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-f4eb214f-m [2019-10-13 20:26:23,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:26:23,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:26:23,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:26:23,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:26:23,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:26:23,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:26:23,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:26:23,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:26:23,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:26:23,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:26:23,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:26:23,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:26:23,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:26:23,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:26:23,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:26:23,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:26:23,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:26:23,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:26:23,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:26:23,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:26:23,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:26:23,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:26:23,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:26:23,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:26:23,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:26:23,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:26:23,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:26:23,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:26:23,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:26:23,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:26:23,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:26:23,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:26:23,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:26:23,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:26:23,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:26:23,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:26:23,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:26:23,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:26:23,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:26:23,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:26:23,206 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:26:23,242 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:26:23,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:26:23,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:26:23,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:26:23,247 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:26:23,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:26:23,248 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:26:23,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:26:23,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:26:23,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:26:23,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:26:23,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:26:23,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:26:23,249 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:26:23,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:26:23,252 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:26:23,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:26:23,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:26:23,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:26:23,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:26:23,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:26:23,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:26:23,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:26:23,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:26:23,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:26:23,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:26:23,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:26:23,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:26:23,255 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 [2019-10-13 20:26:23,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:26:23,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:26:23,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:26:23,565 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:26:23,566 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:26:23,567 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2019-10-13 20:26:23,644 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be85b4615/398ff057703a4b02bab1050ffeb1738b/FLAG4af0b1463 [2019-10-13 20:26:24,449 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:26:24,450 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2019-10-13 20:26:24,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be85b4615/398ff057703a4b02bab1050ffeb1738b/FLAG4af0b1463 [2019-10-13 20:26:24,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be85b4615/398ff057703a4b02bab1050ffeb1738b [2019-10-13 20:26:24,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:26:24,967 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:26:24,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:26:24,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:26:24,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:26:24,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:26:24" (1/1) ... [2019-10-13 20:26:24,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b78ab66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:26:24, skipping insertion in model container [2019-10-13 20:26:24,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:26:24" (1/1) ... [2019-10-13 20:26:24,988 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:26:25,158 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:26:27,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:26:27,585 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:26:27,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:26:28,313 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:26:28,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:26:28 WrapperNode [2019-10-13 20:26:28,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:26:28,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:26:28,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:26:28,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:26:28,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:26:28" (1/1) ... [2019-10-13 20:26:28,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:26:28" (1/1) ... [2019-10-13 20:26:28,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:26:28" (1/1) ... [2019-10-13 20:26:28,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:26:28" (1/1) ... [2019-10-13 20:26:28,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:26:28" (1/1) ... [2019-10-13 20:26:28,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:26:28" (1/1) ... [2019-10-13 20:26:28,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:26:28" (1/1) ... [2019-10-13 20:26:28,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:26:28,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:26:28,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:26:28,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:26:28,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:26:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:26:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:26:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:26:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-13 20:26:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:26:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:26:28,782 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:26:28,782 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-13 20:26:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-13 20:26:28,784 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-13 20:26:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 20:26:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 20:26:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 20:26:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-13 20:26:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2019-10-13 20:26:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2019-10-13 20:26:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_write_access [2019-10-13 20:26:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-13 20:26:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure insert_binfmt [2019-10-13 20:26:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:26:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:26:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure string_unescape_inplace [2019-10-13 20:26:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure check_file [2019-10-13 20:26:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure load_misc_binary [2019-10-13 20:26:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure scanarg [2019-10-13 20:26:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure check_special_flags [2019-10-13 20:26:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure create_entry [2019-10-13 20:26:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_command [2019-10-13 20:26:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_status [2019-10-13 20:26:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_get_inode [2019-10-13 20:26:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_evict_inode [2019-10-13 20:26:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_node [2019-10-13 20:26:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_read [2019-10-13 20:26:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_write [2019-10-13 20:26:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_register_write [2019-10-13 20:26:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_read [2019-10-13 20:26:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_write [2019-10-13 20:26:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_fill_super [2019-10-13 20:26:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_mount [2019-10-13 20:26:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure init_misc_binfmt [2019-10-13 20:26:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_misc_binfmt [2019-10-13 20:26:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2019-10-13 20:26:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_init_misc_binfmt_7_11 [2019-10-13 20:26:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-10-13 20:26:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_5_1 [2019-10-13 20:26:28,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_5_7_4 [2019-10-13 20:26:28,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_file_operations_instance_1_7_5 [2019-10-13 20:26:28,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_6_2 [2019-10-13 20:26:28,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_5_7_6 [2019-10-13 20:26:28,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_file_operations_instance_1_7_7 [2019-10-13 20:26:28,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-13 20:26:28,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_7 [2019-10-13 20:26:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_8 [2019-10-13 20:26:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-13 20:26:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_7 [2019-10-13 20:26:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_7 [2019-10-13 20:26:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:26:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_0 [2019-10-13 20:26:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_1 [2019-10-13 20:26:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_2 [2019-10-13 20:26:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_22 [2019-10-13 20:26:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_5 [2019-10-13 20:26:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_1_22 [2019-10-13 20:26:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_1_5 [2019-10-13 20:26:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_2_22 [2019-10-13 20:26:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_2_5 [2019-10-13 20:26:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_0_12 [2019-10-13 20:26:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_1_12 [2019-10-13 20:26:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_2_12 [2019-10-13 20:26:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_0_4 [2019-10-13 20:26:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_1_4 [2019-10-13 20:26:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_2_4 [2019-10-13 20:26:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-10-13 20:26:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_filesystem [2019-10-13 20:26:28,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_linux_binfmt_dummy_resourceless_instance_3 [2019-10-13 20:26:28,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_super_operations_dummy_resourceless_instance_4 [2019-10-13 20:26:28,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-10-13 20:26:28,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-10-13 20:26:28,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2019-10-13 20:26:28,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_15 [2019-10-13 20:26:28,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2019-10-13 20:26:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_15 [2019-10-13 20:26:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2019-10-13 20:26:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_15 [2019-10-13 20:26:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2019-10-13 20:26:28,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-10-13 20:26:28,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_5 [2019-10-13 20:26:28,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-10-13 20:26:28,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_5 [2019-10-13 20:26:28,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_filesystem [2019-10-13 20:26:28,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-13 20:26:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 20:26:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 20:26:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2019-10-13 20:26:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-13 20:26:28,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-10-13 20:26:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-13 20:26:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-13 20:26:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-10-13 20:26:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_filesystem_19 [2019-10-13 20:26:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_filesystem_20 [2019-10-13 20:26:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-13 20:26:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-13 20:26:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-13 20:26:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:26:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 20:26:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 20:26:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 20:26:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-13 20:26:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-13 20:26:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-13 20:26:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-13 20:26:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-13 20:26:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-13 20:26:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:26:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:26:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 20:26:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:26:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-13 20:26:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:26:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-13 20:26:28,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-13 20:26:28,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-13 20:26:28,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-13 20:26:28,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-13 20:26:28,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-13 20:26:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-13 20:26:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:26:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:26:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:26:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-13 20:26:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-13 20:26:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-13 20:26:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-13 20:26:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-13 20:26:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-13 20:26:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 20:26:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2019-10-13 20:26:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 20:26:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 20:26:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 20:26:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 20:26:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 20:26:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock [2019-10-13 20:26:28,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 20:26:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 20:26:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:26:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 20:26:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:26:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_device [2019-10-13 20:26:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:26:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:26:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:26:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:26:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:26:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:26:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2019-10-13 20:26:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2019-10-13 20:26:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2019-10-13 20:26:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2019-10-13 20:26:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-13 20:26:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-10-13 20:26:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 20:26:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-13 20:26:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_binfmt [2019-10-13 20:26:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-13 20:26:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-10-13 20:26:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-10-13 20:26:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2019-10-13 20:26:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2019-10-13 20:26:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure bprm_change_interp [2019-10-13 20:26:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_inode [2019-10-13 20:26:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_strings_kernel [2019-10-13 20:26:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure current_fs_time [2019-10-13 20:26:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2019-10-13 20:26:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2019-10-13 20:26:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2019-10-13 20:26:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2019-10-13 20:26:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_nlink [2019-10-13 20:26:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-13 20:26:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2019-10-13 20:26:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-13 20:26:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2019-10-13 20:26:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_ino [2019-10-13 20:26:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2019-10-13 20:26:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure iput [2019-10-13 20:26:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_read [2019-10-13 20:26:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_litter_super [2019-10-13 20:26:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-13 20:26:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-13 20:26:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-13 20:26:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure lockref_get [2019-10-13 20:26:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup_one_len [2019-10-13 20:26:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-13 20:26:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure mount_single [2019-10-13 20:26:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure new_inode [2019-10-13 20:26:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-13 20:26:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure open_exec [2019-10-13 20:26:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_binprm [2019-10-13 20:26:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure register_filesystem [2019-10-13 20:26:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_arg_zero [2019-10-13 20:26:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure search_binary_handler [2019-10-13 20:26:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_fill_super [2019-10-13 20:26:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_pin_fs [2019-10-13 20:26:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2019-10-13 20:26:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_release_fs [2019-10-13 20:26:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2019-10-13 20:26:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2019-10-13 20:26:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure string_unescape [2019-10-13 20:26:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-13 20:26:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_close [2019-10-13 20:26:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_binfmt [2019-10-13 20:26:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_filesystem [2019-10-13 20:26:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure would_dump [2019-10-13 20:26:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:26:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:26:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:26:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:26:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:26:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:26:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 20:26:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 20:26:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2019-10-13 20:26:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-10-13 20:26:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-13 20:26:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 20:26:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 20:26:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:26:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-13 20:26:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-13 20:26:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:26:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-13 20:26:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:26:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:26:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-13 20:26:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-13 20:26:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-13 20:26:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:26:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:26:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 20:26:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-13 20:26:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:26:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-13 20:26:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-13 20:26:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-13 20:26:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 20:26:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 20:26:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 20:26:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:26:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-13 20:26:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2019-10-13 20:26:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 20:26:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-13 20:26:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 20:26:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 20:26:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:26:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-13 20:26:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-13 20:26:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-13 20:26:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2019-10-13 20:26:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-10-13 20:26:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-13 20:26:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-13 20:26:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-13 20:26:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-10-13 20:26:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-10-13 20:26:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2019-10-13 20:26:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-10-13 20:26:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2019-10-13 20:26:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure lockref_get [2019-10-13 20:26:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2019-10-13 20:26:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2019-10-13 20:26:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2019-10-13 20:26:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2019-10-13 20:26:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure current_fs_time [2019-10-13 20:26:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure drop_nlink [2019-10-13 20:26:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure mount_single [2019-10-13 20:26:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure kill_litter_super [2019-10-13 20:26:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure register_filesystem [2019-10-13 20:26:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_filesystem_19 [2019-10-13 20:26:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_filesystem [2019-10-13 20:26:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_filesystem_20 [2019-10-13 20:26:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure iput [2019-10-13 20:26:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2019-10-13 20:26:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure allow_write_access [2019-10-13 20:26:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_read [2019-10-13 20:26:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure open_exec [2019-10-13 20:26:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2019-10-13 20:26:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_ino [2019-10-13 20:26:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure clear_inode [2019-10-13 20:26:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure new_inode [2019-10-13 20:26:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-13 20:26:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2019-10-13 20:26:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure simple_fill_super [2019-10-13 20:26:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure simple_pin_fs [2019-10-13 20:26:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure simple_release_fs [2019-10-13 20:26:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2019-10-13 20:26:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-10-13 20:26:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2019-10-13 20:26:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-13 20:26:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-13 20:26:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-13 20:26:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure __register_binfmt [2019-10-13 20:26:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure insert_binfmt [2019-10-13 20:26:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_binfmt [2019-10-13 20:26:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_binprm [2019-10-13 20:26:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure remove_arg_zero [2019-10-13 20:26:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure search_binary_handler [2019-10-13 20:26:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure would_dump [2019-10-13 20:26:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure bprm_change_interp [2019-10-13 20:26:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure copy_strings_kernel [2019-10-13 20:26:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:26:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:26:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:26:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:26:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure string_unescape [2019-10-13 20:26:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure string_unescape_inplace [2019-10-13 20:26:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-13 20:26:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2019-10-13 20:26:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2019-10-13 20:26:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure lookup_one_len [2019-10-13 20:26:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure sys_close [2019-10-13 20:26:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:26:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure check_file [2019-10-13 20:26:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure load_misc_binary [2019-10-13 20:26:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:26:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:26:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:26:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure scanarg [2019-10-13 20:26:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure check_special_flags [2019-10-13 20:26:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure create_entry [2019-10-13 20:26:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure parse_command [2019-10-13 20:26:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure entry_status [2019-10-13 20:26:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure bm_get_inode [2019-10-13 20:26:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure bm_evict_inode [2019-10-13 20:26:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure kill_node [2019-10-13 20:26:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_read [2019-10-13 20:26:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_write [2019-10-13 20:26:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure bm_register_write [2019-10-13 20:26:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_read [2019-10-13 20:26:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_write [2019-10-13 20:26:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure bm_fill_super [2019-10-13 20:26:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure bm_mount [2019-10-13 20:26:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure init_misc_binfmt [2019-10-13 20:26:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure exit_misc_binfmt [2019-10-13 20:26:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2019-10-13 20:26:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_init_misc_binfmt_7_11 [2019-10-13 20:26:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-10-13 20:26:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_5_1 [2019-10-13 20:26:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_5_7_4 [2019-10-13 20:26:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_file_operations_instance_1_7_5 [2019-10-13 20:26:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_6_2 [2019-10-13 20:26:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_5_7_6 [2019-10-13 20:26:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_file_operations_instance_1_7_7 [2019-10-13 20:26:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-13 20:26:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_7 [2019-10-13 20:26:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_8 [2019-10-13 20:26:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-13 20:26:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_7 [2019-10-13 20:26:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_7 [2019-10-13 20:26:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:26:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_0 [2019-10-13 20:26:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_1 [2019-10-13 20:26:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_2 [2019-10-13 20:26:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_22 [2019-10-13 20:26:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_5 [2019-10-13 20:26:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_1_22 [2019-10-13 20:26:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_1_5 [2019-10-13 20:26:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_2_22 [2019-10-13 20:26:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_2_5 [2019-10-13 20:26:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_0_12 [2019-10-13 20:26:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_1_12 [2019-10-13 20:26:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_2_12 [2019-10-13 20:26:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_0_4 [2019-10-13 20:26:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_1_4 [2019-10-13 20:26:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_2_4 [2019-10-13 20:26:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-10-13 20:26:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_filesystem [2019-10-13 20:26:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_linux_binfmt_dummy_resourceless_instance_3 [2019-10-13 20:26:28,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_super_operations_dummy_resourceless_instance_4 [2019-10-13 20:26:28,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-10-13 20:26:28,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-10-13 20:26:28,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2019-10-13 20:26:28,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_15 [2019-10-13 20:26:28,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2019-10-13 20:26:28,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_15 [2019-10-13 20:26:28,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2019-10-13 20:26:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_15 [2019-10-13 20:26:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2019-10-13 20:26:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-10-13 20:26:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_5 [2019-10-13 20:26:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-10-13 20:26:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_5 [2019-10-13 20:26:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_filesystem [2019-10-13 20:26:28,870 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-13 20:26:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:26:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-13 20:26:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-13 20:26:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-13 20:26:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:26:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-13 20:26:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 20:26:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-13 20:26:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-13 20:26:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-13 20:26:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-13 20:26:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-13 20:26:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-13 20:26:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 20:26:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-13 20:26:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-13 20:26:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-13 20:26:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-13 20:26:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-13 20:26:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:26:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:26:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:26:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:26:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:26:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:26:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:26:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-13 20:26:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-13 20:26:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:26:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:26:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:26:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-13 20:26:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-13 20:26:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-13 20:26:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-13 20:26:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:26:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2019-10-13 20:26:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2019-10-13 20:26:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2019-10-13 20:26:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2019-10-13 20:26:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2019-10-13 20:26:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 20:26:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 20:26:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 20:26:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 20:26:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock [2019-10-13 20:26:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 20:26:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 20:26:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:26:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 20:26:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:26:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_device [2019-10-13 20:26:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:26:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:26:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:26:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:26:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:26:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:26:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:26:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 20:26:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 20:26:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:26:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:26:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:26:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:26:29,877 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:26:32,674 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-10-13 20:26:33,546 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:26:33,546 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:26:33,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:26:33 BoogieIcfgContainer [2019-10-13 20:26:33,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:26:33,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:26:33,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:26:33,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:26:33,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:26:24" (1/3) ... [2019-10-13 20:26:33,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a3a1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:26:33, skipping insertion in model container [2019-10-13 20:26:33,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:26:28" (2/3) ... [2019-10-13 20:26:33,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a3a1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:26:33, skipping insertion in model container [2019-10-13 20:26:33,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:26:33" (3/3) ... [2019-10-13 20:26:33,558 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2019-10-13 20:26:33,569 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:26:33,584 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-13 20:26:33,596 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-13 20:26:33,637 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:26:33,637 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:26:33,638 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:26:33,638 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:26:33,638 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:26:33,638 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:26:33,638 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:26:33,638 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:26:33,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states. [2019-10-13 20:26:33,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-10-13 20:26:33,731 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:26:33,733 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] [2019-10-13 20:26:33,735 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:26:33,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:26:33,742 INFO L82 PathProgramCache]: Analyzing trace with hash -902379801, now seen corresponding path program 1 times [2019-10-13 20:26:33,751 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:26:33,751 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026278549] [2019-10-13 20:26:33,751 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:26:33,752 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:26:33,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:26:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:26:34,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2100 trivial. 0 not checked. [2019-10-13 20:26:34,828 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026278549] [2019-10-13 20:26:34,829 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:26:34,829 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:26:34,830 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273125209] [2019-10-13 20:26:34,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:26:34,844 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:26:34,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:26:34,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:26:34,861 INFO L87 Difference]: Start difference. First operand 1582 states. Second operand 3 states. [2019-10-13 20:26:35,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:26:35,243 INFO L93 Difference]: Finished difference Result 3887 states and 5072 transitions. [2019-10-13 20:26:35,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:26:35,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2019-10-13 20:26:35,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:26:35,293 INFO L225 Difference]: With dead ends: 3887 [2019-10-13 20:26:35,294 INFO L226 Difference]: Without dead ends: 2541 [2019-10-13 20:26:35,309 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:26:35,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2541 states. [2019-10-13 20:26:35,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2541 to 2528. [2019-10-13 20:26:35,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2528 states. [2019-10-13 20:26:35,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 2528 states and 3256 transitions. [2019-10-13 20:26:35,567 INFO L78 Accepts]: Start accepts. Automaton has 2528 states and 3256 transitions. Word has length 269 [2019-10-13 20:26:35,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:26:35,569 INFO L462 AbstractCegarLoop]: Abstraction has 2528 states and 3256 transitions. [2019-10-13 20:26:35,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:26:35,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 3256 transitions. [2019-10-13 20:26:35,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-10-13 20:26:35,581 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:26:35,581 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] [2019-10-13 20:26:35,582 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:26:35,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:26:35,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1315573582, now seen corresponding path program 1 times [2019-10-13 20:26:35,582 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:26:35,583 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525440283] [2019-10-13 20:26:35,583 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:26:35,583 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:26:35,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:26:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:26:36,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2104 trivial. 0 not checked. [2019-10-13 20:26:36,082 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525440283] [2019-10-13 20:26:36,082 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:26:36,082 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:26:36,083 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666463778] [2019-10-13 20:26:36,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:26:36,089 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:26:36,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:26:36,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:26:36,089 INFO L87 Difference]: Start difference. First operand 2528 states and 3256 transitions. Second operand 3 states. [2019-10-13 20:26:36,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:26:36,332 INFO L93 Difference]: Finished difference Result 3761 states and 4828 transitions. [2019-10-13 20:26:36,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:26:36,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 303 [2019-10-13 20:26:36,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:26:36,373 INFO L225 Difference]: With dead ends: 3761 [2019-10-13 20:26:36,373 INFO L226 Difference]: Without dead ends: 3710 [2019-10-13 20:26:36,379 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:26:36,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3710 states. [2019-10-13 20:26:36,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3710 to 3697. [2019-10-13 20:26:36,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3697 states. [2019-10-13 20:26:36,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3697 states to 3697 states and 4761 transitions. [2019-10-13 20:26:36,571 INFO L78 Accepts]: Start accepts. Automaton has 3697 states and 4761 transitions. Word has length 303 [2019-10-13 20:26:36,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:26:36,573 INFO L462 AbstractCegarLoop]: Abstraction has 3697 states and 4761 transitions. [2019-10-13 20:26:36,573 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:26:36,573 INFO L276 IsEmpty]: Start isEmpty. Operand 3697 states and 4761 transitions. [2019-10-13 20:26:36,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-10-13 20:26:36,583 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:26:36,583 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] [2019-10-13 20:26:36,583 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:26:36,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:26:36,584 INFO L82 PathProgramCache]: Analyzing trace with hash 402676766, now seen corresponding path program 1 times [2019-10-13 20:26:36,584 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:26:36,584 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030161644] [2019-10-13 20:26:36,585 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:26:36,585 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:26:36,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:26:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:26:36,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2104 trivial. 0 not checked. [2019-10-13 20:26:36,929 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030161644] [2019-10-13 20:26:36,929 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:26:36,929 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:26:36,929 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777181688] [2019-10-13 20:26:36,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:26:36,930 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:26:36,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:26:36,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:26:36,931 INFO L87 Difference]: Start difference. First operand 3697 states and 4761 transitions. Second operand 3 states. [2019-10-13 20:26:37,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:26:37,170 INFO L93 Difference]: Finished difference Result 4894 states and 6298 transitions. [2019-10-13 20:26:37,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:26:37,171 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2019-10-13 20:26:37,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:26:37,202 INFO L225 Difference]: With dead ends: 4894 [2019-10-13 20:26:37,203 INFO L226 Difference]: Without dead ends: 4843 [2019-10-13 20:26:37,207 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:26:37,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4843 states. [2019-10-13 20:26:37,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4843 to 4830. [2019-10-13 20:26:37,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4830 states. [2019-10-13 20:26:37,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4830 states to 4830 states and 6230 transitions. [2019-10-13 20:26:37,441 INFO L78 Accepts]: Start accepts. Automaton has 4830 states and 6230 transitions. Word has length 302 [2019-10-13 20:26:37,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:26:37,442 INFO L462 AbstractCegarLoop]: Abstraction has 4830 states and 6230 transitions. [2019-10-13 20:26:37,442 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:26:37,442 INFO L276 IsEmpty]: Start isEmpty. Operand 4830 states and 6230 transitions. [2019-10-13 20:26:37,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-10-13 20:26:37,456 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:26:37,456 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] [2019-10-13 20:26:37,456 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:26:37,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:26:37,457 INFO L82 PathProgramCache]: Analyzing trace with hash -574461963, now seen corresponding path program 1 times [2019-10-13 20:26:37,457 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:26:37,457 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583466234] [2019-10-13 20:26:37,457 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:26:37,458 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:26:37,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:26:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:26:37,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2121 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2115 trivial. 0 not checked. [2019-10-13 20:26:37,848 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583466234] [2019-10-13 20:26:37,849 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:26:37,849 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:26:37,849 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241750684] [2019-10-13 20:26:37,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:26:37,853 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:26:37,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:26:37,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:26:37,854 INFO L87 Difference]: Start difference. First operand 4830 states and 6230 transitions. Second operand 5 states. [2019-10-13 20:26:46,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:26:46,541 INFO L93 Difference]: Finished difference Result 10733 states and 13850 transitions. [2019-10-13 20:26:46,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 20:26:46,541 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 328 [2019-10-13 20:26:46,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:26:46,580 INFO L225 Difference]: With dead ends: 10733 [2019-10-13 20:26:46,580 INFO L226 Difference]: Without dead ends: 5975 [2019-10-13 20:26:47,143 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 20:26:47,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5975 states. [2019-10-13 20:26:47,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5975 to 5969. [2019-10-13 20:26:47,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5969 states. [2019-10-13 20:26:47,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5969 states to 5969 states and 7703 transitions. [2019-10-13 20:26:47,475 INFO L78 Accepts]: Start accepts. Automaton has 5969 states and 7703 transitions. Word has length 328 [2019-10-13 20:26:47,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:26:47,476 INFO L462 AbstractCegarLoop]: Abstraction has 5969 states and 7703 transitions. [2019-10-13 20:26:47,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 20:26:47,477 INFO L276 IsEmpty]: Start isEmpty. Operand 5969 states and 7703 transitions. [2019-10-13 20:26:47,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2019-10-13 20:26:47,495 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:26:47,495 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] [2019-10-13 20:26:47,496 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:26:47,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:26:47,497 INFO L82 PathProgramCache]: Analyzing trace with hash 2080585669, now seen corresponding path program 1 times [2019-10-13 20:26:47,497 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:26:47,497 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515807636] [2019-10-13 20:26:47,499 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:26:47,499 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:26:47,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:26:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:26:47,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2151 trivial. 0 not checked. [2019-10-13 20:26:47,851 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515807636] [2019-10-13 20:26:47,851 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:26:47,851 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:26:47,852 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993962723] [2019-10-13 20:26:47,853 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:26:47,854 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:26:47,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:26:47,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:26:47,855 INFO L87 Difference]: Start difference. First operand 5969 states and 7703 transitions. Second operand 3 states. [2019-10-13 20:26:48,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:26:48,370 INFO L93 Difference]: Finished difference Result 15029 states and 19338 transitions. [2019-10-13 20:26:48,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:26:48,371 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 342 [2019-10-13 20:26:48,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:26:48,431 INFO L225 Difference]: With dead ends: 15029 [2019-10-13 20:26:48,431 INFO L226 Difference]: Without dead ends: 9132 [2019-10-13 20:26:48,462 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:26:48,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9132 states. [2019-10-13 20:26:49,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9132 to 9095. [2019-10-13 20:26:49,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9095 states. [2019-10-13 20:26:49,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9095 states to 9095 states and 11637 transitions. [2019-10-13 20:26:49,047 INFO L78 Accepts]: Start accepts. Automaton has 9095 states and 11637 transitions. Word has length 342 [2019-10-13 20:26:49,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:26:49,049 INFO L462 AbstractCegarLoop]: Abstraction has 9095 states and 11637 transitions. [2019-10-13 20:26:49,049 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:26:49,049 INFO L276 IsEmpty]: Start isEmpty. Operand 9095 states and 11637 transitions. [2019-10-13 20:26:49,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2019-10-13 20:26:49,065 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:26:49,065 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] [2019-10-13 20:26:49,066 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:26:49,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:26:49,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1238437555, now seen corresponding path program 1 times [2019-10-13 20:26:49,067 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:26:49,067 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202568589] [2019-10-13 20:26:49,067 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:26:49,067 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:26:49,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:26:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:26:49,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2135 trivial. 0 not checked. [2019-10-13 20:26:49,350 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202568589] [2019-10-13 20:26:49,350 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:26:49,350 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:26:49,356 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879634344] [2019-10-13 20:26:49,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:26:49,357 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:26:49,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:26:49,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:26:49,357 INFO L87 Difference]: Start difference. First operand 9095 states and 11637 transitions. Second operand 3 states. [2019-10-13 20:26:49,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:26:49,971 INFO L93 Difference]: Finished difference Result 22079 states and 28075 transitions. [2019-10-13 20:26:49,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:26:49,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 341 [2019-10-13 20:26:49,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:26:50,052 INFO L225 Difference]: With dead ends: 22079 [2019-10-13 20:26:50,053 INFO L226 Difference]: Without dead ends: 13056 [2019-10-13 20:26:50,091 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:26:50,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13056 states. [2019-10-13 20:26:50,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13056 to 13027. [2019-10-13 20:26:50,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13027 states. [2019-10-13 20:26:50,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13027 states to 13027 states and 16415 transitions. [2019-10-13 20:26:50,825 INFO L78 Accepts]: Start accepts. Automaton has 13027 states and 16415 transitions. Word has length 341 [2019-10-13 20:26:50,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:26:50,826 INFO L462 AbstractCegarLoop]: Abstraction has 13027 states and 16415 transitions. [2019-10-13 20:26:50,826 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:26:50,826 INFO L276 IsEmpty]: Start isEmpty. Operand 13027 states and 16415 transitions. [2019-10-13 20:26:50,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2019-10-13 20:26:50,844 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:26:50,845 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] [2019-10-13 20:26:50,845 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:26:50,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:26:50,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1683320431, now seen corresponding path program 1 times [2019-10-13 20:26:50,846 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:26:50,846 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28920552] [2019-10-13 20:26:50,847 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:26:50,847 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:26:50,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:26:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:26:51,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2121 trivial. 0 not checked. [2019-10-13 20:26:51,150 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28920552] [2019-10-13 20:26:51,150 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:26:51,150 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:26:51,151 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082666592] [2019-10-13 20:26:51,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:26:51,152 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:26:51,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:26:51,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:26:51,153 INFO L87 Difference]: Start difference. First operand 13027 states and 16415 transitions. Second operand 5 states.