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-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 02:50:27,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:50:27,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:50:27,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:50:27,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:50:27,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:50:27,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:50:27,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:50:27,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:50:27,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:50:27,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:50:27,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:50:27,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:50:27,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:50:27,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:50:27,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:50:27,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:50:27,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:50:27,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:50:27,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:50:27,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:50:27,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:50:27,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:50:27,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:50:27,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:50:27,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:50:27,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:50:27,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:50:27,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:50:27,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:50:27,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:50:27,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:50:27,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:50:27,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:50:27,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:50:27,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:50:27,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:50:27,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:50:27,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:50:27,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:50:27,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:50:27,350 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 02:50:27,367 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:50:27,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:50:27,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:50:27,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:50:27,369 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:50:27,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:50:27,370 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:50:27,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:50:27,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:50:27,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:50:27,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:50:27,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:50:27,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:50:27,371 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:50:27,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:50:27,372 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:50:27,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:50:27,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:50:27,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:50:27,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:50:27,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:50:27,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:50:27,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:50:27,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:50:27,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:50:27,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:50:27,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:50:27,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:50:27,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:50:27,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:50:27,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:50:27,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:50:27,687 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:50:27,688 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:50:27,688 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2019-10-15 02:50:27,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dc5b5057/c7ba91033ad7459096422e674095a131/FLAGc1b7138ca [2019-10-15 02:50:28,498 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:50:28,499 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2019-10-15 02:50:28,541 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dc5b5057/c7ba91033ad7459096422e674095a131/FLAGc1b7138ca [2019-10-15 02:50:29,053 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dc5b5057/c7ba91033ad7459096422e674095a131 [2019-10-15 02:50:29,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:50:29,065 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:50:29,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:50:29,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:50:29,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:50:29,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:50:29" (1/1) ... [2019-10-15 02:50:29,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1422a055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:29, skipping insertion in model container [2019-10-15 02:50:29,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:50:29" (1/1) ... [2019-10-15 02:50:29,083 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:50:29,254 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:50:31,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:50:31,686 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:50:32,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:50:32,313 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:50:32,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:32 WrapperNode [2019-10-15 02:50:32,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:50:32,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:50:32,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:50:32,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:50:32,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:32" (1/1) ... [2019-10-15 02:50:32,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:32" (1/1) ... [2019-10-15 02:50:32,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:32" (1/1) ... [2019-10-15 02:50:32,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:32" (1/1) ... [2019-10-15 02:50:32,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:32" (1/1) ... [2019-10-15 02:50:32,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:32" (1/1) ... [2019-10-15 02:50:32,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:32" (1/1) ... [2019-10-15 02:50:32,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:50:32,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:50:32,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:50:32,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:50:32,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:50:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:50:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:50:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 02:50:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2019-10-15 02:50:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:50:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:50:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 02:50:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-15 02:50:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 02:50:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2019-10-15 02:50:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2019-10-15 02:50:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2019-10-15 02:50:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2019-10-15 02:50:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 02:50:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-15 