/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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 03:35:39,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 03:35:39,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 03:35:39,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 03:35:39,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 03:35:39,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 03:35:39,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 03:35:39,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 03:35:39,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 03:35:39,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 03:35:39,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 03:35:39,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 03:35:39,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 03:35:39,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 03:35:39,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 03:35:39,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 03:35:39,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 03:35:39,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 03:35:39,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 03:35:39,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 03:35:39,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 03:35:39,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 03:35:39,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 03:35:39,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 03:35:39,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 03:35:39,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 03:35:39,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 03:35:39,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 03:35:39,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 03:35:39,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 03:35:39,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 03:35:39,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 03:35:39,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 03:35:39,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 03:35:39,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 03:35:39,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 03:35:39,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 03:35:39,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 03:35:39,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 03:35:39,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 03:35:39,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 03:35:39,632 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 03:35:39,650 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 03:35:39,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 03:35:39,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 03:35:39,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 03:35:39,652 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 03:35:39,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 03:35:39,652 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 03:35:39,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 03:35:39,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 03:35:39,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 03:35:39,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 03:35:39,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 03:35:39,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 03:35:39,653 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 03:35:39,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 03:35:39,654 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 03:35:39,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 03:35:39,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 03:35:39,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 03:35:39,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 03:35:39,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 03:35:39,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 03:35:39,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 03:35:39,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 03:35:39,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 03:35:39,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 03:35:39,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 03:35:39,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 03:35:39,656 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 03:35:39,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 03:35:39,930 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 03:35:39,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 03:35:39,935 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 03:35:39,935 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 03:35:39,936 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i [2019-11-07 03:35:39,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3687271e6/4fac23d03663433197c5eaaece834eac/FLAG75473d657 [2019-11-07 03:35:40,799 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 03:35:40,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i [2019-11-07 03:35:40,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3687271e6/4fac23d03663433197c5eaaece834eac/FLAG75473d657 [2019-11-07 03:35:41,317 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3687271e6/4fac23d03663433197c5eaaece834eac [2019-11-07 03:35:41,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 03:35:41,327 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 03:35:41,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 03:35:41,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 03:35:41,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 03:35:41,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:35:41" (1/1) ... [2019-11-07 03:35:41,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@273edcef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:41, skipping insertion in model container [2019-11-07 03:35:41,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:35:41" (1/1) ... [2019-11-07 03:35:41,343 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 03:35:41,505 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 03:35:43,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:35:43,677 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 03:35:44,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:35:44,578 INFO L192 MainTranslator]: Completed translation [2019-11-07 03:35:44,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:44 WrapperNode [2019-11-07 03:35:44,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 03:35:44,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 03:35:44,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 03:35:44,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 03:35:44,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:44" (1/1) ... [2019-11-07 03:35:44,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:44" (1/1) ... [2019-11-07 03:35:44,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:44" (1/1) ... [2019-11-07 03:35:44,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:44" (1/1) ... [2019-11-07 03:35:44,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:44" (1/1) ... [2019-11-07 03:35:44,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:44" (1/1) ... [2019-11-07 03:35:44,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:44" (1/1) ... [2019-11-07 03:35:45,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 03:35:45,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 03:35:45,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 03:35:45,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 03:35:45,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:44" (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 03:35:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 03:35:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 03:35:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-07 03:35:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~$Pointer$ [2019-11-07 03:35:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-11-07 03:35:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-11-07 