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-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:12:04,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:12:04,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:12:04,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:12:04,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:12:04,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:12:04,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:12:04,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:12:04,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:12:04,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:12:04,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:12:04,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:12:04,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:12:04,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:12:04,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:12:04,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:12:04,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:12:04,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:12:04,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:12:04,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:12:04,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:12:04,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:12:04,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:12:04,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:12:04,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:12:04,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:12:04,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:12:04,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:12:04,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:12:04,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:12:04,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:12:04,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:12:04,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:12:04,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:12:04,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:12:04,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:12:04,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:12:04,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:12:04,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:12:04,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:12:04,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:12:04,813 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 22:12:04,831 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:12:04,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:12:04,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:12:04,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:12:04,833 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:12:04,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:12:04,834 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:12:04,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:12:04,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:12:04,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:12:04,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:12:04,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:12:04,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:12:04,835 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:12:04,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:12:04,835 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:12:04,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:12:04,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:12:04,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:12:04,836 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:12:04,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:12:04,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:12:04,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:12:04,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:12:04,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:12:04,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:12:04,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:12:04,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:12:04,838 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 22:12:05,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:12:05,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:12:05,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:12:05,118 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:12:05,118 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:12:05,119 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2019-10-13 22:12:05,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85bc0fe2c/726fff28d0bc418ebd51218fcf4dfba7/FLAG114800971 [2019-10-13 22:12:06,047 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:12:06,048 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2019-10-13 22:12:06,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85bc0fe2c/726fff28d0bc418ebd51218fcf4dfba7/FLAG114800971 [2019-10-13 22:12:06,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85bc0fe2c/726fff28d0bc418ebd51218fcf4dfba7 [2019-10-13 22:12:06,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:12:06,570 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:12:06,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:12:06,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:12:06,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:12:06,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:12:06" (1/1) ... [2019-10-13 22:12:06,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b07eb80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:12:06, skipping insertion in model container [2019-10-13 22:12:06,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:12:06" (1/1) ... [2019-10-13 22:12:06,590 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:12:06,710 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:12:08,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:12:08,502 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:12:08,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:12:09,191 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:12:09,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:12:09 WrapperNode [2019-10-13 22:12:09,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:12:09,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:12:09,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:12:09,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:12:09,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:12:09" (1/1) ... [2019-10-13 22:12:09,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:12:09" (1/1) ... [2019-10-13 22:12:09,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:12:09" (1/1) ... [2019-10-13 22:12:09,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:12:09" (1/1) ... [2019-10-13 22:12:09,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:12:09" (1/1) ... [2019-10-13 22:12:09,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:12:09" (1/1) ... [2019-10-13 22:12:09,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:12:09" (1/1) ... [2019-10-13 22:12:09,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:12:09,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:12:09,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:12:09,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:12:09,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:12:09" (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 22:12:09,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:12:09,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:12:09,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-13 22:12:09,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:12:09,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:12:09,544 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 22:12:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-13 22:12:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-13 22:12:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-13 22:12:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 22:12:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 22:12:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 22:12:09,546 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-13 22:12:09,546 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2019-10-13 22:12:09,546 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2019-10-13 22:12:09,546 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_write_access [2019-10-13 22:12:09,546 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-13 22:12:09,547 INFO L138 BoogieDeclarations]: Found implementation of procedure insert_binfmt [2019-10-13 22:12:09,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:12:09,550 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:12:09,550 INFO L138 BoogieDeclarations]: Found implementation