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-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 05:51:32,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 05:51:32,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 05:51:32,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 05:51:32,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 05:51:32,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 05:51:32,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 05:51:32,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 05:51:32,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 05:51:32,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 05:51:32,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 05:51:32,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 05:51:32,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 05:51:32,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 05:51:32,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 05:51:32,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 05:51:32,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 05:51:32,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 05:51:32,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 05:51:32,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 05:51:32,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 05:51:32,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 05:51:32,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 05:51:32,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 05:51:32,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 05:51:32,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 05:51:32,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 05:51:32,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 05:51:32,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 05:51:32,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 05:51:32,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 05:51:32,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 05:51:32,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 05:51:32,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 05:51:32,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 05:51:32,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 05:51:32,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 05:51:32,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 05:51:32,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 05:51:32,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 05:51:32,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 05:51:32,439 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 05:51:32,454 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 05:51:32,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 05:51:32,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 05:51:32,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 05:51:32,455 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 05:51:32,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 05:51:32,456 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 05:51:32,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 05:51:32,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 05:51:32,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 05:51:32,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 05:51:32,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 05:51:32,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 05:51:32,457 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 05:51:32,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 05:51:32,458 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 05:51:32,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 05:51:32,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 05:51:32,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 05:51:32,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 05:51:32,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 05:51:32,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 05:51:32,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 05:51:32,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 05:51:32,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 05:51:32,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 05:51:32,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 05:51:32,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 05:51:32,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 05:51:32,492 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 05:51:32,505 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 05:51:32,508 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 05:51:32,510 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 05:51:32,510 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 05:51:32,511 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2019-10-02 05:51:32,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5819aadf/3668df7de5294f1287ef18a75ea30eab/FLAG044d56fd3 [2019-10-02 05:51:33,485 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 05:51:33,488 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2019-10-02 05:51:33,595 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5819aadf/3668df7de5294f1287ef18a75ea30eab/FLAG044d56fd3 [2019-10-02 05:51:33,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5819aadf/3668df7de5294f1287ef18a75ea30eab [2019-10-02 05:51:33,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 05:51:33,860 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 05:51:33,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 05:51:33,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 05:51:33,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 05:51:33,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 05:51:33" (1/1) ... [2019-10-02 05:51:33,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5510b8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:33, skipping insertion in model container [2019-10-02 05:51:33,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 05:51:33" (1/1) ... [2019-10-02 05:51:33,880 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 05:51:34,106 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 05:51:39,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 05:51:39,897 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 05:51:40,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 05:51:41,513 INFO L192 MainTranslator]: Completed translation [2019-10-02 05:51:41,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:41 WrapperNode [2019-10-02 05:51:41,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 05:51:41,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 05:51:41,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 05:51:41,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 05:51:41,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:41" (1/1) ... [2019-10-02 05:51:41,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:41" (1/1) ... [2019-10-02 05:51:41,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:41" (1/1) ... [2019-10-02 05:51:41,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:41" (1/1) ... [2019-10-02 05:51:41,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:41" (1/1) ... [2019-10-02 05:51:41,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:41" (1/1) ... [2019-10-02 05:51:41,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:41" (1/1) ... [2019-10-02 05:51:42,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 05:51:42,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 05:51:42,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 05:51:42,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 05:51:42,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:41" (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 05:51:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 05:51:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 05:51:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 05:51:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-02 05:51:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-02 05:51:42,197 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-02 05:51:42,197 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-02 05:51:42,197 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-02 05:51:42,198 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-02 05:51:42,199 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit_lock [2019-10-02 05:51:42,199 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-02 05:51:42,199 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-02 05:51:42,201 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-02 05:51:42,201 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-10-02 