54:43,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-07 12:54:43,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_autosuspend [2019-10-07 12:54:43,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-07 12:54:43,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-10-07 12:54:43,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2019-10-07 12:54:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2019-10-07 12:54:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-10-07 12:54:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2019-10-07 12:54:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2019-10-07 12:54:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-07 12:54:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2019-10-07 12:54:43,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2019-10-07 12:54:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2019-10-07 12:54:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2019-10-07 12:54:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_release [2019-10-07 12:54:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2019-10-07 12:54:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_startup [2019-10-07 12:54:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2019-10-07 12:54:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2019-10-07 12:54:43,726 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2019-10-07 12:54:43,726 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 12:54:43,726 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 12:54:43,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 12:54:43,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 12:54:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 12:54:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 12:54:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 12:54:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 12:54:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2019-10-07 12:54:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2019-10-07 12:54:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 12:54:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 12:54:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-10-07 12:54:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-07 12:54:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-10-07 12:54:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-10-07 12:54:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-10-07 12:54:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2019-10-07 12:54:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2019-10-07 12:54:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 12:54:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2019-10-07 12:54:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-10-07 12:54:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 12:54:43,735 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-07 12:54:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 12:54:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 12:54:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2019-10-07 12:54:43,736 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2019-10-07 12:54:43,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 12:54:43,737 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 12:54:43,737 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-10-07 12:54:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2019-10-07 12:54:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 12:54:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 12:54:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 12:54:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 12:54:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 12:54:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 12:54:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 12:54:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 12:54:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 12:54:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 12:54:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 12:54:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 12:54:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 12:54:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 12:54:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 12:54:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 12:54:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 12:54:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2019-10-07 12:54:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-10-07 12:54:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-07 12:54:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-10-07 12:54:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-10-07 12:54:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-10-07 12:54:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-10-07 12:54:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 12:54:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_autosuspend [2019-10-07 12:54:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-07 12:54:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_5 [2019-10-07 12:54:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-07 12:54:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-07 12:54:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_6 [2019-10-07 12:54:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-07 12:54:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-10-07 12:54:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-10-07 12:54:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-10-07 12:54:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-10-07 12:54:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2019-10-07 12:54:43,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2019-10-07 12:54:43,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2019-10-07 12:54:43,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2019-10-07 12:54:43,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_startup [2019-10-07 12:54:43,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2019-10-07 12:54:43,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_release [2019-10-07 12:54:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2019-10-07 12:54:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2019-10-07 12:54:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2019-10-07 12:54:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2019-10-07 12:54:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2019-10-07 12:54:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure qcprobe [2019-10-07 12:54:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 12:54:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 12:54:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure qcinit [2019-10-07 12:54:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure qcexit [2019-10-07 12:54:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_2 [2019-10-07 12:54:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 12:54:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 12:54:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 12:54:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 12:54:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-07 12:54:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-07 12:54:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_got_tty [2019-10-07 12:54:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 12:54:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 12:54:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 12:54:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 12:54:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 12:54:43,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 12:54:43,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 12:54:45,002 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 12:54:46,242 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-07 12:54:47,546 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 12:54:47,546 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 12:54:47,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:54:47 BoogieIcfgContainer [2019-10-07 12:54:47,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 12:54:47,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 12:54:47,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 