java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 02:56:42,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:56:42,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:56:42,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:56:42,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:56:42,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:56:42,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:56:42,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:56:42,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:56:42,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:56:42,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:56:42,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:56:42,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:56:42,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:56:42,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:56:42,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:56:42,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:56:42,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:56:42,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:56:42,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:56:42,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:56:42,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:56:42,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:56:42,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:56:42,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:56:42,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:56:42,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:56:42,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:56:42,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:56:42,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:56:42,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:56:42,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:56:42,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:56:42,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:56:42,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:56:42,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:56:42,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:56:42,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:56:42,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:56:42,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:56:42,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:56:42,378 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 [2019-10-15 02:56:42,391 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:56:42,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:56:42,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:56:42,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:56:42,397 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:56:42,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:56:42,397 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:56:42,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:56:42,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:56:42,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:56:42,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:56:42,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:56:42,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:56:42,398 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:56:42,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:56:42,399 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:56:42,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:56:42,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:56:42,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:56:42,400 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:56:42,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:56:42,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:56:42,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:56:42,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:56:42,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:56:42,401 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:56:42,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:56:42,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:56:42,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:56:42,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:56:42,732 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:56:42,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:56:42,737 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:56:42,738 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:56:42,739 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-10-15 02:56:42,819 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/461785d7f/dde025471c52470d9f02deaa6c8895b3/FLAGc49d243aa [2019-10-15 02:56:43,585 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:56:43,586 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-10-15 02:56:43,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/461785d7f/dde025471c52470d9f02deaa6c8895b3/FLAGc49d243aa [2019-10-15 02:56:43,672 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/461785d7f/dde025471c52470d9f02deaa6c8895b3 [2019-10-15 02:56:43,682 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:56:43,684 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:56:43,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:56:43,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:56:43,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:56:43,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:56:43" (1/1) ... [2019-10-15 02:56:43,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36627778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:43, skipping insertion in model container [2019-10-15 02:56:43,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:56:43" (1/1) ... [2019-10-15 02:56:43,701 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:56:43,808 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:56:45,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:56:45,217 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:56:45,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:56:45,717 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:56:45,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:45 WrapperNode [2019-10-15 02:56:45,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:56:45,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:56:45,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:56:45,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:56:45,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:45" (1/1) ... [2019-10-15 02:56:45,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:45" (1/1) ... [2019-10-15 02:56:45,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:45" (1/1) ... [2019-10-15 02:56:45,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:45" (1/1) ... [2019-10-15 02:56:45,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:45" (1/1) ... [2019-10-15 02:56:45,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:45" (1/1) ... [2019-10-15 02:56:45,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:45" (1/1) ... [2019-10-15 02:56:45,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:56:45,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:56:45,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:56:45,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:56:45,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:45" (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 [2019-10-15 02:56:46,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:56:46,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:56:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-15 02:56:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-15 02:56:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:56:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 02:56:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-15 02:56:46,065 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2019-10-15 02:56:46,065 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 02:56:46,065 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-15 02:56:46,065 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-15 02:56:46,065 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 02:56:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 02:56:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-10-15 02:56:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-10-15 02:56:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2019-10-15 02:56:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2019-10-15 02:56:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-15 02:56:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_kmalloc_pool [2019-10-15 02:56:46,069 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2019-10-15 02:56:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2019-10-15 