03:35:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2019-11-07 03:35:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-11-07 03:35:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-07 03:35:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-11-07 03:35:45,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~status_type_t~0~X~$Pointer$~X~int~TO~int [2019-11-07 03:35:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2019-11-07 03:35:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-11-07 03:35:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-07 03:35:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 03:35:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-07 03:35:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 03:35:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 03:35:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-07 03:35:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-07 03:35:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 03:35:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 03:35:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 03:35:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_path_selector_type [2019-11-07 03:35:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure get_path_selector [2019-11-07 03:35:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_path_selector [2019-11-07 03:35:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_path_selector [2019-11-07 03:35:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure _alloc_path_selector [2019-11-07 03:35:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_path_selector [2019-11-07 03:35:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_path_selector [2019-11-07 03:35:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-11-07 03:35:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-11-07 03:35:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-11-07 03:35:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-11-07 03:35:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-11-07 03:35:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_10 [2019-11-07 03:35:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_11 [2019-11-07 03:35:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-11-07 03:35:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-07 03:35:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-11-07 03:35:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-11-07 03:35:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-11-07 03:35:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-07 03:35:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-11-07 03:35:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-11-07 03:35:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-07 03:35:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-11-07 03:35:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-11-07 03:35:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2019-11-07 03:35:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-11-07 03:35:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure sigismember [2019-11-07 03:35:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure io_schedule [2019-11-07 03:35:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-11-07 03:35:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-11-07 03:35:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __fatal_signal_pending [2019-11-07 03:35:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure fatal_signal_pending [2019-11-07 03:35:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 03:35:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-07 03:35:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2019-11-07 03:35:45,142 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_slab_pool [2019-11-07 03:35:45,142 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2019-11-07 03:35:45,142 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2019-11-07 03:35:45,143 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pgpath [2019-11-07 03:35:45,143 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pgpath [2019-11-07 03:35:45,143 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_priority_group [2019-11-07 03:35:45,143 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pgpaths [2019-11-07 03:35:45,143 INFO L138 BoogieDeclarations]: Found implementation of procedure free_priority_group [2019-11-07 03:35:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_multipath [2019-11-07 03:35:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure free_multipath [2019-11-07 03:35:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mapinfo [2019-11-07 03:35:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_mapinfo [2019-11-07 03:35:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __pg_init_all_paths [2019-11-07 03:35:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __switch_pg [2019-11-07 03:35:45,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __choose_path_in_pg [2019-11-07 03:35:45,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __choose_pgpath [2019-11-07 03:35:45,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __must_push_back [2019-11-07 03:35:45,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __multipath_map [2019-11-07 03:35:45,148 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_map [2019-11-07 03:35:45,148 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_clone_and_map [2019-11-07 03:35:45,148 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_release_clone [2019-11-07 03:35:45,148 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_if_no_path [2019-11-07 03:35:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_event [2019-11-07 03:35:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_path_selector [2019-11-07 03:35:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_path [2019-11-07 03:35:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_priority_group [2019-11-07 03:35:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_hw_handler [2019-11-07 03:35:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_features [2019-11-07 03:35:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_ctr [2019-11-07 03:35:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_wait_for_pg_init_completion [2019-11-07 03:35:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_multipath_work [2019-11-07 03:35:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_dtr [2019-11-07 03:35:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure fail_path [2019-11-07 03:35:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure reinstate_path [2019-11-07 03:35:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure action_dev [2019-11-07 03:35:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure bypass_pg [2019-11-07 03:35:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_pg_num [2019-11-07 03:35:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure bypass_pg_num [2019-11-07 03:35:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_init_limit_reached [2019-11-07 03:35:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_init_done [2019-11-07 03:35:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_path [2019-11-07 03:35:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure noretry_error [2019-11-07 03:35:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure do_end_io [2019-11-07 03:35:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_end_io [2019-11-07 03:35:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_presuspend [2019-11-07 03:35:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_postsuspend [2019-11-07 03:35:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_resume [2019-11-07 03:35:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_status [2019-11-07 03:35:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_message [2019-11-07 03:35:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_ioctl [2019-11-07 03:35:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_iterate_devices [2019-11-07 03:35:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __pgpath_busy [2019-11-07 03:35:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_busy [2019-11-07 03:35:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_multipath_init [2019-11-07 03:35:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_multipath_exit [2019-11-07 03:35:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-11-07 03:35:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2019-11-07 03:35:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-11-07 03:35:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2019-11-07 03:35:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-11-07 03:35:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2019-11-07 03:35:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-11-07 03:35:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-11-07 03:35:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2019-11-07 03:35:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_3 [2019-11-07 03:35:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-11-07 03:35:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2019-11-07 03:35:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2019-11-07 03:35:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 03:35:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-11-07 03:35:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-07 03:35:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-07 03:35:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_21 [2019-11-07 03:35:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_22 [2019-11-07 03:35:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_23 [2019-11-07 03:35:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_24 [2019-11-07 03:35:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_25 [2019-11-07 03:35:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_26 [2019-11-07 03:35:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_27 [2019-11-07 03:35:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_28 [2019-11-07 03:35:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_29 [2019-11-07 03:35:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_30 [2019-11-07 03:35:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_31 [2019-11-07 03:35:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 03:35:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 03:35:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-07 03:35:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-07 03:35:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-07 03:35:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-11-07 03:35:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-11-07 03:35:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-11-07 03:35:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-11-07 03:35:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-11-07 03:35:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 03:35:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2019-11-07 03:35:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __blkdev_driver_ioctl [2019-11-07 03:35:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-11-07 03:35:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-11-07 03:35:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-07 03:35:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-11-07 03:35:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-07 03:35:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-07 03:35:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-11-07 03:35:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-11-07 03:35:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-11-07 03:35:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-11-07 03:35:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-11-07 03:35:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-07 03:35:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-11-07 03:35:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_get_request [2019-11-07 03:35:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_lld_busy [2019-11-07 03:35:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_put_request [2019-11-07 03:35:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2019-11-07 03:35:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consume_args [2019-11-07 03:35:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2019-11-07 03:35:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_reserved_rq_based_ios [2019-11-07 03:35:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_noflush_suspending [2019-11-07 03:35:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_path_uevent [2019-11-07 03:35:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2019-11-07 03:35:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg [2019-11-07 03:35:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2019-11-07 03:35:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2019-11-07 03:35:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2019-11-07 03:35:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_suspended [2019-11-07 03:35:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2019-11-07 03:35:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2019-11-07 03:35:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_run_md_queue_async [2019-11-07 03:35:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2019-11-07 03:35:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2019-11-07 03:35:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2019-11-07 03:35:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2019-11-07 03:35:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-11-07 03:35:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-11-07 03:35:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure io_schedule_timeout [2019-11-07 03:35:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2019-11-07 03:35:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2019-11-07 03:35:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2019-11-07 03:35:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 03:35:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_preresume_3 [2019-11-07 03:35:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-11-07 03:35:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-11-07 03:35:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2019-11-07 03:35:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2019-11-07 03:35:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2019-11-07 03:35:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2019-11-07 03:35:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-07 03:35:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-07 03:35:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-07 03:35:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-11-07 03:35:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-11-07 03:35:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2019-11-07 03:35:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2019-11-07 03:35:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_activate [2019-11-07 03:35:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_attach [2019-11-07 03:35:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_attached_handler_name [2019-11-07 03:35:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_detach [2019-11-07 03:35:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_handler_exist [2019-11-07 03:35:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_set_params [2019-11-07 03:35:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_verify_blk_ioctl [2019-11-07 03:35:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2019-11-07 03:35:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2019-11-07 03:35:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2019-11-07 03:35:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2019-11-07 03:35:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 03:35:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 03:35:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 03:35:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 03:35:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 03:35:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-07 03:35:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-11-07 