java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:10:04,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:10:04,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:10:04,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:10:04,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:10:04,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:10:04,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:10:04,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:10:04,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:10:04,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:10:04,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:10:04,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:10:04,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:10:04,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:10:04,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:10:04,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:10:04,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:10:04,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:10:04,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:10:04,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:10:04,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:10:04,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:10:04,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:10:04,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:10:05,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:10:05,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:10:05,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:10:05,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:10:05,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:10:05,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:10:05,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:10:05,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:10:05,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:10:05,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:10:05,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:10:05,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:10:05,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:10:05,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:10:05,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:10:05,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:10:05,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:10:05,018 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 19:10:05,036 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:10:05,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:10:05,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:10:05,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:10:05,039 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:10:05,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:10:05,040 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:10:05,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:10:05,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:10:05,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:10:05,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:10:05,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:10:05,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:10:05,042 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:10:05,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:10:05,043 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:10:05,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:10:05,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:10:05,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:10:05,044 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:10:05,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:10:05,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:10:05,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:10:05,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:10:05,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:10:05,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:10:05,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:10:05,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:10:05,046 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:10:05,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:10:05,386 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:10:05,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:10:05,391 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:10:05,391 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:10:05,392 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-10-13 19:10:05,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cffcdbd51/587e711c58364f25ba52bbfd774853da/FLAG96083f0bf [2019-10-13 19:10:06,302 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:10:06,304 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-10-13 19:10:06,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cffcdbd51/587e711c58364f25ba52bbfd774853da/FLAG96083f0bf [2019-10-13 19:10:06,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cffcdbd51/587e711c58364f25ba52bbfd774853da [2019-10-13 19:10:06,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:10:06,397 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:10:06,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:10:06,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:10:06,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:10:06,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:10:06" (1/1) ... [2019-10-13 19:10:06,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@edc5553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:06, skipping insertion in model container [2019-10-13 19:10:06,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:10:06" (1/1) ... [2019-10-13 19:10:06,415 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:10:06,527 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:10:07,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:10:07,950 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:10:08,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:10:08,375 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:10:08,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:08 WrapperNode [2019-10-13 19:10:08,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:10:08,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:10:08,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:10:08,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:10:08,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:08" (1/1) ... [2019-10-13 19:10:08,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:08" (1/1) ... [2019-10-13 19:10:08,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:08" (1/1) ... [2019-10-13 19:10:08,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:08" (1/1) ... [2019-10-13 19:10:08,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:08" (1/1) ... [2019-10-13 19:10:08,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:08" (1/1) ... [2019-10-13 19:10:08,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:08" (1/1) ... [2019-10-13 19:10:08,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:10:08,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:10:08,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:10:08,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:10:08,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:08" (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 19:10:08,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:10:08,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:10:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-13 19:10:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-13 19:10:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 19:10:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 19:10:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-13 19:10:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2019-10-13 19:10:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 19:10:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 19:10:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-13 19:10:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 19:10:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 19:10:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-10-13 19:10:08,705 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-10-13 19:10:08,705 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2019-10-13 19:10:08,708 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2019-10-13 19:10:08,708 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 19:10:08,708 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_kmalloc_pool [2019-10-13 19:10:08,709 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2019-10-13 19:10:08,709 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2019-10-13 19:10:08,709 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2019-10-13 19:10:08,710 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-10-13 19:10:08,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2019-10-13 19:10:08,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2019-10-13 19:10:08,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2019-10-13 19:10:08,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 19:10:08,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2019-10-13 19:10:08,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 19:10:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 19:10:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 19:10:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 19:10:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 19:10:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 19:10:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 19:10:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 19:10:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 19:10:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 19:10:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2019-10-13 19:10:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2019-10-13 19:10:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2019-10-13 19:10:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf [2019-10-13 19:10:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2019-10-13 19:10:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2019-10-13 19:10:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_find_single_vq [2019-10-13 19:10:08,714 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_done [2019-10-13 19:10:08,714 INFO L138 BoogieDeclarations]: Found implementation of procedure do_req [2019-10-13 19:10:08,714 INFO L138 BoogieDeclarations]: Found implementation of procedure do_virtblk_request [2019-10-13 19:10:08,714 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_prepare_flush [2019-10-13 19:10:08,714 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_get_id [2019-10-13 19:10:08,714 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_ioctl [2019-10-13 19:10:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_getgeo [2019-10-13 19:10:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2019-10-13 19:10:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_probe [2019-10-13 19:10:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2019-10-13 19:10:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-10-13 19:10:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure fini [2019-10-13 19:10:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_virtio_driver_1 [2019-10-13 19:10:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_block_device_operations_2 [2019-10-13 19:10:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:10:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-13 19:10:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 19:10:08,717 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 19:10:08,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request_5 [2019-10-13 19:10:08,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-13 19:10:08,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 19:10:08,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 19:10:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 19:10:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 19:10:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR___0 [2019-10-13 19:10:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_get_request [2019-10-13 19:10:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request [2019-10-13 19:10:08,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_blk_rq [2019-10-13 19:10:08,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 19:10:08,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2019-10-13 19:10:08,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-10-13 19:10:08,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 19:10:08,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-13 19:10:08,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 19:10:08,720 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 19:10:08,720 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 19:10:08,721 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 19:10:08,721 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2019-10-13 19:10:08,721 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2019-10-13 19:10:08,722 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_map_kern [2019-10-13 19:10:08,722 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2019-10-13 19:10:08,723 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2019-10-13 19:10:08,723 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq [2019-10-13 19:10:08,723 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2019-10-13 19:10:08,723 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_peek_request [2019-10-13 19:10:08,724 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_alignment_offset [2019-10-13 19:10:08,724 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_bounce_limit [2019-10-13 19:10:08,724 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_min [2019-10-13 19:10:08,724 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_opt [2019-10-13 19:10:08,724 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2019-10-13 19:10:08,725 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2019-10-13 19:10:08,725 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2019-10-13 19:10:08,725 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segments [2019-10-13 19:10:08,725 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2019-10-13 19:10:08,725 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_physical_block_size [2019-10-13 19:10:08,725 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_sg [2019-10-13 19:10:08,725 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2019-10-13 19:10:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_request [2019-10-13 19:10:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2019-10-13 19:10:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-13 19:10:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2019-10-13 19:10:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 19:10:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 19:10:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2019-10-13 19:10:08,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2019-10-13 19:10:08,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2019-10-13 19:10:08,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2019-10-13 19:10:08,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2019-10-13 19:10:08,727 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-13 19:10:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2019-10-13 19:10:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2019-10-13 19:10:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure register_virtio_driver [2019-10-13 19:10:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2019-10-13 19:10:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure set_disk_ro [2019-10-13 19:10:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2019-10-13 19:10:08,729 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2019-10-13 19:10:08,729 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_virtio_driver [2019-10-13 19:10:08,729 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_check_driver_offered_feature [2019-10-13 19:10:08,729 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf_gfp [2019-10-13 19:10:08,730 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_get_buf [2019-10-13 19:10:08,730 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_kick [2019-10-13 19:10:08,730 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 19:10:08,731 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 19:10:08,731 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 19:10:08,731 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 19:10:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:10:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 19:10:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-13 19:10:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-13 19:10:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 19:10:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-13 19:10:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2019-10-13 19:10:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 19:10:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-13 19:10:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 19:10:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 19:10:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 19:10:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:10:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 19:10:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 19:10:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:10:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 19:10:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-13 19:10:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2019-10-13 19:10:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 19:10:08,746 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 19:10:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 19:10:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 19:10:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 19:10:08,747 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-13 19:10:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-10-13 19:10:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-10-13 19:10:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-10-13 19:10:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2019-10-13 19:10:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2019-10-13 19:10:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2019-10-13 19:10:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2019-10-13 19:10:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure set_disk_ro [2019-10-13 19:10:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2019-10-13 19:10:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:10:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2019-10-13 19:10:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:10:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2019-10-13 19:10:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2019-10-13 19:10:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 19:10:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 19:10:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2019-10-13 19:10:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2019-10-13 19:10:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2019-10-13 19:10:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2019-10-13 19:10:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kmalloc [2019-10-13 19:10:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kfree [2019-10-13 19:10:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_kmalloc_pool [2019-10-13 19:10:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2019-10-13 19:10:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure bio_map_kern [2019-10-13 19:10:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2019-10-13 19:10:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request_5 [2019-10-13 19:10:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2019-10-13 19:10:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2019-10-13 19:10:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2019-10-13 19:10:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq [2019-10-13 19:10:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2019-10-13 19:10:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure blk_peek_request [2019-10-13 19:10:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_request [2019-10-13 19:10:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2019-10-13 19:10:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2019-10-13 19:10:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2019-10-13 19:10:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2019-10-13 19:10:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2019-10-13 19:10:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2019-10-13 19:10:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2019-10-13 19:10:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2019-10-13 19:10:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_physical_block_size [2019-10-13 19:10:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_alignment_offset [2019-10-13 19:10:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_min [2019-10-13 19:10:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_opt [2019-10-13 19:10:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2019-10-13 19:10:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_sg [2019-10-13 19:10:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2019-10-13 19:10:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request [2019-10-13 19:10:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 19:10:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 19:10:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 19:10:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 19:10:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-10-13 19:10:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:10:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-13 19:10:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2019-10-13 19:10:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2019-10-13 19:10:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2019-10-13 19:10:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 19:10:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 19:10:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-10-13 19:10:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2019-10-13 19:10:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 19:10:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:10:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 19:10:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:10:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 19:10:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 19:10:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 19:10:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 19:10:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:10:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 19:10:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 19:10:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 19:10:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 19:10:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 19:10:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 19:10:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 19:10:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 19:10:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_virtio_driver_1 [2019-10-13 19:10:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_block_device_operations_2 [2019-10-13 19:10:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2019-10-13 19:10:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2019-10-13 19:10:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2019-10-13 19:10:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2019-10-13 19:10:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf_gfp [2019-10-13 19:10:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf [2019-10-13 19:10:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_kick [2019-10-13 19:10:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_get_buf [2019-10-13 19:10:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure register_virtio_driver [2019-10-13 19:10:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_virtio_driver [2019-10-13 19:10:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_check_driver_offered_feature [2019-10-13 19:10:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2019-10-13 19:10:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2019-10-13 19:10:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-13 19:10:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_find_single_vq [2019-10-13 19:10:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 19:10:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:10:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure blk_done [2019-10-13 19:10:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure do_req [2019-10-13 19:10:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure do_virtblk_request [2019-10-13 19:10:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_prepare_flush [2019-10-13 19:10:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_get_id [2019-10-13 19:10:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_ioctl [2019-10-13 19:10:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_getgeo [2019-10-13 19:10:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2019-10-13 19:10:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_probe [2019-10-13 19:10:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 19:10:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2019-10-13 19:10:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-13 19:10:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure fini [2019-10-13 19:10:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 19:10:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 19:10:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:10:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 19:10:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-13 19:10:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 19:10:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR___0 [2019-10-13 19:10:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_get_request [2019-10-13 19:10:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_blk_rq [2019-10-13 19:10:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 19:10:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:10:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:10:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 19:10:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:10:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:10:10,071 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 19:10:10,344 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-13 19:10:11,215 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:10:11,215 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 19:10:11,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:10:11 BoogieIcfgContainer [2019-10-13 19:10:11,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:10:11,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:10:11,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:10:11,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:10:11,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:10:06" (1/3) ... [2019-10-13 19:10:11,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43db4900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:10:11, skipping insertion in model container [2019-10-13 19:10:11,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:08" (2/3) ... [2019-10-13 19:10:11,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43db4900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:10:11, skipping