02:56:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2019-10-15 02:56:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-10-15 02:56:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2019-10-15 02:56:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2019-10-15 02:56:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2019-10-15 02:56:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 02:56:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2019-10-15 02:56:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 02:56:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:56:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 02:56:46,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 02:56:46,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 02:56:46,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 02:56:46,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:56:46,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 02:56:46,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 02:56:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 02:56:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2019-10-15 02:56:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2019-10-15 02:56:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2019-10-15 02:56:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf [2019-10-15 02:56:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2019-10-15 02:56:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2019-10-15 02:56:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_find_single_vq [2019-10-15 02:56:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_done [2019-10-15 02:56:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure do_req [2019-10-15 02:56:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure do_virtblk_request [2019-10-15 02:56:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_prepare_flush [2019-10-15 02:56:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_get_id [2019-10-15 02:56:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_ioctl [2019-10-15 02:56:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_getgeo [2019-10-15 02:56:46,080 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2019-10-15 02:56:46,080 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_probe [2019-10-15 02:56:46,080 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2019-10-15 02:56:46,080 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-10-15 02:56:46,080 INFO L138 BoogieDeclarations]: Found implementation of procedure fini [2019-10-15 02:56:46,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_virtio_driver_1 [2019-10-15 02:56:46,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_block_device_operations_2 [2019-10-15 02:56:46,082 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:56:46,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-15 02:56:46,082 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-15 02:56:46,082 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-15 02:56:46,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request_5 [2019-10-15 02:56:46,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-15 02:56:46,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 02:56:46,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 02:56:46,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 02:56:46,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 02:56:46,083 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR___0 [2019-10-15 02:56:46,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_get_request [2019-10-15 02:56:46,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request [2019-10-15 02:56:46,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_blk_rq [2019-10-15 02:56:46,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:56:46,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2019-10-15 02:56:46,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-10-15 02:56:46,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 02:56:46,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-15 02:56:46,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 02:56:46,088 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-15 02:56:46,088 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-15 02:56:46,089 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:56:46,090 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2019-10-15 02:56:46,090 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2019-10-15 02:56:46,090 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_map_kern [2019-10-15 02:56:46,090 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2019-10-15 02:56:46,090 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2019-10-15 02:56:46,092 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq [2019-10-15 02:56:46,092 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2019-10-15 02:56:46,092 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_peek_request [2019-10-15 02:56:46,092 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_alignment_offset [2019-10-15 02:56:46,093 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_bounce_limit [2019-10-15 02:56:46,093 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_min [2019-10-15 02:56:46,093 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_opt [2019-10-15 02:56:46,093 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2019-10-15 02:56:46,093 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2019-10-15 02:56:46,094 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2019-10-15 02:56:46,094 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segments [2019-10-15 02:56:46,094 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2019-10-15 02:56:46,094 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_physical_block_size [2019-10-15 02:56:46,094 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_sg [2019-10-15 02:56:46,095 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2019-10-15 02:56:46,095 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_request [2019-10-15 02:56:46,095 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2019-10-15 02:56:46,095 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-15 02:56:46,095 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2019-10-15 02:56:46,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:56:46,096 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-15 02:56:46,096 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2019-10-15 02:56:46,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2019-10-15 02:56:46,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2019-10-15 02:56:46,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2019-10-15 02:56:46,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2019-10-15 02:56:46,097 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-15 02:56:46,097 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2019-10-15 02:56:46,097 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2019-10-15 02:56:46,097 INFO L138 BoogieDeclarations]: Found implementation of procedure register_virtio_driver [2019-10-15 02:56:46,098 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2019-10-15 02:56:46,098 INFO L138 BoogieDeclarations]: Found implementation of procedure set_disk_ro [2019-10-15 02:56:46,098 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2019-10-15 02:56:46,098 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2019-10-15 02:56:46,099 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_virtio_driver [2019-10-15 02:56:46,099 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_check_driver_offered_feature [2019-10-15 02:56:46,099 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf_gfp [2019-10-15 02:56:46,100 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_get_buf [2019-10-15 02:56:46,100 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_kick [2019-10-15 02:56:46,100 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:56:46,101 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:56:46,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:56:46,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 02:56:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:56:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 02:56:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-15 02:56:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-15 02:56:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-15 02:56:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-15 02:56:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2019-10-15 02:56:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:56:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-15 02:56:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-15 02:56:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-15 02:56:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 02:56:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:56:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 02:56:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-15 02:56:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:56:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-15 02:56:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-15 02:56:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2019-10-15 02:56:46,120 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 02:56:46,120 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-15 02:56:46,120 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:56:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 02:56:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 02:56:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-15 02:56:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-10-15 02:56:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-10-15 02:56:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-10-15 02:56:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2019-10-15 02:56:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2019-10-15 02:56:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2019-10-15 02:56:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2019-10-15 02:56:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure set_disk_ro [2019-10-15 02:56:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2019-10-15 02:56:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:56:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2019-10-15 02:56:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:56:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2019-10-15 02:56:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2019-10-15 02:56:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-15 02:56:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-15 02:56:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2019-10-15 02:56:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2019-10-15 02:56:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2019-10-15 02:56:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2019-10-15 02:56:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kmalloc [2019-10-15 02:56:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kfree [2019-10-15 02:56:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_kmalloc_pool [2019-10-15 02:56:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2019-10-15 02:56:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure bio_map_kern [2019-10-15 02:56:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2019-10-15 02:56:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request_5 [2019-10-15 02:56:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2019-10-15 02:56:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2019-10-15 02:56:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2019-10-15 02:56:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq [2019-10-15 02:56:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2019-10-15 02:56:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure blk_peek_request [2019-10-15 02:56:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_request [2019-10-15 02:56:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2019-10-15 02:56:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2019-10-15 02:56:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2019-10-15 02:56:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2019-10-15 02:56:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2019-10-15 02:56:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2019-10-15 02:56:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2019-10-15 02:56:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2019-10-15 02:56:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_physical_block_size [2019-10-15 02:56:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_alignment_offset [2019-10-15 02:56:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_min [2019-10-15 02:56:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_opt [2019-10-15 02:56:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2019-10-15 02:56:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_sg [2019-10-15 02:56:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2019-10-15 02:56:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request [2019-10-15 02:56:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 02:56:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 02:56:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 02:56:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:56:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-10-15 02:56:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:56:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-15 02:56:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2019-10-15 02:56:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2019-10-15 02:56:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2019-10-15 02:56:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:56:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 02:56:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-10-15 02:56:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2019-10-15 02:56:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 02:56:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:56:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 02:56:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:56:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 02:56:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:56:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:56:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:56:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:56:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 02:56:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 02:56:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 02:56:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 02:56:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 02:56:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:56:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 02:56:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 02:56:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_virtio_driver_1 [2019-10-15 02:56:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_block_device_operations_2 [2019-10-15 02:56:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2019-10-15 02:56:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2019-10-15 02:56:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2019-10-15 02:56:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2019-10-15 02:56:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf_gfp [2019-10-15 02:56:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf [2019-10-15 02:56:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_kick [2019-10-15 02:56:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_get_buf [2019-10-15 02:56:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure register_virtio_driver [2019-10-15 02:56:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_virtio_driver [2019-10-15 02:56:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_check_driver_offered_feature [2019-10-15 02:56:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2019-10-15 02:56:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2019-10-15 02:56:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-15 02:56:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_find_single_vq [2019-10-15 02:56:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:56:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:56:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure blk_done [2019-10-15 02:56:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure do_req [2019-10-15 02:56:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure do_virtblk_request [2019-10-15 02:56:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_prepare_flush [2019-10-15 02:56:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_get_id [2019-10-15 02:56:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_ioctl [2019-10-15 02:56:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_getgeo [2019-10-15 02:56:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2019-10-15 02:56:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_probe [2019-10-15 02:56:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 02:56:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2019-10-15 02:56:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-15 02:56:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure fini [2019-10-15 02:56:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:56:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:56:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:56:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:56:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-15 02:56:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 02:56:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR___0 [2019-10-15 02:56:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_get_request [2019-10-15 02:56:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_blk_rq [2019-10-15 02:56:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:56:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:56:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:56:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:56:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:56:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:56:47,390 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 02:56:47,613 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-15 02:56:49,995 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:56:49,995 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:56:49,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:56:49 BoogieIcfgContainer [2019-10-15 02:56:49,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:56:49,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:56:49,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:56:50,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:56:50,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:56:43" (1/3) ... [2019-10-15 02:56:50,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3792d6f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:56:50, skipping insertion in model container [2019-10-15 02:56:50,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:45" (2/3) ... [2019-10-15 02:56:50,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3792d6f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:56:50, skipping insertion in model container [2019-10-15 02:56:50,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:56:49" (3/3) ... [2019-10-15 02:56:50,005 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-10-15 02:56:50,015 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:56:50,025 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:56:50,043 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:56:50,097 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:56:50,097 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:56:50,097 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:56:50,097 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:56:50,098 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:56:50,098 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:56:50,098 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:56:50,098 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:56:50,154 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states. [2019-10-15 02:56:50,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-15 02:56:50,174 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:56:50,176 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] [2019-10-15 02:56:50,179 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:56:50,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:56:50,188 INFO L82 PathProgramCache]: Analyzing trace with hash -565860301, now seen corresponding path program 1 times [2019-10-15 02:56:50,199 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:56:50,200 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663451686] [2019-10-15 02:56:50,200 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:50,201 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:50,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:56:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:56:50,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:56:50,832 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663451686] [2019-10-15 02:56:50,833 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:56:50,834 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:56:50,834 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975649855] [2019-10-15 02:56:50,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:56:50,843 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:56:50,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:56:50,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:56:50,869 INFO L87 Difference]: Start difference. First operand 704 states. Second operand 3 states. [2019-10-15 02:56:51,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:56:51,179 INFO L93 Difference]: Finished difference Result 1859 states and 2246 transitions. [2019-10-15 02:56:51,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:56:51,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-10-15 02:56:51,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:56:51,218 INFO L225 Difference]: With dead ends: 1859 [2019-10-15 02:56:51,218 INFO L226 Difference]: Without dead ends: 1152 [2019-10-15 02:56:51,227 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:56:51,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2019-10-15 02:56:51,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1149. [2019-10-15 02:56:51,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1149 states. [2019-10-15 02:56:51,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1359 transitions. [2019-10-15 02:56:51,391 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1359 transitions. Word has length 39 [2019-10-15 02:56:51,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:56:51,392 INFO L462 AbstractCegarLoop]: Abstraction has 1149 states and 1359 transitions. [2019-10-15 02:56:51,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:56:51,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1359 transitions. [2019-10-15 02:56:51,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-15 02:56:51,406 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:56:51,406 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] [2019-10-15 02:56:51,406 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:56:51,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:56:51,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1875444114, now seen corresponding path program 1 times [2019-10-15 02:56:51,407 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:56:51,407 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510771511] [2019-10-15 02:56:51,408 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:51,408 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:51,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:56:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:56:51,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:56:51,607 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510771511] [2019-10-15 02:56:51,608 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:56:51,608 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:56:51,608 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843320972] [2019-10-15 02:56:51,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:56:51,611 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:56:51,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:56:51,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:56:51,611 INFO L87 Difference]: Start difference. First operand 1149 states and 1359 transitions. Second operand 3 states. [2019-10-15 02:56:51,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:56:51,690 INFO L93 Difference]: Finished difference Result 2229 states and 2647 transitions. [2019-10-15 02:56:51,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:56:51,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-10-15 02:56:51,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:56:51,704 INFO L225 Difference]: With dead ends: 2229 [2019-10-15 02:56:51,704 INFO L226 Difference]: Without dead ends: 2213 [2019-10-15 02:56:51,706 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:56:51,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2019-10-15 02:56:51,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2213. [2019-10-15 02:56:51,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2213 states. [2019-10-15 02:56:51,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2627 transitions. [2019-10-15 02:56:51,802 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2627 transitions. Word has length 42 [2019-10-15 02:56:51,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:56:51,802 INFO L462 AbstractCegarLoop]: Abstraction has 2213 states and 2627 transitions. [2019-10-15 02:56:51,802 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:56:51,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2627 transitions. [2019-10-15 02:56:51,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-15 02:56:51,809 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:56:51,810 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 02:56:51,810 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:56:51,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:56:51,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1511942284, now