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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -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 0.1.24-13a467a-m [2019-10-15 00:25:18,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:25:18,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:25:18,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:25:18,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:25:18,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:25:18,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:25:18,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:25:19,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:25:19,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:25:19,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:25:19,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:25:19,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:25:19,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:25:19,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:25:19,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:25:19,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:25:19,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:25:19,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:25:19,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:25:19,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:25:19,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:25:19,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:25:19,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:25:19,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:25:19,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:25:19,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:25:19,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:25:19,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:25:19,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:25:19,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:25:19,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:25:19,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:25:19,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:25:19,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:25:19,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:25:19,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:25:19,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:25:19,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:25:19,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:25:19,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:25:19,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 00:25:19,045 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:25:19,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:25:19,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:25:19,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:25:19,048 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:25:19,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:25:19,048 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:25:19,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:25:19,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:25:19,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:25:19,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:25:19,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:25:19,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:25:19,051 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:25:19,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:25:19,053 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:25:19,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:25:19,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:25:19,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:25:19,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:25:19,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:25:19,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:25:19,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:25:19,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:25:19,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:25:19,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:25:19,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:25:19,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:25:19,057 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:25:19,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:25:19,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:25:19,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:25:19,341 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:25:19,342 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:25:19,342 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2019-10-15 00:25:19,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed7fc7443/3b94b8e08e1b4eeeaf190b61e50d7401/FLAG957ab3470 [2019-10-15 00:25:20,192 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:25:20,193 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2019-10-15 00:25:20,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed7fc7443/3b94b8e08e1b4eeeaf190b61e50d7401/FLAG957ab3470 [2019-10-15 00:25:20,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed7fc7443/3b94b8e08e1b4eeeaf190b61e50d7401 [2019-10-15 00:25:20,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:25:20,273 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:25:20,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:25:20,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:25:20,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:25:20,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:25:20" (1/1) ... [2019-10-15 00:25:20,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@134a26f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:25:20, skipping insertion in model container [2019-10-15 00:25:20,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:25:20" (1/1) ... [2019-10-15 00:25:20,292 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:25:20,444 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:25:22,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:25:22,294 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:25:22,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:25:23,088 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:25:23,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:25:23 WrapperNode [2019-10-15 00:25:23,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:25:23,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:25:23,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:25:23,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:25:23,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:25:23" (1/1) ... [2019-10-15 00:25:23,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:25:23" (1/1) ... [2019-10-15 00:25:23,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:25:23" (1/1) ... [2019-10-15 00:25:23,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:25:23" (1/1) ... [2019-10-15 00:25:23,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:25:23" (1/1) ... [2019-10-15 00:25:23,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:25:23" (1/1) ... [2019-10-15 00:25:23,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:25:23" (1/1) ... [2019-10-15 00:25:23,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:25:23,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:25:23,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:25:23,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:25:23,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:25:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:25:23,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:25:23,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:25:23,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-15 00:25:23,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:25:23,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 00:25:23,506 