of procedure string_unescape_inplace [2019-10-13 22:12:09,550 INFO L138 BoogieDeclarations]: Found implementation of procedure check_file [2019-10-13 22:12:09,550 INFO L138 BoogieDeclarations]: Found implementation of procedure load_misc_binary [2019-10-13 22:12:09,550 INFO L138 BoogieDeclarations]: Found implementation of procedure scanarg [2019-10-13 22:12:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure check_special_flags [2019-10-13 22:12:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure create_entry [2019-10-13 22:12:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_command [2019-10-13 22:12:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_status [2019-10-13 22:12:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_get_inode [2019-10-13 22:12:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_evict_inode [2019-10-13 22:12:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_node [2019-10-13 22:12:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_read [2019-10-13 22:12:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_write [2019-10-13 22:12:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_register_write [2019-10-13 22:12:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_read [2019-10-13 22:12:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_write [2019-10-13 22:12:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_fill_super [2019-10-13 22:12:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_mount [2019-10-13 22:12:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure init_misc_binfmt [2019-10-13 22:12:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_misc_binfmt [2019-10-13 22:12:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2019-10-13 22:12:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_init_misc_binfmt_7_11 [2019-10-13 22:12:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-10-13 22:12:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_5_1 [2019-10-13 22:12:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_5_7_4 [2019-10-13 22:12:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_file_operations_instance_1_7_5 [2019-10-13 22:12:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_6_2 [2019-10-13 22:12:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_5_7_6 [2019-10-13 22:12:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_file_operations_instance_1_7_7 [2019-10-13 22:12:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-13 22:12:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_7 [2019-10-13 22:12:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_8 [2019-10-13 22:12:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-13 22:12:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_7 [2019-10-13 22:12:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_7 [2019-10-13 22:12:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:12:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_0 [2019-10-13 22:12:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_1 [2019-10-13 22:12:09,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_2 [2019-10-13 22:12:09,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_22 [2019-10-13 22:12:09,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_5 [2019-10-13 22:12:09,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_1_22 [2019-10-13 22:12:09,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_1_5 [2019-10-13 22:12:09,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_2_22 [2019-10-13 22:12:09,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_2_5 [2019-10-13 22:12:09,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_0_12 [2019-10-13 22:12:09,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_1_12 [2019-10-13 22:12:09,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_2_12 [2019-10-13 22:12:09,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_0_4 [2019-10-13 22:12:09,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_1_4 [2019-10-13 22:12:09,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_2_4 [2019-10-13 22:12:09,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-10-13 22:12:09,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_filesystem [2019-10-13 22:12:09,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_linux_binfmt_dummy_resourceless_instance_3 [2019-10-13 22:12:09,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_super_operations_dummy_resourceless_instance_4 [2019-10-13 22:12:09,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-10-13 22:12:09,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-10-13 22:12:09,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2019-10-13 22:12:09,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_15 [2019-10-13 22:12:09,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2019-10-13 22:12:09,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_15 [2019-10-13 22:12:09,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2019-10-13 22:12:09,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_15 [2019-10-13 22:12:09,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2019-10-13 22:12:09,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-10-13 22:12:09,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_5 [2019-10-13 22:12:09,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-10-13 22:12:09,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_5 [2019-10-13 22:12:09,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_filesystem [2019-10-13 22:12:09,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-13 22:12:09,568 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 22:12:09,568 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 22:12:09,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2019-10-13 22:12:09,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-13 22:12:09,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-10-13 22:12:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-13 22:12:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-13 22:12:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-10-13 22:12:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_filesystem_19 [2019-10-13 22:12:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_filesystem_20 [2019-10-13 22:12:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-13 22:12:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-13 22:12:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-13 22:12:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:12:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 22:12:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 22:12:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 22:12:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-13 22:12:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-13 22:12:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-13 22:12:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-13 22:12:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-13 22:12:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-13 22:12:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:12:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:12:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 22:12:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:12:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-13 22:12:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:12:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-13 22:12:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-13 22:12:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-13 22:12:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-13 22:12:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-13 22:12:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-13 22:12:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-13 22:12:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:12:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:12:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:12:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-13 22:12:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-13 22:12:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-13 22:12:09,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-13 22:12:09,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-13 22:12:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-13 22:12:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 22:12:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2019-10-13 22:12:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 22:12:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 22:12:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 22:12:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 22:12:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 22:12:09,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock [2019-10-13 22:12:09,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 22:12:09,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 