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 0.1.24-13a467a-m [2019-10-14 23:09:04,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:09:04,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:09:04,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:09:04,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:09:04,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:09:04,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:09:04,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:09:04,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:09:04,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:09:04,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:09:04,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:09:04,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:09:04,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:09:04,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:09:04,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:09:04,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:09:04,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:09:04,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:09:04,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:09:04,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:09:04,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:09:04,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:09:04,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:09:04,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:09:04,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:09:04,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:09:04,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:09:04,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:09:04,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:09:04,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:09:04,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:09:04,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:09:04,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:09:04,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:09:04,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:09:04,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:09:04,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:09:04,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:09:04,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:09:04,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:09:04,489 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 [2019-10-14 23:09:04,524 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:09:04,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:09:04,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:09:04,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:09:04,528 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:09:04,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:09:04,529 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:09:04,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:09:04,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:09:04,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:09:04,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:09:04,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:09:04,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:09:04,530 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:09:04,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:09:04,532 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:09:04,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:09:04,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:09:04,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:09:04,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:09:04,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:09:04,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:09:04,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:09:04,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:09:04,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:09:04,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:09:04,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:09:04,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:09:04,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:09:04,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:09:04,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:09:04,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:09:04,843 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:09:04,843 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:09:04,844 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-10-14 23:09:04,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0423aba03/32d4fc79a1cd44b1b98e9e0ff3943707/FLAG3e8743881 [2019-10-14 23:09:05,617 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:09:05,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-10-14 23:09:05,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0423aba03/32d4fc79a1cd44b1b98e9e0ff3943707/FLAG3e8743881 [2019-10-14 23:09:05,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0423aba03/32d4fc79a1cd44b1b98e9e0ff3943707 [2019-10-14 23:09:05,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:09:05,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:09:05,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:09:05,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:09:05,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:09:05,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:09:05" (1/1) ... [2019-10-14 23:09:05,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a147f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:05, skipping insertion in model container [2019-10-14 23:09:05,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:09:05" (1/1) ... [2019-10-14 23:09:05,948 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:09:06,042 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:09:07,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:09:07,459 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:09:07,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:09:07,967 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:09:07,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07 WrapperNode [2019-10-14 23:09:07,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:09:07,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:09:07,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:09:07,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:09:07,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2019-10-14 23:09:07,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2019-10-14 23:09:08,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2019-10-14 23:09:08,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2019-10-14 23:09:08,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2019-10-14 23:09:08,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2019-10-14 23:09:08,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (1/1) ... [2019-10-14 23:09:08,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:09:08,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:09:08,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:09:08,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:09:08,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (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 [2019-10-14 23:09:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:09:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:09:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-14 23:09:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-14 23:09:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-14 23:09:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 23:09:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-14 23:09:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2019-10-14 23:09:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-14 23:09:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-14 23:09:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-14 23:09:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-14 23:09:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-14 23:09:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-10-14 23:09:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-10-14 23:09:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2019-10-14 23:09:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2019-10-14 23:09:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-14 23:09:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_kmalloc_pool [2019-10-14 23:09:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2019-10-14 23:09:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2019-10-14 23:09:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2019-10-14 23:09:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-10-14 23:09:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2019-10-14 23:09:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2019-10-14 23:09:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2019-10-14 23:09:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-14 23:09:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2019-10-14 23:09:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-14 23:09:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 23:09:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 