02:50:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-15 02:50:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2019-10-15 02:50:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:50:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 02:50:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 02:50:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 02:50:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 02:50:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 02:50:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 02:50:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 02:50:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 02:50:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-15 02:50:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 02:50:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 02:50:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2019-10-15 02:50:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-15 02:50:32,817 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2019-10-15 02:50:32,817 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2019-10-15 02:50:32,817 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2019-10-15 02:50:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_lock_nointr [2019-10-15 02:50:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sector [2019-10-15 02:50:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_md_layout_to_format [2019-10-15 02:50:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_md_layout_to_copies [2019-10-15 02:50:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_format_to_md_layout [2019-10-15 02:50:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure get_raid_type [2019-10-15 02:50:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure context_alloc [2019-10-15 02:50:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure context_free [2019-10-15 02:50:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_parms [2019-10-15 02:50:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_region_size [2019-10-15 02:50:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_raid_redundancy [2019-10-15 02:50:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_raid_params [2019-10-15 02:50:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure do_table_event [2019-10-15 02:50:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_is_congested [2019-10-15 02:50:32,820 INFO L138 BoogieDeclarations]: Found implementation of procedure read_disk_sb [2019-10-15 02:50:32,820 INFO L138 BoogieDeclarations]: Found implementation of procedure super_sync [2019-10-15 02:50:32,820 INFO L138 BoogieDeclarations]: Found implementation of procedure super_load [2019-10-15 02:50:32,820 INFO L138 BoogieDeclarations]: Found implementation of procedure super_init_validation [2019-10-15 02:50:32,820 INFO L138 BoogieDeclarations]: Found implementation of procedure super_validate [2019-10-15 02:50:32,820 INFO L138 BoogieDeclarations]: Found implementation of procedure analyse_superblocks [2019-10-15 02:50:32,820 INFO L138 BoogieDeclarations]: Found implementation of procedure configure_discard_support [2019-10-15 02:50:32,821 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_ctr [2019-10-15 02:50:32,821 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_dtr [2019-10-15 02:50:32,821 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_map [2019-10-15 02:50:32,821 INFO L138 BoogieDeclarations]: Found implementation of procedure decipher_sync_action [2019-10-15 02:50:32,822 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_status [2019-10-15 02:50:32,823 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_message [2019-10-15 02:50:32,823 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_iterate_devices [2019-10-15 02:50:32,823 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_io_hints [2019-10-15 02:50:32,823 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_presuspend [2019-10-15 02:50:32,823 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_postsuspend [2019-10-15 02:50:32,823 INFO L138 BoogieDeclarations]: Found implementation of procedure attempt_restore_of_faulty_devices [2019-10-15 02:50:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_resume [2019-10-15 02:50:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_merge [2019-10-15 02:50:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_raid_init [2019-10-15 02:50:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_raid_exit [2019-10-15 02:50:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-15 02:50:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-15 02:50:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-15 02:50:32,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_2 [2019-10-15 02:50:32,826 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-15 02:50:32,827 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-15 02:50:32,828 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-15 02:50:32,828 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:50:32,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-15 02:50:32,829 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-15 02:50:32,829 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-15 02:50:32,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-15 02:50:32,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-15 02:50:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-15 02:50:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-15 02:50:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-15 02:50:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-15 02:50:32,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-15 02:50:32,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-10-15 02:50:32,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_13 [2019-10-15 02:50:32,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-15 02:50:32,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-15 02:50:32,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2019-10-15 02:50:32,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_17 [2019-10-15 02:50:32,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2019-10-15 02:50:32,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_20 [2019-10-15 02:50:32,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:50:32,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-15 02:50:32,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 02:50:32,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 02:50:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 02:50:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 02:50:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-15 02:50:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-15 02:50:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-15 02:50:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-15 02:50:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-15 02:50:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-15 02:50:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-15 02:50:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-15 02:50:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-15 02:50:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-15 02:50:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-15 02:50:32,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 02:50:32,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-15 02:50:32,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 02:50:32,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 02:50:32,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 02:50:32,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 02:50:32,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 02:50:32,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-15 02:50:32,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-15 02:50:32,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-15 02:50:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-15 02:50:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 02:50:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 02:50:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 02:50:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 02:50:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 02:50:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 02:50:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 02:50:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-15 