12:54:47,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 12:54:47,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:54:41" (1/3) ... [2019-10-07 12:54:47,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b92ee64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:54:47, skipping insertion in model container [2019-10-07 12:54:47,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:43" (2/3) ... [2019-10-07 12:54:47,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b92ee64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:54:47, skipping insertion in model container [2019-10-07 12:54:47,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:54:47" (3/3) ... [2019-10-07 12:54:47,557 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2019-10-07 12:54:47,567 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 12:54:47,580 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 12:54:47,592 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 12:54:47,634 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 12:54:47,635 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 12:54:47,635 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 12:54:47,635 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 12:54:47,635 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 12:54:47,635 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 12:54:47,635 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 12:54:47,635 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 12:54:47,677 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states. [2019-10-07 12:54:47,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-07 12:54:47,695 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:54:47,697 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:54:47,699 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:54:47,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:54:47,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1247826698, now seen corresponding path program 1 times [2019-10-07 12:54:47,713 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:54:47,713 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:54:47,713 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:54:47,714 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:54:47,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:54:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:54:48,421 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-07 12:54:48,421 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:54:48,422 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:54:48,422 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 12:54:48,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 12:54:48,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 12:54:48,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 12:54:48,446 INFO L87 Difference]: Start difference. First operand 453 states. Second operand 4 states. [2019-10-07 12:54:48,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:54:48,619 INFO L93 Difference]: Finished difference Result 786 states and 1043 transitions. [2019-10-07 12:54:48,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 12:54:48,623 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2019-10-07 12:54:48,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:54:48,653 INFO L225 Difference]: With dead ends: 786 [2019-10-07 12:54:48,653 INFO L226 Difference]: Without dead ends: 362 [2019-10-07 12:54:48,665 INFO L606 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 [2019-10-07 12:54:48,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2019-10-07 12:54:48,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2019-10-07 12:54:48,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2019-10-07 12:54:48,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 478 transitions. [2019-10-07 12:54:48,791 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 478 transitions. Word has length 65 [2019-10-07 12:54:48,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:54:48,793 INFO L462 AbstractCegarLoop]: Abstraction has 362 states and 478 transitions. [2019-10-07 12:54:48,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 12:54:48,793 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 478 transitions. [2019-10-07 12:54:48,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-07 12:54:48,798 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:54:48,799 INFO L385 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] [2019-10-07 12:54:48,799 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:54:48,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:54:48,799 INFO L82 PathProgramCache]: Analyzing trace with hash 924697682, now seen corresponding path program 1 times [2019-10-07 12:54:48,800 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:54:48,800 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:54:48,800 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:54:48,800 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:54:48,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:54:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:54:49,036 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 12:54:49,037 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:54:49,037 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:54:49,037 INFO L95 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 [2019-10-07 12:54:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:54:49,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 2871 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 12:54:49,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:54:49,734 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-07 12:54:49,734 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:54:49,857 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 12:54:49,857 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 12:54:49,904 INFO L162 IcfgInterpreter]: Started Sifa with 55 locations of interest [2019-10-07 12:54:49,904 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 12:54:49,910 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 12:54:49,920 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 12:54:49,921 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 12:55:18,692 WARN L191 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 3838 [2019-10-07 12:55:30,521 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 253 DAG size of output: 205 [2019-10-07 12:55:32,592 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 3876 [2019-10-07 12:55:34,540 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 3876 [2019-10-07 12:55:36,323 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 3876 [2019-10-07 12:55:38,581 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 4016 [2019-10-07 12:55:40,830 WARN L191 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 4016 [2019-10-07 12:55:42,990 WARN L191 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 4016 [2019-10-07 12:55:45,237 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 4016 [2019-10-07 12:55:49,553 WARN L191 SmtUtils]: Spent 4.25 s on a formula simplification. DAG size of input: 4018 DAG size of output: 4016 [2019-10-07 12:55:51,790 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 4016 [2019-10-07 12:55:54,325 WARN L191 SmtUtils]: Spent 2.47 s on a formula simplification that was a NOOP. DAG size: 4016 [2019-10-07 12:55:56,510 WARN L191 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 4016 [2019-10-07 12:55:58,728 WARN L191 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 4016 [2019-10-07 12:56:00,931 WARN L191 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 4016 [2019-10-07 12:56:01,003 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 4052 for LOIs [2019-10-07 12:56:03,270 WARN L191 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 4052 [2019-10-07 12:56:05,471 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 4052 [2019-10-07 12:56:07,983 WARN L191 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 4126 [2019-10-07 12:56:10,317 WARN L191 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 4072 [2019-10-07 12:56:12,557 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 4072 [2019-10-07 12:56:15,094 WARN L191 SmtUtils]: Spent 2.47 s on a formula simplification that was a NOOP. DAG size: 4150 [2019-10-07 12:56:53,051 WARN L191 SmtUtils]: Spent 10.06 s on a formula simplification that was a NOOP. DAG size: 1539 [2019-10-07 