03:35:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 03:35:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-11-07 03:35:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 03:35:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-11-07 03:35:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2019-11-07 03:35:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2019-11-07 03:35:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2019-11-07 03:35:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2019-11-07 03:35:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-11-07 03:35:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-11-07 03:35:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-11-07 03:35:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-11-07 03:35:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-11-07 03:35:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-11-07 03:35:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-11-07 03:35:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-11-07 03:35:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-11-07 03:35:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_10 [2019-11-07 03:35:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_11 [2019-11-07 03:35:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-11-07 03:35:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-11-07 03:35:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 03:35:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 03:35:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-07 03:35:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 03:35:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-07 03:35:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 03:35:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 03:35:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 03:35:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 03:35:45,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 03:35:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 03:35:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 03:35:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 03:35:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 03:35:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-07 03:35:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-07 03:35:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 03:35:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 03:35:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 03:35:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 03:35:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-11-07 03:35:45,199 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-11-07 03:35:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_path_selector [2019-11-07 03:35:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_path_selector [2019-11-07 03:35:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_path_selector [2019-11-07 03:35:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_path_selector [2019-11-07 03:35:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 03:35:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure __find_path_selector_type [2019-11-07 03:35:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure get_path_selector [2019-11-07 03:35:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure _alloc_path_selector [2019-11-07 03:35:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 03:35:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 03:35:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 03:35:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-07 03:35:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-11-07 03:35:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-07 03:35:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-11-07 03:35:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2019-11-07 03:35:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-11-07 03:35:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 03:35:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-07 03:35:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-07 03:35:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-07 03:35:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-11-07 03:35:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-11-07 03:35:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-11-07 03:35:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-11-07 03:35:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2019-11-07 03:35:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2019-11-07 03:35:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-11-07 03:35:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-07 03:35:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-07 03:35:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-11-07 03:35:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-11-07 03:35:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-11-07 03:35:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-07 03:35:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-11-07 03:35:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-11-07 03:35:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-11-07 03:35:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-07 03:35:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-07 03:35:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-11-07 03:35:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-11-07 03:35:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-07 03:35:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2019-11-07 03:35:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-11-07 03:35:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-11-07 03:35:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2019-11-07 03:35:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-11-07 03:35:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-07 03:35:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-07 03:35:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-07 03:35:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-11-07 03:35:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-11-07 03:35:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-11-07 03:35:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-11-07 03:35:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-11-07 03:35:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2019-11-07 03:35:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2019-11-07 03:35:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_29 [2019-11-07 03:35:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_30 [2019-11-07 03:35:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_31 [2019-11-07 03:35:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_21 [2019-11-07 03:35:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_23 [2019-11-07 03:35:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_22 [2019-11-07 03:35:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_25 [2019-11-07 03:35:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_24 [2019-11-07 03:35:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_26 [2019-11-07 03:35:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_27 [2019-11-07 03:35:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2019-11-07 03:35:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_28 [2019-11-07 03:35:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-11-07 03:35:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2019-11-07 03:35:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-11-07 03:35:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure sigismember [2019-11-07 03:35:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure io_schedule_timeout [2019-11-07 03:35:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure io_schedule [2019-11-07 03:35:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-11-07 03:35:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-11-07 03:35:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure __fatal_signal_pending [2019-11-07 