java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -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 [2019-10-02 05:17:06,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 05:17:06,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 05:17:06,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 05:17:06,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 05:17:06,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 05:17:06,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 05:17:06,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 05:17:06,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 05:17:06,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 05:17:06,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 05:17:06,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 05:17:06,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 05:17:06,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 05:17:06,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 05:17:06,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 05:17:06,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 05:17:06,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 05:17:06,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 05:17:06,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 05:17:06,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 05:17:06,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 05:17:06,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 05:17:06,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 05:17:06,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 05:17:06,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 05:17:06,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 05:17:06,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 05:17:06,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 05:17:06,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 05:17:06,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 05:17:06,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 05:17:06,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 05:17:06,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 05:17:06,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 05:17:06,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 05:17:06,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 05:17:06,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 05:17:06,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 05:17:06,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 05:17:06,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 05:17:06,711 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 05:17:06,726 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 05:17:06,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 05:17:06,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 05:17:06,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 05:17:06,728 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 05:17:06,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 05:17:06,729 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 05:17:06,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 05:17:06,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 05:17:06,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 05:17:06,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 05:17:06,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 05:17:06,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 05:17:06,730 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 05:17:06,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 05:17:06,731 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 05:17:06,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 05:17:06,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 05:17:06,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 05:17:06,732 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 05:17:06,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 05:17:06,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 05:17:06,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 05:17:06,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 05:17:06,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 05:17:06,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 05:17:06,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 05:17:06,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 05:17:06,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 05:17:06,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 05:17:06,798 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 05:17:06,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 05:17:06,805 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 05:17:06,806 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 05:17:06,806 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2019-10-02 05:17:06,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62aa864d/32f23a31c86a4c1b8314f86d130a52b6/FLAGb0ae75229 [2019-10-02 05:17:07,635 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 05:17:07,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2019-10-02 05:17:07,669 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62aa864d/32f23a31c86a4c1b8314f86d130a52b6/FLAGb0ae75229 [2019-10-02 05:17:07,732 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62aa864d/32f23a31c86a4c1b8314f86d130a52b6 [2019-10-02 05:17:07,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 05:17:07,750 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 05:17:07,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 05:17:07,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 05:17:07,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 05:17:07,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 05:17:07" (1/1) ... [2019-10-02 05:17:07,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b09b9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:17:07, skipping insertion in model container [2019-10-02 05:17:07,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 05:17:07" (1/1) ... [2019-10-02 05:17:07,767 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 05:17:07,913 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 05:17:09,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 05:17:09,719 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 05:17:10,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 05:17:10,440 INFO L192 MainTranslator]: Completed translation [2019-10-02 05:17:10,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:17:10 WrapperNode [2019-10-02 05:17:10,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 05:17:10,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 05:17:10,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 05:17:10,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 05:17:10,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:17:10" (1/1) ... [2019-10-02 05:17:10,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:17:10" (1/1) ... [2019-10-02 05:17:10,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:17:10" (1/1) ... [2019-10-02 05:17:10,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:17:10" (1/1) ... [2019-10-02 05:17:10,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:17:10" (1/1) ... [2019-10-02 05:17:10,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:17:10" (1/1) ... [2019-10-02 05:17:10,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:17:10" (1/1) ... [2019-10-02 05:17:10,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 05:17:10,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 05:17:10,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 05:17:10,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 05:17:10,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:17:10" (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 [2019-10-02 05:17:10,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 05:17:10,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 05:17:10,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-02 05:17:10,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-02 05:17:10,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 05:17:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-02 05:17:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-02 05:17:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-02 05:17:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-02 05:17:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-02 05:17:10,885 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-02 05:17:10,886 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-02 05:17:10,887 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-02 05:17:10,887 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2019-10-02 05:17:10,889 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2019-10-02 05:17:10,890 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_write_access [2019-10-02 05:17:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-02 05:17:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure insert_binfmt [2019-10-02 05:17:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 05:17:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 05:17:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure string_unescape_inplace [2019-10-02 05:17:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure check_file [2019-10-02 05:17:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure load_misc_binary [2019-10-02 05:17:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure scanarg [2019-10-02 05:17:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure check_special_flags [2019-10-02 05:17:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure create_entry [2019-10-02 05:17:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_command [2019-10-02 05:17:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_status [2019-10-02 05:17:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_get_inode [2019-10-02 05:17:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_evict_inode [2019-10-02 05:17:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_node [2019-10-02 05:17:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_read [2019-10-02 05:17:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_write [2019-10-02 05:17:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_register_write [2019-10-02 05:17:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_read [2019-10-02 05:17:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_write [2019-10-02 05:17:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_fill_super [2019-10-02 05:17:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_mount [2019-10-02 05:17:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure init_misc_binfmt [2019-10-02 05:17:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_misc_binfmt [2019-10-02 05:17:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2019-10-02 05:17:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_init_misc_binfmt_7_11 [2019-10-02 05:17:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-10-02 05:17:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_5_1 [2019-10-02 05:17:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_5_7_4 [2019-10-02 05:17:10,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_file_operations_instance_1_7_5 [2019-10-02 05:17:10,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_6_2 [2019-10-02 05:17:10,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_5_7_6 [2019-10-02 05:17:10,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_file_operations_instance_1_7_7 [2019-10-02 05:17:10,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-02 05:17:10,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_7 [2019-10-02 05:17:10,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_8 [2019-10-02 05:17:10,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-02 05:17:10,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_7 [2019-10-02 05:17:10,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_7 [2019-10-02 05:17:10,898 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 05:17:10,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_0 [2019-10-02 05:17:10,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_1 [2019-10-02 05:17:10,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_2 [2019-10-02 05:17:10,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_22 [2019-10-02 05:17:10,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_5 [2019-10-02 05:17:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_1_22 [2019-10-02 05:17:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_1_5 [2019-10-02 05:17:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_2_22 [2019-10-02 05:17:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_2_5 [2019-10-02 05:17:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_0_12 [2019-10-02 05:17:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_1_12 [2019-10-02 05:17:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_2_12 [2019-10-02 05:17:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_0_4 [2019-10-02 05:17:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_1_4 [2019-10-02 05:17:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_2_4 [2019-10-02 05:17:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-10-02 05:17:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_filesystem [2019-10-02 05:17:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_linux_binfmt_dummy_resourceless_instance_3 [2019-10-02 05:17:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_super_operations_dummy_resourceless_instance_4 [2019-10-02 05:17:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-10-02 05:17:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-10-02 05:17:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2019-10-02 05:17:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_15 [2019-10-02 05:17:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2019-10-02 05:17:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_15 [2019-10-02 05:17:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2019-10-02 05:17:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_15 [2019-10-02 05:17:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2019-10-02 05:17:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-10-02 05:17:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_5 [2019-10-02 05:17:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-10-02 05:17:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_5 [2019-10-02 05:17:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_filesystem [2019-10-02 05:17:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-02 05:17:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-02 05:17:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-02 05:17:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2019-10-02 05:17:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-02 05:17:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-10-02 05:17:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-02 05:17:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-02 05:17:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-10-02 05:17:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_filesystem_19 [2019-10-02 05:17:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_filesystem_20 [2019-10-02 05:17:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-02 05:17:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-02 05:17:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-02 05:17:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 05:17:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 05:17:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 05:17:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 05:17:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-02 05:17:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-02 05:17:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-02 05:17:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-02 05:17:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-02 05:17:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-02 05:17:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 05:17:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 05:17:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-02 05:17:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 05:17:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-02 05:17:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 05:17:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-02 05:17:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-02 05:17:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-02 05:17:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-02 05:17:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-02 05:17:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-02 05:17:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-02 05:17:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 05:17:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 05:17:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 05:17:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-02 05:17:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-02 05:17:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-02 05:17:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-02 05:17:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-02 05:17:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-02 05:17:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-02 05:17:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2019-10-02 05:17:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-02 05:17:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-02 05:17:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-02 05:17:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-02 05:17:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-02 05:17:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock [2019-10-02 05:17:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-02 05:17:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-02 05:17:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-02 05:17:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-02 05:17:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 05:17:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_device [2019-10-02 05:17:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 05:17:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 05:17:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 05:17:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 05:17:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 05:17:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 05:17:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2019-10-02 05:17:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2019-10-02 05:17:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2019-10-02 05:17:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2019-10-02 05:17:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-02 05:17:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-10-02 05:17:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-02 05:17:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-02 05:17:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_binfmt [2019-10-02 05:17:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-02 05:17:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-10-02 05:17:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-10-02 05:17:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2019-10-02 05:17:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2019-10-02 05:17:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure bprm_change_interp [2019-10-02 05:17:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_inode [2019-10-02 05:17:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_strings_kernel [2019-10-02 05:17:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure current_fs_time [2019-10-02 05:17:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2019-10-02 05:17:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2019-10-02 05:17:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2019-10-02 05:17:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2019-10-02 05:17:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_nlink [2019-10-02 05:17:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-02 05:17:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2019-10-02 05:17:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-02 05:17:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2019-10-02 05:17:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_ino [2019-10-02 05:17:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2019-10-02 05:17:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure iput [2019-10-02 05:17:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_read [2019-10-02 05:17:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_litter_super [2019-10-02 05:17:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-02 05:17:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-02 05:17:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-02 05:17:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure lockref_get [2019-10-02 05:17:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup_one_len [2019-10-02 05:17:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-02 05:17:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mount_single [2019-10-02 05:17:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure new_inode [2019-10-02 05:17:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-02 05:17:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure open_exec [2019-10-02 05:17:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_binprm [2019-10-02 05:17:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure register_filesystem [2019-10-02 05:17:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_arg_zero [2019-10-02 05:17:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure search_binary_handler [2019-10-02 05:17:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_fill_super [2019-10-02 05:17:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_pin_fs [2019-10-02 05:17:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2019-10-02 05:17:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_release_fs [2019-10-02 05:17:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2019-10-02 05:17:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2019-10-02 05:17:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure string_unescape [2019-10-02 05:17:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-02 05:17:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_close [2019-10-02 05:17:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_binfmt [2019-10-02 05:17:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_filesystem [2019-10-02 05:17:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure would_dump [2019-10-02 05:17:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 05:17:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 05:17:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 05:17:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 05:17:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 05:17:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 05:17:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 05:17:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 05:17:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2019-10-02 05:17:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-10-02 05:17:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-02 05:17:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-02 05:17:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-02 05:17:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 05:17:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-02 05:17:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-02 05:17:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 05:17:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-02 05:17:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 05:17:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 05:17:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-02 05:17:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-02 05:17:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-02 05:17:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-02 05:17:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 05:17:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-02 05:17:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-02 05:17:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 05:17:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-02 05:17:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-02 05:17:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-02 05:17:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-02 05:17:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-02 05:17:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-02 05:17:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 05:17:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-02 05:17:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2019-10-02 05:17:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-02 05:17:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-02 05:17:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-02 05:17:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-02 05:17:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 05:17:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-02 05:17:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-02 05:17:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-02 05:17:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2019-10-02 05:17:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-10-02 05:17:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-02 05:17:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-02 05:17:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-02 05:17:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-10-02 05:17:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-10-02 05:17:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2019-10-02 05:17:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-10-02 05:17:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2019-10-02 05:17:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure lockref_get [2019-10-02 05:17:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2019-10-02 05:17:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2019-10-02 05:17:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2019-10-02 05:17:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2019-10-02 05:17:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure current_fs_time [2019-10-02 05:17:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure drop_nlink [2019-10-02 05:17:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure mount_single [2019-10-02 05:17:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure kill_litter_super [2019-10-02 05:17:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure register_filesystem [2019-10-02 05:17:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_filesystem_19 [2019-10-02 05:17:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_filesystem [2019-10-02 05:17:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_filesystem_20 [2019-10-02 05:17:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure iput [2019-10-02 05:17:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2019-10-02 05:17:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure allow_write_access [2019-10-02 05:17:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_read [2019-10-02 05:17:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure open_exec [2019-10-02 05:17:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2019-10-02 05:17:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_ino [2019-10-02 05:17:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure clear_inode [2019-10-02 05:17:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure new_inode [2019-10-02 05:17:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-02 05:17:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2019-10-02 05:17:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure simple_fill_super [2019-10-02 05:17:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure simple_pin_fs [2019-10-02 05:17:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure simple_release_fs [2019-10-02 05:17:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2019-10-02 05:17:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-10-02 05:17:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2019-10-02 05:17:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-02 05:17:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-02 05:17:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-02 05:17:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure __register_binfmt [2019-10-02 05:17:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure insert_binfmt [2019-10-02 05:17:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_binfmt [2019-10-02 05:17:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_binprm [2019-10-02 05:17:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure remove_arg_zero [2019-10-02 05:17:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure search_binary_handler [2019-10-02 05:17:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure would_dump [2019-10-02 05:17:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure bprm_change_interp [2019-10-02 05:17:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure copy_strings_kernel [2019-10-02 05:17:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 05:17:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 05:17:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 05:17:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 05:17:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure string_unescape [2019-10-02 05:17:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure string_unescape_inplace [2019-10-02 05:17:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-02 05:17:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2019-10-02 05:17:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2019-10-02 05:17:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure lookup_one_len [2019-10-02 05:17:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure sys_close [2019-10-02 05:17:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 05:17:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure check_file [2019-10-02 05:17:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure load_misc_binary [2019-10-02 05:17:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 05:17:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 05:17:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 05:17:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure scanarg [2019-10-02 05:17:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure check_special_flags [2019-10-02 05:17:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure create_entry [2019-10-02 05:17:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure parse_command [2019-10-02 05:17:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure entry_status [2019-10-02 05:17:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure bm_get_inode [2019-10-02 05:17:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure bm_evict_inode [2019-10-02 05:17:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure kill_node [2019-10-02 05:17:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_read [2019-10-02 05:17:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_write [2019-10-02 05:17:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure bm_register_write [2019-10-02 05:17:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_read [2019-10-02 05:17:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_write [2019-10-02 05:17:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure bm_fill_super [2019-10-02 05:17:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure bm_mount [2019-10-02 05:17:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure init_misc_binfmt [2019-10-02 05:17:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure exit_misc_binfmt [2019-10-02 05:17:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2019-10-02 05:17:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_init_misc_binfmt_7_11 [2019-10-02 05:17:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-10-02 05:17:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_5_1 [2019-10-02 05:17:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_5_7_4 [2019-10-02 05:17:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_file_operations_instance_1_7_5 [2019-10-02 05:17:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_6_2 [2019-10-02 05:17:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_5_7_6 [2019-10-02 05:17:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_file_operations_instance_1_7_7 [2019-10-02 05:17:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-02 05:17:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_7 [2019-10-02 05:17:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_8 [2019-10-02 05:17:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-02 05:17:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_7 [2019-10-02 05:17:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_7 [2019-10-02 05:17:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 05:17:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_0 [2019-10-02 05:17:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_1 [2019-10-02 05:17:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_2 [2019-10-02 05:17:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_22 [2019-10-02 05:17:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_5 [2019-10-02 05:17:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_1_22 [2019-10-02 05:17:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_1_5 [2019-10-02 05:17:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_2_22 [2019-10-02 05:17:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_2_5 [2019-10-02 05:17:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_0_12 [2019-10-02 05:17:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_1_12 [2019-10-02 05:17:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_2_12 [2019-10-02 05:17:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_0_4 [2019-10-02 05:17:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_1_4 [2019-10-02 05:17:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_2_4 [2019-10-02 05:17:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-10-02 05:17:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_filesystem [2019-10-02 05:17:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_linux_binfmt_dummy_resourceless_instance_3 [2019-10-02 05:17:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_super_operations_dummy_resourceless_instance_4 [2019-10-02 05:17:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-10-02 05:17:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-10-02 05:17:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2019-10-02 05:17:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_15 [2019-10-02 05:17:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2019-10-02 05:17:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_15 [2019-10-02 05:17:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2019-10-02 05:17:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_15 [2019-10-02 05:17:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2019-10-02 05:17:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-10-02 05:17:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_5 [2019-10-02 05:17:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-10-02 05:17:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_5 [2019-10-02 05:17:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_filesystem [2019-10-02 05:17:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-02 05:17:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-02 05:17:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-02 05:17:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-02 05:17:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-02 05:17:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 05:17:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-02 05:17:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 05:17:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-02 05:17:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-02 05:17:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-02 05:17:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-02 05:17:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-02 05:17:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-02 05:17:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-02 05:17:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-02 05:17:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-02 05:17:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-02 05:17:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-02 05:17:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-02 05:17:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 05:17:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 05:17:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 05:17:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 05:17:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 05:17:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 05:17:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 05:17:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-02 05:17:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-02 05:17:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 05:17:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 05:17:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 05:17:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-02 05:17:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-02 05:17:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-02 05:17:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-02 05:17:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 05:17:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2019-10-02 05:17:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2019-10-02 05:17:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2019-10-02 05:17:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2019-10-02 05:17:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_i_mutex_of_inode [2019-10-02 05:17:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-02 05:17:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-02 05:17:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-02 05:17:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-02 05:17:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock [2019-10-02 05:17:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-02 05:17:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-02 05:17:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-02 05:17:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-02 05:17:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 05:17:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_device [2019-10-02 05:17:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 05:17:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 05:17:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 05:17:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 05:17:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 05:17:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 05:17:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 05:17:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-02 05:17:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-02 05:17:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 05:17:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 05:17:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 05:17:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 05:17:12,023 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 05:17:14,877 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-10-02 05:17:15,883 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 05:17:15,884 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 05:17:15,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 05:17:15 BoogieIcfgContainer [2019-10-02 05:17:15,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 05:17:15,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 05:17:15,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 05:17:15,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 05:17:15,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 05:17:07" (1/3) ... [2019-10-02 05:17:15,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798a8e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 05:17:15, skipping insertion in model container [2019-10-02 05:17:15,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:17:10" (2/3) ... [2019-10-02 05:17:15,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798a8e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 05:17:15, skipping insertion in model container [2019-10-02 05:17:15,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 05:17:15" (3/3) ... [2019-10-02 05:17:15,897 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2019-10-02 05:17:15,906 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 05:17:15,916 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-02 05:17:15,933 INFO L252 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-02 05:17:15,973 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 05:17:15,974 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 05:17:15,974 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 05:17:15,974 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 05:17:15,974 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 05:17:15,974 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 05:17:15,975 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 05:17:15,975 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 05:17:15,975 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 05:17:16,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states. [2019-10-02 05:17:16,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-10-02 05:17:16,072 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:17:16,073 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] [2019-10-02 05:17:16,075 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]=== [2019-10-02 05:17:16,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:17:16,081 INFO L82 PathProgramCache]: Analyzing trace with hash -902379801, now seen corresponding path program 1 times [2019-10-02 05:17:16,083 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:17:16,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:17:16,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:17:16,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:17:16,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:17:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:17:16,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2100 trivial. 0 not checked. [2019-10-02 05:17:16,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:17:16,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:17:16,980 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:17:16,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:17:16,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:17:16,996 INFO L87 Difference]: Start difference. First operand 1582 states. Second operand 3 states. [2019-10-02 05:17:17,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:17:17,301 INFO L93 Difference]: Finished difference Result 3887 states and 5072 transitions. [2019-10-02 05:17:17,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:17:17,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2019-10-02 05:17:17,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:17:17,337 INFO L225 Difference]: With dead ends: 3887 [2019-10-02 05:17:17,337 INFO L226 Difference]: Without dead ends: 2541 [2019-10-02 05:17:17,350 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 [2019-10-02 05:17:17,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2541 states. [2019-10-02 05:17:17,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2541 to 2528. [2019-10-02 05:17:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2528 states. [2019-10-02 05:17:17,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 2528 states and 3256 transitions. [2019-10-02 05:17:17,709 INFO L78 Accepts]: Start accepts. Automaton has 2528 states and 3256 transitions. Word has length 269 [2019-10-02 05:17:17,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:17:17,713 INFO L475 AbstractCegarLoop]: Abstraction has 2528 states and 3256 transitions. [2019-10-02 05:17:17,713 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:17:17,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 3256 transitions. [2019-10-02 05:17:17,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-10-02 05:17:17,729 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:17:17,729 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] [2019-10-02 05:17:17,730 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]=== [2019-10-02 05:17:17,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:17:17,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1315573582, now seen corresponding path program 1 times [2019-10-02 05:17:17,730 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:17:17,733 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:17:17,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:17:17,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:17:17,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:17:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:17:18,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2104 trivial. 0 not checked. [2019-10-02 05:17:18,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:17:18,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:17:18,097 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:17:18,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:17:18,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:17:18,098 INFO L87 Difference]: Start difference. First operand 2528 states and 3256 transitions. Second operand 3 states. [2019-10-02 05:17:18,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:17:18,301 INFO L93 Difference]: Finished difference Result 3761 states and 4828 transitions. [2019-10-02 05:17:18,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:17:18,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 303 [2019-10-02 05:17:18,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:17:18,324 INFO L225 Difference]: With dead ends: 3761 [2019-10-02 05:17:18,325 INFO L226 Difference]: Without dead ends: 3710 [2019-10-02 05:17:18,328 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 [2019-10-02 05:17:18,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3710 states. [2019-10-02 05:17:18,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3710 to 3697. [2019-10-02 05:17:18,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3697 states. [2019-10-02 05:17:18,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3697 states to 3697 states and 4761 transitions. [2019-10-02 05:17:18,610 INFO L78 Accepts]: Start accepts. Automaton has 3697 states and 4761 transitions. Word has length 303 [2019-10-02 05:17:18,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:17:18,611 INFO L475 AbstractCegarLoop]: Abstraction has 3697 states and 4761 transitions. [2019-10-02 05:17:18,611 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:17:18,611 INFO L276 IsEmpty]: Start isEmpty. Operand 3697 states and 4761 transitions. [2019-10-02 05:17:18,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-10-02 05:17:18,620 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:17:18,620 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] [2019-10-02 05:17:18,621 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]=== [2019-10-02 05:17:18,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:17:18,621 INFO L82 PathProgramCache]: Analyzing trace with hash 402676766, now seen corresponding path program 1 times [2019-10-02 05:17:18,622 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:17:18,622 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:17:18,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:17:18,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:17:18,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:17:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:17:18,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2104 trivial. 0 not checked. [2019-10-02 05:17:18,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:17:18,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:17:18,858 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:17:18,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:17:18,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:17:18,859 INFO L87 Difference]: Start difference. First operand 3697 states and 4761 transitions. Second operand 3 states. [2019-10-02 05:17:19,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:17:19,117 INFO L93 Difference]: Finished difference Result 4894 states and 6298 transitions. [2019-10-02 05:17:19,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:17:19,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2019-10-02 05:17:19,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:17:19,153 INFO L225 Difference]: With dead ends: 4894 [2019-10-02 05:17:19,153 INFO L226 Difference]: Without dead ends: 4843 [2019-10-02 05:17:19,157 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 [2019-10-02 05:17:19,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4843 states. [2019-10-02 05:17:19,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4843 to 4830. [2019-10-02 05:17:19,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4830 states. [2019-10-02 05:17:19,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4830 states to 4830 states and 6230 transitions. [2019-10-02 05:17:19,501 INFO L78 Accepts]: Start accepts. Automaton has 4830 states and 6230 transitions. Word has length 302 [2019-10-02 05:17:19,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:17:19,503 INFO L475 AbstractCegarLoop]: Abstraction has 4830 states and 6230 transitions. [2019-10-02 05:17:19,503 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:17:19,503 INFO L276 IsEmpty]: Start isEmpty. Operand 4830 states and 6230 transitions. [2019-10-02 05:17:19,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-10-02 05:17:19,517 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:17:19,518 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:17:19,518 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]=== [2019-10-02 05:17:19,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:17:19,518 INFO L82 PathProgramCache]: Analyzing trace with hash -574461963, now seen corresponding path program 1 times [2019-10-02 05:17:19,519 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:17:19,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:17:19,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:17:19,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:17:19,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:17:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:17:19,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2121 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2115 trivial. 0 not checked. [2019-10-02 05:17:19,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:17:19,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:17:19,771 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:17:19,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:17:19,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:17:19,772 INFO L87 Difference]: Start difference. First operand 4830 states and 6230 transitions. Second operand 5 states. [2019-10-02 05:17:29,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:17:29,331 INFO L93 Difference]: Finished difference Result 10733 states and 13850 transitions. [2019-10-02 05:17:29,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 05:17:29,332 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 328 [2019-10-02 05:17:29,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:17:29,369 INFO L225 Difference]: With dead ends: 10733 [2019-10-02 05:17:29,370 INFO L226 Difference]: Without dead ends: 5975 [2019-10-02 05:17:29,386 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 [2019-10-02 05:17:29,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5975 states. [2019-10-02 05:17:29,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5975 to 5969. [2019-10-02 05:17:29,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5969 states. [2019-10-02 05:17:29,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5969 states to 5969 states and 7703 transitions. [2019-10-02 05:17:29,668 INFO L78 Accepts]: Start accepts. Automaton has 5969 states and 7703 transitions. Word has length 328 [2019-10-02 05:17:29,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:17:29,669 INFO L475 AbstractCegarLoop]: Abstraction has 5969 states and 7703 transitions. [2019-10-02 05:17:29,670 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:17:29,670 INFO L276 IsEmpty]: Start isEmpty. Operand 5969 states and 7703 transitions. [2019-10-02 05:17:29,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2019-10-02 05:17:29,690 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:17:29,691 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] [2019-10-02 05:17:29,691 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]=== [2019-10-02 05:17:29,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:17:29,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1238437555, now seen corresponding path program 1 times [2019-10-02 05:17:29,692 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:17:29,692 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:17:29,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:17:29,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:17:29,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:17:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:17:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2135 trivial. 0 not checked. [2019-10-02 05:17:30,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:17:30,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:17:30,068 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:17:30,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:17:30,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:17:30,068 INFO L87 Difference]: Start difference. First operand 5969 states and 7703 transitions. Second operand 3 states. [2019-10-02 05:17:30,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:17:30,491 INFO L93 Difference]: Finished difference Result 13756 states and 17645 transitions. [2019-10-02 05:17:30,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:17:30,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 341 [2019-10-02 05:17:30,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:17:30,700 INFO L225 Difference]: With dead ends: 13756 [2019-10-02 05:17:30,701 INFO L226 Difference]: Without dead ends: 7859 [2019-10-02 05:17:30,723 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 [2019-10-02 05:17:30,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7859 states. [2019-10-02 05:17:31,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7859 to 7830. [2019-10-02 05:17:31,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7830 states. [2019-10-02 05:17:31,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7830 states to 7830 states and 9952 transitions. [2019-10-02 05:17:31,116 INFO L78 Accepts]: Start accepts. Automaton has 7830 states and 9952 transitions. Word has length 341 [2019-10-02 05:17:31,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:17:31,118 INFO L475 AbstractCegarLoop]: Abstraction has 7830 states and 9952 transitions. [2019-10-02 05:17:31,118 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:17:31,118 INFO L276 IsEmpty]: Start isEmpty. Operand 7830 states and 9952 transitions. [2019-10-02 05:17:31,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2019-10-02 05:17:31,137 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:17:31,137 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] [2019-10-02 05:17:31,137 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]=== [2019-10-02 05:17:31,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:17:31,138 INFO L82 PathProgramCache]: Analyzing trace with hash 2080585669, now seen corresponding path program 1 times [2019-10-02 05:17:31,138 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:17:31,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:17:31,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:17:31,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:17:31,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:17:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:17:31,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2151 trivial. 0 not checked. [2019-10-02 05:17:31,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:17:31,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:17:31,411 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:17:31,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:17:31,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:17:31,412 INFO L87 Difference]: Start difference. First operand 7830 states and 9952 transitions. Second operand 3 states. [2019-10-02 05:17:32,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:17:32,148 INFO L93 Difference]: Finished difference Result 20822 states and 26398 transitions. [2019-10-02 05:17:32,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:17:32,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 342 [2019-10-02 05:17:32,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:17:32,262 INFO L225 Difference]: With dead ends: 20822 [2019-10-02 05:17:32,262 INFO L226 Difference]: Without dead ends: 13064 [2019-10-02 05:17:32,311 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 [2019-10-02 05:17:32,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13064 states. [2019-10-02 05:17:33,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13064 to 13027. [2019-10-02 05:17:33,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13027 states. [2019-10-02 05:17:33,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13027 states to 13027 states and 16415 transitions. [2019-10-02 05:17:33,296 INFO L78 Accepts]: Start accepts. Automaton has 13027 states and 16415 transitions. Word has length 342 [2019-10-02 05:17:33,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:17:33,297 INFO L475 AbstractCegarLoop]: Abstraction has 13027 states and 16415 transitions. [2019-10-02 05:17:33,297 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:17:33,297 INFO L276 IsEmpty]: Start isEmpty. Operand 13027 states and 16415 transitions. [2019-10-02 05:17:33,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2019-10-02 05:17:33,322 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:17:33,323 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] [2019-10-02 05:17:33,323 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]=== [2019-10-02 05:17:33,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:17:33,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1683320431, now seen corresponding path program 1 times [2019-10-02 05:17:33,324 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:17:33,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:17:33,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:17:33,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:17:33,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:17:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:17:33,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2121 trivial. 0 not checked. [2019-10-02 05:17:33,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:17:33,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:17:33,751 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:17:33,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:17:33,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:17:33,752 INFO L87 Difference]: Start difference. First operand 13027 states and 16415 transitions. Second operand 5 states. [2019-10-02 05:17:42,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:17:42,238 INFO L93 Difference]: Finished difference Result 29713 states and 37497 transitions. [2019-10-02 05:17:42,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 05:17:42,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 331 [2019-10-02 05:17:42,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:17:42,305 INFO L225 Difference]: With dead ends: 29713 [2019-10-02 05:17:42,306 INFO L226 Difference]: Without dead ends: 16758 [2019-10-02 05:17:42,346 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 [2019-10-02 05:17:42,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16758 states. [2019-10-02 05:17:42,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16758 to 16748. [2019-10-02 05:17:42,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16748 states. [2019-10-02 05:17:43,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16748 states to 16748 states and 21124 transitions. [2019-10-02 05:17:43,019 INFO L78 Accepts]: Start accepts. Automaton has 16748 states and 21124 transitions. Word has length 331 [2019-10-02 05:17:43,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:17:43,020 INFO L475 AbstractCegarLoop]: Abstraction has 16748 states and 21124 transitions. [2019-10-02 05:17:43,020 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:17:43,020 INFO L276 IsEmpty]: Start isEmpty. Operand 16748 states and 21124 transitions. [2019-10-02 05:17:43,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2019-10-02 05:17:43,035 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:17:43,035 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] [2019-10-02 05:17:43,036 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]=== [2019-10-02 05:17:43,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:17:43,036 INFO L82 PathProgramCache]: Analyzing trace with hash 522197725, now seen corresponding path program 1 times [2019-10-02 05:17:43,036 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:17:43,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:17:43,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:17:43,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:17:43,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:17:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:17:43,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2151 trivial. 0 not checked. [2019-10-02 05:17:43,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:17:43,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:17:43,303 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:17:43,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:17:43,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:17:43,305 INFO L87 Difference]: Start difference. First operand 16748 states and 21124 transitions. Second operand 3 states. [2019-10-02 05:17:44,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:17:44,830 INFO L93 Difference]: Finished difference Result 45504 states and 57361 transitions. [2019-10-02 05:17:44,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:17:44,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 345 [2019-10-02 05:17:44,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:17:44,958 INFO L225 Difference]: With dead ends: 45504 [2019-10-02 05:17:44,958 INFO L226 Difference]: Without dead ends: 28828 [2019-10-02 05:17:45,005 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 [2019-10-02 05:17:45,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28828 states. [2019-10-02 05:17:46,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28828 to 28805. [2019-10-02 05:17:46,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28805 states. [2019-10-02 05:17:46,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28805 states to 28805 states and 36107 transitions. [2019-10-02 05:17:46,213 INFO L78 Accepts]: Start accepts. Automaton has 28805 states and 36107 transitions. Word has length 345 [2019-10-02 05:17:46,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:17:46,214 INFO L475 AbstractCegarLoop]: Abstraction has 28805 states and 36107 transitions. [2019-10-02 05:17:46,214 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:17:46,214 INFO L276 IsEmpty]: Start isEmpty. Operand 28805 states and 36107 transitions. [2019-10-02 05:17:46,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2019-10-02 05:17:46,239 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:17:46,239 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:17:46,240 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]=== [2019-10-02 05:17:46,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:17:46,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1091937333, now seen corresponding path program 1 times [2019-10-02 05:17:46,240 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:17:46,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:17:46,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:17:46,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:17:46,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:17:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:17:46,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2203 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 2174 trivial. 0 not checked. [2019-10-02 05:17:46,493 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:17:46,493 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 05:17:46,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:17:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:17:47,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 3922 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 05:17:47,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:17:47,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2203 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 2155 trivial. 0 not checked. [2019-10-02 05:17:47,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 05:17:47,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2019-10-02 05:17:47,787 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 05:17:47,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 05:17:47,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:17:47,788 INFO L87 Difference]: Start difference. First operand 28805 states and 36107 transitions. Second operand 8 states. [2019-10-02 05:18:02,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:18:02,474 INFO L93 Difference]: Finished difference Result 64780 states and 81171 transitions. [2019-10-02 05:18:02,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 05:18:02,475 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 389 [2019-10-02 05:18:02,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:18:02,667 INFO L225 Difference]: With dead ends: 64780 [2019-10-02 05:18:02,667 INFO L226 Difference]: Without dead ends: 36047 [2019-10-02 05:18:02,767 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2019-10-02 05:18:02,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36047 states. [2019-10-02 05:18:04,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36047 to 35712. [2019-10-02 05:18:04,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35712 states. [2019-10-02 05:18:04,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35712 states to 35712 states and 44756 transitions. [2019-10-02 05:18:04,539 INFO L78 Accepts]: Start accepts. Automaton has 35712 states and 44756 transitions. Word has length 389 [2019-10-02 05:18:04,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:18:04,540 INFO L475 AbstractCegarLoop]: Abstraction has 35712 states and 44756 transitions. [2019-10-02 05:18:04,540 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 05:18:04,540 INFO L276 IsEmpty]: Start isEmpty. Operand 35712 states and 44756 transitions. [2019-10-02 05:18:04,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-10-02 05:18:04,549 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:04,549 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] [2019-10-02 05:18:04,549 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]=== [2019-10-02 05:18:04,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:04,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1077980029, now seen corresponding path program 1 times [2019-10-02 05:18:04,550 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:04,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:04,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:04,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:04,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:04,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2155 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2146 trivial. 0 not checked. [2019-10-02 05:18:04,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:18:04,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:18:04,815 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:18:04,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:18:04,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:18:04,815 INFO L87 Difference]: Start difference. First operand 35712 states and 44756 transitions. Second operand 5 states. [2019-10-02 05:18:05,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:18:05,505 INFO L93 Difference]: Finished difference Result 36383 states and 45331 transitions. [2019-10-02 05:18:05,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:18:05,505 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 354 [2019-10-02 05:18:05,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:18:05,627 INFO L225 Difference]: With dead ends: 36383 [2019-10-02 05:18:05,628 INFO L226 Difference]: Without dead ends: 36381 [2019-10-02 05:18:05,646 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 [2019-10-02 05:18:05,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36381 states. [2019-10-02 05:18:07,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36381 to 36381. [2019-10-02 05:18:07,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36381 states. [2019-10-02 05:18:07,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36381 states to 36381 states and 45329 transitions. [2019-10-02 05:18:07,550 INFO L78 Accepts]: Start accepts. Automaton has 36381 states and 45329 transitions. Word has length 354 [2019-10-02 05:18:07,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:18:07,551 INFO L475 AbstractCegarLoop]: Abstraction has 36381 states and 45329 transitions. [2019-10-02 05:18:07,551 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:18:07,551 INFO L276 IsEmpty]: Start isEmpty. Operand 36381 states and 45329 transitions. [2019-10-02 05:18:07,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-10-02 05:18:07,556 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:07,556 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, 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] [2019-10-02 05:18:07,557 INFO L418 AbstractCegarLoop]: === Iteration 11 === [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]=== [2019-10-02 05:18:07,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:07,557 INFO L82 PathProgramCache]: Analyzing trace with hash 377312716, now seen corresponding path program 1 times [2019-10-02 05:18:07,557 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:07,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:07,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:07,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:07,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:07,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2157 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2146 trivial. 0 not checked. [2019-10-02 05:18:07,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:18:07,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:18:07,880 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:18:07,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:18:07,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:18:07,881 INFO L87 Difference]: Start difference. First operand 36381 states and 45329 transitions. Second operand 5 states. [2019-10-02 05:18:08,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:18:08,936 INFO L93 Difference]: Finished difference Result 36387 states and 45334 transitions. [2019-10-02 05:18:08,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:18:08,937 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 359 [2019-10-02 05:18:08,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:18:09,059 INFO L225 Difference]: With dead ends: 36387 [2019-10-02 05:18:09,059 INFO L226 Difference]: Without dead ends: 36383 [2019-10-02 05:18:09,077 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:18:09,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36383 states. [2019-10-02 05:18:11,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36383 to 36383. [2019-10-02 05:18:11,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36383 states. [2019-10-02 05:18:11,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36383 states to 36383 states and 45330 transitions. [2019-10-02 05:18:11,604 INFO L78 Accepts]: Start accepts. Automaton has 36383 states and 45330 transitions. Word has length 359 [2019-10-02 05:18:11,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:18:11,604 INFO L475 AbstractCegarLoop]: Abstraction has 36383 states and 45330 transitions. [2019-10-02 05:18:11,604 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:18:11,604 INFO L276 IsEmpty]: Start isEmpty. Operand 36383 states and 45330 transitions. [2019-10-02 05:18:11,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2019-10-02 05:18:11,609 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:11,609 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 4, 4, 4, 4, 4, 3, 2, 2, 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, 1, 1, 1] [2019-10-02 05:18:11,610 INFO L418 AbstractCegarLoop]: === Iteration 12 === [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]=== [2019-10-02 05:18:11,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:11,610 INFO L82 PathProgramCache]: Analyzing trace with hash 2013712867, now seen corresponding path program 1 times [2019-10-02 05:18:11,610 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:11,610 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:11,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:11,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:11,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2163 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2150 trivial. 0 not checked. [2019-10-02 05:18:11,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:18:11,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:18:11,854 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:18:11,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:18:11,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:18:11,855 INFO L87 Difference]: Start difference. First operand 36383 states and 45330 transitions. Second operand 5 states. [2019-10-02 05:18:13,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:18:13,256 INFO L93 Difference]: Finished difference Result 36383 states and 45330 transitions. [2019-10-02 05:18:13,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:18:13,256 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 364 [2019-10-02 05:18:13,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:18:13,361 INFO L225 Difference]: With dead ends: 36383 [2019-10-02 05:18:13,361 INFO L226 Difference]: Without dead ends: 36275 [2019-10-02 05:18:13,375 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:18:13,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36275 states. [2019-10-02 05:18:14,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36275 to 29387. [2019-10-02 05:18:14,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29387 states. [2019-10-02 05:18:14,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29387 states to 29387 states and 36534 transitions. [2019-10-02 05:18:14,347 INFO L78 Accepts]: Start accepts. Automaton has 29387 states and 36534 transitions. Word has length 364 [2019-10-02 05:18:14,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:18:14,348 INFO L475 AbstractCegarLoop]: Abstraction has 29387 states and 36534 transitions. [2019-10-02 05:18:14,348 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:18:14,348 INFO L276 IsEmpty]: Start isEmpty. Operand 29387 states and 36534 transitions. [2019-10-02 05:18:14,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2019-10-02 05:18:14,374 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:14,374 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 8, 8, 8, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:18:14,375 INFO L418 AbstractCegarLoop]: === Iteration 13 === [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]=== [2019-10-02 05:18:14,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:14,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1853791528, now seen corresponding path program 1 times [2019-10-02 05:18:14,375 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:14,375 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:14,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:14,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:14,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:14,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 2253 trivial. 0 not checked. [2019-10-02 05:18:14,670 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:18:14,670 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 05:18:15,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:15,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 4337 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 05:18:15,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:18:16,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 102 proven. 2 refuted. 0 times theorem prover too weak. 2168 trivial. 0 not checked. [2019-10-02 05:18:16,283 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 05:18:16,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-10-02 05:18:16,292 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 05:18:16,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 05:18:16,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:18:16,293 INFO L87 Difference]: Start difference. First operand 29387 states and 36534 transitions. Second operand 8 states. [2019-10-02 05:18:34,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:18:34,028 INFO L93 Difference]: Finished difference Result 65257 states and 81171 transitions. [2019-10-02 05:18:34,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 05:18:34,029 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 463 [2019-10-02 05:18:34,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:18:34,102 INFO L225 Difference]: With dead ends: 65257 [2019-10-02 05:18:34,102 INFO L226 Difference]: Without dead ends: 35857 [2019-10-02 05:18:34,150 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-02 05:18:34,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35857 states. [2019-10-02 05:18:35,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35857 to 35818. [2019-10-02 05:18:35,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35818 states. [2019-10-02 05:18:35,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35818 states to 35818 states and 44534 transitions. [2019-10-02 05:18:35,256 INFO L78 Accepts]: Start accepts. Automaton has 35818 states and 44534 transitions. Word has length 463 [2019-10-02 05:18:35,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:18:35,257 INFO L475 AbstractCegarLoop]: Abstraction has 35818 states and 44534 transitions. [2019-10-02 05:18:35,257 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 05:18:35,257 INFO L276 IsEmpty]: Start isEmpty. Operand 35818 states and 44534 transitions. [2019-10-02 05:18:35,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2019-10-02 05:18:35,273 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:35,273 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 9, 9, 9, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:18:35,274 INFO L418 AbstractCegarLoop]: === Iteration 14 === [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]=== [2019-10-02 05:18:35,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:35,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1972351512, now seen corresponding path program 1 times [2019-10-02 05:18:35,274 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:35,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:35,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:35,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:35,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:35,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2304 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 2285 trivial. 0 not checked. [2019-10-02 05:18:35,553 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:18:35,553 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 05:18:35,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:36,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 4293 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 05:18:36,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:18:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2304 backedges. 118 proven. 2 refuted. 0 times theorem prover too weak. 2184 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 05:18:37,092 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 05:18:37,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-10-02 05:18:37,096 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 05:18:37,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 05:18:37,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:18:37,097 INFO L87 Difference]: Start difference. First operand 35818 states and 44534 transitions. Second operand 8 states. [2019-10-02 05:18:53,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:18:53,984 INFO L93 Difference]: Finished difference Result 71206 states and 88544 transitions. [2019-10-02 05:18:53,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 05:18:53,985 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 464 [2019-10-02 05:18:53,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:18:54,064 INFO L225 Difference]: With dead ends: 71206 [2019-10-02 05:18:54,065 INFO L226 Difference]: Without dead ends: 35826 [2019-10-02 05:18:54,106 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-02 05:18:54,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35826 states. [2019-10-02 05:18:55,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35826 to 35818. [2019-10-02 05:18:55,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35818 states. [2019-10-02 05:18:55,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35818 states to 35818 states and 44471 transitions. [2019-10-02 05:18:55,119 INFO L78 Accepts]: Start accepts. Automaton has 35818 states and 44471 transitions. Word has length 464 [2019-10-02 05:18:55,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:18:55,119 INFO L475 AbstractCegarLoop]: Abstraction has 35818 states and 44471 transitions. [2019-10-02 05:18:55,119 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 05:18:55,119 INFO L276 IsEmpty]: Start isEmpty. Operand 35818 states and 44471 transitions. [2019-10-02 05:18:55,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2019-10-02 05:18:55,137 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:55,138 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 9, 9, 9, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:18:55,138 INFO L418 AbstractCegarLoop]: === Iteration 15 === [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]=== [2019-10-02 05:18:55,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:55,139 INFO L82 PathProgramCache]: Analyzing trace with hash -366204553, now seen corresponding path program 1 times [2019-10-02 05:18:55,139 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:55,139 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:55,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:55,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:55,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:55,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2367 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 2330 trivial. 0 not checked. [2019-10-02 05:18:55,461 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:18:55,461 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 05:18:55,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:56,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 4448 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 05:18:56,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:18:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2367 backedges. 148 proven. 2 refuted. 0 times theorem prover too weak. 2217 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (5)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 05:18:57,031 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 05:18:57,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-10-02 05:18:57,034 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 05:18:57,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 05:18:57,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:18:57,035 INFO L87 Difference]: Start difference. First operand 35818 states and 44471 transitions. Second operand 8 states. [2019-10-02 05:19:13,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:19:13,301 INFO L93 Difference]: Finished difference Result 71617 states and 88934 transitions. [2019-10-02 05:19:13,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-02 05:19:13,302 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 491 [2019-10-02 05:19:13,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:19:13,386 INFO L225 Difference]: With dead ends: 71617 [2019-10-02 05:19:13,386 INFO L226 Difference]: Without dead ends: 35086 [2019-10-02 05:19:13,424 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2019-10-02 05:19:13,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35086 states. [2019-10-02 05:19:14,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35086 to 28673. [2019-10-02 05:19:14,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28673 states. [2019-10-02 05:19:14,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28673 states to 28673 states and 35583 transitions. [2019-10-02 05:19:14,251 INFO L78 Accepts]: Start accepts. Automaton has 28673 states and 35583 transitions. Word has length 491 [2019-10-02 05:19:14,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:19:14,252 INFO L475 AbstractCegarLoop]: Abstraction has 28673 states and 35583 transitions. [2019-10-02 05:19:14,252 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 05:19:14,252 INFO L276 IsEmpty]: Start isEmpty. Operand 28673 states and 35583 transitions. [2019-10-02 05:19:14,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2019-10-02 05:19:14,264 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:19:14,264 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 9, 9, 9, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:19:14,265 INFO L418 AbstractCegarLoop]: === Iteration 16 === [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]=== [2019-10-02 05:19:14,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:19:14,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1792879541, now seen corresponding path program 1 times [2019-10-02 05:19:14,265 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:19:14,266 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:19:14,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:14,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:19:14,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:19:14,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2367 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2354 trivial. 0 not checked. [2019-10-02 05:19:14,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:19:14,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:19:14,605 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:19:14,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:19:14,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:19:14,606 INFO L87 Difference]: Start difference. First operand 28673 states and 35583 transitions. Second operand 3 states. [2019-10-02 05:19:16,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:19:16,048 INFO L93 Difference]: Finished difference Result 71782 states and 89186 transitions. [2019-10-02 05:19:16,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:19:16,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 491 [2019-10-02 05:19:16,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:19:16,161 INFO L225 Difference]: With dead ends: 71782 [2019-10-02 05:19:16,162 INFO L226 Difference]: Without dead ends: 43557 [2019-10-02 05:19:16,194 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 [2019-10-02 05:19:16,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43557 states. [2019-10-02 05:19:17,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43557 to 43529. [2019-10-02 05:19:17,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43529 states. [2019-10-02 05:19:17,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43529 states to 43529 states and 54076 transitions. [2019-10-02 05:19:17,396 INFO L78 Accepts]: Start accepts. Automaton has 43529 states and 54076 transitions. Word has length 491 [2019-10-02 05:19:17,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:19:17,396 INFO L475 AbstractCegarLoop]: Abstraction has 43529 states and 54076 transitions. [2019-10-02 05:19:17,396 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:19:17,396 INFO L276 IsEmpty]: Start isEmpty. Operand 43529 states and 54076 transitions. [2019-10-02 05:19:17,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2019-10-02 05:19:17,410 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:19:17,411 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 10, 10, 10, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:19:17,411 INFO L418 AbstractCegarLoop]: === Iteration 17 === [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]=== [2019-10-02 05:19:17,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:19:17,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1562135133, now seen corresponding path program 1 times [2019-10-02 05:19:17,412 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:19:17,412 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:19:17,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:17,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:19:17,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:19:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2403 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2390 trivial. 0 not checked. [2019-10-02 05:19:17,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:19:17,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:19:17,676 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:19:17,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:19:17,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:19:17,677 INFO L87 Difference]: Start difference. First operand 43529 states and 54076 transitions. Second operand 3 states. [2019-10-02 05:19:19,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:19:19,486 INFO L93 Difference]: Finished difference Result 106400 states and 132296 transitions. [2019-10-02 05:19:19,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:19:19,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 492 [2019-10-02 05:19:19,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:19:19,641 INFO L225 Difference]: With dead ends: 106400 [2019-10-02 05:19:19,642 INFO L226 Difference]: Without dead ends: 63319 [2019-10-02 05:19:19,708 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 [2019-10-02 05:19:19,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63319 states. [2019-10-02 05:19:21,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63319 to 63283. [2019-10-02 05:19:21,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63283 states. [2019-10-02 05:19:21,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63283 states to 63283 states and 78669 transitions. [2019-10-02 05:19:22,004 INFO L78 Accepts]: Start accepts. Automaton has 63283 states and 78669 transitions. Word has length 492 [2019-10-02 05:19:22,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:19:22,005 INFO L475 AbstractCegarLoop]: Abstraction has 63283 states and 78669 transitions. [2019-10-02 05:19:22,005 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:19:22,005 INFO L276 IsEmpty]: Start isEmpty. Operand 63283 states and 78669 transitions. [2019-10-02 05:19:22,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2019-10-02 05:19:22,033 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:19:22,034 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 10, 10, 10, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:19:22,034 INFO L418 AbstractCegarLoop]: === Iteration 18 === [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]=== [2019-10-02 05:19:22,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:19:22,034 INFO L82 PathProgramCache]: Analyzing trace with hash 64676165, now seen corresponding path program 1 times [2019-10-02 05:19:22,034 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:19:22,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:19:22,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:22,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:19:22,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:19:22,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2403 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2390 trivial. 0 not checked. [2019-10-02 05:19:22,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:19:22,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:19:22,416 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:19:22,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:19:22,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:19:22,417 INFO L87 Difference]: Start difference. First operand 63283 states and 78669 transitions. Second operand 3 states. [2019-10-02 05:19:26,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:19:26,563 INFO L93 Difference]: Finished difference Result 154179 states and 191838 transitions. [2019-10-02 05:19:26,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:19:26,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 495 [2019-10-02 05:19:26,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:19:26,872 INFO L225 Difference]: With dead ends: 154179 [2019-10-02 05:19:26,872 INFO L226 Difference]: Without dead ends: 91344 [2019-10-02 05:19:26,957 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 [2019-10-02 05:19:27,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91344 states. [2019-10-02 05:19:29,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91344 to 91324. [2019-10-02 05:19:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91324 states. [2019-10-02 05:19:29,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91324 states to 91324 states and 113610 transitions. [2019-10-02 05:19:29,931 INFO L78 Accepts]: Start accepts. Automaton has 91324 states and 113610 transitions. Word has length 495 [2019-10-02 05:19:29,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:19:29,931 INFO L475 AbstractCegarLoop]: Abstraction has 91324 states and 113610 transitions. [2019-10-02 05:19:29,932 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:19:29,932 INFO L276 IsEmpty]: Start isEmpty. Operand 91324 states and 113610 transitions. [2019-10-02 05:19:29,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2019-10-02 05:19:29,978 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:19:29,979 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 10, 10, 10, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:19:29,979 INFO L418 AbstractCegarLoop]: === Iteration 19 === [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]=== [2019-10-02 05:19:29,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:19:29,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1506061994, now seen corresponding path program 1 times [2019-10-02 05:19:29,980 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:19:29,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:19:29,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:29,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:19:29,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:19:30,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2473 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 2441 trivial. 0 not checked. [2019-10-02 05:19:30,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:19:30,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:19:30,280 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:19:30,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:19:30,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:19:30,281 INFO L87 Difference]: Start difference. First operand 91324 states and 113610 transitions. Second operand 5 states. [2019-10-02 05:19:43,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:19:43,094 INFO L93 Difference]: Finished difference Result 223764 states and 278220 transitions. [2019-10-02 05:19:43,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 05:19:43,094 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 535 [2019-10-02 05:19:43,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:19:43,670 INFO L225 Difference]: With dead ends: 223764 [2019-10-02 05:19:43,670 INFO L226 Difference]: Without dead ends: 132888 [2019-10-02 05:19:43,768 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-02 05:19:43,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132888 states. [2019-10-02 05:19:48,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132888 to 132788. [2019-10-02 05:19:48,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132788 states. [2019-10-02 05:19:48,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132788 states to 132788 states and 164791 transitions. [2019-10-02 05:19:48,296 INFO L78 Accepts]: Start accepts. Automaton has 132788 states and 164791 transitions. Word has length 535 [2019-10-02 05:19:48,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:19:48,296 INFO L475 AbstractCegarLoop]: Abstraction has 132788 states and 164791 transitions. [2019-10-02 05:19:48,297 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:19:48,297 INFO L276 IsEmpty]: Start isEmpty. Operand 132788 states and 164791 transitions. [2019-10-02 05:19:48,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2019-10-02 05:19:48,339 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:19:48,339 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 10, 10, 10, 8, 8, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:19:48,340 INFO L418 AbstractCegarLoop]: === Iteration 20 === [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]=== [2019-10-02 05:19:48,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:19:48,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1055247000, now seen corresponding path program 1 times [2019-10-02 05:19:48,340 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:19:48,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:19:48,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:48,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:19:48,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:19:51,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 2417 trivial. 0 not checked. [2019-10-02 05:19:51,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:19:51,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:19:51,297 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:19:51,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:19:51,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:19:51,297 INFO L87 Difference]: Start difference. First operand 132788 states and 164791 transitions. Second operand 5 states. [2019-10-02 05:20:04,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:20:04,453 INFO L93 Difference]: Finished difference Result 285781 states and 354975 transitions. [2019-10-02 05:20:04,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 05:20:04,453 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 534 [2019-10-02 05:20:04,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:20:04,838 INFO L225 Difference]: With dead ends: 285781 [2019-10-02 05:20:04,838 INFO L226 Difference]: Without dead ends: 153441 [2019-10-02 05:20:04,995 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 [2019-10-02 05:20:05,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153441 states. [2019-10-02 05:20:13,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153441 to 153341. [2019-10-02 05:20:13,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153341 states. [2019-10-02 05:20:14,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153341 states to 153341 states and 190293 transitions. [2019-10-02 05:20:14,219 INFO L78 Accepts]: Start accepts. Automaton has 153341 states and 190293 transitions. Word has length 534 [2019-10-02 05:20:14,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:20:14,220 INFO L475 AbstractCegarLoop]: Abstraction has 153341 states and 190293 transitions. [2019-10-02 05:20:14,220 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:20:14,220 INFO L276 IsEmpty]: Start isEmpty. Operand 153341 states and 190293 transitions. [2019-10-02 05:20:14,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2019-10-02 05:20:14,259 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:20:14,259 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 10, 10, 10, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:20:14,260 INFO L418 AbstractCegarLoop]: === Iteration 21 === [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]=== [2019-10-02 05:20:14,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:20:14,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1357770234, now seen corresponding path program 1 times [2019-10-02 05:20:14,260 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:20:14,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:20:14,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:20:14,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:20:14,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:20:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:20:14,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2409 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2396 trivial. 0 not checked. [2019-10-02 05:20:14,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:20:14,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:20:14,560 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:20:14,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:20:14,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:20:14,560 INFO L87 Difference]: Start difference. First operand 153341 states and 190293 transitions. Second operand 3 states. [2019-10-02 05:20:23,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:20:23,007 INFO L93 Difference]: Finished difference Result 309398 states and 383303 transitions. [2019-10-02 05:20:23,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:20:23,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 508 [2019-10-02 05:20:23,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:20:23,378 INFO L225 Difference]: With dead ends: 309398 [2019-10-02 05:20:23,378 INFO L226 Difference]: Without dead ends: 156505 [2019-10-02 05:20:23,565 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 [2019-10-02 05:20:23,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156505 states. [2019-10-02 05:20:33,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156505 to 156477. [2019-10-02 05:20:33,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156477 states. [2019-10-02 05:20:34,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156477 states to 156477 states and 193299 transitions. [2019-10-02 05:20:34,026 INFO L78 Accepts]: Start accepts. Automaton has 156477 states and 193299 transitions. Word has length 508 [2019-10-02 05:20:34,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:20:34,027 INFO L475 AbstractCegarLoop]: Abstraction has 156477 states and 193299 transitions. [2019-10-02 05:20:34,027 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:20:34,027 INFO L276 IsEmpty]: Start isEmpty. Operand 156477 states and 193299 transitions. [2019-10-02 05:20:34,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2019-10-02 05:20:34,084 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:20:34,084 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 10, 10, 10, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:20:34,084 INFO L418 AbstractCegarLoop]: === Iteration 22 === [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]=== [2019-10-02 05:20:34,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:20:34,085 INFO L82 PathProgramCache]: Analyzing trace with hash 814744055, now seen corresponding path program 1 times [2019-10-02 05:20:34,085 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:20:34,085 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:20:34,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:20:34,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:20:34,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:20:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:20:34,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2468 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2019-10-02 05:20:34,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:20:34,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-02 05:20:34,433 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 05:20:34,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 05:20:34,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:20:34,434 INFO L87 Difference]: Start difference. First operand 156477 states and 193299 transitions. Second operand 8 states. [2019-10-02 05:20:57,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:20:57,837 INFO L93 Difference]: Finished difference Result 413988 states and 511582 transitions. [2019-10-02 05:20:57,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-02 05:20:57,839 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 520 [2019-10-02 05:20:57,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:20:58,513 INFO L225 Difference]: With dead ends: 413988 [2019-10-02 05:20:58,514 INFO L226 Difference]: Without dead ends: 257959 [2019-10-02 05:20:58,739 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-10-02 05:20:58,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257959 states. [2019-10-02 05:21:14,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257959 to 257599. [2019-10-02 05:21:14,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257599 states. [2019-10-02 05:21:15,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257599 states to 257599 states and 317376 transitions. [2019-10-02 05:21:15,848 INFO L78 Accepts]: Start accepts. Automaton has 257599 states and 317376 transitions. Word has length 520 [2019-10-02 05:21:15,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:21:15,849 INFO L475 AbstractCegarLoop]: Abstraction has 257599 states and 317376 transitions. [2019-10-02 05:21:15,849 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 05:21:15,849 INFO L276 IsEmpty]: Start isEmpty. Operand 257599 states and 317376 transitions. [2019-10-02 05:21:15,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2019-10-02 05:21:15,907 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:21:15,908 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:21:15,908 INFO L418 AbstractCegarLoop]: === Iteration 23 === [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]=== [2019-10-02 05:21:15,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:21:15,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1326200113, now seen corresponding path program 1 times [2019-10-02 05:21:15,908 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:21:15,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:21:15,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:21:15,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:21:15,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:21:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:21:16,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2440 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2019-10-02 05:21:16,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:21:16,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:21:16,190 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:21:16,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:21:16,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:21:16,191 INFO L87 Difference]: Start difference. First operand 257599 states and 317376 transitions. Second operand 5 states. [2019-10-02 05:21:41,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:21:41,042 INFO L93 Difference]: Finished difference Result 515138 states and 634847 transitions. [2019-10-02 05:21:41,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 05:21:41,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 521 [2019-10-02 05:21:41,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:21:41,707 INFO L225 Difference]: With dead ends: 515138 [2019-10-02 05:21:41,707 INFO L226 Difference]: Without dead ends: 257987 [2019-10-02 05:21:41,984 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 [2019-10-02 05:21:42,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257987 states. [2019-10-02 05:21:59,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257987 to 257839. [2019-10-02 05:21:59,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257839 states. [2019-10-02 05:22:00,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257839 states to 257839 states and 317016 transitions. [2019-10-02 05:22:00,086 INFO L78 Accepts]: Start accepts. Automaton has 257839 states and 317016 transitions. Word has length 521 [2019-10-02 05:22:00,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:22:00,087 INFO L475 AbstractCegarLoop]: Abstraction has 257839 states and 317016 transitions. [2019-10-02 05:22:00,087 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:22:00,087 INFO L276 IsEmpty]: Start isEmpty. Operand 257839 states and 317016 transitions. [2019-10-02 05:22:00,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2019-10-02 05:22:00,135 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:22:00,135 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 10, 10, 10, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:22:00,135 INFO L418 AbstractCegarLoop]: === Iteration 24 === [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]=== [2019-10-02 05:22:00,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:22:00,136 INFO L82 PathProgramCache]: Analyzing trace with hash -682093284, now seen corresponding path program 1 times [2019-10-02 05:22:00,136 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:22:00,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:22:00,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:22:00,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:22:00,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:22:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:22:00,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2466 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2019-10-02 05:22:00,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:22:00,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:22:00,418 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:22:00,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:22:00,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:22:00,418 INFO L87 Difference]: Start difference. First operand 257839 states and 317016 transitions. Second operand 5 states. [2019-10-02 05:22:30,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:22:30,185 INFO L93 Difference]: Finished difference Result 597418 states and 733814 transitions. [2019-10-02 05:22:30,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 05:22:30,186 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 521 [2019-10-02 05:22:30,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:22:31,084 INFO L225 Difference]: With dead ends: 597418 [2019-10-02 05:22:31,084 INFO L226 Difference]: Without dead ends: 340027 [2019-10-02 05:22:31,391 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-02 05:22:31,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340027 states. [2019-10-02 05:22:55,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340027 to 339767. [2019-10-02 05:22:55,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339767 states. [2019-10-02 05:22:56,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339767 states to 339767 states and 416591 transitions. [2019-10-02 05:22:56,091 INFO L78 Accepts]: Start accepts. Automaton has 339767 states and 416591 transitions. Word has length 521 [2019-10-02 05:22:56,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:22:56,091 INFO L475 AbstractCegarLoop]: Abstraction has 339767 states and 416591 transitions. [2019-10-02 05:22:56,092 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:22:56,092 INFO L276 IsEmpty]: Start isEmpty. Operand 339767 states and 416591 transitions. [2019-10-02 05:22:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2019-10-02 05:22:56,170 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:22:56,170 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 10, 10, 10, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:22:56,170 INFO L418 AbstractCegarLoop]: === Iteration 25 === [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]=== [2019-10-02 05:22:56,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:22:56,171 INFO L82 PathProgramCache]: Analyzing trace with hash -582005660, now seen corresponding path program 1 times [2019-10-02 05:22:56,171 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:22:56,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:22:56,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:22:56,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:22:56,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:22:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:22:56,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2471 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 2410 trivial. 0 not checked. [2019-10-02 05:22:56,513 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:22:56,513 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 05:22:56,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:22:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:22:57,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 4605 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 05:22:57,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:22:59,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2471 backedges. 174 proven. 3 refuted. 0 times theorem prover too weak. 2294 trivial. 0 not checked. [2019-10-02 05:22:59,059 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 05:22:59,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-10-02 05:22:59,060 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 05:22:59,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 05:22:59,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-02 05:22:59,061 INFO L87 Difference]: Start difference. First operand 339767 states and 416591 transitions. Second operand 11 states. [2019-10-02 05:23:41,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:23:41,465 INFO L93 Difference]: Finished difference Result 768027 states and 942674 transitions. [2019-10-02 05:23:41,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-10-02 05:23:41,466 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 527 [2019-10-02 05:23:41,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:23:42,665 INFO L225 Difference]: With dead ends: 768027 [2019-10-02 05:23:42,666 INFO L226 Difference]: Without dead ends: 428708 [2019-10-02 05:23:43,980 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=299, Invalid=961, Unknown=0, NotChecked=0, Total=1260 [2019-10-02 05:23:44,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428708 states. [2019-10-02 05:24:21,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428708 to 428332. [2019-10-02 05:24:21,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428332 states. [2019-10-02 05:24:22,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428332 states to 428332 states and 523842 transitions. [2019-10-02 05:24:22,531 INFO L78 Accepts]: Start accepts. Automaton has 428332 states and 523842 transitions. Word has length 527 [2019-10-02 05:24:22,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:24:22,532 INFO L475 AbstractCegarLoop]: Abstraction has 428332 states and 523842 transitions. [2019-10-02 05:24:22,532 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 05:24:22,532 INFO L276 IsEmpty]: Start isEmpty. Operand 428332 states and 523842 transitions. [2019-10-02 05:24:22,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2019-10-02 05:24:22,590 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:24:22,590 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 11, 11, 11, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:24:22,590 INFO L418 AbstractCegarLoop]: === Iteration 26 === [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]=== [2019-10-02 05:24:22,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:24:22,591 INFO L82 PathProgramCache]: Analyzing trace with hash -2051630395, now seen corresponding path program 1 times [2019-10-02 05:24:22,591 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:24:22,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:24:22,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:24:22,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:24:22,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:24:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:24:22,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2510 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 2450 trivial. 0 not checked. [2019-10-02 05:24:22,931 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:24:22,931 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 05:24:23,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:24:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:24:24,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 4570 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 05:24:24,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:24:25,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2510 backedges. 197 proven. 3 refuted. 0 times theorem prover too weak. 2310 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (7)] Exception during sending of exit command (exit): Stream closed [2019-10-02 05:24:25,041 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 05:24:25,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-10-02 05:24:25,042 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 05:24:25,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 05:24:25,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-02 05:24:25,043 INFO L87 Difference]: Start difference. First operand 428332 states and 523842 transitions. Second operand 11 states. [2019-10-02 05:25:24,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:25:24,537 INFO L93 Difference]: Finished difference Result 1048365 states and 1285656 transitions. [2019-10-02 05:25:24,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-10-02 05:25:24,537 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 530 [2019-10-02 05:25:24,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:25:27,025 INFO L225 Difference]: With dead ends: 1048365 [2019-10-02 05:25:27,025 INFO L226 Difference]: Without dead ends: 620481 [2019-10-02 05:25:27,522 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 580 GetRequests, 546 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=299, Invalid=961, Unknown=0, NotChecked=0, Total=1260 [2019-10-02 05:25:28,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620481 states. [2019-10-02 05:26:11,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620481 to 619801. [2019-10-02 05:26:11,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619801 states. [2019-10-02 05:26:13,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619801 states to 619801 states and 758467 transitions. [2019-10-02 05:26:13,225 INFO L78 Accepts]: Start accepts. Automaton has 619801 states and 758467 transitions. Word has length 530 [2019-10-02 05:26:13,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:26:13,225 INFO L475 AbstractCegarLoop]: Abstraction has 619801 states and 758467 transitions. [2019-10-02 05:26:13,225 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 05:26:13,226 INFO L276 IsEmpty]: Start isEmpty. Operand 619801 states and 758467 transitions. [2019-10-02 05:26:13,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2019-10-02 05:26:13,334 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:26:13,335 INFO L411 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 11, 11, 11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:26:13,335 INFO L418 AbstractCegarLoop]: === Iteration 27 === [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]=== [2019-10-02 05:26:13,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:26:13,336 INFO L82 PathProgramCache]: Analyzing trace with hash 680593960, now seen corresponding path program 1 times [2019-10-02 05:26:13,336 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:26:13,336 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:26:13,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:26:13,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:26:13,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:26:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:26:13,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2614 backedges. 65 proven. 10 refuted. 0 times theorem prover too weak. 2539 trivial. 0 not checked. [2019-10-02 05:26:13,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:26:13,613 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 05:26:24,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:26:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:26:25,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 4704 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 05:26:25,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:26:25,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2614 backedges. 277 proven. 3 refuted. 0 times theorem prover too weak. 2334 trivial. 0 not checked. [2019-10-02 05:26:25,169 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 05:26:25,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-10-02 05:26:25,171 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 05:26:25,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 05:26:25,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:26:25,171 INFO L87 Difference]: Start difference. First operand 619801 states and 758467 transitions. Second operand 8 states. [2019-10-02 05:27:31,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:27:31,648 INFO L93 Difference]: Finished difference Result 1469982 states and 1800565 transitions. [2019-10-02 05:27:31,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-02 05:27:31,648 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 560 [2019-10-02 05:27:31,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:27:34,325 INFO L225 Difference]: With dead ends: 1469982 [2019-10-02 05:27:34,325 INFO L226 Difference]: Without dead ends: 850629 [2019-10-02 05:27:35,085 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2019-10-02 05:27:36,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850629 states.