02:50:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-15 02:50:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-15 02:50:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-15 02:50:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_reconfig_mutex_of_mddev [2019-10-15 02:50:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_reconfig_mutex_of_mddev [2019-10-15 02:50:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_reconfig_mutex_of_mddev [2019-10-15 02:50:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_reconfig_mutex_of_mddev [2019-10-15 02:50:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_reconfig_mutex_of_mddev [2019-10-15 02:50:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_reconfig_mutex_of_mddev [2019-10-15 02:50:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_reconfig_mutex_of_mddev [2019-10-15 02:50:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_reconfig_mutex_of_mddev [2019-10-15 02:50:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_reconfig_mutex_of_mddev [2019-10-15 02:50:32,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_reconfig_mutex_of_mddev [2019-10-15 02:50:32,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_reconfig_mutex_of_mddev [2019-10-15 02:50:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:50:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-15 02:50:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 02:50:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 02:50:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-15 02:50:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-10-15 02:50:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_load [2019-10-15 02:50:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2019-10-15 02:50:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2019-10-15 02:50:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2019-10-15 02:50:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2019-10-15 02:50:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2019-10-15 02:50:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_set_target_max_io_len [2019-10-15 02:50:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_add_target_callbacks [2019-10-15 02:50:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2019-10-15 02:50:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2019-10-15 02:50:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2019-10-15 02:50:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-15 02:50:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2019-10-15 02:50:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:50:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_preresume_2 [2019-10-15 02:50:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-15 02:50:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-15 02:50:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure md_error [2019-10-15 02:50:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure md_rdev_clear [2019-10-15 02:50:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure md_rdev_init [2019-10-15 02:50:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure md_reap_sync_thread [2019-10-15 02:50:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure md_run [2019-10-15 02:50:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure md_stop [2019-10-15 02:50:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure md_stop_writes [2019-10-15 02:50:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2019-10-15 02:50:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_congested [2019-10-15 02:50:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_init [2019-10-15 02:50:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_resume [2019-10-15 02:50:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_suspend [2019-10-15 02:50:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_unlock [2019-10-15 02:50:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 02:50:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-15 02:50:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 02:50:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 02:50:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 02:50:32,859 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2019-10-15 02:50:32,859 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-15 02:50:32,859 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-15 02:50:32,859 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_set_cache_size [2019-10-15 02:50:32,859 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2019-10-15 02:50:32,859 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2019-10-15 02:50:32,859 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_page_io [2019-10-15 02:50:32,860 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:50:32,860 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:50:32,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:50:32,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 02:50:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:50:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 02:50:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 02:50:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-15 02:50:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 02:50:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:50:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2019-10-15 02:50:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2019-10-15 02:50:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2019-10-15 02:50:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 02:50:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2019-10-15 02:50:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2019-10-15 02:50:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2019-10-15 02:50:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 02:50:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 02:50:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 02:50:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 02:50:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:50:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 02:50:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-15 02:50:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:50:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-15 02:50:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-15 02:50:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-15 02:50:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:50:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-15 02:50:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2019-10-15 02:50:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-15 02:50:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-15 02:50:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-15 02:50:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2019-10-15 02:50:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-15 02:50:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 02:50:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_13 [2019-10-15 02:50:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_20 [2019-10-15 02:50:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 02:50:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-15 02:50:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-15 02:50:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-15 02:50:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:50:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 02:50:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:50:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:50:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:50:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:50:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:50:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:50:32,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 02:50:32,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 02:50:32,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 02:50:32,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 02:50:32,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:50:32,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 02:50:32,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 02:50:32,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 02:50:32,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 02:50:32,867 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-15 02:50:32,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_17 [2019-10-15 02:50:32,867 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 02:50:32,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-15 02:50:32,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-10-15 02:50:32,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2019-10-15 02:50:32,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2019-10-15 02:50:32,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-15 02:50:32,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-15 02:50:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 02:50:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 02:50:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 02:50:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 02:50:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 02:50:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_reconfig_mutex_of_mddev [2019-10-15 02:50:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_reconfig_mutex_of_mddev [2019-10-15 02:50:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_reconfig_mutex_of_mddev [2019-10-15 02:50:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-15 02:50:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-15 02:50:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-15 02:50:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-15 02:50:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-15 02:50:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-15 02:50:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-15 02:50:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-15 02:50:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-15 02:50:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-10-15 02:50:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-15 02:50:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:50:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 02:50:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 02:50:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 02:50:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-15 02:50:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-15 02:50:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-15 02:50:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_2 [2019-10-15 02:50:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-15 02:50:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-15 02:50:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-15 02:50:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2019-10-15 02:50:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2019-10-15 02:50:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-15 02:50:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2019-10-15 02:50:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2019-10-15 02:50:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2019-10-15 02:50:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2019-10-15 02:50:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2019-10-15 02:50:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_lock_nointr [2019-10-15 02:50:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_unlock [2019-10-15 02:50:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2019-10-15 02:50:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure md_reap_sync_thread [2019-10-15 02:50:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure md_error [2019-10-15 02:50:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_congested [2019-10-15 02:50:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure sync_page_io [2019-10-15 02:50:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_init [2019-10-15 02:50:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure md_run [2019-10-15 02:50:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure md_stop [2019-10-15 02:50:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure md_stop_writes [2019-10-15 02:50:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure md_rdev_init [2019-10-15 02:50:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure md_rdev_clear [2019-10-15 02:50:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_suspend [2019-10-15 02:50:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_resume [2019-10-15 02:50:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_set_cache_size [2019-10-15 02:50:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_load [2019-10-15 02:50:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2019-10-15 02:50:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2019-10-15 02:50:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2019-10-15 02:50:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2019-10-15 02:50:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_add_target_callbacks [2019-10-15 02:50:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure dm_set_target_max_io_len [2019-10-15 02:50:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2019-10-15 02:50:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2019-10-15 02:50:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure to_sector [2019-10-15 02:50:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:50:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_md_layout_to_format [2019-10-15 02:50:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_md_layout_to_copies [2019-10-15 02:50:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_format_to_md_layout [2019-10-15 02:50:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure get_raid_type [2019-10-15 02:50:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure context_alloc [2019-10-15 02:50:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:50:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure context_free [2019-10-15 02:50:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure dev_parms [2019-10-15 02:50:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure validate_region_size [2019-10-15 02:50:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure validate_raid_redundancy [2019-10-15 02:50:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure parse_raid_params [2019-10-15 02:50:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:50:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure do_table_event [2019-10-15 02:50:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure raid_is_congested [2019-10-15 02:50:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure read_disk_sb [2019-10-15 02:50:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure super_sync [2019-10-15 02:50:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure super_load [2019-10-15 02:50:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure super_init_validation [2019-10-15 02:50:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure super_validate [2019-10-15 02:50:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure analyse_superblocks [2019-10-15 02:50:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure configure_discard_support [2019-10-15 02:50:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure raid_ctr [2019-10-15 02:50:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure raid_dtr [2019-10-15 02:50:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure raid_map [2019-10-15 02:50:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 02:50:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure decipher_sync_action [2019-10-15 02:50:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure raid_status [2019-10-15 02:50:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure raid_message [2019-10-15 02:50:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure raid_iterate_devices [2019-10-15 02:50:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2019-10-15 02:50:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure raid_io_hints [2019-10-15 02:50:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure raid_presuspend [2019-10-15 02:50:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure raid_postsuspend [2019-10-15 02:50:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure attempt_restore_of_faulty_devices [2019-10-15 02:50:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:50:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure raid_resume [2019-10-15 02:50:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure raid_merge [2019-10-15 02:50:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:50:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure dm_raid_init [2019-10-15 02:50:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure dm_raid_exit [2019-10-15 02:50:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_preresume_2 [2019-10-15 02:50:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:50:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:50:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:50:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:50:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-15 02:50:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 02:50:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-15 02:50:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-15 02:50:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-15 02:50:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-15 02:50:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-15 02:50:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-15 02:50:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-15 02:50:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-15 02:50:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-15 02:50:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 02:50:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-15 02:50:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 02:50:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 02:50:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 02:50:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-15 02:50:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-15 02:50:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-15 02:50:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-15 02:50:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 02:50:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 02:50:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 02:50:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 02:50:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-15 02:50:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-15 02:50:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-15 02:50:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-15 02:50:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_reconfig_mutex_of_mddev [2019-10-15 02:50:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_reconfig_mutex_of_mddev [2019-10-15 02:50:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_reconfig_mutex_of_mddev [2019-10-15 02:50:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_reconfig_mutex_of_mddev [2019-10-15 02:50:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_reconfig_mutex_of_mddev [2019-10-15 02:50:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_reconfig_mutex_of_mddev [2019-10-15 02:50:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_reconfig_mutex_of_mddev [2019-10-15 02:50:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_reconfig_mutex_of_mddev [2019-10-15 02:50:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:50:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 02:50:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 02:50:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:50:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:50:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:50:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:50:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:50:33,834 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 02:50:51,433 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:50:51,434 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:50:51,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:50:51 BoogieIcfgContainer [2019-10-15 02:50:51,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:50:51,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:50:51,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:50:51,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:50:51,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:50:29" (1/3) ... [2019-10-15 02:50:51,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44835711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:50:51, skipping insertion in model container [2019-10-15 02:50:51,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:32" (2/3) ... [2019-10-15 02:50:51,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44835711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:50:51, skipping insertion in model container [2019-10-15 02:50:51,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:50:51" (3/3) ... [2019-10-15 02:50:51,446 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2019-10-15 02:50:51,457 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:50:51,468 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:50:51,481 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:50:51,517 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:50:51,517 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:50:51,517 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:50:51,518 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:50:51,518 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:50:51,518 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:50:51,518 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:50:51,518 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:50:51,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states. [2019-10-15 02:50:51,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-15 02:50:51,584 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:50:51,586 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:50:51,588 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:50:51,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:50:51,592 INFO L82 PathProgramCache]: Analyzing trace with hash 2094315199, now seen corresponding path program 1 times [2019-10-15 02:50:51,601 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:50:51,602 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884561695] [2019-10-15 02:50:51,602 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:50:51,602 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:50:51,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:50:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:50:52,664 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-10-15 02:50:52,665 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884561695] [2019-10-15 02:50:52,665 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:50:52,666 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:50:52,666 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674941862] [2019-10-15 02:50:52,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:50:52,671 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:50:52,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:50:52,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:50:52,688 INFO L87 Difference]: Start difference. First operand 1366 states. Second operand 3 states. [2019-10-15 02:50:55,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:50:55,506 INFO L93 Difference]: Finished difference Result 3347 states and 4705 transitions. [2019-10-15 02:50:55,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:50:55,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2019-10-15 02:50:55,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:50:55,556 INFO L225 Difference]: With dead ends: 3347 [2019-10-15 02:50:55,557 INFO L226 Difference]: Without dead ends: 2214 [2019-10-15 02:50:55,572 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:50:55,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2019-10-15 02:50:55,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2211. [2019-10-15 02:50:55,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2211 states. [2019-10-15 02:50:55,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 3084 transitions. [2019-10-15 02:50:55,860 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 3084 transitions. Word has length 156 [2019-10-15 02:50:55,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:50:55,862 INFO L462 AbstractCegarLoop]: Abstraction has 2211 states and 3084 transitions. [2019-10-15 02:50:55,862 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:50:55,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 3084 transitions. [2019-10-15 02:50:55,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-15 02:50:55,869 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:50:55,869 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:50:55,870 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:50:55,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:50:55,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1725734990, now seen corresponding path program 1 times [2019-10-15 02:50:55,870 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:50:55,871 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569807626] [2019-10-15 02:50:55,871 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:50:55,871 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:50:55,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:50:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:50:56,249 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-10-15 02:50:56,250 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569807626] [2019-10-15 02:50:56,250 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:50:56,250 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:50:56,250 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910657953] [2019-10-15 02:50:56,252 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:50:56,252 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:50:56,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:50:56,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:50:56,253 INFO L87 Difference]: Start difference. First operand 2211 states and 3084 transitions. Second operand 3 states. [2019-10-15 02:50:56,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:50:56,332 INFO L93 Difference]: Finished difference Result 2213 states and 3085 transitions. [2019-10-15 02:50:56,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:50:56,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-15 02:50:56,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:50:56,351 INFO L225 Difference]: With dead ends: 2213 [2019-10-15 02:50:56,351 INFO L226 Difference]: Without dead ends: 2210 [2019-10-15 02:50:56,354 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:50:56,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2019-10-15 02:50:56,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 2210. [2019-10-15 02:50:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2210 states. [2019-10-15 02:50:56,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 2210 states and 3082 transitions. [2019-10-15 02:50:56,471 INFO L78 Accepts]: Start accepts. Automaton has 2210 states and 3082 transitions. Word has length 160 [2019-10-15 02:50:56,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:50:56,472 INFO L462 AbstractCegarLoop]: Abstraction has 2210 states and 3082 transitions. [2019-10-15 02:50:56,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:50:56,472 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 3082 transitions. [2019-10-15 02:50:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-15 02:50:56,476 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:50:56,476 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:50:56,476 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:50:56,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:50:56,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1957596530, now seen corresponding path program 1 times [2019-10-15 02:50:56,477 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:50:56,477 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418957428] [2019-10-15 02:50:56,478 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:50:56,478 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:50:56,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:50:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:50:57,896 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-10-15 02:50:57,896 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418957428] [2019-10-15 02:50:57,896 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:50:57,897 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:50:57,897 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510938842] [2019-10-15 02:50:57,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:50:57,898 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:50:57,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:50:57,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:50:57,898 INFO L87 Difference]: Start difference. First operand 2210 states and 3082 transitions. Second operand 3 states. [2019-10-15 02:50:57,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:50:57,985 INFO L93 Difference]: Finished difference Result 2212 states and 3083 transitions. [2019-10-15 02:50:57,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:50:57,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2019-10-15 02:50:57,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:50:58,001 INFO L225 Difference]: With dead ends: 2212 [2019-10-15 02:50:58,001 INFO L226 Difference]: Without dead ends: 2209 [2019-10-15 02:50:58,003 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:50:58,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2209 states. [2019-10-15 02:50:58,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2209 to 2209. [2019-10-15 02:50:58,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2209 states. [2019-10-15 02:50:58,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 2209 states and 3080 transitions. [2019-10-15 02:50:58,118 INFO L78 Accepts]: Start accepts. Automaton has 2209 states and 3080 transitions. Word has length 161 [2019-10-15 02:50:58,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:50:58,119 INFO L462 AbstractCegarLoop]: Abstraction has 2209 states and 3080 transitions. [2019-10-15 02:50:58,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:50:58,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 3080 transitions. [2019-10-15 02:50:58,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-15 02:50:58,123 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:50:58,124 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:50:58,124 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:50:58,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:50:58,125 INFO L82 PathProgramCache]: Analyzing trace with hash 555374545, now seen corresponding path program 1 times [2019-10-15 02:50:58,125 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:50:58,125 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487595616] [2019-10-15 02:50:58,125 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:50:58,126 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:50:58,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:50:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:50:58,595 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-10-15 02:50:58,595 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487595616] [2019-10-15 02:50:58,596 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:50:58,596 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:50:58,596 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954479976] [2019-10-15 02:50:58,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:50:58,597 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:50:58,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:50:58,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:50:58,598 INFO L87 Difference]: Start difference. First operand 2209 states and 3080 transitions. Second operand 3 states. [2019-10-15 02:50:58,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:50:58,709 INFO L93 Difference]: Finished difference Result 2211 states and 3081 transitions. [2019-10-15 02:50:58,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:50:58,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-10-15 02:50:58,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:50:58,727 INFO L225 Difference]: With dead ends: 2211 [2019-10-15 02:50:58,727 INFO L226 Difference]: Without dead ends: 2208 [2019-10-15 02:50:58,729 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:50:58,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2019-10-15 02:50:58,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 2208. [2019-10-15 02:50:58,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2208 states. [2019-10-15 02:50:58,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 2208 states and 3078 transitions. [2019-10-15 02:50:58,880 INFO L78 Accepts]: Start