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-f4eb214f-m [2019-10-13 22:47:51,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:47:51,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:47:51,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:47:51,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:47:51,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:47:51,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:47:51,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:47:51,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:47:51,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:47:51,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:47:51,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:47:51,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:47:51,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:47:51,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:47:51,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:47:51,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:47:51,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:47:51,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:47:51,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:47:51,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:47:51,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:47:51,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:47:51,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:47:51,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:47:51,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:47:51,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:47:51,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:47:51,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:47:51,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:47:51,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:47:51,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:47:51,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:47:51,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:47:51,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:47:51,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:47:51,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:47:51,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:47:51,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:47:51,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:47:51,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:47:51,760 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 [2019-10-13 22:47:51,776 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:47:51,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:47:51,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:47:51,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:47:51,778 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:47:51,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:47:51,778 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:47:51,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:47:51,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:47:51,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:47:51,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:47:51,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:47:51,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:47:51,780 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:47:51,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:47:51,780 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:47:51,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:47:51,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:47:51,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:47:51,781 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:47:51,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:47:51,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:47:51,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:47:51,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:47:51,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:47:51,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:47:51,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:47:51,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:47:51,783 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 [2019-10-13 22:47:52,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:47:52,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:47:52,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:47:52,143 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:47:52,144 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:47:52,145 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2019-10-13 22:47:52,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05ab046ff/fd6c5117dc294e67b696d2c4db0e8080/FLAG06bda09d0 [2019-10-13 22:47:53,033 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:47:53,034 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2019-10-13 22:47:53,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05ab046ff/fd6c5117dc294e67b696d2c4db0e8080/FLAG06bda09d0 [2019-10-13 22:47:53,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05ab046ff/fd6c5117dc294e67b696d2c4db0e8080 [2019-10-13 22:47:53,522 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:47:53,524 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:47:53,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:47:53,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:47:53,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:47:53,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:47:53" (1/1) ... [2019-10-13 22:47:53,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@181709c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:47:53, skipping insertion in model container [2019-10-13 22:47:53,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:47:53" (1/1) ... [2019-10-13 22:47:53,542 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:47:53,712 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:47:56,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:47:56,113 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:47:56,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:47:56,742 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:47:56,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:47:56 WrapperNode [2019-10-13 22:47:56,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:47:56,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:47:56,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:47:56,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:47:56,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:47:56" (1/1) ... [2019-10-13 22:47:56,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:47:56" (1/1) ... [2019-10-13 22:47:56,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:47:56" (1/1) ... [2019-10-13 22:47:56,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:47:56" (1/1) ... [2019-10-13 22:47:56,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:47:56" (1/1) ... [2019-10-13 22:47:57,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:47:56" (1/1) ... [2019-10-13 22:47:57,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:47:56" (1/1) ... [2019-10-13 22:47:57,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:47:57,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:47:57,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:47:57,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:47:57,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:47:56" (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 [2019-10-13 22:47:57,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:47:57,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:47:57,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 22:47:57,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2019-10-13 22:47:57,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:47:57,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:47:57,172 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 22:47:57,173 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 22:47:57,173 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 22:47:57,173 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2019-10-13 22:47:57,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2019-10-13 22:47:57,175 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2019-10-13 22:47:57,175 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2019-10-13 22:47:57,175 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 22:47:57,175 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-13 22:47:57,176 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-13 22:47:57,180 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2019-10-13 22:47:57,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:47:57,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:47:57,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 22:47:57,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 22:47:57,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:47:57,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:47:57,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:47:57,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:47:57,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:47:57,182 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-13 22:47:57,182 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:47:57,183 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 22:47:57,183 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2019-10-13 22:47:57,183 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-13 22:47:57,184 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2019-10-13 22:47:57,184 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2019-10-13 22:47:57,184 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2019-10-13 22:47:57,185 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_lock_nointr [2019-10-13 22:47:57,185 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sector [2019-10-13 22:47:57,185 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_md_layout_to_format [2019-10-13 22:47:57,185 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_md_layout_to_copies [2019-10-13 22:47:57,185 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_format_to_md_layout [2019-10-13 22:47:57,185 INFO L138 BoogieDeclarations]: Found implementation of procedure get_raid_type [2019-10-13 22:47:57,186 INFO L138 BoogieDeclarations]: Found implementation of procedure context_alloc [2019-10-13 22:47:57,186 INFO L138 BoogieDeclarations]: Found implementation of procedure context_free [2019-10-13 22:47:57,186 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_parms [2019-10-13 22:47:57,186 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_region_size [2019-10-13 22:47:57,186 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_raid_redundancy [2019-10-13 22:47:57,186 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_raid_params [2019-10-13 22:47:57,186 INFO L138 BoogieDeclarations]: Found implementation of procedure do_table_event [2019-10-13 22:47:57,187 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_is_congested [2019-10-13 22:47:57,187 INFO L138 BoogieDeclarations]: Found implementation of procedure read_disk_sb [2019-10-13 22:47:57,187 INFO L138 BoogieDeclarations]: Found implementation of procedure super_sync [2019-10-13 22:47:57,187 INFO L138 BoogieDeclarations]: Found implementation of procedure super_load [2019-10-13 22:47:57,187 INFO L138 BoogieDeclarations]: Found implementation of procedure super_init_validation [2019-10-13 22:47:57,187 INFO L138 BoogieDeclarations]: Found implementation of procedure super_validate [2019-10-13 22:47:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure analyse_superblocks [2019-10-13 22:47:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure configure_discard_support [2019-10-13 22:47:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_ctr [2019-10-13 22:47:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_dtr [2019-10-13 22:47:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_map [2019-10-13 22:47:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure decipher_sync_action [2019-10-13 22:47:57,189 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_status [2019-10-13 22:47:57,189 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_message [2019-10-13 22:47:57,190 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_iterate_devices [2019-10-13 22:47:57,190 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_io_hints [2019-10-13 22:47:57,190 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_presuspend [2019-10-13 22:47:57,190 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_postsuspend [2019-10-13 22:47:57,190 INFO L138 BoogieDeclarations]: Found implementation of procedure attempt_restore_of_faulty_devices [2019-10-13 22:47:57,190 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_resume [2019-10-13 22:47:57,190 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_merge [2019-10-13 22:47:57,191 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_raid_init [2019-10-13 22:47:57,191 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_raid_exit [2019-10-13 22:47:57,191 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-13 22:47:57,192 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-13 22:47:57,192 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-13 22:47:57,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_2 [2019-10-13 22:47:57,193 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-13 22:47:57,193 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-13 22:47:57,194 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-13 22:47:57,194 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:47:57,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-13 22:47:57,194 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 22:47:57,194 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 22:47:57,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-13 22:47:57,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-13 22:47:57,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-13 22:47:57,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-13 22:47:57,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-13 22:47:57,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-13 22:47:57,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-13 22:47:57,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-10-13 22:47:57,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_13 [2019-10-13 22:47:57,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-13 22:47:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-13 22:47:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2019-10-13 22:47:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_17 [2019-10-13 22:47:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2019-10-13 22:47:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_20 [2019-10-13 22:47:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:47:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-13 22:47:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:47:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 22:47:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 22:47:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 22:47:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 22:47:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 22:47:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 22:47:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 22:47:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 22:47:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 22:47:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 22:47:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 22:47:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 22:47:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 22:47:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 22:47:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 22:47:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 22:47:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 22:47:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 22:47:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:47:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 22:47:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 22:47:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-13 22:47:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-13 22:47:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 22:47:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-13 22:47:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 22:47:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 22:47:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:47:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:47:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:47:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:47:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:47:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 22:47:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 22:47:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 22:47:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 22:47:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_reconfig_mutex_of_mddev [2019-10-13 22:47:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_reconfig_mutex_of_mddev [2019-10-13 22:47:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_reconfig_mutex_of_mddev [2019-10-13 22:47:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_reconfig_mutex_of_mddev [2019-10-13 22:47:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_reconfig_mutex_of_mddev [2019-10-13 22:47:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_reconfig_mutex_of_mddev [2019-10-13 22:47:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_reconfig_mutex_of_mddev [2019-10-13 22:47:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_reconfig_mutex_of_mddev [2019-10-13 22:47:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_reconfig_mutex_of_mddev [2019-10-13 22:47:57,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_reconfig_mutex_of_mddev [2019-10-13 22:47:57,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_reconfig_mutex_of_mddev [2019-10-13 22:47:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:47:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 22:47:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:47:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 22:47:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-13 22:47:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-10-13 22:47:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_load [2019-10-13 22:47:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2019-10-13 22:47:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2019-10-13 22:47:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2019-10-13 22:47:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2019-10-13 22:47:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2019-10-13 22:47:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_set_target_max_io_len [2019-10-13 22:47:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_add_target_callbacks [2019-10-13 22:47:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2019-10-13 22:47:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2019-10-13 22:47:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2019-10-13 22:47:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-13 22:47:57,222 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2019-10-13 22:47:57,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:47:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_preresume_2 [2019-10-13 22:47:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 22:47:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 22:47:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure md_error [2019-10-13 22:47:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure md_rdev_clear [2019-10-13 22:47:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure md_rdev_init [2019-10-13 22:47:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure md_reap_sync_thread [2019-10-13 22:47:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure md_run [2019-10-13 22:47:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure md_stop [2019-10-13 22:47:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure md_stop_writes [2019-10-13 22:47:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2019-10-13 22:47:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_congested [2019-10-13 22:47:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_init [2019-10-13 22:47:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_resume [2019-10-13 22:47:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_suspend [2019-10-13 22:47:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_unlock [2019-10-13 22:47:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 22:47:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-13 22:47:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 22:47:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:47:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:47:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2019-10-13 22:47:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-13 22:47:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-13 22:47:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_set_cache_size [2019-10-13 22:47:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2019-10-13 22:47:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2019-10-13 22:47:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_page_io [2019-10-13 22:47:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:47:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:47:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:47:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:47:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:47:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:47:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 22:47:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 22:47:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 22:47:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:47:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2019-10-13 22:47:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2019-10-13 22:47:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2019-10-13 22:47:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:47:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2019-10-13 22:47:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2019-10-13 22:47:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2019-10-13 22:47:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:47:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 22:47:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 22:47:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 22:47:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:47:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 22:47:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-13 22:47:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:47:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-13 22:47:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 22:47:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-13 22:47:57,230 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:47:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-13 22:47:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2019-10-13 22:47:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-13 22:47:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 22:47:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 22:47:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2019-10-13 22:47:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 22:47:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 22:47:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_13 [2019-10-13 22:47:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_20 [2019-10-13 22:47:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:47:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-13 22:47:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-13 22:47:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-13 22:47:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:47:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:47:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:47:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:47:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:47:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:47:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:47:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:47:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:47:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:47:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 22:47:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 22:47:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:47:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:47:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:47:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:47:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:47:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-13 22:47:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_17 [2019-10-13 22:47:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 22:47:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-13 22:47:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-10-13 22:47:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2019-10-13 22:47:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2019-10-13 22:47:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 22:47:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 22:47:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 22:47:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 22:47:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:47:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:47:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:47:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_reconfig_mutex_of_mddev [2019-10-13 22:47:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_reconfig_mutex_of_mddev [2019-10-13 22:47:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_reconfig_mutex_of_mddev [2019-10-13 22:47:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 22:47:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-13 22:47:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-13 22:47:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-13 22:47:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-13 22:47:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-13 22:47:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-13 22:47:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-13 22:47:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-13 22:47:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-10-13 22:47:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-13 22:47:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:47:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:47:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:47:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 22:47:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-13 22:47:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-13 22:47:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-13 22:47:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_2 [2019-10-13 22:47:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-13 22:47:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-13 22:47:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-13 22:47:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2019-10-13 22:47:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2019-10-13 22:47:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-13 22:47:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2019-10-13 22:47:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2019-10-13 22:47:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2019-10-13 22:47:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2019-10-13 22:47:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2019-10-13 22:47:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_lock_nointr [2019-10-13 22:47:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_unlock [2019-10-13 22:47:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2019-10-13 22:47:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure md_reap_sync_thread [2019-10-13 22:47:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure md_error [2019-10-13 22:47:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_congested [2019-10-13 22:47:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure sync_page_io [2019-10-13 22:47:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_init [2019-10-13 22:47:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure md_run [2019-10-13 22:47:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure md_stop [2019-10-13 22:47:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure md_stop_writes [2019-10-13 22:47:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure md_rdev_init [2019-10-13 22:47:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure md_rdev_clear [2019-10-13 22:47:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_suspend [2019-10-13 22:47:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_resume [2019-10-13 22:47:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_set_cache_size [2019-10-13 22:47:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_load [2019-10-13 22:47:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2019-10-13 22:47:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2019-10-13 22:47:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2019-10-13 22:47:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2019-10-13 22:47:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_add_target_callbacks [2019-10-13 22:47:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure dm_set_target_max_io_len [2019-10-13 22:47:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2019-10-13 22:47:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2019-10-13 22:47:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure to_sector [2019-10-13 22:47:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:47:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_md_layout_to_format [2019-10-13 22:47:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_md_layout_to_copies [2019-10-13 22:47:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_format_to_md_layout [2019-10-13 22:47:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure get_raid_type [2019-10-13 22:47:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure context_alloc [2019-10-13 22:47:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:47:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure context_free [2019-10-13 22:47:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure dev_parms [2019-10-13 22:47:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure validate_region_size [2019-10-13 22:47:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure validate_raid_redundancy [2019-10-13 22:47:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure parse_raid_params [2019-10-13 22:47:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:47:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure do_table_event [2019-10-13 22:47:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure raid_is_congested [2019-10-13 22:47:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure read_disk_sb [2019-10-13 22:47:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure super_sync [2019-10-13 22:47:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure super_load [2019-10-13 22:47:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure super_init_validation [2019-10-13 22:47:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure super_validate [2019-10-13 22:47:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure analyse_superblocks [2019-10-13 22:47:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure configure_discard_support [2019-10-13 22:47:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure raid_ctr [2019-10-13 22:47:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure raid_dtr [2019-10-13 22:47:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure raid_map [2019-10-13 22:47:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 22:47:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure decipher_sync_action [2019-10-13 22:47:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure raid_status [2019-10-13 22:47:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure raid_message [2019-10-13 22:47:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure raid_iterate_devices [2019-10-13 22:47:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2019-10-13 22:47:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure raid_io_hints [2019-10-13 22:47:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure raid_presuspend [2019-10-13 22:47:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure raid_postsuspend [2019-10-13 22:47:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure attempt_restore_of_faulty_devices [2019-10-13 22:47:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:47:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure raid_resume [2019-10-13 22:47:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure raid_merge [2019-10-13 22:47:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:47:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure dm_raid_init [2019-10-13 22:47:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure dm_raid_exit [2019-10-13 22:47:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_preresume_2 [2019-10-13 22:47:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:47:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:47:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:47:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:47:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-13 22:47:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 22:47:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 22:47:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 22:47:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 22:47:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 22:47:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 22:47:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 22:47:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 22:47:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 22:47:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 22:47:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 22:47:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 22:47:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 22:47:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:47:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 22:47:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-13 22:47:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-13 22:47:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 22:47:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-13 22:47:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 22:47:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 22:47:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:47:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:47:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 22:47:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 22:47:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 22:47:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 22:47:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_reconfig_mutex_of_mddev [2019-10-13 22:47:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_reconfig_mutex_of_mddev [2019-10-13 22:47:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_reconfig_mutex_of_mddev [2019-10-13 22:47:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_reconfig_mutex_of_mddev [2019-10-13 22:47:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_reconfig_mutex_of_mddev [2019-10-13 22:47:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_reconfig_mutex_of_mddev [2019-10-13 22:47:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_reconfig_mutex_of_mddev [2019-10-13 22:47:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_reconfig_mutex_of_mddev [2019-10-13 22:47:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:47:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 22:47:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 22:47:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:47:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:47:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:47:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:47:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:47:58,305 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:48:16,748 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:48:16,748 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:48:16,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:48:16 BoogieIcfgContainer [2019-10-13 22:48:16,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:48:16,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:48:16,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:48:16,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:48:16,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:47:53" (1/3) ... [2019-10-13 22:48:16,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1160f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:48:16, skipping insertion in model container [2019-10-13 22:48:16,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:47:56" (2/3) ... [2019-10-13 22:48:16,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1160f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:48:16, skipping insertion in model container [2019-10-13 22:48:16,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:48:16" (3/3) ... [2019-10-13 22:48:16,759 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2019-10-13 22:48:16,769 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:48:16,780 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:48:16,794 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:48:16,834 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:48:16,834 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:48:16,834 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:48:16,835 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:48:16,835 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:48:16,835 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:48:16,835 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:48:16,835 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:48:16,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states. [2019-10-13 22:48:16,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-13 22:48:16,906 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:48:16,907 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] [2019-10-13 22:48:16,910 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:48:16,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:48:16,916 INFO L82 PathProgramCache]: Analyzing trace with hash 2094315199, now seen corresponding path program 1 times [2019-10-13 22:48:16,925 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:48:16,925 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985993709] [2019-10-13 22:48:16,925 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:16,926 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:16,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:48:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:48:18,130 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-10-13 22:48:18,131 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985993709] [2019-10-13 22:48:18,131 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:48:18,132 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:48:18,132 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065483871] [2019-10-13 22:48:18,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:48:18,137 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:48:18,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:48:18,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:48:18,154 INFO L87 Difference]: Start difference. First operand 1366 states. Second operand 3 states. [2019-10-13 22:48:20,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:48:20,894 INFO L93 Difference]: Finished difference Result 3347 states and 4705 transitions. [2019-10-13 22:48:20,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:48:20,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2019-10-13 22:48:20,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:48:20,944 INFO L225 Difference]: With dead ends: 3347 [2019-10-13 22:48:20,944 INFO L226 Difference]: Without dead ends: 2214 [2019-10-13 22:48:20,959 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 [2019-10-13 22:48:20,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2019-10-13 22:48:21,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2211. [2019-10-13 22:48:21,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2211 states. [2019-10-13 22:48:21,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 3084 transitions. [2019-10-13 22:48:21,217 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 3084 transitions. Word has length 156 [2019-10-13 22:48:21,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:48:21,219 INFO L462 AbstractCegarLoop]: Abstraction has 2211 states and 3084 transitions. [2019-10-13 22:48:21,219 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:48:21,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 3084 transitions. [2019-10-13 22:48:21,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-13 22:48:21,225 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:48:21,226 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] [2019-10-13 22:48:21,226 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:48:21,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:48:21,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1725734990, now seen corresponding path program 1 times [2019-10-13 22:48:21,227 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:48:21,227 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566200138] [2019-10-13 22:48:21,227 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:21,227 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:21,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:48:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:48:21,724 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-10-13 22:48:21,724 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566200138] [2019-10-13 22:48:21,724 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:48:21,724 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:48:21,725 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253158288] [2019-10-13 22:48:21,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:48:21,728 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:48:21,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:48:21,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:48:21,729 INFO L87 Difference]: Start difference. First operand 2211 states and 3084 transitions. Second operand 3 states. [2019-10-13 22:48:21,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:48:21,812 INFO L93 Difference]: Finished difference Result 2213 states and 3085 transitions. [2019-10-13 22:48:21,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:48:21,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-13 22:48:21,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:48:21,834 INFO L225 Difference]: With dead ends: 2213 [2019-10-13 22:48:21,834 INFO L226 Difference]: Without dead ends: 2210 [2019-10-13 22:48:21,838 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 [2019-10-13 22:48:21,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2019-10-13 22:48:21,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 2210. [2019-10-13 22:48:21,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2210 states. [2019-10-13 22:48:21,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 2210 states and 3082 transitions. [2019-10-13 22:48:21,955 INFO L78 Accepts]: Start accepts. Automaton has 2210 states and 3082 transitions. Word has length 160 [2019-10-13 22:48:21,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:48:21,957 INFO L462 AbstractCegarLoop]: Abstraction has 2210 states and 3082 transitions. [2019-10-13 22:48:21,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:48:21,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 3082 transitions. [2019-10-13 22:48:21,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-13 22:48:21,963 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:48:21,963 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] [2019-10-13 22:48:21,964 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:48:21,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:48:21,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1957596530, now seen corresponding path program 1 times [2019-10-13 22:48:21,968 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:48:21,968 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092661871] [2019-10-13 22:48:21,968 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:21,968 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:21,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:48:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:48:22,526 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-10-13 22:48:22,527 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092661871] [2019-10-13 22:48:22,527 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:48:22,527 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:48:22,527 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107037830] [2019-10-13 22:48:22,528 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:48:22,528 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:48:22,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:48:22,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:48:22,529 INFO L87 Difference]: Start difference. First operand 2210 states and 3082 transitions. Second operand 3 states. [2019-10-13 22:48:22,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:48:22,620 INFO L93 Difference]: Finished difference Result 2212 states and 3083 transitions. [2019-10-13 22:48:22,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:48:22,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2019-10-13 22:48:22,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:48:22,653 INFO L225 Difference]: With dead ends: 2212 [2019-10-13 22:48:22,653 INFO L226 Difference]: Without dead ends: 2209 [2019-10-13 22:48:22,659 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 [2019-10-13 22:48:22,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2209 states. [2019-10-13 22:48:22,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2209 to 2209. [2019-10-13 22:48:22,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2209 states. [2019-10-13 22:48:22,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 2209 states and 3080 transitions. [2019-10-13 22:48:22,780 INFO L78 Accepts]: Start accepts. Automaton has 2209 states and 3080 transitions. Word has length 161 [2019-10-13 22:48:22,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:48:22,780 INFO L462 AbstractCegarLoop]: Abstraction has 2209 states and 3080 transitions. [2019-10-13 22:48:22,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:48:22,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 3080 transitions. [2019-10-13 22:48:22,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-13 22:48:22,787 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:48:22,787 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] [2019-10-13 22:48:22,787 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:48:22,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:48:22,788 INFO L82 PathProgramCache]: Analyzing trace with hash 555374545, now seen corresponding path program 1 times [2019-10-13 22:48:22,788 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:48:22,788 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184808389] [2019-10-13 22:48:22,788 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:22,789 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:22,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:48:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:48:23,214 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-10-13 22:48:23,215 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184808389] [2019-10-13 22:48:23,215 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:48:23,215 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:48:23,215 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983721530] [2019-10-13 22:48:23,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:48:23,216 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:48:23,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:48:23,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:48:23,217 INFO L87 Difference]: Start difference. First operand 2209 states and 3080 transitions. Second operand 3 states. [2019-10-13 22:48:23,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:48:23,296 INFO L93 Difference]: Finished difference Result 2211 states and 3081 transitions. [2019-10-13 22:48:23,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:48:23,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-10-13 22:48:23,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:48:23,310 INFO L225 Difference]: With dead ends: 2211 [2019-10-13 22:48:23,310 INFO L226 Difference]: Without dead ends: 2208 [2019-10-13 22:48:23,312 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 [2019-10-13 22:48:23,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2019-10-13 22:48:23,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 2208. [2019-10-13 22:48:23,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2208 states. [2019-10-13 22:48:23,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 2208 states and 3078 transitions. [2019-10-13 22:48:23,418 INFO L78 Accepts]: Start accepts. Automaton has 2208 states and 3078 transitions. Word has length 162 [2019-10-13 22:48:23,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:48:23,419 INFO L462 AbstractCegarLoop]: Abstraction has 2208 states and 3078 transitions. [2019-10-13 22:48:23,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:48:23,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 3078 transitions. [2019-10-13 22:48:23,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-13 22:48:23,423 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:48:23,423 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] [2019-10-13 22:48:23,424 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:48:23,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:48:23,424 INFO L82 PathProgramCache]: Analyzing trace with hash 36170837, now seen corresponding path program 1 times [2019-10-13 22:48:23,424 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:48:23,425 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771260218] [2019-10-13 22:48:23,425 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:23,425 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:23,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:48:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:48:23,833 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-10-13 22:48:23,834 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771260218] [2019-10-13 22:48:23,834 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:48:23,835 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:48:23,835 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479053500] [2019-10-13 22:48:23,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:48:23,836 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:48:23,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:48:23,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:48:23,837 INFO L87 Difference]: Start difference. First operand 2208 states and 3078 transitions. Second operand 3 states. [2019-10-13 22:48:24,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:48:24,009 INFO L93 Difference]: Finished difference Result 4320 states and 6045 transitions. [2019-10-13 22:48:24,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:48:24,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2019-10-13 22:48:24,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:48:24,037 INFO L225 Difference]: With dead ends: 4320 [2019-10-13 22:48:24,037 INFO L226 Difference]: Without dead ends: 4304 [2019-10-13 22:48:24,041 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 [2019-10-13 22:48:24,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4304 states. [2019-10-13 22:48:25,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4304 to 4304. [2019-10-13 22:48:25,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4304 states. [2019-10-13 22:48:25,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4304 states to 4304 states and 6025 transitions. [2019-10-13 22:48:25,036 INFO L78 Accepts]: Start accepts. Automaton has 4304 states and 6025 transitions. Word has length 163 [2019-10-13 22:48:25,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:48:25,039 INFO L462 AbstractCegarLoop]: Abstraction has 4304 states and 6025 transitions. [2019-10-13 22:48:25,039 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:48:25,040 INFO L276 IsEmpty]: Start isEmpty. Operand 4304 states and 6025 transitions. [2019-10-13 22:48:25,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-10-13 22:48:25,057 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:48:25,057 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] [2019-10-13 22:48:25,058 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:48:25,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:48:25,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1735195271, now seen corresponding path program 1 times [2019-10-13 22:48:25,058 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:48:25,059 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239719684] [2019-10-13 22:48:25,059 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:25,059 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:25,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:48:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:48:25,704 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2019-10-13 22:48:25,704 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239719684] [2019-10-13 22:48:25,705 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:48:25,705 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:48:25,705 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970684973] [2019-10-13 22:48:25,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:48:25,707 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:48:25,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:48:25,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:48:25,708 INFO L87 Difference]: Start difference. First operand 4304 states and 6025 transitions. Second operand 3 states. [2019-10-13 22:48:26,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:48:26,737 INFO L93 Difference]: Finished difference Result 8778 states and 12283 transitions. [2019-10-13 22:48:26,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:48:26,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 309 [2019-10-13 22:48:26,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:48:26,767 INFO L225 Difference]: With dead ends: 8778 [2019-10-13 22:48:26,767 INFO L226 Difference]: Without dead ends: 4520 [2019-10-13 22:48:26,787 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 [2019-10-13 22:48:26,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4520 states. [2019-10-13 22:48:27,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4520 to 4505. [2019-10-13 22:48:27,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4505 states. [2019-10-13 22:48:27,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4505 states to 4505 states and 6301 transitions. [2019-10-13 22:48:27,091 INFO L78 Accepts]: Start accepts. Automaton has 4505 states and 6301 transitions. Word has length 309 [2019-10-13 22:48:27,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:48:27,092 INFO L462 AbstractCegarLoop]: Abstraction has 4505 states and 6301 transitions. [2019-10-13 22:48:27,092 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:48:27,092 INFO L276 IsEmpty]: Start isEmpty. Operand 4505 states and 6301 transitions. [2019-10-13 22:48:27,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2019-10-13 22:48:27,124 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:48:27,125 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] [2019-10-13 22:48:27,125 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:48:27,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:48:27,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1714410350, now seen corresponding path program 1 times [2019-10-13 22:48:27,126 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:48:27,126 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681991055] [2019-10-13 22:48:27,127 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:27,127 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:27,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:48:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat