/usr/bin/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-fb55353 [2019-11-07 03:51:44,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 03:51:44,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 03:51:44,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 03:51:44,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 03:51:44,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 03:51:44,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 03:51:44,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 03:51:44,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 03:51:44,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 03:51:44,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 03:51:44,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 03:51:44,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 03:51:44,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 03:51:44,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 03:51:44,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 03:51:44,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 03:51:44,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 03:51:44,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 03:51:44,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 03:51:44,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 03:51:44,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 03:51:44,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 03:51:44,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 03:51:44,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 03:51:44,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 03:51:44,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 03:51:44,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 03:51:44,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 03:51:44,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 03:51:44,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 03:51:44,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 03:51:44,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 03:51:44,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 03:51:44,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 03:51:44,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 03:51:44,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 03:51:44,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 03:51:44,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 03:51:44,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 03:51:44,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 03:51:44,311 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 [2019-11-07 03:51:44,326 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 03:51:44,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 03:51:44,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 03:51:44,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 03:51:44,328 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 03:51:44,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 03:51:44,328 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 03:51:44,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 03:51:44,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 03:51:44,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 03:51:44,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 03:51:44,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 03:51:44,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 03:51:44,329 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 03:51:44,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 03:51:44,330 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 03:51:44,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 03:51:44,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 03:51:44,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 03:51:44,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 03:51:44,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 03:51:44,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 03:51:44,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 03:51:44,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 03:51:44,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 03:51:44,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 03:51:44,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 03:51:44,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 03:51:44,332 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 [2019-11-07 03:51:44,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 03:51:44,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 03:51:44,641 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 03:51:44,643 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 03:51:44,643 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 03:51:44,644 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-11-07 03:51:44,723 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15d373eb4/3b21024021164de1b385418f56c0573c/FLAG31e416b92 [2019-11-07 03:51:45,402 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 03:51:45,402 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-11-07 03:51:45,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15d373eb4/3b21024021164de1b385418f56c0573c/FLAG31e416b92 [2019-11-07 03:51:45,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15d373eb4/3b21024021164de1b385418f56c0573c [2019-11-07 03:51:45,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 03:51:45,570 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 03:51:45,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 03:51:45,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 03:51:45,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 03:51:45,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:51:45" (1/1) ... [2019-11-07 03:51:45,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb4545b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:45, skipping insertion in model container [2019-11-07 03:51:45,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:51:45" (1/1) ... [2019-11-07 03:51:45,587 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 03:51:45,702 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 03:51:47,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:51:47,113 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 03:51:47,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:51:47,508 INFO L192 MainTranslator]: Completed translation [2019-11-07 03:51:47,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:47 WrapperNode [2019-11-07 03:51:47,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 03:51:47,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 03:51:47,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 03:51:47,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 03:51:47,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:47" (1/1) ... [2019-11-07 03:51:47,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:47" (1/1) ... [2019-11-07 03:51:47,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:47" (1/1) ... [2019-11-07 03:51:47,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:47" (1/1) ... [2019-11-07 03:51:47,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:47" (1/1) ... [2019-11-07 03:51:47,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:47" (1/1) ... [2019-11-07 03:51:47,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:47" (1/1) ... [2019-11-07 03:51:47,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 03:51:47,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 03:51:47,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 03:51:47,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 03:51:47,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:47" (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 [2019-11-07 03:51:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 03:51:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 03:51:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-11-07 03:51:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-11-07 03:51:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-11-07 03:51:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-07 03:51:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-11-07 03:51:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2019-11-07 03:51:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-07 03:51:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-11-07 