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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -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 0.1.24-673a906-m [2019-10-03 00:02:29,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 00:02:29,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 00:02:29,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 00:02:29,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 00:02:29,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 00:02:29,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 00:02:29,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 00:02:29,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 00:02:29,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 00:02:29,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 00:02:29,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 00:02:29,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 00:02:29,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 00:02:29,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 00:02:29,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 00:02:29,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 00:02:29,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 00:02:29,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 00:02:29,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 00:02:29,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 00:02:29,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 00:02:29,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 00:02:29,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 00:02:29,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 00:02:29,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 00:02:29,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 00:02:29,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 00:02:29,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 00:02:29,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 00:02:29,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 00:02:29,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 00:02:29,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 00:02:29,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 00:02:29,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 00:02:29,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 00:02:29,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 00:02:29,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 00:02:29,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 00:02:29,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 00:02:29,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 00:02:29,379 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 00:02:29,403 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 00:02:29,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 00:02:29,404 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 00:02:29,404 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 00:02:29,405 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 00:02:29,405 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 00:02:29,405 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 00:02:29,405 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 00:02:29,405 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 00:02:29,406 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 00:02:29,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 00:02:29,408 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 00:02:29,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 00:02:29,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 00:02:29,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 00:02:29,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 00:02:29,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 00:02:29,410 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 00:02:29,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 00:02:29,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 00:02:29,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 00:02:29,411 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 00:02:29,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 00:02:29,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:02:29,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 00:02:29,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 00:02:29,412 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 00:02:29,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 00:02:29,412 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 00:02:29,412 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 00:02:29,463 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 00:02:29,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 00:02:29,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 00:02:29,482 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 00:02:29,482 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 00:02:29,483 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2019-10-03 00:02:29,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec0908df0/d4aa99edb22d459d919ca635edc89aa4/FLAGd1030d41c [2019-10-03 00:02:30,475 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 00:02:30,476 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2019-10-03 00:02:30,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec0908df0/d4aa99edb22d459d919ca635edc89aa4/FLAGd1030d41c [2019-10-03 00:02:30,981 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec0908df0/d4aa99edb22d459d919ca635edc89aa4 [2019-10-03 00:02:30,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 00:02:30,993 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 00:02:30,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 00:02:30,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 00:02:30,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 00:02:30,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:02:30" (1/1) ... [2019-10-03 00:02:31,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e243b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:02:31, skipping insertion in model container [2019-10-03 00:02:31,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:02:30" (1/1) ... [2019-10-03 00:02:31,011 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 00:02:31,163 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 00:02:33,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:02:33,480 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 00:02:33,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:02:34,125 INFO L192 MainTranslator]: Completed translation [2019-10-03 00:02:34,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:02:34 WrapperNode [2019-10-03 00:02:34,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 00:02:34,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 00:02:34,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 00:02:34,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 00:02:34,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:02:34" (1/1) ... [2019-10-03 00:02:34,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:02:34" (1/1) ... [2019-10-03 00:02:34,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:02:34" (1/1) ... [2019-10-03 00:02:34,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:02:34" (1/1) ... [2019-10-03 00:02:34,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:02:34" (1/1) ... [2019-10-03 00:02:34,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:02:34" (1/1) ... [2019-10-03 00:02:34,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:02:34" (1/1) ... [2019-10-03 00:02:34,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 00:02:34,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 00:02:34,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 00:02:34,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 00:02:34,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:02:34" (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 [2019-10-03 00:02:34,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 00:02:34,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 00:02:34,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-03 00:02:34,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-03 00:02:34,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-03 00:02:34,535 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-03 00:02:34,535 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-03 00:02:34,535 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-03 00:02:34,535 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-03 00:02:34,536 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-03 00:02:34,536 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-03 00:02:34,538 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-03 00:02:34,539 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-03 00:02:34,540 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2019-10-03 00:02:34,541 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2019-10-03 00:02:34,543 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_write_access [2019-10-03 00:02:34,543 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-03 00:02:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure insert_binfmt [2019-10-03 00:02:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-03 00:02:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-03 00:02:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure string_unescape_inplace [2019-10-03 00:02:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure check_file [2019-10-03 00:02:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure load_misc_binary [2019-10-03 00:02:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure scanarg [2019-10-03 00:02:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure check_special_flags [2019-10-03 00:02:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure create_entry [2019-10-03 00:02:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_command [2019-10-03 00:02:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_status [2019-10-03 00:02:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_get_inode [2019-10-03 00:02:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_evict_inode [2019-10-03 00:02:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_node [2019-10-03 00:02:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_read [2019-10-03 00:02:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_write [2019-10-03 00:02:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_register_write [2019-10-03 00:02:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_read [2019-10-03 00:02:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_write [2019-10-03 00:02:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_fill_super [2019-10-03 00:02:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_mount [2019-10-03 00:02:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure init_misc_binfmt [2019-10-03 00:02:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_misc_binfmt [2019-10-03 00:02:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2019-10-03 00:02:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_init_misc_binfmt_7_11 [2019-10-03 00:02:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-10-03 00:02:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_5_1 [2019-10-03 00:02:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_5_7_4 [2019-10-03 00:02:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_file_operations_instance_1_7_5 [2019-10-03 00:02:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_6_2 [2019-10-03 00:02:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_5_7_6 [2019-10-03 00:02:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_file_operations_instance_1_7_7 [2019-10-03 00:02:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-03 00:02:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_7 [2019-10-03 00:02:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_8 [2019-10-03 00:02:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-03 00:02:34,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_7 [2019-10-03 00:02:34,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_7 [2019-10-03 00:02:34,551 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 00:02:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_0 [2019-10-03 00:02:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_1 [2019-10-03 00:02:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_2 [2019-10-03 00:02:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_22 [2019-10-03 00:02:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_5 [2019-10-03 00:02:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_1_22 [2019-10-03 00:02:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_1_5 [2019-10-03 00:02:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_2_22 [2019-10-03 00:02:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_2_5 [2019-10-03 00:02:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_0_12 [2019-10-03 00:02:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_1_12 [2019-10-03 00:02:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_2_12 [2019-10-03 00:02:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_0_4 [2019-10-03 00:02:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_1_4 [2019-10-03 00:02:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_2_4 [2019-10-03 00:02:34,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-10-03 00:02:34,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_filesystem [2019-10-03 00:02:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_linux_binfmt_dummy_resourceless_instance_3 [2019-10-03 00:02:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_super_operations_dummy_resourceless_instance_4 [2019-10-03 00:02:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-10-03 00:02:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-10-03 00:02:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2019-10-03 00:02:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_15 [2019-10-03 00:02:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2019-10-03 00:02:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_15 [2019-10-03 00:02:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2019-10-03 00:02:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_15 [2019-10-03 00:02:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2019-10-03 00:02:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-10-03 00:02:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_5 [2019-10-03 00:02:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-10-03 00:02:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_5 [2019-10-03 00:02:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_filesystem [2019-10-03 00:02:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-03 00:02:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-03 00:02:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-03 00:02:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2019-10-03 00:02:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-03 00:02:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-10-03 00:02:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-03 00:02:34,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-03 00:02:34,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-10-03 00:02:34,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_filesystem_19 [2019-10-03 00:02:34,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_filesystem_20 [2019-10-03 00:02:34,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-03 00:02:34,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-03 00:02:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-03 00:02:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 00:02:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 00:02:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 00:02:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 00:02:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-03 00:02:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-03 00:02:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-03 00:02:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-03 00:02:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-03 00:02:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-03 00:02:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 00:02:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 00:02:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-03 00:02:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 00:02:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-03 00:02:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 00:02:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-03 00:02:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-03 00:02:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-03 00:02:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-03 00:02:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-03 00:02:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-03 00:02:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-03 00:02:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 00:02:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 00:02:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 00:02:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-03 00:02:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-03 00:02:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-03 00:02:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-03 00:02:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-03 00:02:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-03 00:02:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-03 00:02:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2019-10-03 00:02:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-03 00:02:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-03 00:02:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-03 00:02:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-03 00:02:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-03 00:02:34,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock [2019-10-03 00:02:34,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-03 00:02:34,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-03 00:02:34,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-03 00:02:34,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-03 00:02:34,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-03 00:02:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_device [2019-10-03 00:02:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-03 00:02:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-03 00:02:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-03 00:02:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-03 00:02:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 00:02:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 00:02:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2019-10-03 00:02:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2019-10-03 00:02:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2019-10-03 00:02:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2019-10-03 00:02:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-03 00:02:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-10-03 00:02:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-03 00:02:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-03 00:02:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_binfmt [2019-10-03 00:02:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-03 00:02:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-10-03 00:02:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-10-03 00:02:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2019-10-03 00:02:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2019-10-03 00:02:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure bprm_change_interp [2019-10-03 00:02:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_inode [2019-10-03 00:02:34,571 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_strings_kernel [2019-10-03 00:02:34,571 INFO L138 BoogieDeclarations]: Found implementation of procedure current_fs_time [2019-10-03 00:02:34,571 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2019-10-03 00:02:34,571 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2019-10-03 00:02:34,571 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2019-10-03 00:02:34,571 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2019-10-03 00:02:34,571 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_nlink [2019-10-03 00:02:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-03 00:02:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2019-10-03 00:02:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-03 00:02:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2019-10-03 00:02:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_ino [2019-10-03 00:02:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2019-10-03 00:02:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure iput [2019-10-03 00:02:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_read [2019-10-03 00:02:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_litter_super [2019-10-03 00:02:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-03 00:02:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-03 00:02:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-03 00:02:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure lockref_get [2019-10-03 00:02:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup_one_len [2019-10-03 00:02:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-03 00:02:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure mount_single [2019-10-03 00:02:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure new_inode [2019-10-03 00:02:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-03 00:02:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure open_exec [2019-10-03 00:02:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_binprm [2019-10-03 00:02:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure register_filesystem [2019-10-03 00:02:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_arg_zero [2019-10-03 00:02:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure search_binary_handler [2019-10-03 00:02:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_fill_super [2019-10-03 00:02:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_pin_fs [2019-10-03 00:02:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2019-10-03 00:02:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_release_fs [2019-10-03 00:02:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2019-10-03 00:02:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2019-10-03 00:02:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure string_unescape [2019-10-03 00:02:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-03 00:02:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_close [2019-10-03 00:02:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_binfmt [2019-10-03 00:02:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_filesystem [2019-10-03 00:02:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure would_dump [2019-10-03 00:02:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 00:02:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 00:02:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 00:02:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 00:02:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 00:02:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 00:02:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 00:02:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 00:02:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2019-10-03 00:02:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-10-03 00:02:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-03 00:02:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-03 00:02:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-03 00:02:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 00:02:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-03 00:02:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-03 00:02:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 00:02:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-03 00:02:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 00:02:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 00:02:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-03 00:02:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-03 00:02:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-03 00:02:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-03 00:02:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 00:02:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-03 00:02:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-03 00:02:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 00:02:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-03 00:02:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-03 00:02:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-03 00:02:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-03 00:02:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-03 00:02:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-03 00:02:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 00:02:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-03 00:02:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2019-10-03 00:02:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-03 00:02:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-03 00:02:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-03 00:02:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-03 00:02:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 00:02:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-03 00:02:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-03 00:02:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-03 00:02:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2019-10-03 00:02:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-10-03 00:02:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-03 00:02:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-03 00:02:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-03 00:02:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-10-03 00:02:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-10-03 00:02:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2019-10-03 00:02:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-10-03 00:02:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2019-10-03 00:02:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure lockref_get [2019-10-03 00:02:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2019-10-03 00:02:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2019-10-03 00:02:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2019-10-03 00:02:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2019-10-03 00:02:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure current_fs_time [2019-10-03 00:02:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure drop_nlink [2019-10-03 00:02:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure mount_single [2019-10-03 00:02:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure kill_litter_super [2019-10-03 00:02:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure register_filesystem [2019-10-03 00:02:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_filesystem_19 [2019-10-03 00:02:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_filesystem [2019-10-03 00:02:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_filesystem_20 [2019-10-03 00:02:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure iput [2019-10-03 00:02:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2019-10-03 00:02:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure allow_write_access [2019-10-03 00:02:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_read [2019-10-03 00:02:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure open_exec [2019-10-03 00:02:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2019-10-03 00:02:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_ino [2019-10-03 00:02:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure clear_inode [2019-10-03 00:02:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure new_inode [2019-10-03 00:02:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-03 00:02:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2019-10-03 00:02:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure simple_fill_super [2019-10-03 00:02:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure simple_pin_fs [2019-10-03 00:02:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure simple_release_fs [2019-10-03 00:02:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2019-10-03 00:02:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-10-03 00:02:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2019-10-03 00:02:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-03 00:02:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-03 00:02:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-03 00:02:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure __register_binfmt [2019-10-03 00:02:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure insert_binfmt [2019-10-03 00:02:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_binfmt [2019-10-03 00:02:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_binprm [2019-10-03 00:02:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure remove_arg_zero [2019-10-03 00:02:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure search_binary_handler [2019-10-03 00:02:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure would_dump [2019-10-03 00:02:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure bprm_change_interp [2019-10-03 00:02:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure copy_strings_kernel [2019-10-03 00:02:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 00:02:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 00:02:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-03 00:02:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-03 00:02:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure string_unescape [2019-10-03 00:02:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure string_unescape_inplace [2019-10-03 00:02:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-03 00:02:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2019-10-03 00:02:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2019-10-03 00:02:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure lookup_one_len [2019-10-03 00:02:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure sys_close [2019-10-03 00:02:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 00:02:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure check_file [2019-10-03 00:02:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure load_misc_binary [2019-10-03 00:02:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 00:02:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 00:02:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 00:02:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure scanarg [2019-10-03 00:02:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure check_special_flags [2019-10-03 00:02:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure create_entry [2019-10-03 00:02:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure parse_command [2019-10-03 00:02:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure entry_status [2019-10-03 00:02:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure bm_get_inode [2019-10-03 00:02:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure bm_evict_inode [2019-10-03 00:02:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure kill_node [2019-10-03 00:02:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_read [2019-10-03 00:02:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_write [2019-10-03 00:02:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure bm_register_write [2019-10-03 00:02:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_read [2019-10-03 00:02:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_write [2019-10-03 00:02:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure bm_fill_super [2019-10-03 00:02:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure bm_mount [2019-10-03 00:02:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure init_misc_binfmt [2019-10-03 00:02:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure exit_misc_binfmt [2019-10-03 00:02:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2019-10-03 00:02:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_init_misc_binfmt_7_11 [2019-10-03 00:02:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-10-03 00:02:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_5_1 [2019-10-03 00:02:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_5_7_4 [2019-10-03 00:02:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_file_operations_instance_1_7_5 [2019-10-03 00:02:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_6_2 [2019-10-03 00:02:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_5_7_6 [2019-10-03 00:02:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_file_operations_instance_1_7_7 [2019-10-03 00:02:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-03 00:02:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_7 [2019-10-03 00:02:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_8 [2019-10-03 00:02:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-03 00:02:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_7 [2019-10-03 00:02:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_7 [2019-10-03 00:02:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 00:02:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_0 [2019-10-03 00:02:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_1 [2019-10-03 00:02:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_2 [2019-10-03 00:02:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_22 [2019-10-03 00:02:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_5 [2019-10-03 00:02:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_1_22 [2019-10-03 00:02:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_1_5 [2019-10-03 00:02:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_2_22 [2019-10-03 00:02:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_2_5 [2019-10-03 00:02:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_0_12 [2019-10-03 00:02:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_1_12 [2019-10-03 00:02:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_2_12 [2019-10-03 00:02:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_0_4 [2019-10-03 00:02:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_1_4 [2019-10-03 00:02:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_2_4 [2019-10-03 00:02:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-10-03 00:02:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_filesystem [2019-10-03 00:02:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_linux_binfmt_dummy_resourceless_instance_3 [2019-10-03 00:02:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_super_operations_dummy_resourceless_instance_4 [2019-10-03 00:02:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-10-03 00:02:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-10-03 00:02:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2019-10-03 00:02:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_15 [2019-10-03 00:02:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2019-10-03 00:02:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_15 [2019-10-03 00:02:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2019-10-03 00:02:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_15 [2019-10-03 00:02:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2019-10-03 00:02:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-10-03 00:02:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_5 [2019-10-03 00:02:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-10-03 00:02:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_5 [2019-10-03 00:02:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_filesystem [2019-10-03 00:02:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-03 00:02:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-03 00:02:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-03 00:02:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-03 00:02:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-03 00:02:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 00:02:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-03 00:02:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 00:02:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-03 00:02:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-03 00:02:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-03 00:02:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-03 00:02:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-03 00:02:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-03 00:02:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-03 00:02:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-03 00:02:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-03 00:02:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-03 00:02:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-03 00:02:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-03 00:02:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 00:02:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 00:02:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 00:02:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 00:02:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 00:02:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 00:02:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 00:02:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-03 00:02:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-03 00:02:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 00:02:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 00:02:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 00:02:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-03 00:02:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-03 00:02:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-03 00:02:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-03 00:02:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-03 00:02:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2019-10-03 00:02:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2019-10-03 00:02:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2019-10-03 00:02:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2019-10-03 00:02:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2019-10-03 00:02:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-03 00:02:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-03 00:02:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-03 00:02:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-03 00:02:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock [2019-10-03 00:02:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-03 00:02:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-03 00:02:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-03 00:02:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-03 00:02:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-03 00:02:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_device [2019-10-03 00:02:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-03 00:02:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-03 00:02:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-03 00:02:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-03 00:02:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 00:02:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 00:02:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 00:02:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-03 00:02:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-03 00:02:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 00:02:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 00:02:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 00:02:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 00:02:35,525 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 00:02:38,390 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-10-03 00:02:40,652 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 00:02:40,653 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-03 00:02:40,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:02:40 BoogieIcfgContainer [2019-10-03 00:02:40,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 00:02:40,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 00:02:40,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 00:02:40,662 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 00:02:40,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 12:02:30" (1/3) ... [2019-10-03 00:02:40,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dcd98f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:02:40, skipping insertion in model container [2019-10-03 00:02:40,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:02:34" (2/3) ... [2019-10-03 00:02:40,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dcd98f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:02:40, skipping insertion in model container [2019-10-03 00:02:40,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:02:40" (3/3) ... [2019-10-03 00:02:40,668 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2019-10-03 00:02:40,681 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 00:02:40,704 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-03 00:02:40,726 INFO L252 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-03 00:02:40,768 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 00:02:40,769 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 00:02:40,769 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 00:02:40,769 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 00:02:40,769 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 00:02:40,769 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 00:02:40,769 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 00:02:40,770 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 00:02:40,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states. [2019-10-03 00:02:40,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-10-03 00:02:40,880 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:02:40,882 INFO L411 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] [2019-10-03 00:02:40,885 INFO L418 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]=== [2019-10-03 00:02:40,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:02:40,893 INFO L82 PathProgramCache]: Analyzing trace with hash -346855577, now seen corresponding path program 1 times [2019-10-03 00:02:40,895 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:02:40,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:02:40,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:02:40,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:02:40,996 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:02:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:02:41,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2100 trivial. 0 not checked. [2019-10-03 00:02:41,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:02:41,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:02:41,842 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:02:41,851 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:02:41,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:02:41,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:02:41,872 INFO L87 Difference]: Start difference. First operand 1583 states. Second operand 3 states. [2019-10-03 00:02:42,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:02:42,170 INFO L93 Difference]: Finished difference Result 2560 states and 3300 transitions. [2019-10-03 00:02:42,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:02:42,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2019-10-03 00:02:42,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:02:42,224 INFO L225 Difference]: With dead ends: 2560 [2019-10-03 00:02:42,224 INFO L226 Difference]: Without dead ends: 2541 [2019-10-03 00:02:42,226 INFO L640 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 [2019-10-03 00:02:42,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2541 states. [2019-10-03 00:02:42,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2541 to 2528. [2019-10-03 00:02:42,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2528 states. [2019-10-03 00:02:42,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 2528 states and 3256 transitions. [2019-10-03 00:02:42,476 INFO L78 Accepts]: Start accepts. Automaton has 2528 states and 3256 transitions. Word has length 269 [2019-10-03 00:02:42,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:02:42,478 INFO L475 AbstractCegarLoop]: Abstraction has 2528 states and 3256 transitions. [2019-10-03 00:02:42,478 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:02:42,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 3256 transitions. [2019-10-03 00:02:42,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-10-03 00:02:42,489 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:02:42,489 INFO L411 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] [2019-10-03 00:02:42,490 INFO L418 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]=== [2019-10-03 00:02:42,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:02:42,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1736032164, now seen corresponding path program 1 times [2019-10-03 00:02:42,491 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:02:42,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:02:42,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:02:42,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:02:42,587 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:02:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:02:42,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2104 trivial. 0 not checked. [2019-10-03 00:02:42,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:02:42,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:02:42,941 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:02:42,954 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:02:42,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:02:42,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:02:42,955 INFO L87 Difference]: Start difference. First operand 2528 states and 3256 transitions. Second operand 3 states. [2019-10-03 00:02:43,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:02:43,170 INFO L93 Difference]: Finished difference Result 3709 states and 4771 transitions. [2019-10-03 00:02:43,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:02:43,171 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2019-10-03 00:02:43,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:02:43,202 INFO L225 Difference]: With dead ends: 3709 [2019-10-03 00:02:43,202 INFO L226 Difference]: Without dead ends: 3709 [2019-10-03 00:02:43,203 INFO L640 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 [2019-10-03 00:02:43,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3709 states. [2019-10-03 00:02:43,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3709 to 3696. [2019-10-03 00:02:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3696 states. [2019-10-03 00:02:43,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3696 states to 3696 states and 4759 transitions. [2019-10-03 00:02:43,400 INFO L78 Accepts]: Start accepts. Automaton has 3696 states and 4759 transitions. Word has length 302 [2019-10-03 00:02:43,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:02:43,401 INFO L475 AbstractCegarLoop]: Abstraction has 3696 states and 4759 transitions. [2019-10-03 00:02:43,402 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:02:43,402 INFO L276 IsEmpty]: Start isEmpty. Operand 3696 states and 4759 transitions. [2019-10-03 00:02:43,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2019-10-03 00:02:43,418 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:02:43,419 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 3, 3, 3, 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] [2019-10-03 00:02:43,420 INFO L418 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]=== [2019-10-03 00:02:43,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:02:43,420 INFO L82 PathProgramCache]: Analyzing trace with hash 557704535, now seen corresponding path program 1 times [2019-10-03 00:02:43,421 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:02:43,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:02:43,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:02:43,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:02:43,434 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:02:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:02:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2115 trivial. 0 not checked. [2019-10-03 00:02:43,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:02:43,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:02:43,952 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:02:43,954 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:02:43,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:02:43,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:02:43,954 INFO L87 Difference]: Start difference. First operand 3696 states and 4759 transitions. Second operand 5 states. [2019-10-03 00:02:57,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:02:57,624 INFO L93 Difference]: Finished difference Result 4841 states and 6239 transitions. [2019-10-03 00:02:57,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 00:02:57,624 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 329 [2019-10-03 00:02:57,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:02:57,654 INFO L225 Difference]: With dead ends: 4841 [2019-10-03 00:02:57,654 INFO L226 Difference]: Without dead ends: 4841 [2019-10-03 00:02:57,655 INFO L640 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 [2019-10-03 00:02:57,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4841 states. [2019-10-03 00:02:57,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4841 to 4835. [2019-10-03 00:02:57,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4835 states. [2019-10-03 00:02:57,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4835 states to 4835 states and 6232 transitions. [2019-10-03 00:02:57,832 INFO L78 Accepts]: Start accepts. Automaton has 4835 states and 6232 transitions. Word has length 329 [2019-10-03 00:02:57,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:02:57,836 INFO L475 AbstractCegarLoop]: Abstraction has 4835 states and 6232 transitions. [2019-10-03 00:02:57,836 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:02:57,837 INFO L276 IsEmpty]: Start isEmpty. Operand 4835 states and 6232 transitions. [2019-10-03 00:02:57,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-10-03 00:02:57,847 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:02:57,847 INFO L411 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] [2019-10-03 00:02:57,848 INFO L418 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]=== [2019-10-03 00:02:57,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:02:57,848 INFO L82 PathProgramCache]: Analyzing trace with hash -300082034, now seen corresponding path program 1 times [2019-10-03 00:02:57,849 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:02:57,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:02:57,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:02:57,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:02:57,863 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:02:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:02:58,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2104 trivial. 0 not checked. [2019-10-03 00:02:58,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:02:58,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:02:58,170 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:02:58,171 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:02:58,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:02:58,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:02:58,172 INFO L87 Difference]: Start difference. First operand 4835 states and 6232 transitions. Second operand 3 states. [2019-10-03 00:02:58,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:02:58,322 INFO L93 Difference]: Finished difference Result 5982 states and 7715 transitions. [2019-10-03 00:02:58,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:02:58,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 303 [2019-10-03 00:02:58,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:02:58,360 INFO L225 Difference]: With dead ends: 5982 [2019-10-03 00:02:58,360 INFO L226 Difference]: Without dead ends: 5982 [2019-10-03 00:02:58,361 INFO L640 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 [2019-10-03 00:02:58,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5982 states. [2019-10-03 00:02:58,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5982 to 5969. [2019-10-03 00:02:58,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5969 states. [2019-10-03 00:02:58,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5969 states to 5969 states and 7703 transitions. [2019-10-03 00:02:58,599 INFO L78 Accepts]: Start accepts. Automaton has 5969 states and 7703 transitions. Word has length 303 [2019-10-03 00:02:58,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:02:58,600 INFO L475 AbstractCegarLoop]: Abstraction has 5969 states and 7703 transitions. [2019-10-03 00:02:58,601 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:02:58,601 INFO L276 IsEmpty]: Start isEmpty. Operand 5969 states and 7703 transitions. [2019-10-03 00:02:58,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2019-10-03 00:02:58,623 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:02:58,623 INFO L411 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] [2019-10-03 00:02:58,624 INFO L418 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]=== [2019-10-03 00:02:58,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:02:58,624 INFO L82 PathProgramCache]: Analyzing trace with hash -267048763, now seen corresponding path program 1 times [2019-10-03 00:02:58,625 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:02:58,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:02:58,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:02:58,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:02:58,636 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:02:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:02:59,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2151 trivial. 0 not checked. [2019-10-03 00:02:59,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:02:59,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:02:59,021 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:02:59,022 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:02:59,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:02:59,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:02:59,023 INFO L87 Difference]: Start difference. First operand 5969 states and 7703 transitions. Second operand 3 states. [2019-10-03 00:02:59,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:02:59,334 INFO L93 Difference]: Finished difference Result 9132 states and 11677 transitions. [2019-10-03 00:02:59,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:02:59,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 342 [2019-10-03 00:02:59,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:02:59,388 INFO L225 Difference]: With dead ends: 9132 [2019-10-03 00:02:59,388 INFO L226 Difference]: Without dead ends: 9132 [2019-10-03 00:02:59,388 INFO L640 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 [2019-10-03 00:02:59,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9132 states. [2019-10-03 00:02:59,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9132 to 9095. [2019-10-03 00:02:59,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9095 states. [2019-10-03 00:02:59,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9095 states to 9095 states and 11637 transitions. [2019-10-03 00:02:59,700 INFO L78 Accepts]: Start accepts. Automaton has 9095 states and 11637 transitions. Word has length 342 [2019-10-03 00:02:59,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:02:59,700 INFO L475 AbstractCegarLoop]: Abstraction has 9095 states and 11637 transitions. [2019-10-03 00:02:59,700 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:02:59,701 INFO L276 IsEmpty]: Start isEmpty. Operand 9095 states and 11637 transitions. [2019-10-03 00:02:59,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2019-10-03 00:02:59,717 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:02:59,718 INFO L411 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] [2019-10-03 00:02:59,718 INFO L418 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]=== [2019-10-03 00:02:59,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:02:59,719 INFO L82 PathProgramCache]: Analyzing trace with hash -925521593, now seen corresponding path program 1 times [2019-10-03 00:02:59,719 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:02:59,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:02:59,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:02:59,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:02:59,729 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:02:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:03:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2135 trivial. 0 not checked. [2019-10-03 00:03:00,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:03:00,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:03:00,011 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:03:00,012 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:03:00,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:03:00,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:03:00,013 INFO L87 Difference]: Start difference. First operand 9095 states and 11637 transitions. Second operand 3 states. [2019-10-03 00:03:00,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:03:00,301 INFO L93 Difference]: Finished difference Result 13056 states and 16447 transitions. [2019-10-03 00:03:00,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:03:00,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 341 [2019-10-03 00:03:00,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:03:00,370 INFO L225 Difference]: With dead ends: 13056 [2019-10-03 00:03:00,370 INFO L226 Difference]: Without dead ends: 13056 [2019-10-03 00:03:00,370 INFO L640 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 [2019-10-03 00:03:00,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13056 states. [2019-10-03 00:03:00,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13056 to 13027. [2019-10-03 00:03:00,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13027 states. [2019-10-03 00:03:00,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13027 states to 13027 states and 16415 transitions. [2019-10-03 00:03:00,790 INFO L78 Accepts]: Start accepts. Automaton has 13027 states and 16415 transitions. Word has length 341 [2019-10-03 00:03:00,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:03:00,791 INFO L475 AbstractCegarLoop]: Abstraction has 13027 states and 16415 transitions. [2019-10-03 00:03:00,791 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:03:00,791 INFO L276 IsEmpty]: Start isEmpty. Operand 13027 states and 16415 transitions. [2019-10-03 00:03:00,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2019-10-03 00:03:00,815 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:03:00,816 INFO L411 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] [2019-10-03 00:03:00,817 INFO L418 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]=== [2019-10-03 00:03:00,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:03:00,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1199490735, now seen corresponding path program 1 times [2019-10-03 00:03:00,818 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:03:00,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:03:00,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:03:00,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:03:00,831 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:03:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:03:01,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2121 trivial. 0 not checked. [2019-10-03 00:03:01,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:03:01,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:03:01,345 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:03:01,346 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:03:01,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:03:01,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:03:01,347 INFO L87 Difference]: Start difference. First operand 13027 states and 16415 transitions. Second operand 5 states. [2019-10-03 00:03:13,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:03:13,068 INFO L93 Difference]: Finished difference Result 16758 states and 21143 transitions. [2019-10-03 00:03:13,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 00:03:13,069 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 331 [2019-10-03 00:03:13,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:03:13,160 INFO L225 Difference]: With dead ends: 16758 [2019-10-03 00:03:13,160 INFO L226 Difference]: Without dead ends: 16758 [2019-10-03 00:03:13,161 INFO L640 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 [2019-10-03 00:03:13,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16758 states. [2019-10-03 00:03:13,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16758 to 16748. [2019-10-03 00:03:13,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16748 states. [2019-10-03 00:03:13,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16748 states to 16748 states and 21124 transitions. [2019-10-03 00:03:13,751 INFO L78 Accepts]: Start accepts. Automaton has 16748 states and 21124 transitions. Word has length 331 [2019-10-03 00:03:13,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:03:13,752 INFO L475 AbstractCegarLoop]: Abstraction has 16748 states and 21124 transitions. [2019-10-03 00:03:13,753 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:03:13,753 INFO L276 IsEmpty]: Start isEmpty. Operand 16748 states and 21124 transitions. [2019-10-03 00:03:13,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2019-10-03 00:03:13,770 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:03:13,770 INFO L411 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, 1, 1, 1] [2019-10-03 00:03:13,771 INFO L418 AbstractCegarLoop]: === Iteration 8 === [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]=== [2019-10-03 00:03:13,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:03:13,772 INFO L82 PathProgramCache]: Analyzing trace with hash -816847785, now seen corresponding path program 1 times [2019-10-03 00:03:13,772 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:03:13,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:03:13,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:03:13,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:03:13,784 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:03:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:03:14,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2151 trivial. 0 not checked. [2019-10-03 00:03:14,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:03:14,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:03:14,093 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:03:14,094 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:03:14,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:03:14,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:03:14,095 INFO L87 Difference]: Start difference. First operand 16748 states and 21124 transitions. Second operand 3 states. [2019-10-03 00:03:14,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:03:14,402 INFO L93 Difference]: Finished difference Result 28828 states and 36136 transitions. [2019-10-03 00:03:14,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:03:14,402 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 345 [2019-10-03 00:03:14,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:03:14,535 INFO L225 Difference]: With dead ends: 28828 [2019-10-03 00:03:14,535 INFO L226 Difference]: Without dead ends: 28828 [2019-10-03 00:03:14,536 INFO L640 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 [2019-10-03 00:03:14,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28828 states. [2019-10-03 00:03:15,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28828 to 28805. [2019-10-03 00:03:15,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28805 states. [2019-10-03 00:03:15,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28805 states to 28805 states and 36107 transitions. [2019-10-03 00:03:15,377 INFO L78 Accepts]: Start accepts. Automaton has 28805 states and 36107 transitions. Word has length 345 [2019-10-03 00:03:15,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:03:15,378 INFO L475 AbstractCegarLoop]: Abstraction has 28805 states and 36107 transitions. [2019-10-03 00:03:15,378 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:03:15,378 INFO L276 IsEmpty]: Start isEmpty. Operand 28805 states and 36107 transitions. [2019-10-03 00:03:15,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-10-03 00:03:15,406 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:03:15,406 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 4, 4, 4, 4, 4, 2, 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, 1, 1, 1] [2019-10-03 00:03:15,407 INFO L418 AbstractCegarLoop]: === Iteration 9 === [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]=== [2019-10-03 00:03:15,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:03:15,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1669874825, now seen corresponding path program 1 times [2019-10-03 00:03:15,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:03:15,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:03:15,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:03:15,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:03:15,423 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:03:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:03:16,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2155 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2146 trivial. 0 not checked. [2019-10-03 00:03:16,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:03:16,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:03:16,684 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:03:16,685 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:03:16,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:03:16,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:03:16,685 INFO L87 Difference]: Start difference. First operand 28805 states and 36107 transitions. Second operand 5 states. [2019-10-03 00:03:16,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:03:16,904 INFO L93 Difference]: Finished difference Result 29341 states and 36566 transitions. [2019-10-03 00:03:16,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:03:16,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 354 [2019-10-03 00:03:16,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:03:17,035 INFO L225 Difference]: With dead ends: 29341 [2019-10-03 00:03:17,036 INFO L226 Difference]: Without dead ends: 29341 [2019-10-03 00:03:17,037 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-03 00:03:17,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29341 states. [2019-10-03 00:03:17,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29341 to 29341. [2019-10-03 00:03:17,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29341 states. [2019-10-03 00:03:17,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29341 states to 29341 states and 36566 transitions. [2019-10-03 00:03:17,857 INFO L78 Accepts]: Start accepts. Automaton has 29341 states and 36566 transitions. Word has length 354 [2019-10-03 00:03:17,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:03:17,857 INFO L475 AbstractCegarLoop]: Abstraction has 29341 states and 36566 transitions. [2019-10-03 00:03:17,858 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:03:17,858 INFO L276 IsEmpty]: Start isEmpty. Operand 29341 states and 36566 transitions. [2019-10-03 00:03:17,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2019-10-03 00:03:17,885 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:03:17,886 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 5, 5, 5, 5, 5, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:03:17,891 INFO L418 AbstractCegarLoop]: === Iteration 10 === [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]=== [2019-10-03 00:03:17,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:03:17,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1504220576, now seen corresponding path program 1 times [2019-10-03 00:03:17,892 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:03:17,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:03:17,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:03:17,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:03:17,907 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:03:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:03:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2205 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 2174 trivial. 0 not checked. [2019-10-03 00:03:18,223 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 00:03:18,223 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 00:03:18,225 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 395 with the following transitions: [2019-10-03 00:03:18,228 INFO L207 CegarAbsIntRunner]: [8], [28], [29], [38], [39], [974], [975], [983], [985], [987], [988], [1011], [1013], [1019], [1021], [1022], [1069], [1071], [1072], [1238], [1241], [1242], [1245], [1247], [1272], [1354], [1356], [1357], [1396], [1398], [1399], [1410], [1416], [1417], [1612], [1613], [1919], [1921], [1930], [1932], [1933], [1942], [1943], [2198], [2199], [2200], [2203], [2206], [2209], [2279], [2280], [2292], [2294], [2296], [2298], [2300], [2302], [2304], [2306], [2308], [2310], [2312], [2314], [2316], [2318], [2320], [2322], [2324], [2326], [2328], [2330], [2332], [2334], [2336], [2338], [2340], [2342], [2343], [2358], [2363], [2368], [2373], [2376], [2378], [2383], [2388], [2393], [2396], [2398], [2401], [2423], [2450], [2452], [2454], [2459], [2462], [2561], [2562], [2574], [2575], [2625], [2626], [2905], [2906], [2907], [2908], [2911], [2912], [2931], [2932], [2993], [2994], [2995], [2996], [2997], [2998], [3033], [3034], [3045], [3046], [3189], [3190], [3197], [3198], [3275], [3276], [3277], [3278], [3279], [3280], [3281], [3282], [3311], [3312], [3313], [3314], [3315], [3316], [3317], [3318], [3319], [3320], [3321], [3322], [3323], [3324], [3325], [3326], [3327], [3328], [3329], [3330], [3331], [3332], [3333], [3334], [3335], [3336], [3337], [3338], [3339], [3340], [3341], [3342], [3343], [3344], [3345], [3346], [3347], [3348], [3349], [3350], [3351], [3352], [3353], [3354], [3355], [3356], [3357], [3358], [3359], [3360], [3387], [3388], [3389], [3390], [3403], [3404], [3405], [3409], [3410], [3411], [3412], [3413], [3414], [3415], [3416], [3449], [3450], [3455], [3456], [3457], [3463], [3464], [3465] [2019-10-03 00:03:18,309 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 00:03:18,309 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 00:03:18,457 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 00:03:18,459 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 179 root evaluator evaluations with a maximum evaluation depth of 0. Performed 179 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 380 variables. [2019-10-03 00:03:18,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:03:18,464 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 00:03:18,590 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 00:03:18,590 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 00:03:18,600 INFO L420 sIntCurrentIteration]: We unified 393 AI predicates to 393 [2019-10-03 00:03:18,600 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 00:03:18,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 00:03:18,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2019-10-03 00:03:18,602 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:03:18,602 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 00:03:18,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 00:03:18,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:03:18,603 INFO L87 Difference]: Start difference. First operand 29341 states and 36566 transitions. Second operand 2 states. [2019-10-03 00:03:18,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:03:18,604 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 00:03:18,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 00:03:18,604 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 394 [2019-10-03 00:03:18,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:03:18,605 INFO L225 Difference]: With dead ends: 2 [2019-10-03 00:03:18,605 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 00:03:18,605 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:03:18,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 00:03:18,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 00:03:18,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 00:03:18,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 00:03:18,606 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 394 [2019-10-03 00:03:18,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:03:18,607 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 00:03:18,607 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 00:03:18,607 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 00:03:18,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 00:03:18,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 12:03:18 BoogieIcfgContainer [2019-10-03 00:03:18,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 00:03:18,617 INFO L168 Benchmark]: Toolchain (without parser) took 47622.51 ms. Allocated memory was 139.5 MB in the beginning and 1.1 GB in the end (delta: 967.8 MB). Free memory was 78.1 MB in the beginning and 190.7 MB in the end (delta: -112.6 MB). Peak memory consumption was 855.2 MB. Max. memory is 7.1 GB. [2019-10-03 00:03:18,618 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-03 00:03:18,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3132.31 ms. Allocated memory was 139.5 MB in the beginning and 274.2 MB in the end (delta: 134.7 MB). Free memory was 77.9 MB in the beginning and 189.5 MB in the end (delta: -111.6 MB). Peak memory consumption was 109.3 MB. Max. memory is 7.1 GB. [2019-10-03 00:03:18,620 INFO L168 Benchmark]: Boogie Preprocessor took 322.58 ms. Allocated memory is still 274.2 MB. Free memory was 189.5 MB in the beginning and 168.2 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-10-03 00:03:18,621 INFO L168 Benchmark]: RCFGBuilder took 6206.11 ms. Allocated memory was 274.2 MB in the beginning and 373.8 MB in the end (delta: 99.6 MB). Free memory was 168.2 MB in the beginning and 291.7 MB in the end (delta: -123.6 MB). Peak memory consumption was 211.1 MB. Max. memory is 7.1 GB. [2019-10-03 00:03:18,622 INFO L168 Benchmark]: TraceAbstraction took 37956.09 ms. Allocated memory was 373.8 MB in the beginning and 1.1 GB in the end (delta: 733.5 MB). Free memory was 291.7 MB in the beginning and 190.7 MB in the end (delta: 101.1 MB). Peak memory consumption was 834.5 MB. Max. memory is 7.1 GB. [2019-10-03 00:03:18,625 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3132.31 ms. Allocated memory was 139.5 MB in the beginning and 274.2 MB in the end (delta: 134.7 MB). Free memory was 77.9 MB in the beginning and 189.5 MB in the end (delta: -111.6 MB). Peak memory consumption was 109.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 322.58 ms. Allocated memory is still 274.2 MB. Free memory was 189.5 MB in the beginning and 168.2 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6206.11 ms. Allocated memory was 274.2 MB in the beginning and 373.8 MB in the end (delta: 99.6 MB). Free memory was 168.2 MB in the beginning and 291.7 MB in the end (delta: -123.6 MB). Peak memory consumption was 211.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37956.09 ms. Allocated memory was 373.8 MB in the beginning and 1.1 GB in the end (delta: 733.5 MB). Free memory was 291.7 MB in the beginning and 190.7 MB in the end (delta: 101.1 MB). Peak memory consumption was 834.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7698]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7674]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7686]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7662]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 217 procedures, 1699 locations, 4 error locations. SAFE Result, 37.8s OverallTime, 10 OverallIterations, 25 TraceHistogramMax, 27.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17881 SDtfs, 17192 SDslu, 13545 SDs, 0 SdLazy, 8464 SolverSat, 3365 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 22.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 445 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29341occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.638676844783715 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 144 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 3310 NumberOfCodeBlocks, 3310 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 3300 ConstructedInterpolants, 0 QuantifiedInterpolants, 1211122 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 21348/21355 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...