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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:53:47,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:53:47,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:53:47,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:53:47,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:53:47,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:53:47,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:53:47,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:53:47,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:53:47,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:53:47,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:53:47,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:53:47,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:53:47,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:53:47,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:53:47,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:53:47,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:53:47,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:53:47,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:53:47,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:53:47,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:53:47,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:53:47,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:53:47,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:53:47,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:53:47,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:53:47,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:53:47,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:53:47,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:53:47,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:53:47,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:53:47,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:53:47,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:53:47,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:53:47,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:53:47,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:53:47,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:53:47,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:53:47,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:53:47,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:53:47,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:53:47,508 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:53:47,522 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:53:47,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:53:47,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:53:47,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:53:47,523 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:53:47,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:53:47,524 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:53:47,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:53:47,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:53:47,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:53:47,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:53:47,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:53:47,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:53:47,525 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:53:47,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:53:47,526 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:53:47,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:53:47,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:53:47,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:53:47,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:53:47,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:53:47,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:53:47,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:53:47,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:53:47,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:53:47,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:53:47,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:53:47,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:53:47,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 20:53:47,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:53:47,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:53:47,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:53:47,810 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:53:47,810 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:53:47,811 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i [2019-10-13 20:53:47,881 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a4f82e4d/b557eb8a3ff146bba8888e5725e10630/FLAG2c0c13daa [2019-10-13 20:53:48,731 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:53:48,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i [2019-10-13 20:53:48,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a4f82e4d/b557eb8a3ff146bba8888e5725e10630/FLAG2c0c13daa [2019-10-13 20:53:49,240 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a4f82e4d/b557eb8a3ff146bba8888e5725e10630 [2019-10-13 20:53:49,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:53:49,250 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:53:49,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:53:49,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:53:49,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:53:49,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:53:49" (1/1) ... [2019-10-13 20:53:49,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f946270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:53:49, skipping insertion in model container [2019-10-13 20:53:49,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:53:49" (1/1) ... [2019-10-13 20:53:49,265 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:53:49,416 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:53:51,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:53:51,755 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:53:52,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:53:52,948 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:53:52,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:53:52 WrapperNode [2019-10-13 20:53:52,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:53:52,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:53:52,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:53:52,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:53:52,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:53:52" (1/1) ... [2019-10-13 20:53:52,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:53:52" (1/1) ... [2019-10-13 20:53:53,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:53:52" (1/1) ... [2019-10-13 20:53:53,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:53:52" (1/1) ... [2019-10-13 20:53:53,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:53:52" (1/1) ... [2019-10-13 20:53:53,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:53:52" (1/1) ... [2019-10-13 20:53:53,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:53:52" (1/1) ... [2019-10-13 20:53:53,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:53:53,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:53:53,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:53:53,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:53:53,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:53:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:53:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:53:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:53:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~sector_t~0~TO~int [2019-10-13 20:53:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~loff_t~0~X~~loff_t~0~TO~int [2019-10-13 20:53:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:53:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:53:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-13 20:53:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-10-13 20:53:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2019-10-13 20:53:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2019-10-13 20:53:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2019-10-13 20:53:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:53:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 20:53:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-13 20:53:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-13 20:53:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2019-10-13 20:53:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2019-10-13 20:53:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 20:53:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-13 20:53:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-13 20:53:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-13 20:53:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-13 20:53:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2019-10-13 20:53:53,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-10-13 20:53:53,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-10-13 20:53:53,365 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:53:53,365 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-13 20:53:53,365 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-13 20:53:53,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2019-10-13 20:53:53,366 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2019-10-13 20:53:53,366 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-13 20:53:53,366 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-13 20:53:53,366 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2019-10-13 20:53:53,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:53:53,367 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:53:53,367 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:53:53,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:53:53,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:53:53,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 20:53:53,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 20:53:53,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:53:53,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:53:53,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:53:53,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:53:53,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:53:53,368 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2019-10-13 20:53:53,368 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2019-10-13 20:53:53,369 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2019-10-13 20:53:53,369 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2019-10-13 20:53:53,369 INFO L138 BoogieDeclarations]: Found implementation of procedure file_start_write [2019-10-13 20:53:53,369 INFO L138 BoogieDeclarations]: Found implementation of procedure file_end_write [2019-10-13 20:53:53,369 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2019-10-13 20:53:53,369 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2019-10-13 20:53:53,370 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-13 20:53:53,370 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-13 20:53:53,370 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 20:53:53,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_disabled_inc [2019-10-13 20:53:53,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_disabled_dec [2019-10-13 20:53:53,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_disable [2019-10-13 20:53:53,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_enable [2019-10-13 20:53:53,371 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2019-10-13 20:53:53,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2019-10-13 20:53:53,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2019-10-13 20:53:53,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2019-10-13 20:53:53,371 INFO L138 BoogieDeclarations]: Found implementation of procedure bvec_iter_advance [2019-10-13 20:53:53,371 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_advance_iter [2019-10-13 20:53:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2019-10-13 20:53:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_clear_unlocked [2019-10-13 20:53:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2019-10-13 20:53:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2019-10-13 20:53:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-13 20:53:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2019-10-13 20:53:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2019-10-13 20:53:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2019-10-13 20:53:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure get_size [2019-10-13 20:53:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2019-10-13 20:53:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2019-10-13 20:53:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2019-10-13 20:53:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_write_bvec [2019-10-13 20:53:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_write_simple [2019-10-13 20:53:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_write_transfer [2019-10-13 20:53:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_read_simple [2019-10-13 20:53:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_read_transfer [2019-10-13 20:53:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_discard [2019-10-13 20:53:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_req_flush [2019-10-13 20:53:53,374 INFO L138 BoogieDeclarations]: Found implementation of procedure do_req_filebacked [2019-10-13 20:53:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure do_loop_switch [2019-10-13 20:53:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2019-10-13 20:53:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_flush [2019-10-13 20:53:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_reread_partitions [2019-10-13 20:53:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_change_fd [2019-10-13 20:53:53,375 INFO L138 BoogieDeclarations]: Found implementation of procedure is_loop_device [2019-10-13 20:53:53,376 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_show [2019-10-13 20:53:53,376 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_backing_file_show [2019-10-13 20:53:53,376 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_offset_show [2019-10-13 20:53:53,376 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_sizelimit_show [2019-10-13 20:53:53,376 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_autoclear_show [2019-10-13 20:53:53,376 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_partscan_show [2019-10-13 20:53:53,376 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_backing_file [2019-10-13 20:53:53,377 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_offset [2019-10-13 20:53:53,377 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_sizelimit [2019-10-13 20:53:53,377 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_autoclear [2019-10-13 20:53:53,377 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_partscan [2019-10-13 20:53:53,377 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_init [2019-10-13 20:53:53,377 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_exit [2019-10-13 20:53:53,377 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_config_discard [2019-10-13 20:53:53,378 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_fd [2019-10-13 20:53:53,378 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2019-10-13 20:53:53,378 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init_xfer [2019-10-13 20:53:53,378 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2019-10-13 20:53:53,378 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2019-10-13 20:53:53,378 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2019-10-13 20:53:53,378 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_from_old [2019-10-13 20:53:53,379 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_to_old [2019-10-13 20:53:53,379 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_old [2019-10-13 20:53:53,379 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status64 [2019-10-13 20:53:53,379 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status_old [2019-10-13 20:53:53,379 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status64 [2019-10-13 20:53:53,379 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2019-10-13 20:53:53,379 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2019-10-13 20:53:53,380 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_from_compat [2019-10-13 20:53:53,380 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_to_compat [2019-10-13 20:53:53,380 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_compat [2019-10-13 20:53:53,380 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status_compat [2019-10-13 20:53:53,380 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_compat_ioctl [2019-10-13 20:53:53,380 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_open [2019-10-13 20:53:53,380 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_release [2019-10-13 20:53:53,381 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_register_transfer [2019-10-13 20:53:53,381 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_transfer_cb [2019-10-13 20:53:53,381 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_unregister_transfer [2019-10-13 20:53:53,381 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_queue_rq [2019-10-13 20:53:53,381 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_handle_cmd [2019-10-13 20:53:53,381 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_queue_write_work [2019-10-13 20:53:53,382 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_queue_read_work [2019-10-13 20:53:53,382 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init_request [2019-10-13 20:53:53,382 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_add [2019-10-13 20:53:53,382 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_remove [2019-10-13 20:53:53,382 INFO L138 BoogieDeclarations]: Found implementation of procedure find_free_cb [2019-10-13 20:53:53,382 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_lookup [2019-10-13 20:53:53,383 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_probe [2019-10-13 20:53:53,383 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_control_ioctl [2019-10-13 20:53:53,383 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init [2019-10-13 20:53:53,383 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_exit_cb [2019-10-13 20:53:53,383 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_exit [2019-10-13 20:53:53,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_loop_func_table_11 [2019-10-13 20:53:53,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-10-13 20:53:53,384 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-13 20:53:53,384 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2019-10-13 20:53:53,384 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-13 20:53:53,384 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2019-10-13 20:53:53,384 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-13 20:53:53,384 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2019-10-13 20:53:53,385 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-13 20:53:53,385 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-13 20:53:53,385 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2019-10-13 20:53:53,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_block_device_operations_5 [2019-10-13 20:53:53,385 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-13 20:53:53,385 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2019-10-13 20:53:53,385 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2019-10-13 20:53:53,385 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:53:53,386 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 20:53:53,386 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2019-10-13 20:53:53,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-13 20:53:53,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-13 20:53:53,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-13 20:53:53,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-13 20:53:53,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-13 20:53:53,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_10 [2019-10-13 20:53:53,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_11 [2019-10-13 20:53:53,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_12 [2019-10-13 20:53:53,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_13 [2019-10-13 20:53:53,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_14 [2019-10-13 20:53:53,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_15 [2019-10-13 20:53:53,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_16 [2019-10-13 20:53:53,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_17 [2019-10-13 20:53:53,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_18 [2019-10-13 20:53:53,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_19 [2019-10-13 20:53:53,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonseekable_open_20 [2019-10-13 20:53:53,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:53:53,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:53:53,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 20:53:53,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 20:53:53,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 20:53:53,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-13 20:53:53,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-13 20:53:53,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-13 20:53:53,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-13 20:53:53,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-13 20:53:53,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:53:53,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ___might_sleep [2019-10-13 20:53:53,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2019-10-13 20:53:53,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2019-10-13 20:53:53,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __blkdev_reread_part [2019-10-13 20:53:53,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-13 20:53:53,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-13 20:53:53,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2019-10-13 20:53:53,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 20:53:53,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 20:53:53,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-13 20:53:53,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-13 20:53:53,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 20:53:53,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:53:53,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __sb_end_write [2019-10-13 20:53:53,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __sb_start_write [2019-10-13 20:53:53,392 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2019-10-13 20:53:53,392 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-13 20:53:53,393 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 20:53:53,393 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-13 20:53:53,393 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-13 20:53:53,393 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2019-10-13 20:53:53,395 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2019-10-13 20:53:53,395 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-10-13 20:53:53,395 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2019-10-13 20:53:53,395 INFO L138 BoogieDeclarations]: Found implementation of procedure bdgrab [2019-10-13 20:53:53,395 INFO L138 BoogieDeclarations]: Found implementation of procedure bdput [2019-10-13 20:53:53,395 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2019-10-13 20:53:53,395 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_tag_set [2019-10-13 20:53:53,396 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_complete_request [2019-10-13 20:53:53,396 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2019-10-13 20:53:53,396 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_freeze_queue [2019-10-13 20:53:53,396 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_init_queue [2019-10-13 20:53:53,396 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_map_queue [2019-10-13 20:53:53,396 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_start_request [2019-10-13 20:53:53,396 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_unfreeze_queue [2019-10-13 20:53:53,397 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_flush [2019-10-13 20:53:53,397 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_register_region [2019-10-13 20:53:53,397 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_unregister_region [2019-10-13 20:53:53,397 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_reread_part [2019-10-13 20:53:53,397 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-13 20:53:53,397 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-13 20:53:53,397 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2019-10-13 20:53:53,397 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2019-10-13 20:53:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2019-10-13 20:53:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure file_path [2019-10-13 20:53:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-13 20:53:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-13 20:53:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure get_disk [2019-10-13 20:53:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2019-10-13 20:53:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2019-10-13 20:53:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2019-10-13 20:53:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_for_each [2019-10-13 20:53:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-10-13 20:53:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure invalidate_bdev [2019-10-13 20:53:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_iter_bvec [2019-10-13 20:53:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2019-10-13 20:53:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:53:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_11 [2019-10-13 20:53:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2019-10-13 20:53:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_11 [2019-10-13 20:53:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 20:53:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-10-13 20:53:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-10-13 20:53:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-13 20:53:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:53:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-13 20:53:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:53:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2019-10-13 20:53:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-13 20:53:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-13 20:53:53,401 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2019-10-13 20:53:53,402 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blocksize [2019-10-13 20:53:53,402 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_ro [2019-10-13 20:53:53,402 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-13 20:53:53,402 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-13 20:53:53,402 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2019-10-13 20:53:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_fsync [2019-10-13 20:53:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_getattr [2019-10-13 20:53:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_iter_read [2019-10-13 20:53:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_iter_write [2019-10-13 20:53:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-13 20:53:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 20:53:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_fill_bio [2019-10-13 20:53:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:53:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:53:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:53:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:53:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:53:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-10-13 20:53:53,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:53:53,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:53:53,408 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-10-13 20:53:53,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:53:53,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:53:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:53:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2019-10-13 20:53:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2019-10-13 20:53:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2019-10-13 20:53:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:53:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure ___might_sleep [2019-10-13 20:53:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-13 20:53:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 20:53:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 20:53:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 20:53:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:53:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:53:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 20:53:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 20:53:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:53:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-13 20:53:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-13 20:53:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-13 20:53:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2019-10-13 20:53:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2019-10-13 20:53:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 20:53:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-13 20:53:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 20:53:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 20:53:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:53:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:53:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-10-13 20:53:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-13 20:53:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 20:53:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2019-10-13 20:53:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-13 20:53:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-13 20:53:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-13 20:53:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-13 20:53:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-13 20:53:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2019-10-13 20:53:53,418 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-10-13 20:53:53,418 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-10-13 20:53:53,418 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 20:53:53,418 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:53:53,418 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-13 20:53:53,418 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-13 20:53:53,418 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:53:53,418 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-13 20:53:53,419 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-13 20:53:53,419 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2019-10-13 20:53:53,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:53:53,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:53:53,419 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2019-10-13 20:53:53,419 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 20:53:53,419 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-13 20:53:53,419 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:53:53,420 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-13 20:53:53,420 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 20:53:53,420 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2019-10-13 20:53:53,420 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2019-10-13 20:53:53,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_16 [2019-10-13 20:53:53,420 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-13 20:53:53,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-13 20:53:53,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-13 20:53:53,420 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-13 20:53:53,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-13 20:53:53,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-13 20:53:53,421 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-13 20:53:53,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-13 20:53:53,421 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-13 20:53:53,421 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-10-13 20:53:53,421 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-13 20:53:53,421 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2019-10-13 20:53:53,422 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2019-10-13 20:53:53,422 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2019-10-13 20:53:53,422 INFO L130 BoogieDeclarations]: Found specification of procedure idr_for_each [2019-10-13 20:53:53,422 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-10-13 20:53:53,422 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2019-10-13 20:53:53,422 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2019-10-13 20:53:53,422 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-13 20:53:53,422 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-13 20:53:53,422 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2019-10-13 20:53:53,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_10 [2019-10-13 20:53:53,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_13 [2019-10-13 20:53:53,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_11 [2019-10-13 20:53:53,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_12 [2019-10-13 20:53:53,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_14 [2019-10-13 20:53:53,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_15 [2019-10-13 20:53:53,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-13 20:53:53,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-13 20:53:53,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-13 20:53:53,424 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-13 20:53:53,424 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2019-10-13 20:53:53,424 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:53:53,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:53:53,424 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:53:53,424 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:53:53,424 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:53:53,425 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:53:53,425 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:53:53,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:53:53,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:53:53,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:53:53,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:53:53,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:53:53,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:53:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:53:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 20:53:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 20:53:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:53:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:53:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:53:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:53:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:53:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_loop_func_table_11 [2019-10-13 20:53:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-10-13 20:53:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-13 20:53:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2019-10-13 20:53:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-13 20:53:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2019-10-13 20:53:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-13 20:53:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2019-10-13 20:53:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-13 20:53:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-13 20:53:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2019-10-13 20:53:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_block_device_operations_5 [2019-10-13 20:53:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-13 20:53:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2019-10-13 20:53:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2019-10-13 20:53:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2019-10-13 20:53:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2019-10-13 20:53:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2019-10-13 20:53:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure __sb_end_write [2019-10-13 20:53:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure __sb_start_write [2019-10-13 20:53:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2019-10-13 20:53:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2019-10-13 20:53:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2019-10-13 20:53:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure bdgrab [2019-10-13 20:53:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2019-10-13 20:53:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure bdput [2019-10-13 20:53:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure invalidate_bdev [2019-10-13 20:53:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure __blkdev_reread_part [2019-10-13 20:53:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_reread_part [2019-10-13 20:53:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_fsync [2019-10-13 20:53:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure file_start_write [2019-10-13 20:53:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure file_end_write [2019-10-13 20:53:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure file_path [2019-10-13 20:53:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure set_blocksize [2019-10-13 20:53:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_iter_read [2019-10-13 20:53:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_iter_write [2019-10-13 20:53:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-13 20:53:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2019-10-13 20:53:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonseekable_open_20 [2019-10-13 20:53:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_getattr [2019-10-13 20:53:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-13 20:53:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2019-10-13 20:53:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2019-10-13 20:53:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2019-10-13 20:53:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2019-10-13 20:53:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_ro [2019-10-13 20:53:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2019-10-13 20:53:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2019-10-13 20:53:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2019-10-13 20:53:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure get_disk [2019-10-13 20:53:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2019-10-13 20:53:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure blk_register_region [2019-10-13 20:53:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure blk_unregister_region [2019-10-13 20:53:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-13 20:53:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-13 20:53:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 20:53:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-13 20:53:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-13 20:53:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-13 20:53:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 20:53:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_disabled_inc [2019-10-13 20:53:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_disabled_dec [2019-10-13 20:53:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_disable [2019-10-13 20:53:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_enable [2019-10-13 20:53:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2019-10-13 20:53:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2019-10-13 20:53:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2019-10-13 20:53:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2019-10-13 20:53:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure bvec_iter_advance [2019-10-13 20:53:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure bio_advance_iter [2019-10-13 20:53:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure zero_fill_bio [2019-10-13 20:53:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2019-10-13 20:53:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_clear_unlocked [2019-10-13 20:53:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2019-10-13 20:53:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2019-10-13 20:53:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2019-10-13 20:53:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_flush [2019-10-13 20:53:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure iov_iter_bvec [2019-10-13 20:53:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-13 20:53:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-10-13 20:53:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_17 [2019-10-13 20:53:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-10-13 20:53:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_18 [2019-10-13 20:53:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_19 [2019-10-13 20:53:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_init_queue [2019-10-13 20:53:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_tag_set [2019-10-13 20:53:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2019-10-13 20:53:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_map_queue [2019-10-13 20:53:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_start_request [2019-10-13 20:53:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_complete_request [2019-10-13 20:53:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_freeze_queue [2019-10-13 20:53:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_unfreeze_queue [2019-10-13 20:53:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2019-10-13 20:53:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure loop_register_transfer [2019-10-13 20:53:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure loop_unregister_transfer [2019-10-13 20:53:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2019-10-13 20:53:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2019-10-13 20:53:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure get_size [2019-10-13 20:53:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2019-10-13 20:53:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2019-10-13 20:53:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2019-10-13 20:53:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~sector_t~0~TO~int [2019-10-13 20:53:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure lo_write_bvec [2019-10-13 20:53:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure lo_write_simple [2019-10-13 20:53:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure lo_write_transfer [2019-10-13 20:53:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure lo_read_simple [2019-10-13 20:53:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure lo_read_transfer [2019-10-13 20:53:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure lo_discard [2019-10-13 20:53:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~loff_t~0~X~~loff_t~0~TO~int [2019-10-13 20:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure lo_req_flush [2019-10-13 20:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure do_req_filebacked [2019-10-13 20:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure do_loop_switch [2019-10-13 20:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2019-10-13 20:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure loop_flush [2019-10-13 20:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure loop_reread_partitions [2019-10-13 20:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure loop_change_fd [2019-10-13 20:53:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure is_loop_device [2019-10-13 20:53:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_show [2019-10-13 20:53:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:53:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_backing_file_show [2019-10-13 20:53:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-10-13 20:53:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_offset_show [2019-10-13 20:53:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_sizelimit_show [2019-10-13 20:53:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_autoclear_show [2019-10-13 20:53:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_partscan_show [2019-10-13 20:53:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_backing_file [2019-10-13 20:53:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_offset [2019-10-13 20:53:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_sizelimit [2019-10-13 20:53:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_autoclear [2019-10-13 20:53:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_partscan [2019-10-13 20:53:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_init [2019-10-13 20:53:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_exit [2019-10-13 20:53:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure loop_config_discard [2019-10-13 20:53:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_fd [2019-10-13 20:53:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2019-10-13 20:53:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:53:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init_xfer [2019-10-13 20:53:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2019-10-13 20:53:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2019-10-13 20:53:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2019-10-13 20:53:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_from_old [2019-10-13 20:53:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_to_old [2019-10-13 20:53:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_old [2019-10-13 20:53:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status64 [2019-10-13 20:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status_old [2019-10-13 20:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status64 [2019-10-13 20:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2019-10-13 20:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2019-10-13 20:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-13 20:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_from_compat [2019-10-13 20:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_to_compat [2019-10-13 20:53:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_compat [2019-10-13 20:53:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status_compat [2019-10-13 20:53:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure lo_compat_ioctl [2019-10-13 20:53:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure lo_open [2019-10-13 20:53:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure lo_release [2019-10-13 20:53:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_transfer_cb [2019-10-13 20:53:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure loop_queue_rq [2019-10-13 20:53:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure loop_handle_cmd [2019-10-13 20:53:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure loop_queue_write_work [2019-10-13 20:53:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure loop_queue_read_work [2019-10-13 20:53:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init_request [2019-10-13 20:53:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure loop_add [2019-10-13 20:53:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure loop_remove [2019-10-13 20:53:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure find_free_cb [2019-10-13 20:53:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure loop_lookup [2019-10-13 20:53:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure loop_probe [2019-10-13 20:53:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure loop_control_ioctl [2019-10-13 20:53:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init [2019-10-13 20:53:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure loop_exit_cb [2019-10-13 20:53:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure loop_exit [2019-10-13 20:53:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_11 [2019-10-13 20:53:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_11 [2019-10-13 20:53:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:53:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:53:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2019-10-13 20:53:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:53:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:53:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:53:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 20:53:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-13 20:53:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-13 20:53:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:53:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 20:53:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 20:53:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:53:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:53:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:53:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:53:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:53:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:53:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:53:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:53:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:53:55,213 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:54:01,389 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-13 20:54:03,005 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:54:03,006 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:54:03,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:54:03 BoogieIcfgContainer [2019-10-13 20:54:03,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:54:03,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:54:03,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:54:03,013 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:54:03,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:53:49" (1/3) ... [2019-10-13 20:54:03,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8e0dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:54:03, skipping insertion in model container [2019-10-13 20:54:03,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:53:52" (2/3) ... [2019-10-13 20:54:03,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8e0dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:54:03, skipping insertion in model container [2019-10-13 20:54:03,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:54:03" (3/3) ... [2019-10-13 20:54:03,016 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i [2019-10-13 20:54:03,027 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:54:03,042 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:54:03,056 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:54:03,105 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:54:03,106 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:54:03,106 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:54:03,106 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:54:03,106 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:54:03,106 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:54:03,106 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:54:03,107 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:54:03,178 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states. [2019-10-13 20:54:03,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2019-10-13 20:54:03,231 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:54:03,233 INFO L380 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:54:03,236 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:54:03,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:54:03,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1775852700, now seen corresponding path program 1 times [2019-10-13 20:54:03,252 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:54:03,252 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402267331] [2019-10-13 20:54:03,253 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:03,253 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:03,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:54:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:54:04,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4485 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4485 trivial. 0 not checked. [2019-10-13 20:54:04,902 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402267331] [2019-10-13 20:54:04,903 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:54:04,903 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:54:04,903 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812627174] [2019-10-13 20:54:04,911 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:54:04,914 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:54:04,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:54:04,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:54:04,932 INFO L87 Difference]: Start difference. First operand 2305 states. Second operand 3 states. [2019-10-13 20:54:05,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:54:05,796 INFO L93 Difference]: Finished difference Result 6341 states and 8386 transitions. [2019-10-13 20:54:05,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:54:05,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 564 [2019-10-13 20:54:05,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:54:05,921 INFO L225 Difference]: With dead ends: 6341 [2019-10-13 20:54:05,921 INFO L226 Difference]: Without dead ends: 4193 [2019-10-13 20:54:05,943 INFO L600 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 [2019-10-13 20:54:05,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4193 states. [2019-10-13 20:54:06,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4193 to 4190. [2019-10-13 20:54:06,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4190 states. [2019-10-13 20:54:06,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 4190 states and 5447 transitions. [2019-10-13 20:54:06,277 INFO L78 Accepts]: Start accepts. Automaton has 4190 states and 5447 transitions. Word has length 564 [2019-10-13 20:54:06,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:54:06,280 INFO L462 AbstractCegarLoop]: Abstraction has 4190 states and 5447 transitions. [2019-10-13 20:54:06,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:54:06,280 INFO L276 IsEmpty]: Start isEmpty. Operand 4190 states and 5447 transitions. [2019-10-13 20:54:06,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2019-10-13 20:54:06,299 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:54:06,299 INFO L380 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:54:06,299 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:54:06,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:54:06,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1095480088, now seen corresponding path program 1 times [2019-10-13 20:54:06,300 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:54:06,300 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391883836] [2019-10-13 20:54:06,301 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:06,301 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:06,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:54:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:54:07,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4485 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4485 trivial. 0 not checked. [2019-10-13 20:54:07,142 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391883836] [2019-10-13 20:54:07,142 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:54:07,142 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:54:07,143 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891862431] [2019-10-13 20:54:07,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:54:07,145 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:54:07,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:54:07,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:54:07,146 INFO L87 Difference]: Start difference. First operand 4190 states and 5447 transitions. Second operand 3 states. [2019-10-13 20:54:07,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:54:07,492 INFO L93 Difference]: Finished difference Result 10595 states and 13708 transitions. [2019-10-13 20:54:07,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:54:07,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 569 [2019-10-13 20:54:07,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:54:07,548 INFO L225 Difference]: With dead ends: 10595 [2019-10-13 20:54:07,548 INFO L226 Difference]: Without dead ends: 6523 [2019-10-13 20:54:07,568 INFO L600 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 [2019-10-13 20:54:07,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6523 states. [2019-10-13 20:54:07,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6523 to 6517. [2019-10-13 20:54:07,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6517 states. [2019-10-13 20:54:07,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6517 states to 6517 states and 8419 transitions. [2019-10-13 20:54:07,853 INFO L78 Accepts]: Start accepts. Automaton has 6517 states and 8419 transitions. Word has length 569 [2019-10-13 20:54:07,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:54:07,854 INFO L462 AbstractCegarLoop]: Abstraction has 6517 states and 8419 transitions. [2019-10-13 20:54:07,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:54:07,854 INFO L276 IsEmpty]: Start isEmpty. Operand 6517 states and 8419 transitions. [2019-10-13 20:54:07,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 574 [2019-10-13 20:54:07,872 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:54:07,872 INFO L380 BasicCegarLoop]: trace histogram [26, 26, 26, 26, 26, 26, 26, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:54:07,873 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:54:07,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:54:07,873 INFO L82 PathProgramCache]: Analyzing trace with hash 468383179, now seen corresponding path program 1 times [2019-10-13 20:54:07,874 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:54:07,874 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111552321] [2019-10-13 20:54:07,874 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:07,874 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:07,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:54:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:54:09,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4877 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4877 trivial. 0 not checked. [2019-10-13 20:54:09,494 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111552321] [2019-10-13 20:54:09,495 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:54:09,495 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:54:09,495 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74220782] [2019-10-13 20:54:09,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:54:09,496 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:54:09,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:54:09,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:54:09,497 INFO L87 Difference]: Start difference. First operand 6517 states and 8419 transitions. Second operand 3 states. [2019-10-13 20:54:09,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:54:09,873 INFO L93 Difference]: Finished difference Result 19288 states and 24996 transitions. [2019-10-13 20:54:09,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:54:09,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 573 [2019-10-13 20:54:09,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:54:09,958 INFO L225 Difference]: With dead ends: 19288 [2019-10-13 20:54:09,958 INFO L226 Difference]: Without dead ends: 12838 [2019-10-13 20:54:09,991 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:54:10,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12838 states. [2019-10-13 20:54:10,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12838 to 12834. [2019-10-13 20:54:10,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12834 states. [2019-10-13 20:54:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12834 states to 12834 states and 16621 transitions. [2019-10-13 20:54:10,680 INFO L78 Accepts]: Start accepts. Automaton has 12834 states and 16621 transitions. Word has length 573 [2019-10-13 20:54:10,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:54:10,682 INFO L462 AbstractCegarLoop]: Abstraction has 12834 states and 16621 transitions. [2019-10-13 20:54:10,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:54:10,682 INFO L276 IsEmpty]: Start isEmpty. Operand 12834 states and 16621 transitions. [2019-10-13 20:54:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 657 [2019-10-13 20:54:10,714 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:54:10,715 INFO L380 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 23, 23, 23, 23, 23, 23, 23, 23, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:54:10,715 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:54:10,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:54:10,716 INFO L82 PathProgramCache]: Analyzing trace with hash 122854386, now seen corresponding path program 1 times [2019-10-13 20:54:10,716 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:54:10,716 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428511277] [2019-10-13 20:54:10,717 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:10,717 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:10,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:54:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:54:11,870 INFO L134 CoverageAnalysis]: Checked inductivity of 5312 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5301 trivial. 0 not checked. [2019-10-13 20:54:11,871 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428511277] [2019-10-13 20:54:11,871 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:54:11,871 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:54:11,871 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704383205] [2019-10-13 20:54:11,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:54:11,873 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:54:11,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:54:11,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:54:11,874 INFO L87 Difference]: Start difference. First operand 12834 states and 16621 transitions. Second operand 5 states. [2019-10-13 20:54:12,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:54:12,773 INFO L93 Difference]: Finished difference Result 25559 states and 33088 transitions. [2019-10-13 20:54:12,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:54:12,774 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 656 [2019-10-13 20:54:12,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:54:12,852 INFO L225 Difference]: With dead ends: 25559 [2019-10-13 20:54:12,852 INFO L226 Difference]: Without dead ends: 12847 [2019-10-13 20:54:12,898 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:54:12,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12847 states. [2019-10-13 20:54:13,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12847 to 12840. [2019-10-13 20:54:13,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12840 states. [2019-10-13 20:54:13,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12840 states to 12840 states and 16625 transitions. [2019-10-13 20:54:13,389 INFO L78 Accepts]: Start accepts. Automaton has 12840 states and 16625 transitions. Word has length 656 [2019-10-13 20:54:13,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:54:13,390 INFO L462 AbstractCegarLoop]: Abstraction has 12840 states and 16625 transitions. [2019-10-13 20:54:13,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 20:54:13,390 INFO L276 IsEmpty]: Start isEmpty. Operand 12840 states and 16625 transitions. [2019-10-13 20:54:13,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 670 [2019-10-13 20:54:13,412 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:54:13,413 INFO L380 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 23, 23, 23, 23, 23, 23, 23, 23, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:54:13,413 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:54:13,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:54:13,414 INFO L82 PathProgramCache]: Analyzing trace with hash -244924780, now seen corresponding path program 1 times [2019-10-13 20:54:13,414 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:54:13,414 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102146581] [2019-10-13 20:54:13,415 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:13,415 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:13,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:54:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:54:14,729 INFO L134 CoverageAnalysis]: Checked inductivity of 5312 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5301 trivial. 0 not checked. [2019-10-13 20:54:14,729 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102146581] [2019-10-13 20:54:14,730 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:54:14,731 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:54:14,731 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659817600] [2019-10-13 20:54:14,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:54:14,733 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:54:14,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:54:14,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:54:14,734 INFO L87 Difference]: Start difference. First operand 12840 states and 16625 transitions. Second operand 3 states. [2019-10-13 20:54:16,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:54:16,415 INFO L93 Difference]: Finished difference Result 33374 states and 43260 transitions. [2019-10-13 20:54:16,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:54:16,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 669 [2019-10-13 20:54:16,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:54:16,522 INFO L225 Difference]: With dead ends: 33374 [2019-10-13 20:54:16,522 INFO L226 Difference]: Without dead ends: 20664 [2019-10-13 20:54:16,585 INFO L600 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 [2019-10-13 20:54:16,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20664 states. [2019-10-13 20:54:17,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20664 to 20654. [2019-10-13 20:54:17,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20654 states. [2019-10-13 20:54:17,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20654 states to 20654 states and 26774 transitions. [2019-10-13 20:54:17,344 INFO L78 Accepts]: Start accepts. Automaton has 20654 states and 26774 transitions. Word has length 669 [2019-10-13 20:54:17,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:54:17,346 INFO L462 AbstractCegarLoop]: Abstraction has 20654 states and 26774 transitions. [2019-10-13 20:54:17,346 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:54:17,346 INFO L276 IsEmpty]: Start isEmpty. Operand 20654 states and 26774 transitions. [2019-10-13 20:54:17,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2019-10-13 20:54:17,361 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:54:17,362 INFO L380 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 23, 23, 23, 23, 23, 23, 23, 23, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:54:17,362 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:54:17,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:54:17,363 INFO L82 PathProgramCache]: Analyzing trace with hash 498489590, now seen corresponding path program 1 times [2019-10-13 20:54:17,364 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:54:17,364 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358663467] [2019-10-13 20:54:17,364 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:17,364 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:54:17,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:54:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:54:18,718 INFO L134 CoverageAnalysis]: Checked inductivity of 5312 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5301 trivial. 0 not checked. [2019-10-13 20:54:18,719 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358663467] [2019-10-13 20:54:18,719 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:54:18,719 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 20:54:18,719 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522827527] [2019-10-13 20:54:18,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 20:54:18,720 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:54:18,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 20:54:18,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:54:18,721 INFO L87 Difference]: Start difference. First operand 20654 states and 26774 transitions. Second operand 6 states.