23:09:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 23:09:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 23:09:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 23:09:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 23:09:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 23:09:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 23:09:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-14 23:09:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2019-10-14 23:09:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2019-10-14 23:09:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2019-10-14 23:09:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf [2019-10-14 23:09:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2019-10-14 23:09:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2019-10-14 23:09:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_find_single_vq [2019-10-14 23:09:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_done [2019-10-14 23:09:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure do_req [2019-10-14 23:09:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure do_virtblk_request [2019-10-14 23:09:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_prepare_flush [2019-10-14 23:09:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_get_id [2019-10-14 23:09:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_ioctl [2019-10-14 23:09:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_getgeo [2019-10-14 23:09:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2019-10-14 23:09:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_probe [2019-10-14 23:09:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2019-10-14 23:09:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-10-14 23:09:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure fini [2019-10-14 23:09:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_virtio_driver_1 [2019-10-14 23:09:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_block_device_operations_2 [2019-10-14 23:09:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:09:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-14 23:09:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-14 23:09:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-14 23:09:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request_5 [2019-10-14 23:09:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-14 23:09:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-14 23:09:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-14 23:09:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-14 23:09:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-14 23:09:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR___0 [2019-10-14 23:09:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_get_request [2019-10-14 23:09:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request [2019-10-14 23:09:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_blk_rq [2019-10-14 23:09:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 23:09:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2019-10-14 23:09:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-10-14 23:09:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-14 23:09:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-14 23:09:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-14 23:09:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-14 23:09:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-14 23:09:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-14 23:09:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2019-10-14 23:09:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2019-10-14 23:09:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_map_kern [2019-10-14 23:09:08,276 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2019-10-14 23:09:08,276 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2019-10-14 23:09:08,276 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq [2019-10-14 23:09:08,276 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2019-10-14 23:09:08,276 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_peek_request [2019-10-14 23:09:08,276 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_alignment_offset [2019-10-14 23:09:08,276 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_bounce_limit [2019-10-14 23:09:08,277 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_min [2019-10-14 23:09:08,277 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_opt [2019-10-14 23:09:08,277 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2019-10-14 23:09:08,277 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2019-10-14 23:09:08,277 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2019-10-14 23:09:08,277 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segments [2019-10-14 23:09:08,277 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2019-10-14 23:09:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_physical_block_size [2019-10-14 23:09:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_sg [2019-10-14 23:09:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2019-10-14 23:09:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_request [2019-10-14 23:09:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2019-10-14 23:09:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-14 23:09:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2019-10-14 23:09:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 23:09:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-14 23:09:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2019-10-14 23:09:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2019-10-14 23:09:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2019-10-14 23:09:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2019-10-14 23:09:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2019-10-14 23:09:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-14 23:09:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2019-10-14 23:09:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2019-10-14 23:09:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure register_virtio_driver [2019-10-14 23:09:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2019-10-14 23:09:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure set_disk_ro [2019-10-14 23:09:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2019-10-14 23:09:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2019-10-14 23:09:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_virtio_driver [2019-10-14 23:09:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_check_driver_offered_feature [2019-10-14 23:09:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf_gfp [2019-10-14 23:09:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_get_buf [2019-10-14 23:09:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_kick [2019-10-14 23:09:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 23:09:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 23:09:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-14 23:09:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 23:09:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:09:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 23:09:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-14 23:09:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-14 23:09:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-14 23:09:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-14 23:09:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2019-10-14 23:09:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-14 23:09:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-14 23:09:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-14 23:09:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-14 23:09:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-14 23:09:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:09:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-14 23:09:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-14 23:09:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:09:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-14 23:09:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-14 23:09:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2019-10-14 23:09:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-14 23:09:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-14 23:09:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-14 23:09:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-14 23:09:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-14 23:09:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-14 23:09:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-10-14 23:09:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-10-14 23:09:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-10-14 23:09:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2019-10-14 23:09:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2019-10-14 23:09:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2019-10-14 23:09:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2019-10-14 23:09:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure set_disk_ro [2019-10-14 23:09:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2019-10-14 