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 00:25:23,507 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-15 00:25:23,507 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-15 00:25:23,507 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-15 00:25:23,507 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 00:25:23,508 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-15 00:25:23,508 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 00:25:23,508 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-15 00:25:23,508 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2019-10-15 00:25:23,508 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2019-10-15 00:25:23,509 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_write_access [2019-10-15 00:25:23,509 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-15 00:25:23,509 INFO L138 BoogieDeclarations]: Found implementation of procedure insert_binfmt [2019-10-15 00:25:23,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 00:25:23,511 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 00:25:23,511 INFO L138 BoogieDeclarations]: Found implementation of procedure string_unescape_inplace [2019-10-15 00:25:23,512 INFO L138 BoogieDeclarations]: Found implementation of procedure check_file [2019-10-15 00:25:23,512 INFO L138 BoogieDeclarations]: Found implementation of procedure load_misc_binary [2019-10-15 00:25:23,512 INFO L138 BoogieDeclarations]: Found implementation of procedure scanarg [2019-10-15 00:25:23,512 INFO L138 BoogieDeclarations]: Found implementation of procedure check_special_flags [2019-10-15 00:25:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure create_entry [2019-10-15 00:25:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_command [2019-10-15 00:25:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_status [2019-10-15 00:25:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_get_inode [2019-10-15 00:25:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_evict_inode [2019-10-15 00:25:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_node [2019-10-15 00:25:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_read [2019-10-15 00:25:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_write [2019-10-15 00:25:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_register_write [2019-10-15 00:25:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_read [2019-10-15 00:25:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_write [2019-10-15 00:25:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_fill_super [2019-10-15 00:25:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_mount [2019-10-15 00:25:23,517 INFO L138 BoogieDeclarations]: Found implementation of procedure init_misc_binfmt [2019-10-15 00:25:23,517 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_misc_binfmt [2019-10-15 00:25:23,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2019-10-15 00:25:23,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_init_misc_binfmt_7_11 [2019-10-15 00:25:23,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-10-15 00:25:23,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_5_1 [2019-10-15 00:25:23,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_5_7_4 [2019-10-15 00:25:23,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_file_operations_instance_1_7_5 [2019-10-15 00:25:23,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_6_2 [2019-10-15 00:25:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_5_7_6 [2019-10-15 00:25:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_file_operations_instance_1_7_7 [2019-10-15 00:25:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-15 00:25:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_7 [2019-10-15 00:25:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_8 [2019-10-15 00:25:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-15 00:25:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_7 [2019-10-15 00:25:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_7 [2019-10-15 00:25:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:25:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_0 [2019-10-15 00:25:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_1 [2019-10-15 00:25:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_2 [2019-10-15 00:25:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_22 [2019-10-15 00:25:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_5 [2019-10-15 00:25:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_1_22 [2019-10-15 00:25:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_1_5 [2019-10-15 00:25:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_2_22 [2019-10-15 00:25:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_2_5 [2019-10-15 00:25:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_0_12 [2019-10-15 00:25:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_1_12 [2019-10-15 00:25:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_2_12 [2019-10-15 00:25:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_0_4 [2019-10-15 00:25:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_1_4 [2019-10-15 00:25:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_2_4 [2019-10-15 00:25:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-10-15 00:25:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_filesystem [2019-10-15 00:25:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_linux_binfmt_dummy_resourceless_instance_3 [2019-10-15 00:25:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_super_operations_dummy_resourceless_instance_4 [2019-10-15 00:25:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-10-15 00:25:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-10-15 00:25:23,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2019-10-15 00:25:23,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_15 [2019-10-15 00:25:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2019-10-15 00:25:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_15 [2019-10-15 00:25:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2019-10-15 00:25:23,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_15 [2019-10-15 00:25:23,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2019-10-15 00:25:23,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-10-15 00:25:23,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_5 [2019-10-15 00:25:23,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-10-15 00:25:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_5 [2019-10-15 00:25:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_filesystem [2019-10-15 00:25:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-15 00:25:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-15 00:25:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-15 00:25:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2019-10-15 00:25:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-15 00:25:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-10-15 00:25:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-15 00:25:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-15 00:25:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-10-15 00:25:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_filesystem_19 [2019-10-15 00:25:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_filesystem_20 [2019-10-15 00:25:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-15 00:25:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-15 00:25:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-15 00:25:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:25:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 00:25:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 00:25:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 00:25:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-15 00:25:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-15 00:25:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-15 00:25:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-15 00:25:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-15 00:25:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-15 00:25:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 00:25:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:25:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 00:25:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:25:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-15 00:25:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 00:25:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-15 00:25:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-15 00:25:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-15 00:25:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-15 00:25:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-15 00:25:23,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-15 00:25:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-15 00:25:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 00:25:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 00:25:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 00:25:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-15 00:25:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-15 00:25:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-15 00:25:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-15 00:25:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-15 00:25:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-15 00:25:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-15 00:25:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2019-10-15 00:25:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-15 00:25:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-15 00:25:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-15 00:25:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-15 00:25:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 00:25:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock [2019-10-15 00:25:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 00:25:23,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 00:25:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:25:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 00:25:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:25:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_device [2019-10-15 00:25:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:25:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:25:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:25:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:25:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:25:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:25:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2019-10-15 00:25:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2019-10-15 00:25:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2019-10-15 00:25:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2019-10-15 00:25:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-15 00:25:23,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-10-15 00:25:23,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 00:25:23,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-15 00:25:23,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_binfmt [2019-10-15 00:25:23,557 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-15 00:25:23,557 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-10-15 00:25:23,557 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-10-15 00:25:23,557 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2019-10-15 00:25:23,557 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2019-10-15 00:25:23,557 INFO L138 BoogieDeclarations]: Found implementation of procedure bprm_change_interp [2019-10-15 00:25:23,558 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_inode [2019-10-15 00:25:23,558 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_strings_kernel [2019-10-15 00:25:23,558 INFO L138 BoogieDeclarations]: Found implementation of procedure current_fs_time [2019-10-15 00:25:23,558 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2019-10-15 00:25:23,558 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2019-10-15 00:25:23,558 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2019-10-15 00:25:23,558 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2019-10-15 00:25:23,558 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_nlink [2019-10-15 00:25:23,559 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-15 00:25:23,559 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2019-10-15 00:25:23,559 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-15 00:25:23,559 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2019-10-15 00:25:23,559 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_ino [2019-10-15 00:25:23,559 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2019-10-15 00:25:23,559 INFO L138 BoogieDeclarations]: Found implementation of procedure iput [2019-10-15 00:25:23,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_read [2019-10-15 00:25:23,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_litter_super [2019-10-15 00:25:23,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-15 00:25:23,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-15 00:25:23,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-15 00:25:23,560 INFO L138 BoogieDeclarations]: Found implementation of procedure lockref_get [2019-10-15 00:25:23,560 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup_one_len [2019-10-15 00:25:23,560 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-15 00:25:23,561 INFO L138 BoogieDeclarations]: Found implementation of procedure mount_single [2019-10-15 00:25:23,561 INFO L138 BoogieDeclarations]: Found implementation of procedure new_inode [2019-10-15 00:25:23,561 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-15 00:25:23,561 INFO L138 BoogieDeclarations]: Found implementation of procedure open_exec [2019-10-15 00:25:23,561 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_binprm [2019-10-15 00:25:23,561 INFO L138 BoogieDeclarations]: Found implementation of procedure register_filesystem [2019-10-15 00:25:23,561 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_arg_zero [2019-10-15 00:25:23,562 INFO L138 BoogieDeclarations]: Found implementation of procedure search_binary_handler [2019-10-15 00:25:23,562 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_fill_super [2019-10-15 00:25:23,562 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_pin_fs [2019-10-15 00:25:23,562 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2019-10-15 00:25:23,563 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_release_fs [2019-10-15 00:25:23,563 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2019-10-15 00:25:23,563 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2019-10-15 00:25:23,563 INFO L138 BoogieDeclarations]: Found implementation of procedure string_unescape [2019-10-15 00:25:23,564 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-15 00:25:23,565 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_close [2019-10-15 00:25:23,565 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_binfmt [2019-10-15 00:25:23,565 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_filesystem [2019-10-15 00:25:23,565 INFO L138 BoogieDeclarations]: Found implementation of procedure would_dump [2019-10-15 00:25:23,565 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:25:23,565 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:25:23,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 00:25:23,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 00:25:23,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:25:23,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:25:23,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 00:25:23,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 00:25:23,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2019-10-15 00:25:23,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-10-15 00:25:23,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-15 00:25:23,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-15 00:25:23,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-15 00:25:23,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:25:23,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-15 00:25:23,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-15 00:25:23,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:25:23,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-15 00:25:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 00:25:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 00:25:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-15 00:25:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-15 00:25:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-15 00:25:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 00:25:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:25:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 00:25:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-15 00:25:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:25:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-15 00:25:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-15 00:25:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-15 00:25:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 00:25:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-15 00:25:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 00:25:23,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:25:23,570 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-15 00:25:23,570 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2019-10-15 00:25:23,570 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-15 00:25:23,570 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-15 00:25:23,570 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-15 00:25:23,570 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-15 00:25:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 00:25:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-15 00:25:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-15 00:25:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-15 00:25:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2019-10-15 00:25:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-10-15 00:25:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-15 00:25:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-15 00:25:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-15 00:25:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-10-15 00:25:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-10-15 00:25:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2019-10-15 00:25:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-10-15 00:25:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2019-10-15 00:25:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure lockref_get [2019-10-15 00:25:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2019-10-15 00:25:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2019-10-15 00:25:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2019-10-15 00:25:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2019-10-15 00:25:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure current_fs_time [2019-10-15 00:25:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure drop_nlink [2019-10-15 00:25:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure mount_single [2019-10-15 00:25:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure kill_litter_super [2019-10-15 00:25:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure register_filesystem [2019-10-15 00:25:23,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_filesystem_19 [2019-10-15 00:25:23,579 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_filesystem [2019-10-15 00:25:23,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_filesystem_20 [2019-10-15 00:25:23,580 INFO L130 BoogieDeclarations]: Found specification of procedure iput [2019-10-15 00:25:23,580 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2019-10-15 00:25:23,580 INFO L130 BoogieDeclarations]: Found specification of procedure allow_write_access [2019-10-15 00:25:23,580 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_read [2019-10-15 00:25:23,580 INFO L130 BoogieDeclarations]: Found specification of procedure open_exec [2019-10-15 00:25:23,580 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2019-10-15 00:25:23,580 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_ino [2019-10-15 00:25:23,580 INFO L130 BoogieDeclarations]: Found specification of procedure clear_inode [2019-10-15 00:25:23,581 INFO L130 BoogieDeclarations]: Found specification of procedure new_inode [2019-10-15 00:25:23,581 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-15 00:25:23,581 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2019-10-15 00:25:23,581 INFO L130 BoogieDeclarations]: Found specification of procedure simple_fill_super [2019-10-15 00:25:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure simple_pin_fs [2019-10-15 00:25:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure simple_release_fs [2019-10-15 00:25:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2019-10-15 00:25:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-10-15 00:25:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2019-10-15 00:25:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-15 00:25:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-15 00:25:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-15 00:25:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure __register_binfmt [2019-10-15 00:25:23,583 INFO L130 BoogieDeclarations]: Found specification of procedure insert_binfmt [2019-10-15 00:25:23,583 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_binfmt [2019-10-15 00:25:23,583 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_binprm [2019-10-15 00:25:23,583 INFO L130 BoogieDeclarations]: Found specification of procedure remove_arg_zero [2019-10-15 00:25:23,583 INFO L130 BoogieDeclarations]: Found specification of procedure search_binary_handler [2019-10-15 00:25:23,583 INFO L130 BoogieDeclarations]: Found specification of procedure would_dump [2019-10-15 00:25:23,583 INFO L130 BoogieDeclarations]: Found specification of procedure bprm_change_interp [2019-10-15 00:25:23,583 INFO L130 BoogieDeclarations]: Found specification of procedure copy_strings_kernel [2019-10-15 00:25:23,584 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:25:23,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:25:23,584 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 00:25:23,584 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 00:25:23,584 INFO L130 BoogieDeclarations]: Found specification of procedure string_unescape [2019-10-15 00:25:23,584 INFO L130 BoogieDeclarations]: Found specification of procedure string_unescape_inplace [2019-10-15 00:25:23,584 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-15 00:25:23,584 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2019-10-15 00:25:23,584 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2019-10-15 00:25:23,585 INFO L130 BoogieDeclarations]: Found specification of procedure lookup_one_len [2019-10-15 00:25:23,585 INFO L130 BoogieDeclarations]: Found specification of procedure sys_close [2019-10-15 00:25:23,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:25:23,585 INFO L130 BoogieDeclarations]: Found specification of procedure check_file [2019-10-15 00:25:23,585 INFO L130 BoogieDeclarations]: Found specification of procedure load_misc_binary [2019-10-15 00:25:23,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:25:23,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 00:25:23,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:25:23,585 INFO L130 BoogieDeclarations]: Found specification of procedure scanarg [2019-10-15 00:25:23,586 INFO L130 BoogieDeclarations]: Found specification of procedure check_special_flags [2019-10-15 00:25:23,586 INFO L130 BoogieDeclarations]: Found specification of procedure create_entry [2019-10-15 00:25:23,586 INFO L130 BoogieDeclarations]: Found specification of procedure parse_command [2019-10-15 00:25:23,586 INFO L130 BoogieDeclarations]: Found specification of procedure entry_status [2019-10-15 00:25:23,586 INFO L130 BoogieDeclarations]: Found specification of procedure bm_get_inode [2019-10-15 00:25:23,586 INFO L130 BoogieDeclarations]: Found specification of procedure bm_evict_inode [2019-10-15 00:25:23,586 INFO L130 BoogieDeclarations]: Found specification of procedure kill_node [2019-10-15 00:25:23,586 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_read [2019-10-15 00:25:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_write [2019-10-15 00:25:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure bm_register_write [2019-10-15 00:25:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_read [2019-10-15 00:25:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_write [2019-10-15 00:25:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure bm_fill_super [2019-10-15 00:25:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure bm_mount [2019-10-15 00:25:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure init_misc_binfmt [2019-10-15 00:25:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure exit_misc_binfmt [2019-10-15 00:25:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2019-10-15 00:25:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_init_misc_binfmt_7_11 [2019-10-15 00:25:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-10-15 00:25:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_5_1 [2019-10-15 00:25:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_5_7_4 [2019-10-15 00:25:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_file_operations_instance_1_7_5 [2019-10-15 00:25:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_6_2 [2019-10-15 00:25:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_5_7_6 [2019-10-15 00:25:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_file_operations_instance_1_7_7 [2019-10-15 00:25:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-15 00:25:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_7 [2019-10-15 00:25:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_8 [2019-10-15 00:25:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-15 00:25:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_7 [2019-10-15 00:25:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_7 [2019-10-15 00:25:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:25:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_0 [2019-10-15 00:25:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_1 [2019-10-15 00:25:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_2 [2019-10-15 00:25:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_22 [2019-10-15 00:25:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_5 [2019-10-15 00:25:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_1_22 [2019-10-15 00:25:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_1_5 [2019-10-15 00:25:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_2_22 [2019-10-15 00:25:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_2_5 [2019-10-15 00:25:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_0_12 [2019-10-15 00:25:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_1_12 [2019-10-15 00:25:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_2_12 [2019-10-15 00:25:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_0_4 [2019-10-15 00:25:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_1_4 [2019-10-15 00:25:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_2_4 [2019-10-15 00:25:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-10-15 00:25:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_filesystem [2019-10-15 00:25:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_linux_binfmt_dummy_resourceless_instance_3 [2019-10-15 00:25:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_super_operations_dummy_resourceless_instance_4 [2019-10-15 00:25:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-10-15 00:25:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-10-15 00:25:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2019-10-15 00:25:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_15 [2019-10-15 00:25:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2019-10-15 00:25:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_15 [2019-10-15 00:25:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2019-10-15 00:25:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_15 [2019-10-15 00:25:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2019-10-15 00:25:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-10-15 00:25:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_5 [2019-10-15 00:25:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-10-15 00:25:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_5 [2019-10-15 00:25:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_filesystem [2019-10-15 00:25:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-15 00:25:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:25:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-15 00:25:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-15 00:25:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-15 00:25:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 00:25:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-15 00:25:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 00:25:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-15 00:25:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-15 00:25:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-15 00:25:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-15 00:25:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-15 00:25:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-15 00:25:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 00:25:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-15 00:25:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-15 00:25:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-15 00:25:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-15 00:25:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-15 00:25:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:25:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 00:25:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:25:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:25:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 00:25:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 00:25:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 00:25:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-15 00:25:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-15 00:25:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:25:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:25:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:25:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-15 00:25:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-15 00:25:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-15 00:25:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-15 00:25:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 00:25:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2019-10-15 00:25:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2019-10-15 00:25:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2019-10-15 00:25:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2019-10-15 00:25:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2019-10-15 00:25:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-15 00:25:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-15 00:25:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-15 00:25:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 00:25:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock [2019-10-15 00:25:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 00:25:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 00:25:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:25:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 00:25:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:25:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_device [2019-10-15 00:25:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:25:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:25:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:25:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:25:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:25:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:25:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:25:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-15 00:25:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 00:25:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:25:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:25:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:25:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:25:24,497 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 00:25:27,610 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-10-15 00:25:28,635 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:25:28,635 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:25:28,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:25:28 BoogieIcfgContainer [2019-10-15 00:25:28,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:25:28,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:25:28,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:25:28,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:25:28,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:25:20" (1/3) ... [2019-10-15 00:25:28,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f24021c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:25:28, skipping insertion in model container [2019-10-15 00:25:28,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:25:23" (2/3) ... [2019-10-15 00:25:28,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f24021c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:25:28, skipping insertion in model container [2019-10-15 00:25:28,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:25:28" (3/3) ... [2019-10-15 00:25:28,646 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2019-10-15 00:25:28,656 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:25:28,666 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-15 00:25:28,678 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-15 00:25:28,711 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:25:28,712 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:25:28,712 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:25:28,712 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:25:28,712 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:25:28,712 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:25:28,712 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:25:28,712 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:25:28,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states. [2019-10-15 00:25:28,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-10-15 00:25:28,787 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:25:28,789 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 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, 1, 1, 1, 1, 1] [2019-10-15 00:25:28,792 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]=== [2019-10-15 00:25:28,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:25:28,799 INFO L82 PathProgramCache]: Analyzing trace with hash -902379801, now seen corresponding path program 1 times [2019-10-15 00:25:28,809 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:25:28,810 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710719217] [2019-10-15 00:25:28,810 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:25:28,810 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:25:28,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:25:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:25:29,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2100 trivial. 0 not checked. [2019-10-15 00:25:29,868 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710719217] [2019-10-15 00:25:29,869 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:25:29,869 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:25:29,869 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485688915] [2019-10-15 00:25:29,882 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:25:29,887 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:25:29,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:25:29,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:25:29,907 INFO L87 Difference]: Start difference. First operand 1582 states. Second operand 3 states. [2019-10-15 00:25:30,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:25:30,297 INFO L93 Difference]: Finished difference Result 3887 states and 5072 transitions. [2019-10-15 00:25:30,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:25:30,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2019-10-15 00:25:30,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:25:30,351 INFO L225 Difference]: With dead ends: 3887 [2019-10-15 00:25:30,351 INFO L226 Difference]: Without dead ends: 2541 [2019-10-15 00:25:30,367 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:25:30,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2541 states. [2019-10-15 00:25:30,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2541 to 2528. [2019-10-15 00:25:30,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2528 states. [2019-10-15 00:25:30,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 2528 states and 3256 transitions. [2019-10-15 00:25:30,695 INFO L78 Accepts]: Start accepts. Automaton has 2528 states and 3256 transitions. Word has length 269 [2019-10-15 00:25:30,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:25:30,697 INFO L462 AbstractCegarLoop]: Abstraction has 2528 states and 3256 transitions. [2019-10-15 00:25:30,697 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:25:30,697 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 3256 transitions. [2019-10-15 00:25:30,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-10-15 00:25:30,707 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:25:30,708 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 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] [2019-10-15 00:25:30,708 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]=== [2019-10-15 00:25:30,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:25:30,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1315573582, now seen corresponding path program 1 times [2019-10-15 00:25:30,709 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:25:30,709 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861266102] [2019-10-15 00:25:30,709 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:25:30,710 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:25:30,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:25:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:25:31,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2104 trivial. 0 not checked. [2019-10-15 00:25:31,161 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861266102] [2019-10-15 00:25:31,161 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:25:31,161 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:25:31,162 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042782709] [2019-10-15 00:25:31,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:25:31,164 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:25:31,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:25:31,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:25:31,165 INFO L87 Difference]: Start difference. First operand 2528 states and 3256 transitions. Second operand 3 states. [2019-10-15 00:25:31,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:25:31,361 INFO L93 Difference]: Finished difference Result 3761 states and 4828 transitions. [2019-10-15 00:25:31,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:25:31,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 303 [2019-10-15 00:25:31,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:25:31,386 INFO L225 Difference]: With dead ends: 3761 [2019-10-15 00:25:31,386 INFO L226 Difference]: Without dead ends: 3710 [2019-10-15 00:25:31,389 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:25:31,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3710 states. [2019-10-15 00:25:31,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3710 to 3697. [2019-10-15 00:25:31,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3697 states. [2019-10-15 00:25:31,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3697 states to 3697 states and 4761 transitions. [2019-10-15 00:25:31,574 INFO L78 Accepts]: Start accepts. Automaton has 3697 states and 4761 transitions. Word has length 303 [2019-10-15 00:25:31,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:25:31,575 INFO L462 AbstractCegarLoop]: Abstraction has 3697 states and 4761 transitions. [2019-10-15 00:25:31,575 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:25:31,575 INFO L276 IsEmpty]: Start isEmpty. Operand 3697 states and 4761 transitions. [2019-10-15 00:25:31,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-10-15 00:25:31,584 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:25:31,585 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 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] [2019-10-15 00:25:31,585 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]=== [2019-10-15 00:25:31,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:25:31,586 INFO L82 PathProgramCache]: Analyzing trace with hash 402676766, now seen corresponding path program 1 times [2019-10-15 00:25:31,586 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:25:31,586 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308543250] [2019-10-15 00:25:31,586 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:25:31,586 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:25:31,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:25:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:25:32,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2104 trivial. 0 not checked. [2019-10-15 00:25:32,012 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308543250] [2019-10-15 00:25:32,013 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:25:32,013 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:25:32,013 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311256320] [2019-10-15 00:25:32,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:25:32,014 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:25:32,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:25:32,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:25:32,015 INFO L87 Difference]: Start difference. First operand 3697 states and 4761 transitions. Second operand 3 states. [2019-10-15 00:25:32,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:25:32,302 INFO L93 Difference]: Finished difference Result 4894 states and 6298 transitions. [2019-10-15 00:25:32,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:25:32,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2019-10-15 00:25:32,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:25:32,345 INFO L225 Difference]: With dead ends: 4894 [2019-10-15 00:25:32,345 INFO L226 Difference]: Without dead ends: 4843 [2019-10-15 00:25:32,349 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:25:32,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4843 states. [2019-10-15 00:25:32,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4843 to 4830. [2019-10-15 00:25:32,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4830 states. [2019-10-15 00:25:32,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4830 states to 4830 states and 6230 transitions. [2019-10-15 00:25:32,604 INFO L78 Accepts]: Start accepts. Automaton has 4830 states and 6230 transitions. Word has length 302 [2019-10-15 00:25:32,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:25:32,608 INFO L462 AbstractCegarLoop]: Abstraction has 4830 states and 6230 transitions. [2019-10-15 00:25:32,608 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:25:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 4830 states and 6230 transitions. [2019-10-15 00:25:32,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-10-15 00:25:32,623 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:25:32,623 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 3, 3, 3, 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, 1, 1, 1, 1] [2019-10-15 00:25:32,623 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]=== [2019-10-15 00:25:32,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:25:32,624 INFO L82 PathProgramCache]: Analyzing trace with hash -574461963, now seen corresponding path program 1 times [2019-10-15 00:25:32,624 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:25:32,624 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745198506] [2019-10-15 00:25:32,625 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:25:32,625 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:25:32,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:25:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:25:33,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2121 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2115 trivial. 0 not checked. [2019-10-15 00:25:33,015 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745198506] [2019-10-15 00:25:33,016 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:25:33,016 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:25:33,016 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350459440] [2019-10-15 00:25:33,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:25:33,017 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:25:33,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:25:33,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:25:33,022 INFO L87 Difference]: Start difference. First operand 4830 states and 6230 transitions. Second operand 5 states. [2019-10-15 00:25:41,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:25:41,437 INFO L93 Difference]: Finished difference Result 10733 states and 13850 transitions. [2019-10-15 00:25:41,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:25:41,438 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 328 [2019-10-15 00:25:41,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:25:41,476 INFO L225 Difference]: With dead ends: 10733 [2019-10-15 00:25:41,476 INFO L226 Difference]: Without dead ends: 5975 [2019-10-15 00:25:41,496 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 [2019-10-15 00:25:41,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5975 states. [2019-10-15 00:25:41,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5975 to 5969. [2019-10-15 00:25:41,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5969 states. [2019-10-15 00:25:41,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5969 states to 5969 states and 7703 transitions. [2019-10-15 00:25:41,875 INFO L78 Accepts]: Start accepts. Automaton has 5969 states and 7703 transitions. Word has length 328 [2019-10-15 00:25:41,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:25:41,876 INFO L462 AbstractCegarLoop]: Abstraction has 5969 states and 7703 transitions. [2019-10-15 00:25:41,876 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:25:41,877 INFO L276 IsEmpty]: Start isEmpty. Operand 5969 states and 7703 transitions. [2019-10-15 00:25:41,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2019-10-15 00:25:41,898 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:25:41,898 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 4, 4, 4, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2019-10-15 00:25:41,899 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]=== [2019-10-15 00:25:41,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:25:41,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1238437555, now seen corresponding path program 1 times [2019-10-15 00:25:41,900 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:25:41,900 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908632673] [2019-10-15 00:25:41,901 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:25:41,901 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:25:41,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:25:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:25:42,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2135 trivial. 0 not checked. [2019-10-15 00:25:42,319 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908632673] [2019-10-15 00:25:42,319 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:25:42,320 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:25:42,320 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891876188] [2019-10-15 00:25:42,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:25:42,321 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:25:42,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:25:42,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:25:42,322 INFO L87 Difference]: Start difference. First operand 5969 states and 7703 transitions. Second operand 3 states. [2019-10-15 00:25:42,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:25:42,749 INFO L93 Difference]: Finished difference Result 13756 states and 17645 transitions. [2019-10-15 00:25:42,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:25:42,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 341 [2019-10-15 00:25:42,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:25:42,806 INFO L225 Difference]: With dead ends: 13756 [2019-10-15 00:25:42,806 INFO L226 Difference]: Without dead ends: 7859 [2019-10-15 00:25:42,832 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:25:42,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7859 states. [2019-10-15 00:25:43,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7859 to 7830. [2019-10-15 00:25:43,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7830 states. [2019-10-15 00:25:43,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7830 states to 7830 states and 9952 transitions. [2019-10-15 00:25:43,366 INFO L78 Accepts]: Start accepts. Automaton has 7830 states and 9952 transitions. Word has length 341 [2019-10-15 00:25:43,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:25:43,369 INFO L462 AbstractCegarLoop]: Abstraction has 7830 states and 9952 transitions. [2019-10-15 00:25:43,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:25:43,369 INFO L276 IsEmpty]: Start isEmpty. Operand 7830 states and 9952 transitions. [2019-10-15 00:25:43,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2019-10-15 00:25:43,403 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:25:43,404 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 5, 5, 5, 2, 2, 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, 1, 1, 1, 1] [2019-10-15 00:25:43,404 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]=== [2019-10-15 00:25:43,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:25:43,405 INFO L82 PathProgramCache]: Analyzing trace with hash 2080585669, now seen corresponding path program 1 times [2019-10-15 00:25:43,405 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:25:43,405 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711718300] [2019-10-15 00:25:43,406 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:25:43,406 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:25:43,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:25:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:25:43,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2151 trivial. 0 not checked. [2019-10-15 00:25:43,927 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711718300] [2019-10-15 00:25:43,927 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:25:43,928 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:25:43,932 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146620117] [2019-10-15 00:25:43,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:25:43,933 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:25:43,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:25:43,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:25:43,934 INFO L87 Difference]: Start difference. First operand 7830 states and 9952 transitions. Second operand 3 states. [2019-10-15 00:25:44,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:25:44,632 INFO L93 Difference]: Finished difference Result 20822 states and 26398 transitions. [2019-10-15 00:25:44,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:25:44,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 342 [2019-10-15 00:25:44,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:25:44,752 INFO L225 Difference]: With dead ends: 20822 [2019-10-15 00:25:44,752 INFO L226 Difference]: Without dead ends: 13064 [2019-10-15 00:25:44,788 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:25:44,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13064 states. [2019-10-15 00:25:45,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13064 to 13027. [2019-10-15 00:25:45,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13027 states. [2019-10-15 00:25:45,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13027 states to 13027 states and 16415 transitions. [2019-10-15 00:25:45,629 INFO L78 Accepts]: Start accepts. Automaton has 13027 states and 16415 transitions. Word has length 342 [2019-10-15 00:25:45,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:25:45,630 INFO L462 AbstractCegarLoop]: Abstraction has 13027 states and 16415 transitions. [2019-10-15 00:25:45,630 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:25:45,631 INFO L276 IsEmpty]: Start isEmpty. Operand 13027 states and 16415 transitions. [2019-10-15 00:25:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2019-10-15 00:25:45,654 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:25:45,654 INFO L380 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:25:45,655 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]=== [2019-10-15 00:25:45,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:25:45,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1683320431, now seen corresponding path program 1 times [2019-10-15 00:25:45,656 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:25:45,656 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137292521] [2019-10-15 00:25:45,656 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:25:45,656 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:25:45,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:25:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:25:46,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2121 trivial. 0 not checked. [2019-10-15 00:25:46,025 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137292521] [2019-10-15 00:25:46,025 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:25:46,025 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:25:46,025 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812246157] [2019-10-15 00:25:46,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:25:46,026 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:25:46,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:25:46,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:25:46,027 INFO L87 Difference]: Start difference. First operand 13027 states and 16415 transitions. Second operand 5 states.