seen corresponding path program 1 times [2019-10-15 02:56:51,811 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:56:51,811 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183045887] [2019-10-15 02:56:51,811 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:51,811 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:51,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:56:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:56:51,937 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 02:56:51,937 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183045887] [2019-10-15 02:56:51,937 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:56:51,938 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:56:51,938 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742134165] [2019-10-15 02:56:51,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:56:51,939 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:56:51,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:56:51,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:56:51,940 INFO L87 Difference]: Start difference. First operand 2213 states and 2627 transitions. Second operand 3 states. [2019-10-15 02:56:52,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:56:52,138 INFO L93 Difference]: Finished difference Result 6262 states and 7421 transitions. [2019-10-15 02:56:52,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:56:52,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2019-10-15 02:56:52,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:56:52,161 INFO L225 Difference]: With dead ends: 6262 [2019-10-15 02:56:52,162 INFO L226 Difference]: Without dead ends: 4064 [2019-10-15 02:56:52,170 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:56:52,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4064 states. [2019-10-15 02:56:52,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4064 to 4049. [2019-10-15 02:56:52,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4049 states. [2019-10-15 02:56:52,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4049 states to 4049 states and 4793 transitions. [2019-10-15 02:56:52,419 INFO L78 Accepts]: Start accepts. Automaton has 4049 states and 4793 transitions. Word has length 114 [2019-10-15 02:56:52,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:56:52,420 INFO L462 AbstractCegarLoop]: Abstraction has 4049 states and 4793 transitions. [2019-10-15 02:56:52,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:56:52,420 INFO L276 IsEmpty]: Start isEmpty. Operand 4049 states and 4793 transitions. [2019-10-15 02:56:52,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-15 02:56:52,428 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:56:52,428 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:56:52,428 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:56:52,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:56:52,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1723547494, now seen corresponding path program 1 times [2019-10-15 02:56:52,429 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:56:52,429 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356249777] [2019-10-15 02:56:52,429 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:52,430 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:52,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:56:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:56:52,601 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-15 02:56:52,601 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356249777] [2019-10-15 02:56:52,601 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:56:52,602 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:56:52,602 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138291207] [2019-10-15 02:56:52,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:56:52,603 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:56:52,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:56:52,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:56:52,603 INFO L87 Difference]: Start difference. First operand 4049 states and 4793 transitions. Second operand 5 states. [2019-10-15 02:56:52,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:56:52,774 INFO L93 Difference]: Finished difference Result 8100 states and 9591 transitions. [2019-10-15 02:56:52,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 02:56:52,775 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2019-10-15 02:56:52,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:56:52,797 INFO L225 Difference]: With dead ends: 8100 [2019-10-15 02:56:52,797 INFO L226 Difference]: Without dead ends: 4064 [2019-10-15 02:56:52,809 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:56:52,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4064 states. [2019-10-15 02:56:52,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4064 to 4056. [2019-10-15 02:56:52,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4056 states. [2019-10-15 02:56:53,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4056 states to 4056 states and 4798 transitions. [2019-10-15 02:56:53,087 INFO L78 Accepts]: Start accepts. Automaton has 4056 states and 4798 transitions. Word has length 149 [2019-10-15 02:56:53,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:56:53,087 INFO L462 AbstractCegarLoop]: Abstraction has 4056 states and 4798 transitions. [2019-10-15 02:56:53,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 02:56:53,088 INFO L276 IsEmpty]: Start isEmpty. Operand 4056 states and 4798 transitions. [2019-10-15 02:56:53,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-15 02:56:53,094 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:56:53,094 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:56:53,095 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:56:53,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:56:53,095 INFO L82 PathProgramCache]: Analyzing trace with hash 912833651, now seen corresponding path program 1 times [2019-10-15 02:56:53,095 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:56:53,096 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563327048] [2019-10-15 02:56:53,096 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:53,096 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:53,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:56:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:56:53,234 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-15 02:56:53,235 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563327048] [2019-10-15 02:56:53,235 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:56:53,235 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 02:56:53,235 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852120292] [2019-10-15 02:56:53,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 02:56:53,236 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:56:53,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 02:56:53,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 02:56:53,237 INFO L87 Difference]: Start difference. First operand 4056 states and 4798 transitions. Second operand 4 states. [2019-10-15 02:56:53,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:56:53,364 INFO L93 Difference]: Finished difference Result 8092 states and 9575 transitions. [2019-10-15 02:56:53,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 02:56:53,365 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153 [2019-10-15 02:56:53,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:56:53,387 INFO L225 Difference]: With dead ends: 8092 [2019-10-15 02:56:53,387 INFO L226 Difference]: Without dead ends: 4057 [2019-10-15 02:56:53,400 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:56:53,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4057 states. [2019-10-15 02:56:53,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4057 to 4057. [2019-10-15 02:56:53,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4057 states. [2019-10-15 02:56:53,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4057 states to 4057 states and 4799 transitions. [2019-10-15 02:56:53,560 INFO L78 Accepts]: Start accepts. Automaton has 4057 states and 4799 transitions. Word has length 153 [2019-10-15 02:56:53,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:56:53,560 INFO L462 AbstractCegarLoop]: Abstraction has 4057 states and 4799 transitions. [2019-10-15 02:56:53,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 02:56:53,561 INFO L276 IsEmpty]: Start isEmpty. Operand 4057 states and 4799 transitions. [2019-10-15 02:56:53,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-15 02:56:53,569 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:56:53,569 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:56:53,569 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:56:53,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:56:53,570 INFO L82 PathProgramCache]: Analyzing trace with hash 710304205, now seen corresponding path program 1 times [2019-10-15 02:56:53,570 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:56:53,570 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922952201] [2019-10-15 02:56:53,570 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:53,571 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:53,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:56:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:56:53,889 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-10-15 02:56:53,917 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-15 02:56:53,917 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922952201] [2019-10-15 02:56:53,918 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107310900] [2019-10-15 02:56:53,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:56:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:56:54,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 02:56:54,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 02:56:54,465 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-15 02:56:54,466 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 02:56:54,740 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-15 02:56:54,741 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1264429122] [2019-10-15 02:56:54,771 INFO L162 IcfgInterpreter]: Started Sifa with 132 locations of interest [2019-10-15 02:56:54,771 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 02:56:54,778 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 02:56:54,786 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 02:56:54,787 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 02:56:55,569 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 470 [2019-10-15 02:56:56,257 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-15 02:56:56,956 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-15 02:56:57,170 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-15 02:56:57,349 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-15 02:56:57,600 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-15 02:56:57,953 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 522 [2019-10-15 02:56:58,099 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-15 02:56:58,237 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-15 02:56:58,352 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-15 02:56:58,468 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-15 02:56:58,615 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-15 02:56:58,645 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 139 for LOIs [2019-10-15 02:56:58,913 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-10-15 02:56:58,914 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 538 for LOIs [2019-10-15 02:56:59,027 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-10-15 02:56:59,296 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-15 02:56:59,764 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-10-15 02:57:01,101 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-10-15 02:57:01,289 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 751 [2019-10-15 02:57:01,679 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 748 [2019-10-15 02:57:01,815 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2019-10-15 02:57:01,919 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2019-10-15 02:57:02,077 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-10-15 02:57:03,006 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-10-15 02:57:03,184 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 781 [2019-10-15 02:57:03,580 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 778 [2019-10-15 02:57:03,811 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 549 [2019-10-15 02:57:04,052 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-10-15 02:57:04,290 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:04,552 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:04,806 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:05,048 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:05,261 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:05,473 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:05,673 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:05,878 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:06,049 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:06,250 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:06,448 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:06,629 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:06,825 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:07,059 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:07,234 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:07,430 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:07,633 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:07,820 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:08,019 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:08,219 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:08,392 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:08,591 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:08,813 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:08,983 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:09,180 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:09,378 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:09,549 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:09,752 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:09,950 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:10,121 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:10,317 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:10,575 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:10,746 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:10,942 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:11,140 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:11,310 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:11,512 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:11,711 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:11,883 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:12,079 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:12,278 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:12,465 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:12,663 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:12,869 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:13,041 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:13,236 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:13,438 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:13,609 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:13,804 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:14,001 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:14,246 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:14,481 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:14,693 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:14,863 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:15,059 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:15,255 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:15,426 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:15,626 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:15,822 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:16,004 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:16,200 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:16,397 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:16,578 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:16,775 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:16,971 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:17,141 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:17,336 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:17,538 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:17,710 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:17,907 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:18,114 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:18,290 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:18,485 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:18,692 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:18,989 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:19,210 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:19,406 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:19,576 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:19,772 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:19,973 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-15 02:57:20,143 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-15 02:57:20,338 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553