22:12:09,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:12:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 22:12:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:12:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_device [2019-10-13 22:12:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:12:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:12:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:12:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:12:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:12:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:12:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2019-10-13 22:12:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2019-10-13 22:12:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2019-10-13 22:12:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2019-10-13 22:12:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-13 22:12:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-10-13 22:12:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 22:12:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-13 22:12:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_binfmt [2019-10-13 22:12:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-13 22:12:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-10-13 22:12:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-10-13 22:12:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2019-10-13 22:12:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2019-10-13 22:12:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bprm_change_interp [2019-10-13 22:12:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_inode [2019-10-13 22:12:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_strings_kernel [2019-10-13 22:12:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure current_fs_time [2019-10-13 22:12:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2019-10-13 22:12:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2019-10-13 22:12:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2019-10-13 22:12:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2019-10-13 22:12:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_nlink [2019-10-13 22:12:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-13 22:12:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2019-10-13 22:12:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-13 22:12:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2019-10-13 22:12:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_ino [2019-10-13 22:12:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2019-10-13 22:12:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure iput [2019-10-13 22:12:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_read [2019-10-13 22:12:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_litter_super [2019-10-13 22:12:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-13 22:12:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-13 22:12:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-13 22:12:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure lockref_get [2019-10-13 22:12:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup_one_len [2019-10-13 22:12:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-13 22:12:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure mount_single [2019-10-13 22:12:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure new_inode [2019-10-13 22:12:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-13 22:12:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure open_exec [2019-10-13 22:12:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_binprm [2019-10-13 22:12:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure register_filesystem [2019-10-13 22:12:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_arg_zero [2019-10-13 22:12:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure search_binary_handler [2019-10-13 22:12:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_fill_super [2019-10-13 22:12:09,597 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_pin_fs [2019-10-13 22:12:09,597 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2019-10-13 22:12:09,597 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_release_fs [2019-10-13 22:12:09,597 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2019-10-13 22:12:09,598 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2019-10-13 22:12:09,598 INFO L138 BoogieDeclarations]: Found implementation of procedure string_unescape [2019-10-13 22:12:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-13 22:12:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_close [2019-10-13 22:12:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_binfmt [2019-10-13 22:12:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_filesystem [2019-10-13 22:12:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure would_dump [2019-10-13 22:12:09,600 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:12:09,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:12:09,600 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:12:09,600 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:12:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:12:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:12:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 22:12:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 22:12:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2019-10-13 22:12:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-10-13 22:12:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-13 22:12:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 22:12:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 22:12:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:12:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-13 22:12:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-13 22:12:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:12:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-13 22:12:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:12:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:12:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-13 22:12:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-13 22:12:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-13 22:12:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 22:12:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:12:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 22:12:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-13 22:12:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:12:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-13 22:12:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-13 22:12:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-13 22:12:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 22:12:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 22:12:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 22:12:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:12:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-13 22:12:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2019-10-13 22:12:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 22:12:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-13 22:12:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 22:12:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 22:12:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:12:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-13 22:12:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-13 22:12:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-13 22:12:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2019-10-13 22:12:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-10-13 22:12:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-13 22:12:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-13 22:12:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-13 22:12:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-10-13 22:12:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-10-13 22:12:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2019-10-13 22:12:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-10-13 22:12:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2019-10-13 22:12:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure lockref_get [2019-10-13 22:12:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2019-10-13 22:12:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2019-10-13 22:12:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2019-10-13 22:12:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2019-10-13 22:12:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure current_fs_time [2019-10-13 22:12:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure drop_nlink [2019-10-13 22:12:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure mount_single [2019-10-13 