accepts. Automaton has 2208 states and 3078 transitions. Word has length 162 [2019-10-15 02:50:58,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:50:58,881 INFO L462 AbstractCegarLoop]: Abstraction has 2208 states and 3078 transitions. [2019-10-15 02:50:58,881 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:50:58,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 3078 transitions. [2019-10-15 02:50:58,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-15 02:50:58,887 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:50:58,887 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:50:58,888 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:50:58,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:50:58,888 INFO L82 PathProgramCache]: Analyzing trace with hash 36170837, now seen corresponding path program 1 times [2019-10-15 02:50:58,889 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:50:58,889 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182606909] [2019-10-15 02:50:58,889 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:50:58,890 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:50:58,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:50:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:50:59,308 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-10-15 02:50:59,308 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182606909] [2019-10-15 02:50:59,309 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:50:59,309 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:50:59,309 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97391631] [2019-10-15 02:50:59,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:50:59,310 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:50:59,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:50:59,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:50:59,311 INFO L87 Difference]: Start difference. First operand 2208 states and 3078 transitions. Second operand 3 states. [2019-10-15 02:50:59,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:50:59,506 INFO L93 Difference]: Finished difference Result 4320 states and 6045 transitions. [2019-10-15 02:50:59,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:50:59,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2019-10-15 02:50:59,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:50:59,535 INFO L225 Difference]: With dead ends: 4320 [2019-10-15 02:50:59,535 INFO L226 Difference]: Without dead ends: 4304 [2019-10-15 02:50:59,539 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:50:59,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4304 states. [2019-10-15 02:51:00,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4304 to 4304. [2019-10-15 02:51:00,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4304 states. [2019-10-15 02:51:00,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4304 states to 4304 states and 6025 transitions. [2019-10-15 02:51:00,086 INFO L78 Accepts]: Start accepts. Automaton has 4304 states and 6025 transitions. Word has length 163 [2019-10-15 02:51:00,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:00,087 INFO L462 AbstractCegarLoop]: Abstraction has 4304 states and 6025 transitions. [2019-10-15 02:51:00,087 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:00,087 INFO L276 IsEmpty]: Start isEmpty. Operand 4304 states and 6025 transitions. [2019-10-15 02:51:00,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-10-15 02:51:00,116 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:00,117 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2019-10-15 02:51:00,117 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:00,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:00,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1735195271, now seen corresponding path program 1 times [2019-10-15 02:51:00,118 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:00,118 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165037123] [2019-10-15 02:51:00,119 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:00,119 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:00,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:00,634 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2019-10-15 02:51:00,635 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165037123] [2019-10-15 02:51:00,635 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:00,635 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:00,635 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705479200] [2019-10-15 02:51:00,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:00,637 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:00,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:00,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:00,638 INFO L87 Difference]: Start difference. First operand 4304 states and 6025 transitions. Second operand 3 states. [2019-10-15 02:51:01,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:01,598 INFO L93 Difference]: Finished difference Result 8778 states and 12283 transitions. [2019-10-15 02:51:01,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:01,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 309 [2019-10-15 02:51:01,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:01,639 INFO L225 Difference]: With dead ends: 8778 [2019-10-15 02:51:01,639 INFO L226 Difference]: Without dead ends: 4520 [2019-10-15 02:51:01,669 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:01,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4520 states. [2019-10-15 02:51:01,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4520 to 4505. [2019-10-15 02:51:01,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4505 states. [2019-10-15 02:51:02,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4505 states to 4505 states and 6301 transitions. [2019-10-15 02:51:02,009 INFO L78 Accepts]: Start accepts. Automaton has 4505 states and 6301 transitions. Word has length 309 [2019-10-15 02:51:02,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:02,009 INFO L462 AbstractCegarLoop]: Abstraction has 4505 states and 6301 transitions. [2019-10-15 02:51:02,010 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:02,010 INFO L276 IsEmpty]: Start isEmpty. Operand 4505 states and 6301 transitions. [2019-10-15 02:51:02,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2019-10-15 02:51:02,031 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:02,032 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-15 02:51:02,032 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:02,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:02,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1714410350, now seen corresponding path program 1 times [2019-10-15 02:51:02,033 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:02,033 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700285160] [2019-10-15 02:51:02,033 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:02,034 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:02,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:02,691 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2019-10-15 02:51:02,692 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700285160] [2019-10-15 02:51:02,692 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:02,692 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:02,693 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60400415] [2019-10-15 02:51:02,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:02,695 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:02,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:02,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:02,696 INFO L87 Difference]: Start difference. First operand 4505 states and 6301 transitions. Second operand 3 states. [2019-10-15 02:51:02,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:02,986 INFO L93 Difference]: Finished difference Result 9063 states and 12711 transitions. [2019-10-15 02:51:02,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:02,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 333 [2019-10-15 02:51:02,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:03,024 INFO L225 Difference]: With dead ends: 9063 [2019-10-15 02:51:03,025 INFO L226 Difference]: Without dead ends: 4613 [2019-10-15 02:51:03,051 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:03,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4613 states.