03:51:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-11-07 03:51:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-07 03:51:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-07 03:51:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-11-07 03:51:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-11-07 03:51:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2019-11-07 03:51:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2019-11-07 03:51:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-07 03:51:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_kmalloc_pool [2019-11-07 03:51:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2019-11-07 03:51:47,883 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2019-11-07 03:51:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2019-11-07 03:51:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-11-07 03:51:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2019-11-07 03:51:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2019-11-07 03:51:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2019-11-07 03:51:47,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-07 03:51:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2019-11-07 03:51:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 03:51:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 03:51:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 03:51:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 03:51:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 03:51:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 03:51:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 03:51:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 03:51:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 03:51:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-07 03:51:47,886 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2019-11-07 03:51:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2019-11-07 03:51:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2019-11-07 03:51:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf [2019-11-07 03:51:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2019-11-07 03:51:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2019-11-07 03:51:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_find_single_vq [2019-11-07 03:51:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_done [2019-11-07 03:51:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure do_req [2019-11-07 03:51:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure do_virtblk_request [2019-11-07 03:51:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_prepare_flush [2019-11-07 03:51:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_get_id [2019-11-07 03:51:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_ioctl [2019-11-07 03:51:47,888 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_getgeo [2019-11-07 03:51:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2019-11-07 03:51:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_probe [2019-11-07 03:51:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2019-11-07 03:51:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-11-07 03:51:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure fini [2019-11-07 03:51:47,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_virtio_driver_1 [2019-11-07 03:51:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_block_device_operations_2 [2019-11-07 03:51:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 03:51:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-11-07 03:51:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-07 03:51:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-07 03:51:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request_5 [2019-11-07 03:51:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-11-07 03:51:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 03:51:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-07 03:51:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-07 03:51:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-07 03:51:47,891 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR___0 [2019-11-07 03:51:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_get_request [2019-11-07 03:51:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request [2019-11-07 03:51:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_blk_rq [2019-11-07 03:51:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 03:51:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2019-11-07 03:51:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-11-07 03:51:47,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-07 03:51:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-11-07 03:51:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-07 03:51:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-07 03:51:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-11-07 03:51:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-07 03:51:47,893 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2019-11-07 03:51:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2019-11-07 03:51:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_map_kern [2019-11-07 03:51:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2019-11-07 03:51:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2019-11-07 03:51:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq [2019-11-07 03:51:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2019-11-07 03:51:47,894 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_peek_request [2019-11-07 03:51:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_alignment_offset [2019-11-07 03:51:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_bounce_limit [2019-11-07 03:51:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_min [2019-11-07 03:51:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_opt [2019-11-07 03:51:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2019-11-07 03:51:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2019-11-07 03:51:47,895 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2019-11-07 03:51:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segments [2019-11-07 03:51:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2019-11-07 03:51:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_physical_block_size [2019-11-07 03:51:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_sg [2019-11-07 03:51:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2019-11-07 03:51:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_request [2019-11-07 03:51:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2019-11-07 03:51:47,896 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-11-07 03:51:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2019-11-07 03:51:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 03:51:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-11-07 03:51:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2019-11-07 03:51:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2019-11-07 03:51:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2019-11-07 03:51:47,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2019-11-07 03:51:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2019-11-07 03:51:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-11-07 03:51:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2019-11-07 03:51:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2019-11-07 03:51:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure register_virtio_driver [2019-11-07 03:51:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2019-11-07 03:51:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure set_disk_ro [2019-11-07 03:51:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2019-11-07 03:51:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2019-11-07 03:51:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_virtio_driver [2019-11-07 03:51:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_check_driver_offered_feature [2019-11-07 03:51:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf_gfp [2019-11-07 03:51:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_get_buf [2019-11-07 03:51:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_kick [2019-11-07 03:51:47,900 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 03:51:47,900 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 03:51:47,900 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 