22:12:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure kill_litter_super [2019-10-13 22:12:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure register_filesystem [2019-10-13 22:12:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_filesystem_19 [2019-10-13 22:12:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_filesystem [2019-10-13 22:12:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_filesystem_20 [2019-10-13 22:12:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure iput [2019-10-13 22:12:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2019-10-13 22:12:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure allow_write_access [2019-10-13 22:12:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_read [2019-10-13 22:12:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure open_exec [2019-10-13 22:12:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2019-10-13 22:12:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_ino [2019-10-13 22:12:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure clear_inode [2019-10-13 22:12:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure new_inode [2019-10-13 22:12:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-13 22:12:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2019-10-13 22:12:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure simple_fill_super [2019-10-13 22:12:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure simple_pin_fs [2019-10-13 22:12:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure simple_release_fs [2019-10-13 22:12:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2019-10-13 22:12:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-10-13 22:12:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2019-10-13 22:12:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-13 22:12:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-13 22:12:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-13 22:12:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure __register_binfmt [2019-10-13 22:12:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure insert_binfmt [2019-10-13 22:12:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_binfmt [2019-10-13 22:12:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_binprm [2019-10-13 22:12:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure remove_arg_zero [2019-10-13 22:12:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure search_binary_handler [2019-10-13 22:12:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure would_dump [2019-10-13 22:12:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure bprm_change_interp [2019-10-13 22:12:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure copy_strings_kernel [2019-10-13 22:12:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:12:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:12:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:12:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:12:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure string_unescape [2019-10-13 22:12:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure string_unescape_inplace [2019-10-13 22:12:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-13 22:12:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2019-10-13 22:12:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2019-10-13 22:12:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure lookup_one_len [2019-10-13 22:12:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure sys_close [2019-10-13 22:12:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:12:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure check_file [2019-10-13 22:12:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure load_misc_binary [2019-10-13 22:12:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:12:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:12:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:12:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure scanarg [2019-10-13 22:12:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure check_special_flags [2019-10-13 22:12:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure create_entry [2019-10-13 22:12:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure parse_command [2019-10-13 22:12:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure entry_status [2019-10-13 22:12:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure bm_get_inode [2019-10-13 22:12:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure bm_evict_inode [2019-10-13 22:12:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure kill_node [2019-10-13 22:12:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_read [2019-10-13 22:12:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_write [2019-10-13 22:12:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure bm_register_write [2019-10-13 22:12:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_read [2019-10-13 22:12:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_write [2019-10-13 22:12:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure bm_fill_super [2019-10-13 22:12:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure bm_mount [2019-10-13 22:12:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure init_misc_binfmt [2019-10-13 22:12:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure exit_misc_binfmt [2019-10-13 22:12:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2019-10-13 22:12:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_init_misc_binfmt_7_11 [2019-10-13 22:12:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-10-13 22:12:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_5_1 [2019-10-13 22:12:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_5_7_4 [2019-10-13 22:12:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_file_operations_instance_1_7_5 [2019-10-13 22:12:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_6_2 [2019-10-13 22:12:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_5_7_6 [2019-10-13 22:12:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_file_operations_instance_1_7_7 [2019-10-13 22:12:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-13 22:12:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_7 [2019-10-13 22:12:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_8 [2019-10-13 22:12:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-13 22:12:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_7 [2019-10-13 22:12:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_7 [2019-10-13 22:12:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:12:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_0 [2019-10-13 22:12:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_1 [2019-10-13 22:12:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_2 [2019-10-13 22:12:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_22 [2019-10-13 22:12:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_5 [2019-10-13 22:12:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_1_22 [2019-10-13 22:12:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_1_5 [2019-10-13 22:12:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_2_22 [2019-10-13 22:12:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_2_5 [2019-10-13 22:12:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_0_12 [2019-10-13 22:12:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_1_12 [2019-10-13 22:12:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_2_12 [2019-10-13 22:12:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_0_4 [2019-10-13 22:12:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_1_4 [2019-10-13 22:12:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_2_4 [2019-10-13 22:12:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-10-13 22:12:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_filesystem [2019-10-13 22:12:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_linux_binfmt_dummy_resourceless_instance_3 [2019-10-13 22:12:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_super_operations_dummy_resourceless_instance_4 [2019-10-13 22:12:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-10-13 22:12:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-10-13 22:12:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2019-10-13 22:12:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_15 [2019-10-13 22:12:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2019-10-13 22:12:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_15 [2019-10-13 22:12:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2019-10-13 22:12:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_15 [2019-10-13 22:12:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2019-10-13 22:12:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-10-13 22:12:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_5 [2019-10-13 22:12:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-10-13 