insertion in model container [2019-10-13 19:10:11,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:10:11" (3/3) ... [2019-10-13 19:10:11,226 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-10-13 19:10:11,236 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:10:11,248 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:10:11,259 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:10:11,300 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:10:11,300 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:10:11,300 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:10:11,300 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:10:11,300 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:10:11,301 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:10:11,301 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:10:11,301 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:10:11,352 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states. [2019-10-13 19:10:11,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 19:10:11,367 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:10:11,368 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:10:11,371 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:10:11,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:10:11,378 INFO L82 PathProgramCache]: Analyzing trace with hash -975117847, now seen corresponding path program 1 times [2019-10-13 19:10:11,388 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:10:11,389 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959831851] [2019-10-13 19:10:11,389 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:10:11,389 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:10:11,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:10:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:12,174 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-13 19:10:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:12,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:10:12,305 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959831851] [2019-10-13 19:10:12,306 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:10:12,306 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 19:10:12,307 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327573150] [2019-10-13 19:10:12,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 19:10:12,312 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:10:12,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 19:10:12,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 19:10:12,328 INFO L87 Difference]: Start difference. First operand 871 states. Second operand 6 states. [2019-10-13 19:10:12,626 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-13 19:10:13,241 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-13 19:10:15,754 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-10-13 19:10:24,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:10:24,126 INFO L93 Difference]: Finished difference Result 2634 states and 3333 transitions. [2019-10-13 19:10:24,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 19:10:24,128 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2019-10-13 19:10:24,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:10:24,174 INFO L225 Difference]: With dead ends: 2634 [2019-10-13 19:10:24,175 INFO L226 Difference]: Without dead ends: 1753 [2019-10-13 19:10:24,189 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:10:24,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1753 states. [2019-10-13 19:10:24,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1753 to 1392. [2019-10-13 19:10:24,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1392 states. [2019-10-13 19:10:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1652 transitions. [2019-10-13 19:10:24,527 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1652 transitions. Word has length 43 [2019-10-13 19:10:24,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:10:24,528 INFO L462 AbstractCegarLoop]: Abstraction has 1392 states and 1652 transitions. [2019-10-13 19:10:24,528 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 19:10:24,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1652 transitions. [2019-10-13 19:10:24,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-13 19:10:24,532 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:10:24,532 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:10:24,533 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:10:24,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:10:24,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1686201532, now seen corresponding path program 1 times [2019-10-13 19:10:24,533 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:10:24,533 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215282991] [2019-10-13 19:10:24,534 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:10:24,534 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:10:24,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:10:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:24,787 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-13 19:10:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:24,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:10:24,902 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215282991] [2019-10-13 19:10:24,903 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:10:24,903 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 19:10:24,903 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897178370] [2019-10-13 19:10:24,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 19:10:24,905 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:10:24,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 19:10:24,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 19:10:24,906 INFO L87 Difference]: Start difference. First operand 1392 states and 1652 transitions. Second operand 7 states. [2019-10-13 19:10:25,096 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-13 19:10:25,343 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-13 19:10:25,578 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-10-13 19:10:37,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:10:37,555 INFO L93 Difference]: Finished difference Result 3522 states and 4535 transitions. [2019-10-13 19:10:37,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-13 19:10:37,556 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-10-13 19:10:37,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:10:37,578 INFO L225 Difference]: With dead ends: 3522 [2019-10-13 19:10:37,578 INFO L226 Difference]: Without dead ends: 3501 [2019-10-13 19:10:37,581 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2019-10-13 19:10:37,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3501 states. [2019-10-13 19:10:37,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3501 to 2725. [2019-10-13 19:10:37,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2725 states. [2019-10-13 19:10:37,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 3251 transitions. [2019-10-13 19:10:37,859 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 3251 transitions. Word has length 45 [2019-10-13 19:10:37,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:10:37,859 INFO L462 AbstractCegarLoop]: Abstraction has 2725 states and 3251 transitions. [2019-10-13 19:10:37,859 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 19:10:37,859 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 3251 transitions. [2019-10-13 19:10:37,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-13 19:10:37,871 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:10:37,872 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 19:10:37,872 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:10:37,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:10:37,873 INFO L82 PathProgramCache]: Analyzing trace with hash 35170572, now seen corresponding path program 1 times [2019-10-13 19:10:37,873 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:10:37,873 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683235071] [2019-10-13 19:10:37,873 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:10:37,873 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:10:37,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:10:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,172 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-13 19:10:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:10:38,511 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-13 19:10:38,512 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683235071] [2019-10-13 19:10:38,512 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:10:38,512 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:10:38,513 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599019185] [2019-10-13 19:10:38,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:10:38,514 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:10:38,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:10:38,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:10:38,515 INFO L87 Difference]: Start difference. First operand 2725 states and 3251 transitions. Second operand 10 states. [2019-10-13 19:10:38,733 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-13 19:10:39,051 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-13 19:10:39,301 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 141