12:56:57,698 WARN L191 SmtUtils]: Spent 4.55 s on a formula simplification that was a NOOP. DAG size: 5150 [2019-10-07 12:57:24,486 WARN L191 SmtUtils]: Spent 4.61 s on a formula simplification that was a NOOP. DAG size: 5148 [2019-10-07 12:57:26,839 WARN L191 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 4069 [2019-10-07 12:57:29,085 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 4069 [2019-10-07 12:57:31,732 WARN L191 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 12:57:51,400 WARN L191 SmtUtils]: Spent 9.94 s on a formula simplification that was a NOOP. DAG size: 1539 [2019-10-07 12:57:56,173 WARN L191 SmtUtils]: Spent 4.72 s on a formula simplification that was a NOOP. DAG size: 5123 [2019-10-07 12:58:21,135 WARN L191 SmtUtils]: Spent 4.60 s on a formula simplification that was a NOOP. DAG size: 5121 [2019-10-07 12:58:25,050 WARN L191 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 4151 DAG size of output: 4067 [2019-10-07 12:58:27,253 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 12:58:27,377 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2019-10-07 12:58:30,080 WARN L191 SmtUtils]: Spent 2.70 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 12:58:34,466 WARN L191 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 12:58:36,625 WARN L191 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 12:58:39,136 WARN L191 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 12:58:43,089 WARN L191 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 12:58:45,315 WARN L191 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 12:58:47,923 WARN L191 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 12:58:51,955 WARN L191 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 12:58:54,132 WARN L191 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 12:58:56,632 WARN L191 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 12:59:00,569 WARN L191 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 12:59:02,734 WARN L191 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 12:59:05,226 WARN L191 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 12:59:09,124 WARN L191 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 12:59:11,286 WARN L191 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 12:59:13,791 WARN L191 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 12:59:17,683 WARN L191 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 12:59:19,869 WARN L191 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 12:59:22,414 WARN L191 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 12:59:26,298 WARN L191 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 12:59:28,498 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 12:59:30,979 WARN L191 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 12:59:34,816 WARN L191 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 12:59:36,960 WARN L191 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 12:59:39,443 WARN L191 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 12:59:43,339 WARN L191 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 12:59:45,477 WARN L191 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 12:59:48,012 WARN L191 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 12:59:51,884 WARN L191 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 12:59:54,035 WARN L191 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 12:59:56,556 WARN L191 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:00:00,485 WARN L191 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:00:02,738 WARN L191 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:00:05,225 WARN L191 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:00:09,073 WARN L191 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:00:11,218 WARN L191 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:00:13,729 WARN L191 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:00:17,645 WARN L191 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:00:19,824 WARN L191 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:00:22,360 WARN L191 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:00:26,229 WARN L191 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:00:28,464 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:00:30,988 WARN L191 SmtUtils]: Spent 2.47 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:00:34,912 WARN L191 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:00:37,198 WARN L191 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:00:39,730 WARN L191 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:00:43,807 WARN L191 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:00:45,998 WARN L191 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:00:48,552 WARN L191 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:00:52,502 WARN L191 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:00:54,693 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:00:57,281 WARN L191 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:01:01,244 WARN L191 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:01:03,431 WARN L191 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:01:05,982 WARN L191 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:01:09,957 WARN L191 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:01:12,170 WARN L191 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:01:14,736 WARN L191 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:01:18,713 WARN L191 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:01:20,924 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:01:23,462 WARN L191 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:01:27,527 WARN L191 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:01:29,803 WARN L191 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:01:32,343 WARN L191 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:01:36,341 WARN L191 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:01:38,534 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:01:41,115 WARN L191 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:01:45,115 WARN L191 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:01:47,343 WARN L191 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:01:49,896 WARN L191 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:01:53,893 WARN L191 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:01:56,117 WARN L191 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:01:58,697 WARN L191 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:02:02,719 WARN L191 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:02:04,955 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:02:07,638 WARN L191 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:02:11,650 WARN L191 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:02:13,850 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:02:16,403 WARN L191 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:02:20,429 WARN L191 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:02:22,657 WARN L191 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:02:25,200 WARN L191 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:02:29,239 WARN L191 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:02:31,482 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:02:34,031 WARN L191 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:02:38,025 WARN L191 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 4071 DAG size of output: 4067 [2019-10-07 13:02:40,248 WARN L191 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 4067 [2019-10-07 13:02:42,796 WARN L191 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 4149 [2019-10-07 13:02:45,344 WARN L191 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 4153 [2019-10-07 13:02:47,862 WARN L191 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 4153 [2019-10-07 13:02:47,973 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2019-10-07 13:02:50,565 WARN L191 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 4157 [2019-10-07 13:03:08,683 WARN L191 SmtUtils]: Spent 9.95 s on a formula simplification that was a NOOP. DAG size: 1539 [2019-10-07 13:03:12,674 WARN L191 SmtUtils]: Spent 3.94 s on a formula simplification that was a NOOP. DAG size: 4716 [2019-10-07 13:03:15,027 WARN L191 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-10-07 13:03:19,099 WARN L191 SmtUtils]: Spent 4.06 s on a formula simplification that was a NOOP. DAG size: 4768