23:09:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:09:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2019-10-14 23:09:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:09:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2019-10-14 23:09:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2019-10-14 23:09:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-14 23:09:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-14 23:09:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2019-10-14 23:09:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2019-10-14 23:09:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2019-10-14 23:09:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2019-10-14 23:09:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kmalloc [2019-10-14 23:09:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kfree [2019-10-14 23:09:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_kmalloc_pool [2019-10-14 23:09:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2019-10-14 23:09:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure bio_map_kern [2019-10-14 23:09:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2019-10-14 23:09:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request_5 [2019-10-14 23:09:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2019-10-14 23:09:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2019-10-14 23:09:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2019-10-14 23:09:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq [2019-10-14 23:09:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2019-10-14 23:09:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure blk_peek_request [2019-10-14 23:09:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_request [2019-10-14 23:09:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2019-10-14 23:09:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2019-10-14 23:09:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2019-10-14 23:09:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2019-10-14 23:09:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2019-10-14 23:09:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2019-10-14 23:09:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2019-10-14 23:09:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2019-10-14 23:09:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_physical_block_size [2019-10-14 23:09:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_alignment_offset [2019-10-14 23:09:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_min [2019-10-14 23:09:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_opt [2019-10-14 23:09:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2019-10-14 23:09:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_sg [2019-10-14 23:09:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2019-10-14 23:09:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request [2019-10-14 23:09:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-14 23:09:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-14 23:09:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-14 23:09:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 23:09:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-10-14 23:09:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:09:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-14 23:09:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2019-10-14 23:09:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2019-10-14 23:09:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2019-10-14 23:09:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 23:09:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-14 23:09:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-10-14 23:09:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2019-10-14 23:09:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-14 23:09:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:09:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 23:09:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:09:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-14 23:09:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 23:09:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 23:09:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 23:09:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:09:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 23:09:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 23:09:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 23:09:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 23:09:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 23:09:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 23:09:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 23:09:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-14 23:09:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_virtio_driver_1 [2019-10-14 23:09:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_block_device_operations_2 [2019-10-14 23:09:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2019-10-14 23:09:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2019-10-14 23:09:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2019-10-14 23:09:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2019-10-14 23:09:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf_gfp [2019-10-14 23:09:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf [2019-10-14 23:09:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_kick [2019-10-14 23:09:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_get_buf [2019-10-14 23:09:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure register_virtio_driver [2019-10-14 23:09:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_virtio_driver [2019-10-14 23:09:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_check_driver_offered_feature [2019-10-14 23:09:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2019-10-14 23:09:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2019-10-14 23:09:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-14 23:09:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_find_single_vq [2019-10-14 23:09:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-14 23:09:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:09:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure blk_done [2019-10-14 23:09:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure do_req [2019-10-14 23:09:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure do_virtblk_request [2019-10-14 23:09:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_prepare_flush [2019-10-14 23:09:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_get_id [2019-10-14 23:09:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_ioctl [2019-10-14 23:09:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_getgeo [2019-10-14 23:09:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2019-10-14 23:09:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_probe [2019-10-14 23:09:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 23:09:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2019-10-14 23:09:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-14 23:09:08,300 INFO L130 BoogieDeclarations]: Found specification of procedure fini [2019-10-14 23:09:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 23:09:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 23:09:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:09:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-14 23:09:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-14 23:09:08,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-14 23:09:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR___0 [2019-10-14 23:09:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_get_request [2019-10-14 23:09:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_blk_rq [2019-10-14 23:09:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 23:09:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:09:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:09:08,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 23:09:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:09:08,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:09:09,463 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 23:09:09,703 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-14 23:09:10,722 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:09:10,723 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 23:09:10,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:09:10 BoogieIcfgContainer [2019-10-14 23:09:10,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:09:10,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:09:10,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:09:10,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:09:10,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:09:05" (1/3) ... [2019-10-14 23:09:10,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f87548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:09:10, skipping insertion in model container [2019-10-14 23:09:10,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:09:07" (2/3) ... [2019-10-14 23:09:10,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f87548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:09:10, skipping insertion in model container [2019-10-14 23:09:10,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:09:10" (3/3) ... [2019-10-14 23:09:10,734 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-10-14 23:09:10,744 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:09:10,759 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:09:10,771 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:09:10,812 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:09:10,813 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:09:10,813 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:09:10,813 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:09:10,813 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:09:10,813 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:09:10,813 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:09:10,813 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:09:10,859 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states. [2019-10-14 23:09:10,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-14 23:09:10,873 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:09:10,875 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] [2019-10-14 23:09:10,877 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:09:10,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:09:10,882 INFO L82 PathProgramCache]: Analyzing trace with hash -975117847, now seen corresponding path program 1 times [2019-10-14 23:09:10,888 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:09:10,889 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057613738] [2019-10-14 23:09:10,889 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:09:10,889 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:09:10,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:09:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:11,560 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-14 23:09:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:09:11,671 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057613738] [2019-10-14 23:09:11,672 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:09:11,672 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-14 23:09:11,673 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183293978] [2019-10-14 23:09:11,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-14 23:09:11,678 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:09:11,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-14 23:09:11,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-14 23:09:11,761 INFO L87 Difference]: Start difference. First operand 871 states. Second operand 6 states. [2019-10-14 23:09:11,965 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-14 23:09:12,494 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-14 23:09:14,939 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-10-14 23:09:23,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:09:23,092 INFO L93 Difference]: Finished difference Result 2634 states and 3333 transitions. [2019-10-14 23:09:23,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-14 23:09:23,095 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2019-10-14 23:09:23,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:09:23,128 INFO L225 Difference]: With dead ends: 2634 [2019-10-14 23:09:23,128 INFO L226 Difference]: Without dead ends: 1753 [2019-10-14 23:09:23,139 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:09:23,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1753 states. [2019-10-14 23:09:23,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1753 to 1392. [2019-10-14 23:09:23,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1392 states. [2019-10-14 23:09:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1652 transitions. [2019-10-14 23:09:23,419 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1652 transitions. Word has length 43 [2019-10-14 23:09:23,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:09:23,419 INFO L462 AbstractCegarLoop]: Abstraction has 1392 states and 1652 transitions. [2019-10-14 23:09:23,419 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-14 23:09:23,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1652 transitions. [2019-10-14 23:09:23,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-14 23:09:23,424 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:09:23,424 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] [2019-10-14 23:09:23,425 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:09:23,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:09:23,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1686201532, now seen corresponding path program 1 times [2019-10-14 23:09:23,425 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:09:23,426 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132455930] [2019-10-14 23:09:23,426 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:09:23,426 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:09:23,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:09:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:23,660 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-14 23:09:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:23,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:09:23,776 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132455930] [2019-10-14 23:09:23,776 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:09:23,777 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 23:09:23,777 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723806523] [2019-10-14 23:09:23,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 23:09:23,779 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:09:23,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 23:09:23,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-14 23:09:23,780 INFO L87 Difference]: Start difference. First operand 1392 states and 1652 transitions. Second operand 7 states. [2019-10-14 23:09:23,946 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-14 23:09:24,159 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-14 23:09:24,462 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-10-14 23:09:36,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:09:36,542 INFO L93 Difference]: Finished difference Result 3522 states and 4535 transitions. [2019-10-14 23:09:36,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-14 23:09:36,542 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-10-14 23:09:36,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:09:36,567 INFO L225 Difference]: With dead ends: 3522 [2019-10-14 23:09:36,567 INFO L226 Difference]: Without dead ends: 3501 [2019-10-14 23:09:36,570 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2019-10-14 23:09:36,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3501 states. [2019-10-14 23:09:36,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3501 to 2725. [2019-10-14 23:09:36,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2725 states. [2019-10-14 23:09:36,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 3251 transitions. [2019-10-14 23:09:36,908 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 3251 transitions. Word has length 45 [2019-10-14 23:09:36,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:09:36,909 INFO L462 AbstractCegarLoop]: Abstraction has 2725 states and 3251 transitions. [2019-10-14 23:09:36,909 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-14 23:09:36,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 3251 transitions. [2019-10-14 23:09:36,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-14 23:09:36,924 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:09:36,925 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] [2019-10-14 23:09:36,925 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:09:36,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:09:36,926 INFO L82 PathProgramCache]: Analyzing trace with hash 35170572, now seen corresponding path program 1 times [2019-10-14 23:09:36,926 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:09:36,926 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292937961] [2019-10-14 23:09:36,926 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:09:36,927 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:09:36,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:09:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,218 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-14 23:09:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:09:37,574 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-14 23:09:37,574 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292937961] [2019-10-14 23:09:37,575 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:09:37,575 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:09:37,575 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200264737] [2019-10-14 23:09:37,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:09:37,576 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:09:37,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:09:37,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:09:37,577 INFO L87 Difference]: Start difference. First operand 2725 states and 3251 transitions. Second operand 10 states. [2019-10-14 23:09:37,814 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-14 23:09:38,070 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-14 23:09:38,311 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 141