22:12:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_5 [2019-10-13 22:12:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_filesystem [2019-10-13 22:12:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-13 22:12:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:12:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-13 22:12:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-13 22:12:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-13 22:12:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:12:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-13 22:12:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 22:12:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-13 22:12:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-13 22:12:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-13 22:12:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-13 22:12:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-13 22:12:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-13 22:12:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 22:12:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-13 22:12:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-13 22:12:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-13 22:12:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-13 22:12:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-13 22:12:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:12:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:12:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:12:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:12:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:12:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:12:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:12:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-13 22:12:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-13 22:12:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:12:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:12:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:12:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-13 22:12:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-13 22:12:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-13 22:12:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-13 22:12:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:12:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2019-10-13 22:12:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2019-10-13 22:12:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2019-10-13 22:12:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2019-10-13 22:12:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2019-10-13 22:12:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 22:12:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 22:12:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 22:12:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 22:12:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock [2019-10-13 22:12:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 22:12:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 22:12:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:12:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 22:12:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:12:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_device [2019-10-13 22:12:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:12:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:12:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:12:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:12:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:12:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:12:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:12:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 22:12:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 22:12:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:12:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:12:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:12:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:12:10,526 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:12:13,596 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-10-13 22:12:15,895 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:12:15,895 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:12:15,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:12:15 BoogieIcfgContainer [2019-10-13 22:12:15,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:12:15,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:12:15,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:12:15,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:12:15,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:12:06" (1/3) ... [2019-10-13 22:12:15,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd329e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:12:15, skipping insertion in model container [2019-10-13 22:12:15,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:12:09" (2/3) ... [2019-10-13 22:12:15,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd329e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:12:15, skipping insertion in model container [2019-10-13 22:12:15,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:12:15" (3/3) ... [2019-10-13 22:12:15,904 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2019-10-13 22:12:15,913 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:12:15,921 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-13 22:12:15,931 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-13 22:12:15,969 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:12:15,969 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:12:15,969 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:12:15,969 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:12:15,970 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:12:15,970 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:12:15,970 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:12:15,970 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:12:16,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states. [2019-10-13 22:12:16,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-10-13 22:12:16,042 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:12:16,043 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:12:16,045 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:12:16,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:12:16,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1506239325, now seen corresponding path program 1 times [2019-10-13 22:12:16,060 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:12:16,061 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10661836] [2019-10-13 22:12:16,061 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:12:16,061 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:12:16,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:12:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:12:16,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2019-10-13 22:12:16,896 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10661836] [2019-10-13 22:12:16,898 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:12:16,898 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:12:16,898 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044809380] [2019-10-13 22:12:16,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:12:16,906 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:12:16,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:12:16,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:12:16,923 INFO L87 Difference]: Start difference. First operand 1345 states. Second operand 3 states. [2019-10-13 22:12:17,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:12:17,300 INFO L93 Difference]: Finished difference Result 3309 states and 4385 transitions. [2019-10-13 22:12:17,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:12:17,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2019-10-13 22:12:17,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:12:17,340 INFO L225 Difference]: With dead ends: 3309 [2019-10-13 22:12:17,340 INFO L226 Difference]: Without dead ends: 2162 [2019-10-13 22:12:17,355 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 22:12:17,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2162 states. [2019-10-13 22:12:17,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2162 to 2149. [2019-10-13 22:12:17,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2149 states. [2019-10-13 22:12:17,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 2805 transitions. [2019-10-13 22:12:17,642 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 2805 transitions. Word has length 214 [2019-10-13 22:12:17,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:12:17,644 INFO L462 AbstractCegarLoop]: Abstraction has 2149 states and 2805 