03:35:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure fatal_signal_pending [2019-11-07 03:35:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2019-11-07 03:35:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2019-11-07 03:35:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 03:35:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-11-07 03:35:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2019-11-07 03:35:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-11-07 03:35:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2019-11-07 03:35:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-11-07 03:35:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2019-11-07 03:35:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-11-07 03:35:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2019-11-07 03:35:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_3 [2019-11-07 03:35:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2019-11-07 03:35:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2019-11-07 03:35:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2019-11-07 03:35:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2019-11-07 03:35:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2019-11-07 03:35:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2019-11-07 03:35:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2019-11-07 03:35:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc_slab [2019-11-07 03:35:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2019-11-07 03:35:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_slab_pool [2019-11-07 03:35:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_request [2019-11-07 03:35:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure blk_get_request [2019-11-07 03:35:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure blk_lld_busy [2019-11-07 03:35:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_verify_blk_ioctl [2019-11-07 03:35:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2019-11-07 03:35:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2019-11-07 03:35:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure __blkdev_driver_ioctl [2019-11-07 03:35:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2019-11-07 03:35:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2019-11-07 03:35:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2019-11-07 03:35:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2019-11-07 03:35:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg [2019-11-07 03:35:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2019-11-07 03:35:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2019-11-07 03:35:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consume_args [2019-11-07 03:35:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure dm_suspended [2019-11-07 03:35:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure dm_noflush_suspending [2019-11-07 03:35:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2019-11-07 03:35:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2019-11-07 03:35:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_run_md_queue_async [2019-11-07 03:35:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_reserved_rq_based_ios [2019-11-07 03:35:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure dm_path_uevent [2019-11-07 03:35:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_activate [2019-11-07 03:35:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_handler_exist [2019-11-07 03:35:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_attach [2019-11-07 03:35:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_detach [2019-11-07 03:35:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_attached_handler_name [2019-11-07 03:35:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_set_params [2019-11-07 03:35:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_event [2019-11-07 03:35:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure activate_path [2019-11-07 03:35:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure __pgpath_busy [2019-11-07 03:35:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pgpath [2019-11-07 03:35:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 03:35:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure free_pgpath [2019-11-07 03:35:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_priority_group [2019-11-07 03:35:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure free_pgpaths [2019-11-07 03:35:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure free_priority_group [2019-11-07 03:35:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-07 03:35:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_multipath [2019-11-07 03:35:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure free_multipath [2019-11-07 03:35:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure set_mapinfo [2019-11-07 03:35:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure clear_mapinfo [2019-11-07 03:35:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure __pg_init_all_paths [2019-11-07 03:35:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure __switch_pg [2019-11-07 03:35:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure __choose_path_in_pg [2019-11-07 03:35:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~$Pointer$ [2019-11-07 03:35:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure __choose_pgpath [2019-11-07 03:35:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure __must_push_back [2019-11-07 03:35:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure __multipath_map [2019-11-07 03:35:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-11-07 03:35:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_map [2019-11-07 03:35:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_clone_and_map [2019-11-07 03:35:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_release_clone [2019-11-07 03:35:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure queue_if_no_path [2019-11-07 03:35:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure parse_path_selector [2019-11-07 03:35:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-11-07 03:35:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure parse_path [2019-11-07 03:35:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2019-11-07 03:35:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure parse_priority_group [2019-11-07 03:35:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure parse_hw_handler [2019-11-07 03:35:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure parse_features [2019-11-07 03:35:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_ctr [2019-11-07 03:35:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_wait_for_pg_init_completion [2019-11-07 03:35:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure flush_multipath_work [2019-11-07 03:35:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_dtr [2019-11-07 03:35:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure fail_path [2019-11-07 03:35:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-11-07 03:35:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure reinstate_path [2019-11-07 03:35:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-07 03:35:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure action_dev [2019-11-07 03:35:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-11-07 03:35:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure bypass_pg [2019-11-07 03:35:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure switch_pg_num [2019-11-07 03:35:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure bypass_pg_num [2019-11-07 03:35:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure pg_init_limit_reached [2019-11-07 03:35:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure pg_init_done [2019-11-07 03:35:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure noretry_error [2019-11-07 03:35:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure do_end_io [2019-11-07 03:35:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_end_io [2019-11-07 03:35:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_presuspend [2019-11-07 03:35:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_postsuspend [2019-11-07 03:35:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_resume [2019-11-07 03:35:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_status [2019-11-07 03:35:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~status_type_t~0~X~$Pointer$~X~int~TO~int [2019-11-07 03:35:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_message [2019-11-07 03:35:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_ioctl [2019-11-07 03:35:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_iterate_devices [2019-11-07 03:35:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2019-11-07 03:35:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_busy [2019-11-07 03:35:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure dm_multipath_init [2019-11-07 03:35:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure dm_multipath_exit [2019-11-07 03:35:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 03:35:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 03:35:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_preresume_3 [2019-11-07 03:35:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 03:35:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 03:35:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-07 03:35:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-11-07 03:35:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-11-07 03:35:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-11-07 03:35:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 03:35:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 03:35:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 03:35:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-07 03:35:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 03:35:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 03:35:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 03:35:45,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 03:35:45,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 03:35:46,818 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 03:35:54,698 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-11-07 03:36:05,200 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 03:36:05,200 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 03:36:05,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:36:05 BoogieIcfgContainer [2019-11-07 03:36:05,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 03:36:05,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 03:36:05,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 03:36:05,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 03:36:05,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:35:41" (1/3) ... [2019-11-07 03:36:05,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da6cdc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:36:05, skipping insertion in model container [2019-11-07 03:36:05,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:44" (2/3) ... [2019-11-07 03:36:05,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da6cdc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:36:05, skipping insertion in model container [2019-11-07 03:36:05,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:36:05" (3/3) ... [2019-11-07 03:36:05,212 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i [2019-11-07 03:36:05,222 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 03:36:05,233 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 03:36:05,245 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 03:36:05,279 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 03:36:05,279 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 03:36:05,280 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 03:36:05,280 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 03:36:05,280 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 03:36:05,280 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 03:36:05,280 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 03:36:05,280 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 03:36:05,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states. [2019-11-07 03:36:05,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-11-07 03:36:05,365 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:36:05,367 INFO L410 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:36:05,369 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:36:05,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:36:05,373 INFO L82 PathProgramCache]: Analyzing trace with hash -903480340, now seen corresponding path program 1 times [2019-11-07 03:36:05,382 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:36:05,382 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174839068] [2019-11-07 03:36:05,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:36:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:36:06,598 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2019-11-07 03:36:06,599 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174839068] [2019-11-07 03:36:06,600 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:36:06,600 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:36:06,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341893717] [2019-11-07 03:36:06,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:36:06,606 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:36:06,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:36:06,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:36:06,623 INFO L87 Difference]: Start difference. First operand 1761 states. Second operand 3 states. [2019-11-07 03:36:06,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:36:06,961 INFO L93 Difference]: Finished difference Result 4963 states and 6764 transitions. [2019-11-07 03:36:06,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:36:06,963 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2019-11-07 03:36:06,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:36:07,005 INFO L225 Difference]: With dead ends: 4963 [2019-11-07 03:36:07,005 INFO L226 Difference]: Without dead ends: 3286 [2019-11-07 03:36:07,020 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 03:36:07,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3286 states. [2019-11-07 03:36:07,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3286 to 3279. [2019-11-07 03:36:07,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3279 states. [2019-11-07 03:36:07,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 3279 states and 4436 transitions. [2019-11-07 03:36:07,338 INFO L78 Accepts]: Start accepts. Automaton has 3279 states and 4436 transitions. Word has length 220 [2019-11-07 03:36:07,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:36:07,345 INFO L462 AbstractCegarLoop]: Abstraction has 3279 states and 4436 transitions. [2019-11-07 03:36:07,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:36:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 4436 transitions. [2019-11-07 03:36:07,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-11-07 03:36:07,366 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:36:07,367 INFO L410 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:36:07,367 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:36:07,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:36:07,368 INFO L82 PathProgramCache]: Analyzing trace with hash 932183022, now seen corresponding path program 1 times [2019-11-07 03:36:07,368 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:36:07,368 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218851094] [2019-11-07 03:36:07,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:36:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:36:08,750 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2019-11-07 03:36:08,751 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218851094] [2019-11-07 03:36:08,751 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:36:08,751 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:36:08,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623657365] [2019-11-07 03:36:08,755 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:36:08,755 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:36:08,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:36:08,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:36:08,756 INFO L87 Difference]: Start difference. First operand 3279 states and 4436 transitions. Second operand 3 states. [2019-11-07 03:36:09,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:36:09,424 INFO L93 Difference]: Finished difference Result 7080 states and 9545 transitions. [2019-11-07 03:36:09,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:36:09,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2019-11-07 03:36:09,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:36:09,453 INFO L225 Difference]: With dead ends: 7080 [2019-11-07 03:36:09,454 INFO L226 Difference]: Without dead ends: 3863 [2019-11-07 03:36:09,470 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 03:36:09,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3863 states. [2019-11-07 03:36:09,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3863 to 3857. [2019-11-07 03:36:09,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3857 states. [2019-11-07 03:36:09,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3857 states to 3857 states and 5185 transitions. [2019-11-07 03:36:09,642 INFO L78 Accepts]: Start accepts. Automaton has 3857 states and 5185 transitions. Word has length 305 [2019-11-07 03:36:09,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:36:09,643 INFO L462 AbstractCegarLoop]: Abstraction has 3857 states and 5185 transitions. [2019-11-07 03:36:09,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:36:09,644 INFO L276 IsEmpty]: Start isEmpty. Operand 3857 states and 5185 transitions. [2019-11-07 03:36:09,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2019-11-07 03:36:09,659 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:36:09,660 INFO L410 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:36:09,660 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:36:09,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:36:09,661 INFO L82 PathProgramCache]: Analyzing trace with hash 80888008, now seen corresponding path program 1 times [2019-11-07 03:36:09,661 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:36:09,661 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382921280] [2019-11-07 03:36:09,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:36:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:36:10,340 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2019-11-07 03:36:10,340 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382921280] [2019-11-07 03:36:10,341 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:36:10,341 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 03:36:10,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034973611] [2019-11-07 03:36:10,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 03:36:10,342 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:36:10,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 03:36:10,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 03:36:10,343 INFO L87 Difference]: Start difference. First operand 3857 states and 5185 transitions. Second operand 5 states. [2019-11-07 03:36:12,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:36:12,889 INFO L93 Difference]: Finished difference Result 7668 states and 10309 transitions. [2019-11-07 03:36:12,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 03:36:12,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 339 [2019-11-07 03:36:12,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:36:12,928 INFO L225 Difference]: With dead ends: 7668 [2019-11-07 03:36:12,929 INFO L226 Difference]: Without dead ends: 3872 [2019-11-07 03:36:13,024 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 03:36:13,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3872 states. [2019-11-07 03:36:13,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3872 to 3864. [2019-11-07 03:36:13,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3864 states. [2019-11-07 03:36:13,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 5190 transitions. [2019-11-07 03:36:13,211 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 5190 transitions. Word has length 339 [2019-11-07 03:36:13,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:36:13,212 INFO L462 AbstractCegarLoop]: Abstraction has 3864 states and 5190 transitions. [2019-11-07 03:36:13,212 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 03:36:13,212 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 5190 transitions. [2019-11-07 03:36:13,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2019-11-07 03:36:13,226 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:36:13,227 INFO L410 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:36:13,227 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:36:13,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:36:13,227 INFO L82 PathProgramCache]: Analyzing trace with hash -2026972563, now seen corresponding path program 1 times [2019-11-07 03:36:13,227 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:36:13,228 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904896803] [2019-11-07 03:36:13,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:36:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:36:13,870 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2019-11-07 03:36:13,870 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904896803] [2019-11-07 03:36:13,871 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:36:13,871 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 03:36:13,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054761071] [2019-11-07 03:36:13,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 03:36:13,872 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:36:13,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 03:36:13,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 03:36:13,873 INFO L87 Difference]: Start difference. First operand 3864 states and 5190 transitions. Second operand 4 states. [2019-11-07 03:36:14,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:36:14,104 INFO L93 Difference]: Finished difference Result 7679 states and 10374 transitions. [2019-11-07 03:36:14,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 03:36:14,105 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 346 [2019-11-07 03:36:14,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:36:14,132 INFO L225 Difference]: With dead ends: 7679 [2019-11-07 03:36:14,132 INFO L226 Difference]: Without dead ends: 3886 [2019-11-07 03:36:14,148 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 03:36:14,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3886 states. [2019-11-07 03:36:14,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3886 to 3886. [2019-11-07 03:36:14,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3886 states. [2019-11-07 03:36:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3886 states to 3886 states and 5220 transitions. [2019-11-07 03:36:14,297 INFO L78 Accepts]: Start accepts. Automaton has 3886 states and 5220 transitions. Word has length 346 [2019-11-07 03:36:14,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:36:14,298 INFO L462 AbstractCegarLoop]: Abstraction has 3886 states and 5220 transitions. [2019-11-07 03:36:14,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 03:36:14,298 INFO L276 IsEmpty]: Start isEmpty. Operand 3886 states and 5220 transitions. [2019-11-07 03:36:14,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-11-07 03:36:14,311 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:36:14,312 INFO L410 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:36:14,312 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:36:14,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:36:14,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1117427197, now seen corresponding path program 1 times [2019-11-07 03:36:14,313 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:36:14,313 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156751115] [2019-11-07 03:36:14,313 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:36:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat