java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:21:59,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:21:59,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:21:59,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:21:59,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:21:59,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:21:59,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:21:59,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:21:59,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:21:59,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:21:59,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:21:59,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:21:59,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:21:59,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:21:59,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:21:59,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:21:59,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:21:59,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:21:59,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:21:59,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:21:59,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:21:59,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:21:59,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:21:59,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:21:59,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:21:59,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:21:59,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:21:59,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:21:59,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:21:59,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:21:59,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:21:59,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:21:59,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:21:59,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:21:59,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:21:59,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:21:59,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:21:59,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:21:59,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:21:59,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:21:59,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:21:59,892 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 [2019-09-20 13:21:59,916 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:21:59,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:21:59,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:21:59,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:21:59,919 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:21:59,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:21:59,920 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:21:59,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:21:59,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:21:59,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:21:59,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:21:59,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:21:59,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:21:59,923 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:21:59,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:21:59,923 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:21:59,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:21:59,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:21:59,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:21:59,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:21:59,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:21:59,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:21:59,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:21:59,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:21:59,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:21:59,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:21:59,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:21:59,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:21:59,926 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:21:59,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:22:00,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:22:00,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:22:00,006 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:22:00,007 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:22:00,008 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2019-09-20 13:22:00,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a39d4a81d/4e16ddb6b3154d119c684cac15672966/FLAG454f7c226 [2019-09-20 13:22:00,879 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:22:00,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2019-09-20 13:22:00,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a39d4a81d/4e16ddb6b3154d119c684cac15672966/FLAG454f7c226 [2019-09-20 13:22:01,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a39d4a81d/4e16ddb6b3154d119c684cac15672966 [2019-09-20 13:22:01,374 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:22:01,376 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:22:01,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:22:01,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:22:01,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:22:01,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:22:01" (1/1) ... [2019-09-20 13:22:01,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd90246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:01, skipping insertion in model container [2019-09-20 13:22:01,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:22:01" (1/1) ... [2019-09-20 13:22:01,395 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:22:01,525 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:22:02,145 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3496] [2019-09-20 13:22:02,147 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3498-3499] [2019-09-20 13:22:02,147 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3500-3502] [2019-09-20 13:22:02,148 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3503-3504] [2019-09-20 13:22:02,149 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3505] [2019-09-20 13:22:02,155 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3511-3512] [2019-09-20 13:22:02,155 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3513] [2019-09-20 13:22:02,158 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3516] [2019-09-20 13:22:02,177 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3929] [2019-09-20 13:22:02,178 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3930] [2019-09-20 13:22:02,179 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3931] [2019-09-20 13:22:02,179 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3932] [2019-09-20 13:22:02,180 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3933] [2019-09-20 13:22:02,180 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3934] [2019-09-20 13:22:02,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:22:03,028 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:22:03,127 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3496] [2019-09-20 13:22:03,128 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3498-3499] [2019-09-20 13:22:03,129 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3500-3502] [2019-09-20 13:22:03,129 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3503-3504] [2019-09-20 13:22:03,130 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3505] [2019-09-20 13:22:03,131 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3511-3512] [2019-09-20 13:22:03,131 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3513] [2019-09-20 13:22:03,132 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3516] [2019-09-20 13:22:03,142 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3929] [2019-09-20 13:22:03,142 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3930] [2019-09-20 13:22:03,143 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3931] [2019-09-20 13:22:03,143 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3932] [2019-09-20 13:22:03,143 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3933] [2019-09-20 13:22:03,144 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3934] [2019-09-20 13:22:03,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:22:03,630 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:22:03,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:03 WrapperNode [2019-09-20 13:22:03,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:22:03,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:22:03,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:22:03,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:22:03,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:03" (1/1) ... [2019-09-20 13:22:03,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:03" (1/1) ... [2019-09-20 13:22:03,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:03" (1/1) ... [2019-09-20 13:22:03,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:03" (1/1) ... [2019-09-20 13:22:03,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:03" (1/1) ... [2019-09-20 13:22:03,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:03" (1/1) ... [2019-09-20 13:22:03,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:03" (1/1) ... [2019-09-20 13:22:03,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:22:03,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:22:03,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:22:03,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:22:03,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:22:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:22:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:22:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-09-20 13:22:03,958 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2019-09-20 13:22:03,958 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-09-20 13:22:03,958 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-09-20 13:22:03,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_3 [2019-09-20 13:22:03,958 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2019-09-20 13:22:03,958 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-09-20 13:22:03,958 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2019-09-20 13:22:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2019-09-20 13:22:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:22:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2019-09-20 13:22:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:22:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:22:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:22:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 13:22:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 13:22:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 13:22:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 13:22:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:22:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:22:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:22:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-20 13:22:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-09-20 13:22:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-09-20 13:22:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-09-20 13:22:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-09-20 13:22:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2019-09-20 13:22:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-09-20 13:22:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-09-20 13:22:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 13:22:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2019-09-20 13:22:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2019-09-20 13:22:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2019-09-20 13:22:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_startup [2019-09-20 13:22:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_release [2019-09-20 13:22:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2019-09-20 13:22:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_open [2019-09-20 13:22:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_close [2019-09-20 13:22:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_read_int_callback [2019-09-20 13:22:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_callback [2019-09-20 13:22:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write [2019-09-20 13:22:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2019-09-20 13:22:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2019-09-20 13:22:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2019-09-20 13:22:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2019-09-20 13:22:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2019-09-20 13:22:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init [2019-09-20 13:22:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_exit [2019-09-20 13:22:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2019-09-20 13:22:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-09-20 13:22:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:22:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-09-20 13:22:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2019-09-20 13:22:03,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_5 [2019-09-20 13:22:03,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_tty_get_6 [2019-09-20 13:22:03,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_flip_buffer_push_7 [2019-09-20 13:22:03,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_get_baud_rate_8 [2019-09-20 13:22:03,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_encode_baud_rate_9 [2019-09-20 13:22:03,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2019-09-20 13:22:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-09-20 13:22:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:22:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-09-20 13:22:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_got_tty [2019-09-20 13:22:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2019-09-20 13:22:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-09-20 13:22:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-09-20 13:22:03,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-20 13:22:03,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-09-20 13:22:03,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 13:22:03,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:22:03,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2019-09-20 13:22:03,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2019-09-20 13:22:03,968 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2019-09-20 13:22:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-20 13:22:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:22:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2019-09-20 13:22:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-09-20 13:22:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-09-20 13:22:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-09-20 13:22:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-09-20 13:22:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-09-20 13:22:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-20 13:22:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-20 13:22:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 13:22:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-20 13:22:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-20 13:22:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2019-09-20 13:22:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 13:22:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-09-20 13:22:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2019-09-20 13:22:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2019-09-20 13:22:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-09-20 13:22:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-20 13:22:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:22:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:22:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 13:22:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:22:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:22:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:22:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:22:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2019-09-20 13:22:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2019-09-20 13:22:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-20 13:22:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-09-20 13:22:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-09-20 13:22:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-09-20 13:22:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-09-20 13:22:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-09-20 13:22:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-09-20 13:22:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_flip_buffer_push_7 [2019-09-20 13:22:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-09-20 13:22:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_get_baud_rate_8 [2019-09-20 13:22:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2019-09-20 13:22:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_encode_baud_rate_9 [2019-09-20 13:22:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-09-20 13:22:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_tty_get_6 [2019-09-20 13:22:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-09-20 13:22:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2019-09-20 13:22:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_3 [2019-09-20 13:22:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-09-20 13:22:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_got_tty [2019-09-20 13:22:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2019-09-20 13:22:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:22:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2019-09-20 13:22:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-09-20 13:22:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:22:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-09-20 13:22:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:22:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:22:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2019-09-20 13:22:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2019-09-20 13:22:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:22:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:22:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-09-20 13:22:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2019-09-20 13:22:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:22:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:22:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:22:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:22:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:22:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:22:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:22:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:22:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:22:03,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:22:03,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 13:22:03,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 13:22:03,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 13:22:03,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 13:22:03,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 13:22:03,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:22:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:22:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-20 13:22:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2019-09-20 13:22:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-09-20 13:22:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-09-20 13:22:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-09-20 13:22:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-09-20 13:22:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-09-20 13:22:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2019-09-20 13:22:03,982 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-20 13:22:03,982 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 13:22:03,982 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-09-20 13:22:03,982 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 13:22:03,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_5 [2019-09-20 13:22:03,982 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-09-20 13:22:03,982 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 13:22:03,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2019-09-20 13:22:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-09-20 13:22:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:22:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:22:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-20 13:22:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-20 13:22:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-20 13:22:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-20 13:22:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2019-09-20 13:22:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-20 13:22:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 13:22:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2019-09-20 13:22:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2019-09-20 13:22:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-09-20 13:22:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-09-20 13:22:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-09-20 13:22:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-09-20 13:22:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2019-09-20 13:22:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_startup [2019-09-20 13:22:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_release [2019-09-20 13:22:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_open [2019-09-20 13:22:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_close [2019-09-20 13:22:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write [2019-09-20 13:22:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2019-09-20 13:22:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2019-09-20 13:22:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2019-09-20 13:22:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2019-09-20 13:22:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_read_int_callback [2019-09-20 13:22:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_callback [2019-09-20 13:22:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2019-09-20 13:22:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2019-09-20 13:22:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:22:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:22:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init [2019-09-20 13:22:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_exit [2019-09-20 13:22:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2019-09-20 13:22:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2019-09-20 13:22:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:22:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:22:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:22:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-09-20 13:22:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-09-20 13:22:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:22:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:22:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:22:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:22:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:22:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:22:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:22:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:22:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:22:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:22:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:22:05,209 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:22:08,959 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-09-20 13:22:12,482 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:22:12,482 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:22:12,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:22:12 BoogieIcfgContainer [2019-09-20 13:22:12,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:22:12,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:22:12,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:22:12,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:22:12,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:22:01" (1/3) ... [2019-09-20 13:22:12,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51655e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:22:12, skipping insertion in model container [2019-09-20 13:22:12,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:22:03" (2/3) ... [2019-09-20 13:22:12,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51655e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:22:12, skipping insertion in model container [2019-09-20 13:22:12,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:22:12" (3/3) ... [2019-09-20 13:22:12,497 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2019-09-20 13:22:12,508 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:22:12,519 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:22:12,536 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:22:12,584 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:22:12,584 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:22:12,584 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:22:12,585 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:22:12,585 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:22:12,585 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:22:12,585 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:22:12,585 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:22:12,585 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:22:12,625 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states. [2019-09-20 13:22:12,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-20 13:22:12,646 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:22:12,647 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:22:12,649 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:22:12,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:22:12,655 INFO L82 PathProgramCache]: Analyzing trace with hash 2140098197, now seen corresponding path program 1 times [2019-09-20 13:22:12,657 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:22:12,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:22:12,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:12,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:22:12,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:22:13,447 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-20 13:22:13,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:22:13,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:22:13,454 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:22:13,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:22:13,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:22:13,472 INFO L87 Difference]: Start difference. First operand 860 states. Second operand 3 states. [2019-09-20 13:22:13,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:22:13,958 INFO L93 Difference]: Finished difference Result 1684 states and 2289 transitions. [2019-09-20 13:22:13,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:22:13,960 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2019-09-20 13:22:13,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:22:13,986 INFO L225 Difference]: With dead ends: 1684 [2019-09-20 13:22:13,986 INFO L226 Difference]: Without dead ends: 803 [2019-09-20 13:22:13,999 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:22:14,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2019-09-20 13:22:14,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 803. [2019-09-20 13:22:14,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2019-09-20 13:22:14,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1068 transitions. [2019-09-20 13:22:14,175 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1068 transitions. Word has length 79 [2019-09-20 13:22:14,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:22:14,176 INFO L475 AbstractCegarLoop]: Abstraction has 803 states and 1068 transitions. [2019-09-20 13:22:14,176 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:22:14,176 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1068 transitions. [2019-09-20 13:22:14,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-09-20 13:22:14,192 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:22:14,193 INFO L407 BasicCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:22:14,194 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:22:14,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:22:14,194 INFO L82 PathProgramCache]: Analyzing trace with hash 722651996, now seen corresponding path program 1 times [2019-09-20 13:22:14,194 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:22:14,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:22:14,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:14,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:22:14,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:22:14,590 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2019-09-20 13:22:14,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:22:14,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:22:14,592 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:22:14,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:22:14,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:22:14,594 INFO L87 Difference]: Start difference. First operand 803 states and 1068 transitions. Second operand 3 states. [2019-09-20 13:22:16,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:22:16,696 INFO L93 Difference]: Finished difference Result 1582 states and 2113 transitions. [2019-09-20 13:22:16,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:22:16,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2019-09-20 13:22:16,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:22:16,703 INFO L225 Difference]: With dead ends: 1582 [2019-09-20 13:22:16,703 INFO L226 Difference]: Without dead ends: 804 [2019-09-20 13:22:16,707 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:22:16,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2019-09-20 13:22:16,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2019-09-20 13:22:16,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2019-09-20 13:22:16,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1069 transitions. [2019-09-20 13:22:16,791 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1069 transitions. Word has length 129 [2019-09-20 13:22:16,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:22:16,792 INFO L475 AbstractCegarLoop]: Abstraction has 804 states and 1069 transitions. [2019-09-20 13:22:16,792 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:22:16,792 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1069 transitions. [2019-09-20 13:22:16,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-09-20 13:22:16,795 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:22:16,795 INFO L407 BasicCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:22:16,796 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:22:16,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:22:16,796 INFO L82 PathProgramCache]: Analyzing trace with hash 331458094, now seen corresponding path program 1 times [2019-09-20 13:22:16,796 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:22:16,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:22:16,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:16,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:22:16,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:22:17,010 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-09-20 13:22:17,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:22:17,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:22:17,011 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:22:17,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:22:17,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:22:17,012 INFO L87 Difference]: Start difference. First operand 804 states and 1069 transitions. Second operand 3 states. [2019-09-20 13:22:19,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:22:19,499 INFO L93 Difference]: Finished difference Result 1890 states and 2530 transitions. [2019-09-20 13:22:19,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:22:19,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2019-09-20 13:22:19,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:22:19,507 INFO L225 Difference]: With dead ends: 1890 [2019-09-20 13:22:19,507 INFO L226 Difference]: Without dead ends: 1111 [2019-09-20 13:22:19,510 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:22:19,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2019-09-20 13:22:19,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 1108. [2019-09-20 13:22:19,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1108 states. [2019-09-20 13:22:19,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1454 transitions. [2019-09-20 13:22:19,550 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1454 transitions. Word has length 130 [2019-09-20 13:22:19,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:22:19,551 INFO L475 AbstractCegarLoop]: Abstraction has 1108 states and 1454 transitions. [2019-09-20 13:22:19,551 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:22:19,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1454 transitions. [2019-09-20 13:22:19,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-09-20 13:22:19,554 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:22:19,554 INFO L407 BasicCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:22:19,554 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:22:19,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:22:19,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1402710366, now seen corresponding path program 1 times [2019-09-20 13:22:19,555 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:22:19,555 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:22:19,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:19,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:22:19,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:22:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:22:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-09-20 13:22:20,237 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:22:20,241 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:22:20,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:22:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:22:21,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 2882 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-20 13:22:21,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:22:21,237 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-20 13:22:21,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:22:21,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2019-09-20 13:22:21,261 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-09-20 13:22:21,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-09-20 13:22:21,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2019-09-20 13:22:21,262 INFO L87 Difference]: Start difference. First operand 1108 states and 1454 transitions. Second operand 17 states.