transitions. [2019-10-13 22:12:17,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:12:17,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2805 transitions. [2019-10-13 22:12:17,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-10-13 22:12:17,654 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:12:17,654 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 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] [2019-10-13 22:12:17,655 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:12:17,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:12:17,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1043806871, now seen corresponding path program 1 times [2019-10-13 22:12:17,656 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:12:17,656 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134454270] [2019-10-13 22:12:17,656 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:12:17,656 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:12:17,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:12:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:12:18,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1503 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2019-10-13 22:12:18,167 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134454270] [2019-10-13 22:12:18,167 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:12:18,168 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:12:18,168 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66655819] [2019-10-13 22:12:18,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:12:18,172 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:12:18,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:12:18,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:12:18,173 INFO L87 Difference]: Start difference. First operand 2149 states and 2805 transitions. Second operand 3 states. [2019-10-13 22:12:18,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:12:18,372 INFO L93 Difference]: Finished difference Result 3192 states and 4151 transitions. [2019-10-13 22:12:18,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:12:18,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2019-10-13 22:12:18,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:12:18,398 INFO L225 Difference]: With dead ends: 3192 [2019-10-13 22:12:18,398 INFO L226 Difference]: Without dead ends: 3148 [2019-10-13 22:12:18,401 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 22:12:18,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2019-10-13 22:12:18,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3135. [2019-10-13 22:12:18,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3135 states. [2019-10-13 22:12:18,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 3135 states and 4091 transitions. [2019-10-13 22:12:18,601 INFO L78 Accepts]: Start accepts. Automaton has 3135 states and 4091 transitions. Word has length 240 [2019-10-13 22:12:18,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:12:18,605 INFO L462 AbstractCegarLoop]: Abstraction has 3135 states and 4091 transitions. [2019-10-13 22:12:18,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:12:18,605 INFO L276 IsEmpty]: Start isEmpty. Operand 3135 states and 4091 transitions. [2019-10-13 22:12:18,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-10-13 22:12:18,618 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:12:18,619 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 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] [2019-10-13 22:12:18,620 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:12:18,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:12:18,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1608121765, now seen corresponding path program 1 times [2019-10-13 22:12:18,621 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:12:18,621 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371756697] [2019-10-13 22:12:18,622 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:12:18,622 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:12:18,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:12:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:12:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1503 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2019-10-13 22:12:19,038 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371756697] [2019-10-13 22:12:19,039 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:12:19,039 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:12:19,039 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932855143] [2019-10-13 22:12:19,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:12:19,040 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:12:19,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:12:19,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:12:19,041 INFO L87 Difference]: Start difference. First operand 3135 states and 4091 transitions. Second operand 3 states. [2019-10-13 22:12:19,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:12:19,278 INFO L93 Difference]: Finished difference Result 4150 states and 5411 transitions. [2019-10-13 22:12:19,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:12:19,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2019-10-13 22:12:19,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:12:19,303 INFO L225 Difference]: With dead ends: 4150 [2019-10-13 22:12:19,303 INFO L226 Difference]: Without dead ends: 4106 [2019-10-13 22:12:19,307 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 22:12:19,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4106 states. [2019-10-13 22:12:19,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4106 to 4093. [2019-10-13 22:12:19,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4093 states. [2019-10-13 22:12:19,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4093 states to 4093 states and 5351 transitions. [2019-10-13 22:12:19,517 INFO L78 Accepts]: Start accepts. Automaton has 4093 states and 5351 transitions. Word has length 241 [2019-10-13 22:12:19,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:12:19,518 INFO L462 AbstractCegarLoop]: Abstraction has 4093 states and 5351 transitions. [2019-10-13 22:12:19,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:12:19,519 INFO L276 IsEmpty]: Start isEmpty. Operand 4093 states and 5351 transitions. [2019-10-13 22:12:19,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2019-10-13 22:12:19,529 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:12:19,529 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:12:19,529 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:12:19,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:12:19,530 INFO L82 PathProgramCache]: Analyzing trace with hash -978756628, now seen corresponding path program 1 times [2019-10-13 22:12:19,530 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:12:19,530 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417807282] [2019-10-13 22:12:19,531 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:12:19,531 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:12:19,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:12:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:12:19,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1517 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1511 trivial. 0 not checked. [2019-10-13 22:12:19,811 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417807282] [2019-10-13 22:12:19,811 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:12:19,812 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:12:19,812 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180047754] [2019-10-13 22:12:19,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:12:19,813 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:12:19,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:12:19,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:12:19,813 INFO L87 Difference]: Start difference. First operand 4093 states and 5351 transitions. Second operand 5 states. [2019-10-13 22:12:28,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:12:28,281 INFO L93 Difference]: Finished difference Result 9086 states and 11884 transitions. [2019-10-13 22:12:28,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:12:28,282 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 263 [2019-10-13 22:12:28,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:12:28,312 INFO L225 Difference]: With dead ends: 9086 [2019-10-13 22:12:28,312 INFO L226 Difference]: Without dead ends: 5061 [2019-10-13 22:12:28,325 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:12:28,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5061 states. [2019-10-13 22:12:28,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5061 to 5055. [2019-10-13 22:12:28,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5055 states. [2019-10-13 22:12:28,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5055 states to 5055 states