03:51:47,900 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 03:51:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 03:51:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 03:51:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-11-07 03:51:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-11-07 03:51:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-11-07 03:51:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-11-07 03:51:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2019-11-07 03:51:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 03:51:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-11-07 03:51:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-07 03:51:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-07 03:51:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-07 03:51:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 03:51:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-07 03:51:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-11-07 03:51:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 03:51:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-11-07 03:51:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-11-07 03:51:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2019-11-07 03:51:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-07 03:51:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-11-07 03:51:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-07 03:51:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-07 03:51:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-07 03:51:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-11-07 03:51:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-11-07 03:51:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-11-07 03:51:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-11-07 03:51:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2019-11-07 03:51:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2019-11-07 03:51:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2019-11-07 03:51:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2019-11-07 03:51:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure set_disk_ro [2019-11-07 03:51:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2019-11-07 03:51:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 03:51:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2019-11-07 03:51:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 03:51:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2019-11-07 03:51:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2019-11-07 03:51:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-07 03:51:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-07 03:51:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2019-11-07 03:51:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2019-11-07 03:51:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2019-11-07 03:51:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2019-11-07 03:51:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kmalloc [2019-11-07 03:51:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kfree [2019-11-07 03:51:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_kmalloc_pool [2019-11-07 03:51:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2019-11-07 03:51:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure bio_map_kern [2019-11-07 03:51:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2019-11-07 03:51:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request_5 [2019-11-07 03:51:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2019-11-07 03:51:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2019-11-07 03:51:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2019-11-07 03:51:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq [2019-11-07 03:51:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2019-11-07 03:51:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure blk_peek_request [2019-11-07 03:51:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_request [2019-11-07 03:51:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2019-11-07 03:51:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2019-11-07 03:51:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2019-11-07 03:51:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2019-11-07 03:51:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2019-11-07 03:51:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2019-11-07 03:51:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2019-11-07 03:51:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2019-11-07 03:51:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_physical_block_size [2019-11-07 03:51:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_alignment_offset [2019-11-07 03:51:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_min [2019-11-07 03:51:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_opt [2019-11-07 03:51:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2019-11-07 03:51:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_sg [2019-11-07 03:51:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2019-11-07 03:51:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request [2019-11-07 03:51:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 03:51:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-07 03:51:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-07 03:51:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 03:51:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-11-07 03:51:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 03:51:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-11-07 03:51:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2019-11-07 03:51:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2019-11-07 03:51:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2019-11-07 03:51:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 03:51:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-07 03:51:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-11-07 03:51:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2019-11-07 03:51:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 03:51:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 03:51:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 03:51:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 03:51:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 03:51:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 03:51:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 03:51:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 03:51:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 03:51:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 03:51:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 03:51:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 03:51:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 03:51:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 03:51:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 03:51:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 03:51:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-07 03:51:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_virtio_driver_1 [2019-11-07 03:51:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_block_device_operations_2 [2019-11-07 03:51:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2019-11-07 03:51:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2019-11-07 03:51:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2019-11-07 03:51:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2019-11-07 03:51:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf_gfp [2019-11-07 03:51:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf [2019-11-07 03:51:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_kick [2019-11-07 03:51:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_get_buf [2019-11-07 03:51:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure register_virtio_driver [2019-11-07 03:51:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_virtio_driver [2019-11-07 03:51:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_check_driver_offered_feature [2019-11-07 03:51:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2019-11-07 03:51:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2019-11-07 03:51:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-11-07 03:51:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_find_single_vq [2019-11-07 03:51:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-11-07 03:51:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 03:51:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure blk_done [2019-11-07 03:51:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure do_req [2019-11-07 03:51:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure do_virtblk_request [2019-11-07 03:51:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_prepare_flush [2019-11-07 03:51:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_get_id [2019-11-07 03:51:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_ioctl [2019-11-07 03:51:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_getgeo [2019-11-07 03:51:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2019-11-07 03:51:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_probe [2019-11-07 03:51:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-07 03:51:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2019-11-07 03:51:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-11-07 03:51:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure fini [2019-11-07 03:51:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 03:51:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 03:51:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 03:51:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 03:51:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-11-07 03:51:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-07 03:51:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR___0 [2019-11-07 03:51:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_get_request [2019-11-07 03:51:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_blk_rq [2019-11-07 03:51:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 03:51:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 03:51:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 03:51:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 03:51:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 03:51:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 03:51:49,144 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 03:51:49,444 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-11-07 03:51:52,027 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 03:51:52,027 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 03:51:52,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:51:52 BoogieIcfgContainer [2019-11-07 03:51:52,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 03:51:52,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 03:51:52,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 03:51:52,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 03:51:52,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:51:45" (1/3) ... [2019-11-07 03:51:52,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6701a58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:51:52, skipping insertion in model container [2019-11-07 03:51:52,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:51:47" (2/3) ... [2019-11-07 03:51:52,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6701a58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:51:52, skipping insertion in model container [2019-11-07 03:51:52,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:51:52" (3/3) ... [2019-11-07 03:51:52,038 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-11-07 03:51:52,048 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 03:51:52,057 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 03:51:52,069 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 03:51:52,100 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 03:51:52,100 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 03:51:52,100 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 03:51:52,100 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 03:51:52,100 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 03:51:52,101 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 03:51:52,101 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 03:51:52,101 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 03:51:52,134 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states. [2019-11-07 03:51:52,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-07 03:51:52,144 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:51:52,145 INFO L410 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] [2019-11-07 03:51:52,147 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:51:52,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:51:52,153 INFO L82 PathProgramCache]: Analyzing trace with hash -565860301, now seen corresponding path program 1 times [2019-11-07 03:51:52,161 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:51:52,162 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876308471] [2019-11-07 03:51:52,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:51:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:51:52,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 03:51:52,588 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876308471] [2019-11-07 03:51:52,589 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:51:52,589 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:51:52,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767165308] [2019-11-07 03:51:52,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:51:52,596 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:51:52,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:51:52,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:51:52,614 INFO L87 Difference]: Start difference. First operand 704 states. Second operand 3 states. [2019-11-07 03:51:52,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:51:52,834 INFO L93 Difference]: Finished difference Result 1859 states and 2246 transitions. [2019-11-07 03:51:52,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:51:52,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-11-07 03:51:52,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:51:52,872 INFO L225 Difference]: With dead ends: 1859 [2019-11-07 03:51:52,872 INFO L226 Difference]: Without dead ends: 1152 [2019-11-07 03:51:52,885 INFO L630 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 [2019-11-07 03:51:52,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2019-11-07 03:51:53,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1149. [2019-11-07 03:51:53,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1149 states. [2019-11-07 03:51:53,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1359 transitions. [2019-11-07 03:51:53,113 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1359 transitions. Word has length 39 [2019-11-07 03:51:53,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:51:53,113 INFO L462 AbstractCegarLoop]: Abstraction has 1149 states and 1359 transitions. [2019-11-07 03:51:53,114 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:51:53,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1359 transitions. [2019-11-07 03:51:53,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-07 03:51:53,129 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:51:53,129 INFO L410 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] [2019-11-07 03:51:53,129 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:51:53,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:51:53,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1875444114, now seen corresponding path program 1 times [2019-11-07 03:51:53,130 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:51:53,130 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41690710] [2019-11-07 03:51:53,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:51:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:51:53,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 03:51:53,348 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41690710] [2019-11-07 03:51:53,348 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:51:53,349 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:51:53,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014761479] [2019-11-07 03:51:53,351 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:51:53,352 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:51:53,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:51:53,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:51:53,353 INFO L87 Difference]: Start difference. First operand 1149 states and 1359 transitions. Second operand 3 states. [2019-11-07 03:51:53,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:51:53,458 INFO L93 Difference]: Finished difference Result 2229 states and 2647 transitions. [2019-11-07 03:51:53,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:51:53,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-11-07 03:51:53,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:51:53,473 INFO L225 Difference]: With dead ends: 2229 [2019-11-07 03:51:53,473 INFO L226 Difference]: Without dead ends: 2213 [2019-11-07 03:51:53,476 INFO L630 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 [2019-11-07 03:51:53,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2019-11-07 03:51:53,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2213. [2019-11-07 03:51:53,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2213 states. [2019-11-07 03:51:53,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2627 transitions. [2019-11-07 03:51:53,696 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2627 transitions. Word has length 42 [2019-11-07 03:51:53,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:51:53,696 INFO L462 AbstractCegarLoop]: Abstraction has 2213 states and 2627 transitions. [2019-11-07 03:51:53,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:51:53,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2627 transitions. [2019-11-07 03:51:53,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-11-07 03:51:53,705 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:51:53,706 INFO L410 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] [2019-11-07 03:51:53,706 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:51:53,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:51:53,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1511942284, now seen corresponding path program 1 times [2019-11-07 03:51:53,707 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:51:53,707 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777479606] [2019-11-07 03:51:53,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:51:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:51:53,839 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 03:51:53,841 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777479606] [2019-11-07 03:51:53,842 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:51:53,842 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:51:53,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534022591] [2019-11-07 03:51:53,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:51:53,848 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:51:53,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:51:53,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:51:53,850 INFO L87 Difference]: Start difference. First operand 2213 states and 2627 transitions. Second operand 3 states. [2019-11-07 03:51:54,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:51:54,034 INFO L93 Difference]: Finished difference Result 6262 states and 7421 transitions. [2019-11-07 03:51:54,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:51:54,034 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2019-11-07 03:51:54,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:51:54,056 INFO L225 Difference]: With dead ends: 6262 [2019-11-07 03:51:54,056 INFO L226 Difference]: Without dead ends: 4064 [2019-11-07 03:51:54,064 INFO L630 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 [2019-11-07 03:51:54,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4064 states. [2019-11-07 03:51:54,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4064 to 4049. [2019-11-07 03:51:54,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4049 states. [2019-11-07 03:51:54,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4049 states to 4049 states and 4793 transitions. [2019-11-07 03:51:54,277 INFO L78 Accepts]: Start accepts. Automaton has 4049 states and 4793 transitions. Word has length 114 [2019-11-07 03:51:54,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:51:54,278 INFO L462 AbstractCegarLoop]: Abstraction has 4049 states and 4793 transitions. [2019-11-07 03:51:54,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:51:54,278 INFO L276 IsEmpty]: Start isEmpty. Operand 4049 states and 4793 transitions. [2019-11-07 03:51:54,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-07 03:51:54,286 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:51:54,286 INFO L410 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] [2019-11-07 03:51:54,286 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:51:54,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:51:54,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1723547494, now seen corresponding path program 1 times [2019-11-07 03:51:54,287 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:51:54,287 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247459735] [2019-11-07 03:51:54,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:51:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:51:54,608 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-07 03:51:54,609 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247459735] [2019-11-07 03:51:54,609 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:51:54,609 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 03:51:54,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119865426] [2019-11-07 03:51:54,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 03:51:54,610 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:51:54,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 03:51:54,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 03:51:54,611 INFO L87 Difference]: Start difference. First operand 4049 states and 4793 transitions. Second operand 5 states. [2019-11-07 03:51:54,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:51:54,792 INFO L93 Difference]: Finished difference Result 8100 states and 9591 transitions. [2019-11-07 03:51:54,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 03:51:54,792 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2019-11-07 03:51:54,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:51:54,816 INFO L225 Difference]: With dead ends: 8100 [2019-11-07 03:51:54,816 INFO L226 Difference]: Without dead ends: 4064 [2019-11-07 03:51:54,827 INFO L630 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 [2019-11-07 03:51:54,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4064 states. [2019-11-07 03:51:54,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4064 to 4056. [2019-11-07 03:51:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4056 states. [2019-11-07 03:51:55,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4056 states to 4056 states and 4798 transitions. [2019-11-07 03:51:55,005 INFO L78 Accepts]: Start accepts. Automaton has 4056 states and 4798 transitions. Word has length 149 [2019-11-07 03:51:55,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:51:55,006 INFO L462 AbstractCegarLoop]: Abstraction has 4056 states and 4798 transitions. [2019-11-07 03:51:55,006 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 03:51:55,006 INFO L276 IsEmpty]: Start isEmpty. Operand 4056 states and 4798 transitions. [2019-11-07 03:51:55,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-07 03:51:55,013 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:51:55,014 INFO L410 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] [2019-11-07 03:51:55,014 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:51:55,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:51:55,015 INFO L82 PathProgramCache]: Analyzing trace with hash 912833651, now seen corresponding path program 1 times [2019-11-07 03:51:55,015 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:51:55,015 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11847785] [2019-11-07 03:51:55,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:51:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:51:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-07 03:51:55,179 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11847785] [2019-11-07 03:51:55,179 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:51:55,179 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 03:51:55,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568669606] [2019-11-07 03:51:55,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 03:51:55,183 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:51:55,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 03:51:55,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 03:51:55,184 INFO L87 Difference]: Start difference. First operand 4056 states and 4798 transitions. Second operand 4 states. [2019-11-07 03:51:55,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:51:55,373 INFO L93 Difference]: Finished difference Result 8092 states and 9575 transitions. [2019-11-07 03:51:55,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 03:51:55,374 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153 [2019-11-07 03:51:55,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:51:55,403 INFO L225 Difference]: With dead ends: 8092 [2019-11-07 03:51:55,403 INFO L226 Difference]: Without dead ends: 4057 [2019-11-07 03:51:55,418 INFO L630 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 [2019-11-07 03:51:55,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4057 states. [2019-11-07 03:51:55,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4057 to 4057. [2019-11-07 03:51:55,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4057 states. [2019-11-07 03:51:55,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4057 states to 4057 states and 4799 transitions. [2019-11-07 03:51:55,731 INFO L78 Accepts]: Start accepts. Automaton has 4057 states and 4799 transitions. Word has length 153 [2019-11-07 03:51:55,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:51:55,731 INFO L462 AbstractCegarLoop]: Abstraction has 4057 states and 4799 transitions. [2019-11-07 03:51:55,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 03:51:55,731 INFO L276 IsEmpty]: Start isEmpty. Operand 4057 states and 4799 transitions. [2019-11-07 03:51:55,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-07 03:51:55,741 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:51:55,741 INFO L410 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] [2019-11-07 03:51:55,742 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:51:55,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:51:55,742 INFO L82 PathProgramCache]: Analyzing trace with hash 710304205, now seen corresponding path program 1 times [2019-11-07 03:51:55,743 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:51:55,743 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744496426] [2019-11-07 03:51:55,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:51:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:51:55,931 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-07 03:51:55,935 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744496426] [2019-11-07 03:51:55,936 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613434571] [2019-11-07 03:51:55,936 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 [2019-11-07 03:51:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:51:56,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-07 03:51:56,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 03:51:56,598 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-07 03:51:56,599 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 03:51:56,867 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-07 03:51:56,868 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1775121825] [2019-11-07 03:51:56,907 INFO L159 IcfgInterpreter]: Started Sifa with 132 locations of interest [2019-11-07 03:51:56,907 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 03:51:56,914 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 03:51:56,922 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 03:51:56,923 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 03:51:57,753 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 470 [2019-11-07 03:51:58,307 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-11-07 03:51:58,462 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-11-07 03:51:59,110 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-11-07 03:51:59,368 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-11-07 03:51:59,473 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-11-07 03:51:59,576 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-11-07 03:51:59,763 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-11-07 03:51:59,792 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 139 for LOIs [2019-11-07 03:51:59,802 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 538 for LOIs [2019-11-07 03:52:01,256 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-11-07 03:52:01,538 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 751 [2019-11-07 03:52:01,996 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 748 [2019-11-07 03:52:02,991 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-11-07 03:52:03,207 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 781 [2019-11-07 03:52:03,670 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 778 [2019-11-07 03:52:03,799 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2019-11-07 03:52:04,054 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-11-07 03:52:04,281 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2019-11-07 03:52:04,483 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-11-07 03:52:05,439 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-11-07 03:52:05,588 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-11-07 03:52:05,908 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 628 [2019-11-07 03:52:06,348 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-07 03:52:06,488 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2019-11-07 03:52:07,437 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-11-07 03:52:07,592 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-11-07 03:52:07,888 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 628 [2019-11-07 03:52:08,457 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-07 03:52:08,571 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2019-11-07 03:52:08,724 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-11-07 03:52:08,861 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-11-07 03:52:09,013 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2019-11-07 03:52:09,128 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-11-07 03:52:09,302 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-11-07 03:52:09,459 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2019-11-07 03:52:09,675 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-11-07 03:52:09,795 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-11-07 03:52:09,932 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2019-11-07 03:52:10,048 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-11-07 03:52:10,172 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-11-07 03:52:10,304 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2019-11-07 03:52:11,168 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-11-07 03:52:11,316 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-11-07 03:52:11,637 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 643 [2019-11-07 03:52:12,075 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-07 03:52:12,195 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-11-07 03:52:13,210 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-11-07 03:52:13,418 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-11-07 03:52:13,725 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 643 [2019-11-07 03:52:14,265 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-07 03:52:14,421 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-11-07 03:52:14,694 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 610 [2019-11-07 03:52:14,840 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2019-11-07 03:52:15,033 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2019-11-07 03:52:15,324 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 610 [2019-11-07 03:52:15,463 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2019-11-07 03:52:15,621 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2019-11-07 03:52:16,676 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-11-07 03:52:16,819 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 627 [2019-11-07 03:52:17,137 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 622 [2019-11-07 03:52:18,012 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2019-11-07 03:52:18,632 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 477 [2019-11-07 03:52:20,038 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 299