and 6612 transitions. [2019-10-13 22:12:28,594 INFO L78 Accepts]: Start accepts. Automaton has 5055 states and 6612 transitions. Word has length 263 [2019-10-13 22:12:28,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:12:28,595 INFO L462 AbstractCegarLoop]: Abstraction has 5055 states and 6612 transitions. [2019-10-13 22:12:28,595 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:12:28,595 INFO L276 IsEmpty]: Start isEmpty. Operand 5055 states and 6612 transitions. [2019-10-13 22:12:28,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-10-13 22:12:28,614 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:12:28,614 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:12:28,615 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:12:28,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:12:28,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1553345140, now seen corresponding path program 1 times [2019-10-13 22:12:28,616 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:12:28,616 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794091246] [2019-10-13 22:12:28,617 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:12:28,617 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:12:28,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:12:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:12:29,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1522 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1515 trivial. 0 not checked. [2019-10-13 22:12:29,019 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794091246] [2019-10-13 22:12:29,019 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:12:29,019 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:12:29,020 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187469229] [2019-10-13 22:12:29,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:12:29,022 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:12:29,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:12:29,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:12:29,023 INFO L87 Difference]: Start difference. First operand 5055 states and 6612 transitions. Second operand 5 states. [2019-10-13 22:12:37,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:12:37,705 INFO L93 Difference]: Finished difference Result 10056 states and 13144 transitions. [2019-10-13 22:12:37,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:12:37,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 265 [2019-10-13 22:12:37,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:12:37,735 INFO L225 Difference]: With dead ends: 10056 [2019-10-13 22:12:37,735 INFO L226 Difference]: Without dead ends: 5069 [2019-10-13 22:12:37,752 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:12:37,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5069 states. [2019-10-13 22:12:37,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5069 to 5063. [2019-10-13 22:12:37,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5063 states. [2019-10-13 22:12:37,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5063 states to 5063 states and 6612 transitions. [2019-10-13 22:12:37,985 INFO L78 Accepts]: Start accepts. Automaton has 5063 states and 6612 transitions. Word has length 265 [2019-10-13 22:12:37,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:12:37,989 INFO L462 AbstractCegarLoop]: Abstraction has 5063 states and 6612 transitions. [2019-10-13 22:12:37,989 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:12:37,989 INFO L276 IsEmpty]: Start isEmpty. Operand 5063 states and 6612 transitions. [2019-10-13 22:12:38,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-10-13 22:12:38,008 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:12:38,009 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:12:38,009 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:12:38,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:12:38,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1456774263, now seen corresponding path program 1 times [2019-10-13 22:12:38,011 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:12:38,012 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482782851] [2019-10-13 22:12:38,012 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:12:38,012 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:12:38,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:12:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:12:38,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1527 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1527 trivial. 0 not checked. [2019-10-13 22:12:38,382 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482782851] [2019-10-13 22:12:38,383 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:12:38,383 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:12:38,383 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854223879] [2019-10-13 22:12:38,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:12:38,384 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:12:38,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:12:38,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:12:38,385 INFO L87 Difference]: Start difference. First operand 5063 states and 6612 transitions. Second operand 3 states. [2019-10-13 22:12:38,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:12:38,717 INFO L93 Difference]: Finished difference Result 11645 states and 15106 transitions. [2019-10-13 22:12:38,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:12:38,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 277 [2019-10-13 22:12:38,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:12:38,756 INFO L225 Difference]: With dead ends: 11645 [2019-10-13 22:12:38,756 INFO L226 Difference]: Without dead ends: 6650 [2019-10-13 22:12:38,776 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 22:12:38,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6650 states. [2019-10-13 22:12:39,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6650 to 6619. [2019-10-13 22:12:39,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6619 states. [2019-10-13 22:12:39,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6619 states to 6619 states and 8498 transitions. [2019-10-13 22:12:39,113 INFO L78 Accepts]: Start accepts. Automaton has 6619 states and 8498 transitions. Word has length 277 [2019-10-13 22:12:39,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:12:39,113 INFO L462 AbstractCegarLoop]: Abstraction has 6619 states and 8498 transitions. [2019-10-13 22:12:39,114 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:12:39,114 INFO L276 IsEmpty]: Start isEmpty. Operand 6619 states and 8498 transitions. [2019-10-13 22:12:39,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-10-13 22:12:39,125 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:12:39,126 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:12:39,126 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:12:39,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:12:39,127 INFO L82 PathProgramCache]: Analyzing trace with hash 501368555, now seen corresponding path program 1 times [2019-10-13 22:12:39,127 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:12:39,127 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332337869] [2019-10-13 22:12:39,127 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:12:39,127 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:12:39,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:12:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:12:39,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1539 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2019-10-13 22:12:39,406 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332337869] [2019-10-13 22:12:39,406 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:12:39,406 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:12:39,407 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381249247] [2019-10-13 22:12:39,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:12:39,408 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:12:39,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:12:39,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:12:39,409 INFO L87 Difference]: Start difference. First operand 6619 states and 8498 transitions. Second operand 3 states. [2019-10-13 22:12:40,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:12:40,071 INFO L93 Difference]: Finished difference Result 17593 states and 22535 transitions. [2019-10-13 22:12:40,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:12:40,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 277 [2019-10-13 22:12:40,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:12:40,121 INFO L225 Difference]: With dead ends: 17593 [2019-10-13 22:12:40,121 INFO L226 Difference]: Without dead ends: 11042 [2019-10-13 22:12:40,143 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 22:12:40,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11042 states.