05:51:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-02 05:51:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-10-02 05:51:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-10-02 05:51:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 05:51:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-02 05:51:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-02 05:51:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2019-10-02 05:51:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2019-10-02 05:51:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2019-10-02 05:51:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2019-10-02 05:51:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2019-10-02 05:51:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2019-10-02 05:51:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2019-10-02 05:51:42,210 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-02 05:51:42,210 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-02 05:51:42,210 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-02 05:51:42,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-10-02 05:51:42,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-02 05:51:42,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-10-02 05:51:42,211 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-10-02 05:51:42,211 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2019-10-02 05:51:42,211 INFO L138 BoogieDeclarations]: Found implementation of procedure PageLocked [2019-10-02 05:51:42,211 INFO L138 BoogieDeclarations]: Found implementation of procedure PageError [2019-10-02 05:51:42,211 INFO L138 BoogieDeclarations]: Found implementation of procedure PageReferenced [2019-10-02 05:51:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure PageDirty [2019-10-02 05:51:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure PagePrivate [2019-10-02 05:51:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure PageWriteback [2019-10-02 05:51:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure PageMappedToDisk [2019-10-02 05:51:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure PageUptodate [2019-10-02 05:51:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageUptodate [2019-10-02 05:51:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure set_page_writeback [2019-10-02 05:51:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-02 05:51:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2019-10-02 05:51:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2019-10-02 05:51:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segments [2019-10-02 05:51:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segment [2019-10-02 05:51:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc [2019-10-02 05:51:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure trylock_page [2019-10-02 05:51:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_page [2019-10-02 05:51:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_on_page_locked [2019-10-02 05:51:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure set_buffer_mapped [2019-10-02 05:51:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 05:51:42,215 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 05:51:42,215 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2019-10-02 05:51:42,215 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SB [2019-10-02 05:51:42,215 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2019-10-02 05:51:42,215 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_page_array_len [2019-10-02 05:51:42,215 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2019-10-02 05:51:42,215 INFO L138 BoogieDeclarations]: Found implementation of procedure BL_INIT_INVAL_MARKS [2019-10-02 05:51:42,216 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LO2EXT [2019-10-02 05:51:42,216 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LSEG2EXT [2019-10-02 05:51:42,216 INFO L138 BoogieDeclarations]: Found implementation of procedure print_page [2019-10-02 05:51:42,216 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hole [2019-10-02 05:51:42,216 INFO L138 BoogieDeclarations]: Found implementation of procedure is_writable [2019-10-02 05:51:42,217 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_parallel [2019-10-02 05:51:42,217 INFO L138 BoogieDeclarations]: Found implementation of procedure get_parallel [2019-10-02 05:51:42,217 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_parallel [2019-10-02 05:51:42,217 INFO L138 BoogieDeclarations]: Found implementation of procedure put_parallel [2019-10-02 05:51:42,217 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_submit_bio [2019-10-02 05:51:42,218 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_init_bio [2019-10-02 05:51:42,218 INFO L138 BoogieDeclarations]: Found implementation of procedure do_add_page_to_bio [2019-10-02 05:51:42,218 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_add_page_to_bio [2019-10-02 05:51:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_read [2019-10-02 05:51:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_cleanup [2019-10-02 05:51:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_par_io_read [2019-10-02 05:51:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_pagelist [2019-10-02 05:51:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure mark_extents_written [2019-10-02 05:51:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write_zero [2019-10-02 05:51:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write [2019-10-02 05:51:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_cleanup [2019-10-02 05:51:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_par_io_write [2019-10-02 05:51:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure mark_bad_read [2019-10-02 05:51:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure map_block [2019-10-02 05:51:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_single_end_io [2019-10-02 05:51:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_do_readpage_sync [2019-10-02 05:51:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_partial_page_sync [2019-10-02 05:51:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure init_page_for_write [2019-10-02 05:51:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_find_get_zeroing_page [2019-10-02 05:51:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_pagelist [2019-10-02 05:51:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure release_extents [2019-10-02 05:51:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure release_inval_marks [2019-10-02 05:51:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_layout_hdr [2019-10-02 05:51:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_layout_hdr [2019-10-02 05:51:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_lseg [2019-10-02 05:51:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_lseg [2019-10-02 05:51:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_encode_layoutcommit [2019-10-02 05:51:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_cleanup_layoutcommit [2019-10-02 05:51:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure free_blk_mountid [2019-10-02 05:51:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_blk_get_deviceinfo [2019-10-02 05:51:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_set_layoutdriver [2019-10-02 05:51:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_clear_layoutdriver [2019-10-02 05:51:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure is_aligned_req [2019-10-02 05:51:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pg_init_read [2019-10-02 05:51:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pg_test_read [2019-10-02 05:51:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_num_cont_bytes [2019-10-02 05:51:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pg_init_write [2019-10-02 05:51:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pg_test_write [2019-10-02 05:51:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_register_sb [2019-10-02 05:51:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_unregister_sb [2019-10-02 05:51:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pipefs_event [2019-10-02 05:51:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_register_net [2019-10-02 05:51:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_unregister_net [2019-10-02 05:51:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_net_init [2019-10-02 05:51:42,227 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_net_exit [2019-10-02 05:51:42,227 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_init [2019-10-02 05:51:42,227 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_exit [2019-10-02 05:51:42,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2019-10-02 05:51:42,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_nfs4blocklayout_init_7_13 [2019-10-02 05:51:42,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-10-02 05:51:42,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_5_1 [2019-10-02 05:51:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_4_7_4 [2019-10-02 05:51:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_5_7_5 [2019-10-02 05:51:42,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_6_7_6 [2019-10-02 05:51:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_6_2 [2019-10-02 05:51:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_4_7_7 [2019-10-02 05:51:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_5_7_8 [2019-10-02 05:51:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_6_7_9 [2019-10-02 05:51:42,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-10-02 05:51:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-02 05:51:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-10-02 05:51:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_12 [2019-10-02 05:51:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_13 [2019-10-02 05:51:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_14 [2019-10-02 05:51:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_15 [2019-10-02 05:51:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_16 [2019-10-02 05:51:42,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_17 [2019-10-02 05:51:42,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_18 [2019-10-02 05:51:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_19 [2019-10-02 05:51:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_22 [2019-10-02 05:51:42,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_23 [2019-10-02 05:51:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_24 [2019-10-02 05:51:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-10-02 05:51:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_9 [2019-10-02 05:51:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_12 [2019-10-02 05:51:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_13 [2019-10-02 05:51:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_14 [2019-10-02 05:51:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_15 [2019-10-02 05:51:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_16 [2019-10-02 05:51:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_17 [2019-10-02 05:51:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_18 [2019-10-02 05:51:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_19 [2019-10-02 05:51:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_22 [2019-10-02 05:51:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_23 [2019-10-02 05:51:42,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_24 [2019-10-02 05:51:42,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-02 05:51:42,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_9 [2019-10-02 05:51:42,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_10 [2019-10-02 05:51:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-02 05:51:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_7 [2019-10-02 05:51:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_7 [2019-10-02 05:51:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 05:51:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-10-02 05:51:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rpc_pipefs_notifier_register [2019-10-02 05:51:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rpc_pipefs_notifier_unregister [2019-10-02 05:51:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_notifier_block_dummy_resourceless_instance_0 [2019-10-02 05:51:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pernet_operations_dummy_resourceless_instance_1 [2019-10-02 05:51:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_2 [2019-10-02 05:51:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_3 [2019-10-02 05:51:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_rpc_pipe_ops_dummy_resourceless_instance_4 [2019-10-02 05:51:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-10-02 05:51:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-10-02 05:51:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2019-10-02 05:51:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-10-02 05:51:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_5 [2019-10-02 05:51:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-10-02 05:51:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2019-10-02 05:51:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_1 [2019-10-02 05:51:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_5 [2019-10-02 05:51:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-10-02 05:51:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_5 [2019-10-02 05:51:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-10-02 05:51:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_5 [2019-10-02 05:51:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-02 05:51:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-02 05:51:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-02 05:51:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 05:51:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2019-10-02 05:51:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2019-10-02 05:51:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2019-10-02 05:51:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2019-10-02 05:51:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rpc_pipefs_notifier_register_83 [2019-10-02 05:51:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rpc_pipefs_notifier_unregister_84 [2019-10-02 05:51:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rpc_pipefs_notifier_unregister_85 [2019-10-02 05:51:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-02 05:51:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure list_replace [2019-10-02 05:51:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-02 05:51:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2019-10-02 05:51:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-02 05:51:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2019-10-02 05:51:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-02 05:51:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-02 05:51:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-02 05:51:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2019-10-02 05:51:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-10-02 05:51:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be64 [2019-10-02 05:51:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_hyper [2019-10-02 05:51:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_choose_list [2019-10-02 05:51:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize [2019-10-02 05:51:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_up [2019-10-02 05:51:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure _find_entry [2019-10-02 05:51:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure _has_tag [2019-10-02 05:51:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure _add_entry [2019-10-02 05:51:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_range [2019-10-02 05:51:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure _preload_range [2019-10-02 05:51:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_is_sector_init [2019-10-02 05:51:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure _range_has_tag [2019-10-02 05:51:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure is_range_written [2019-10-02 05:51:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_mark_sectors_init [2019-10-02 05:51:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure mark_written_sectors [2019-10-02 05:51:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure print_short_extent [2019-10-02 05:51:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure print_clist [2019-10-02 05:51:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_commitlist [2019-10-02 05:51:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_mark_for_commit [2019-10-02 05:51:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure print_bl_extent [2019-10-02 05:51:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_extent [2019-10-02 05:51:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_put_extent [2019-10-02 05:51:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_extent [2019-10-02 05:51:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure print_elist [2019-10-02 05:51:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure extents_consistent [2019-10-02 05:51:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_add_merge_extent [2019-10-02 05:51:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_find_get_extent [2019-10-02 05:51:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_find_get_extent_locked [2019-10-02 05:51:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure encode_pnfs_block_layoutupdate [2019-10-02 05:51:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure _prep_new_extent [2019-10-02 05:51:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure _front_merge [2019-10-02 05:51:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure set_to_rw [2019-10-02 05:51:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_pnfs_block_layoutupdate [2019-10-02 05:51:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_push_one_short_extent [2019-10-02 05:51:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pop_one_short_extent [2019-10-02 05:51:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_short_extents [2019-10-02 05:51:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2019-10-02 05:51:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2019-10-02 05:51:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_105 [2019-10-02 05:51:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_106 [2019-10-02 05:51:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2019-10-02 05:51:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab64p [2019-10-02 05:51:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __be64_to_cpup [2019-10-02 05:51:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2019-10-02 05:51:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_CAST [2019-10-02 05:51:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-02 05:51:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be64 [2019-10-02 05:51:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_decode_hyper [2019-10-02 05:51:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_sector_number [2019-10-02 05:51:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_blkdev_put [2019-10-02 05:51:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pipe_downcall [2019-10-02 05:51:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pipe_destroy_msg [2019-10-02 05:51:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_blk_decode_device [2019-10-02 05:51:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_devid [2019-10-02 05:51:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_extent [2019-10-02 05:51:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_blk_process_layoutget [2019-10-02 05:51:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add___1 [2019-10-02 05:51:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub___1 [2019-10-02 05:51:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock___1 [2019-10-02 05:51:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock___1 [2019-10-02 05:51:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock___1 [2019-10-02 05:51:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock___1 [2019-10-02 05:51:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic___1 [2019-10-02 05:51:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_remove [2019-10-02 05:51:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_blk_metadev_release [2019-10-02 05:51:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_block_dev [2019-10-02 05:51:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-02 05:51:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-02 05:51:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-02 05:51:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 05:51:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 05:51:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 05:51:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 05:51:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-02 05:51:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-02 05:51:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-02 05:51:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-02 05:51:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-02 05:51:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-02 05:51:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 05:51:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 05:51:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-02 05:51:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 05:51:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-02 05:51:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 05:51:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-02 05:51:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-02 05:51:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-02 05:51:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-02 05:51:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-02 05:51:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-02 05:51:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-02 05:51:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 05:51:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 05:51:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 05:51:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-02 05:51:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-02 05:51:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-02 05:51:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-02 05:51:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-02 05:51:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-02 05:51:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-02 05:51:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-02 05:51:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-02 05:51:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-02 05:51:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-02 05:51:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-02 05:51:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-02 05:51:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-02 05:51:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-02 05:51:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-02 05:51:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-02 05:51:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-02 05:51:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-02 05:51:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-02 05:51:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-02 05:51:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-02 05:51:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bl_ext_lock_of_pnfs_block_layout [2019-10-02 05:51:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bl_ext_lock_of_pnfs_block_layout [2019-10-02 05:51:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_bl_ext_lock_of_pnfs_block_layout [2019-10-02 05:51:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_bl_ext_lock_of_pnfs_block_layout [2019-10-02 05:51:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_bl_ext_lock_of_pnfs_block_layout [2019-10-02 05:51:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_bl_ext_lock_of_pnfs_block_layout [2019-10-02 05:51:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_bl_ext_lock_of_pnfs_block_layout [2019-10-02 05:51:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_bl_ext_lock_of_pnfs_block_layout [2019-10-02 05:51:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bm_lock_of_block_mount_id [2019-10-02 05:51:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bm_lock_of_block_mount_id [2019-10-02 05:51:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_bm_lock_of_block_mount_id [2019-10-02 05:51:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_bm_lock_of_block_mount_id [2019-10-02 05:51:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_bm_lock_of_block_mount_id [2019-10-02 05:51:42,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_bm_lock_of_block_mount_id [2019-10-02 05:51:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_bm_lock_of_block_mount_id [2019-10-02 05:51:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_bm_lock_of_block_mount_id [2019-10-02 05:51:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cl_lock_of_nfs_client [2019-10-02 05:51:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_cl_lock_of_nfs_client [2019-10-02 05:51:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_cl_lock_of_nfs_client [2019-10-02 05:51:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_cl_lock_of_nfs_client [2019-10-02 05:51:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_cl_lock_of_nfs_client [2019-10-02 05:51:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_cl_lock_of_nfs_client [2019-10-02 05:51:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_cl_lock_of_nfs_client [2019-10-02 05:51:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_cl_lock_of_nfs_client [2019-10-02 05:51:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-10-02 05:51:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-02 05:51:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-02 05:51:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-02 05:51:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-02 05:51:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-02 05:51:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-02 05:51:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-02 05:51:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2019-10-02 05:51:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2019-10-02 05:51:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_im_lock_of_pnfs_inval_markings [2019-10-02 05:51:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_im_lock_of_pnfs_inval_markings [2019-10-02 05:51:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_im_lock_of_pnfs_inval_markings [2019-10-02 05:51:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_im_lock_of_pnfs_inval_markings [2019-10-02 05:51:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_im_lock_of_pnfs_inval_markings [2019-10-02 05:51:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_im_lock_of_pnfs_inval_markings [2019-10-02 05:51:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-10-02 05:51:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-10-02 05:51:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-10-02 05:51:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-10-02 05:51:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-10-02 05:51:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-10-02 05:51:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-10-02 05:51:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-10-02 05:51:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_res_counter [2019-10-02 05:51:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_res_counter [2019-10-02 05:51:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_res_counter [2019-10-02 05:51:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_res_counter [2019-10-02 05:51:42,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_res_counter [2019-10-02 05:51:42,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_res_counter [2019-10-02 05:51:42,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_res_counter [2019-10-02 05:51:42,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2019-10-02 05:51:42,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-02 05:51:42,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-02 05:51:42,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-02 05:51:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-02 05:51:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-02 05:51:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-02 05:51:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-02 05:51:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-02 05:51:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-02 05:51:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-02 05:51:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-02 05:51:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-02 05:51:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-02 05:51:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-02 05:51:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-02 05:51:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-02 05:51:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-10-02 05:51:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-10-02 05:51:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-10-02 05:51:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-10-02 05:51:42,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-10-02 05:51:42,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-10-02 05:51:42,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-10-02 05:51:42,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-10-02 05:51:42,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-02 05:51:42,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-02 05:51:42,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-02 05:51:42,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-02 05:51:42,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-02 05:51:42,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-02 05:51:42,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-02 05:51:42,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-02 05:51:42,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_sk_dst_lock_of_sock [2019-10-02 05:51:42,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2019-10-02 05:51:42,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2019-10-02 05:51:42,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2019-10-02 05:51:42,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2019-10-02 05:51:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2019-10-02 05:51:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2019-10-02 05:51:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2019-10-02 05:51:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-02 05:51:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-02 05:51:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-02 05:51:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-02 05:51:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-02 05:51:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-02 05:51:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-02 05:51:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-02 05:51:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 05:51:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-10-02 05:51:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-02 05:51:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-02 05:51:42,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-02 05:51:42,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-02 05:51:42,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_206 [2019-10-02 05:51:42,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_535 [2019-10-02 05:51:42,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_536 [2019-10-02 05:51:42,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-02 05:51:42,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2019-10-02 05:51:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-02 05:51:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-02 05:51:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-02 05:51:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-02 05:51:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __lock_page [2019-10-02 05:51:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-02 05:51:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 05:51:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-02 05:51:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-02 05:51:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-02 05:51:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-02 05:51:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-02 05:51:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-02 05:51:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-10-02 05:51:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_page_buffers [2019-10-02 05:51:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-10-02 05:51:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_submit_read [2019-10-02 05:51:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_uptodate_or_lock [2019-10-02 05:51:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_add_page [2019-10-02 05:51:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc_bioset [2019-10-02 05:51:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2019-10-02 05:51:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_get_by_dev [2019-10-02 05:51:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_put [2019-10-02 05:51:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-02 05:51:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2019-10-02 05:51:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure end_page_writeback [2019-10-02 05:51:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-02 05:51:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure find_get_page [2019-10-02 05:51:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure find_or_create_page [2019-10-02 05:51:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer_head [2019-10-02 05:51:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-02 05:51:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-02 05:51:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-02 05:51:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 05:51:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-02 05:51:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2019-10-02 05:51:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2019-10-02 05:51:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2019-10-02 05:51:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-02 05:51:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-10-02 05:51:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-02 05:51:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-10-02 05:51:42,304 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_proc_getdeviceinfo [2019-10-02 05:51:42,304 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_proc_getdevicelist [2019-10-02 05:51:42,304 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_dreq_bytes_left [2019-10-02 05:51:42,304 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2019-10-02 05:51:42,304 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_write_mds [2019-10-02 05:51:42,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_init_read [2019-10-02 05:51:42,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_init_write [2019-10-02 05:51:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_readpages [2019-10-02 05:51:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_test [2019-10-02 05:51:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_writepages [2019-10-02 05:51:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_ld_read_done [2019-10-02 05:51:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_ld_write_done [2019-10-02 05:51:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_register_layoutdriver [2019-10-02 05:51:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_set_lo_fail [2019-10-02 05:51:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_unregister_layoutdriver [2019-10-02 05:51:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 05:51:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2019-10-02 05:51:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-02 05:51:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure radix_tree_next_hole [2019-10-02 05:51:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-10-02 05:51:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2019-10-02 05:51:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pernet_subsys [2019-10-02 05:51:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2019-10-02 05:51:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_d_lookup_sb [2019-10-02 05:51:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_destroy_pipe_data [2019-10-02 05:51:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_get_sb_net [2019-10-02 05:51:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_mkpipe_data [2019-10-02 05:51:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_mkpipe_dentry [2019-10-02 05:51:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pipe_generic_upcall [2019-10-02 05:51:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pipefs_notifier_register [2019-10-02 05:51:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pipefs_notifier_unregister [2019-10-02 05:51:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_put_sb_net [2019-10-02 05:51:42,308 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_queue_upcall [2019-10-02 05:51:42,308 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_unlink [2019-10-02 05:51:42,308 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-02 05:51:42,308 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_bio [2019-10-02 05:51:42,308 INFO L138 BoogieDeclarations]: Found implementation of procedure test_set_page_writeback [2019-10-02 05:51:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-10-02 05:51:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_page [2019-10-02 05:51:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_subsys [2019-10-02 05:51:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_on_page_bit [2019-10-02 05:51:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-02 05:51:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_opaque_fixed [2019-10-02 05:51:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2019-10-02 05:51:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2019-10-02 05:51:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_reserve_space [2019-10-02 05:51:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2019-10-02 05:51:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2019-10-02 05:51:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 05:51:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 05:51:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 05:51:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 05:51:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 05:51:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 05:51:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 05:51:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 05:51:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 05:51:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-02 05:51:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-02 05:51:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 05:51:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-02 05:51:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-02 05:51:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 05:51:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-02 05:51:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-02 05:51:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-02 05:51:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-02 05:51:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit_lock [2019-10-02 05:51:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-02 05:51:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 05:51:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 05:51:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-02 05:51:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-02 05:51:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-02 05:51:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 05:51:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 05:51:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-02 05:51:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-02 05:51:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-02 05:51:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-02 05:51:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-02 05:51:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-02 05:51:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 05:51:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-10-02 05:51:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-02 05:51:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-02 05:51:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2019-10-02 05:51:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2019-10-02 05:51:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2019-10-02 05:51:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-10-02 05:51:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bl_ext_lock_of_pnfs_block_layout [2019-10-02 05:51:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bl_ext_lock_of_pnfs_block_layout [2019-10-02 05:51:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bm_lock_of_block_mount_id [2019-10-02 05:51:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bm_lock_of_block_mount_id [2019-10-02 05:51:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 05:51:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-02 05:51:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 05:51:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-02 05:51:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 05:51:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 05:51:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-02 05:51:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-02 05:51:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-02 05:51:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-10-02 05:51:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-10-02 05:51:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 05:51:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-02 05:51:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-02 05:51:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 05:51:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-02 05:51:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2019-10-02 05:51:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2019-10-02 05:51:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-02 05:51:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2019-10-02 05:51:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2019-10-02 05:51:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-02 05:51:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2019-10-02 05:51:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2019-10-02 05:51:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-10-02 05:51:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2019-10-02 05:51:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2019-10-02 05:51:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2019-10-02 05:51:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-02 05:51:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2019-10-02 05:51:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2019-10-02 05:51:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 05:51:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2019-10-02 05:51:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-02 05:51:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-02 05:51:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-02 05:51:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-02 05:51:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-10-02 05:51:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-02 05:51:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2019-10-02 05:51:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-10-02 05:51:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-02 05:51:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-10-02 05:51:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 05:51:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-10-02 05:51:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-10-02 05:51:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-10-02 05:51:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2019-10-02 05:51:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure radix_tree_next_hole [2019-10-02 05:51:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2019-10-02 05:51:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure submit_bio [2019-10-02 05:51:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure PageLocked [2019-10-02 05:51:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure PageError [2019-10-02 05:51:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure PageReferenced [2019-10-02 05:51:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure PageDirty [2019-10-02 05:51:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure PagePrivate [2019-10-02 05:51:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure PageWriteback [2019-10-02 05:51:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure PageMappedToDisk [2019-10-02 05:51:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure PageUptodate [2019-10-02 05:51:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageUptodate [2019-10-02 05:51:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure test_set_page_writeback [2019-10-02 05:51:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure set_page_writeback [2019-10-02 05:51:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2019-10-02 05:51:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-02 05:51:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2019-10-02 05:51:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2019-10-02 05:51:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_206 [2019-10-02 05:51:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segments [2019-10-02 05:51:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 05:51:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segment [2019-10-02 05:51:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc_bioset [2019-10-02 05:51:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2019-10-02 05:51:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc [2019-10-02 05:51:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure bio_add_page [2019-10-02 05:51:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure find_get_page [2019-10-02 05:51:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure find_or_create_page [2019-10-02 05:51:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure __lock_page [2019-10-02 05:51:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_page [2019-10-02 05:51:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure trylock_page [2019-10-02 05:51:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure lock_page [2019-10-02 05:51:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure wait_on_page_bit [2019-10-02 05:51:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure wait_on_page_locked [2019-10-02 05:51:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure end_page_writeback [2019-10-02 05:51:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure set_buffer_mapped [2019-10-02 05:51:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_page_buffers [2019-10-02 05:51:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer_head [2019-10-02 05:51:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure bh_uptodate_or_lock [2019-10-02 05:51:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure bh_submit_read [2019-10-02 05:51:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pipefs_notifier_register [2019-10-02 05:51:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rpc_pipefs_notifier_register_83 [2019-10-02 05:51:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pipefs_notifier_unregister [2019-10-02 05:51:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rpc_pipefs_notifier_unregister_84 [2019-10-02 05:51:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rpc_pipefs_notifier_unregister_85 [2019-10-02 05:51:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_d_lookup_sb [2019-10-02 05:51:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_get_sb_net [2019-10-02 05:51:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_put_sb_net [2019-10-02 05:51:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pipe_generic_upcall [2019-10-02 05:51:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_mkpipe_data [2019-10-02 05:51:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_destroy_pipe_data [2019-10-02 05:51:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_mkpipe_dentry [2019-10-02 05:51:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_unlink [2019-10-02 05:51:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 05:51:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 05:51:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 05:51:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 05:51:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 05:51:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure register_pernet_subsys [2019-10-02 05:51:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_subsys [2019-10-02 05:51:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2019-10-02 05:51:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SB [2019-10-02 05:51:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2019-10-02 05:51:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_register_layoutdriver [2019-10-02 05:51:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_unregister_layoutdriver [2019-10-02 05:51:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_proc_getdevicelist [2019-10-02 05:51:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_proc_getdeviceinfo [2019-10-02 05:51:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_init_read [2019-10-02 05:51:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_readpages [2019-10-02 05:51:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_init_write [2019-10-02 05:51:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_writepages [2019-10-02 05:51:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_test [2019-10-02 05:51:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_set_lo_fail [2019-10-02 05:51:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_ld_write_done [2019-10-02 05:51:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_ld_read_done [2019-10-02 05:51:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2019-10-02 05:51:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_write_mds [2019-10-02 05:51:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_dreq_bytes_left [2019-10-02 05:51:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_page_array_len [2019-10-02 05:51:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2019-10-02 05:51:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure BL_INIT_INVAL_MARKS [2019-10-02 05:51:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 05:51:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LO2EXT [2019-10-02 05:51:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LSEG2EXT [2019-10-02 05:51:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pipe_downcall [2019-10-02 05:51:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pipe_destroy_msg [2019-10-02 05:51:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_blk_decode_device [2019-10-02 05:51:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_blk_process_layoutget [2019-10-02 05:51:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_block_dev [2019-10-02 05:51:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure bl_find_get_extent [2019-10-02 05:51:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure bl_mark_sectors_init [2019-10-02 05:51:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure bl_put_extent [2019-10-02 05:51:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure bl_is_sector_init [2019-10-02 05:51:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure encode_pnfs_block_layoutupdate [2019-10-02 05:51:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure clean_pnfs_block_layoutupdate [2019-10-02 05:51:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure bl_mark_for_commit [2019-10-02 05:51:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure bl_push_one_short_extent [2019-10-02 05:51:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pop_one_short_extent [2019-10-02 05:51:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_short_extents [2019-10-02 05:51:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure print_page [2019-10-02 05:51:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure is_hole [2019-10-02 05:51:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure is_writable [2019-10-02 05:51:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_parallel [2019-10-02 05:51:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure get_parallel [2019-10-02 05:51:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_parallel [2019-10-02 05:51:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-02 05:51:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure put_parallel [2019-10-02 05:51:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure bl_submit_bio [2019-10-02 05:51:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_init_bio [2019-10-02 05:51:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure do_add_page_to_bio [2019-10-02 05:51:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure bl_add_page_to_bio [2019-10-02 05:51:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_read [2019-10-02 05:51:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_cleanup [2019-10-02 05:51:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_par_io_read [2019-10-02 05:51:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_pagelist [2019-10-02 05:51:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure mark_extents_written [2019-10-02 05:51:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write_zero [2019-10-02 05:51:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write [2019-10-02 05:51:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_cleanup [2019-10-02 05:51:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_par_io_write [2019-10-02 05:51:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure mark_bad_read [2019-10-02 05:51:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure map_block [2019-10-02 05:51:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_single_end_io [2019-10-02 05:51:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_535 [2019-10-02 05:51:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_536 [2019-10-02 05:51:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure bl_do_readpage_sync [2019-10-02 05:51:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 05:51:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_partial_page_sync [2019-10-02 05:51:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure init_page_for_write [2019-10-02 05:51:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure bl_find_get_zeroing_page [2019-10-02 05:51:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_pagelist [2019-10-02 05:51:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure release_extents [2019-10-02 05:51:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure release_inval_marks [2019-10-02 05:51:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_layout_hdr [2019-10-02 05:51:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_layout_hdr [2019-10-02 05:51:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_lseg [2019-10-02 05:51:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_lseg [2019-10-02 05:51:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure bl_encode_layoutcommit [2019-10-02 05:51:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure bl_cleanup_layoutcommit [2019-10-02 05:51:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure free_blk_mountid [2019-10-02 05:51:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_blk_get_deviceinfo [2019-10-02 05:51:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure bl_set_layoutdriver [2019-10-02 05:51:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure bl_clear_layoutdriver [2019-10-02 05:51:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure is_aligned_req [2019-10-02 05:51:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pg_init_read [2019-10-02 05:51:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pg_test_read [2019-10-02 05:51:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_num_cont_bytes [2019-10-02 05:51:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pg_init_write [2019-10-02 05:51:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pg_test_write [2019-10-02 05:51:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_register_sb [2019-10-02 05:51:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_unregister_sb [2019-10-02 05:51:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pipefs_event [2019-10-02 05:51:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_register_net [2019-10-02 05:51:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_unregister_net [2019-10-02 05:51:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_net_init [2019-10-02 05:51:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_net_exit [2019-10-02 05:51:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_init [2019-10-02 05:51:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_exit [2019-10-02 05:51:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2019-10-02 05:51:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_nfs4blocklayout_init_7_13 [2019-10-02 05:51:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-10-02 05:51:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_5_1 [2019-10-02 05:51:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_4_7_4 [2019-10-02 05:51:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_5_7_5 [2019-10-02 05:51:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_6_7_6 [2019-10-02 05:51:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_6_2 [2019-10-02 05:51:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_4_7_7 [2019-10-02 05:51:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_5_7_8 [2019-10-02 05:51:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_6_7_9 [2019-10-02 05:51:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-10-02 05:51:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-02 05:51:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-10-02 05:51:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_12 [2019-10-02 05:51:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_13 [2019-10-02 05:51:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_14 [2019-10-02 05:51:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_15 [2019-10-02 05:51:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_16 [2019-10-02 05:51:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_17 [2019-10-02 05:51:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_18 [2019-10-02 05:51:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_19 [2019-10-02 05:51:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_22 [2019-10-02 05:51:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_23 [2019-10-02 05:51:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_24 [2019-10-02 05:51:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-10-02 05:51:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_9 [2019-10-02 05:51:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_12 [2019-10-02 05:51:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_13 [2019-10-02 05:51:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_14 [2019-10-02 05:51:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_15 [2019-10-02 05:51:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_16 [2019-10-02 05:51:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_17 [2019-10-02 05:51:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_18 [2019-10-02 05:51:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_19 [2019-10-02 05:51:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_22 [2019-10-02 05:51:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_23 [2019-10-02 05:51:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_24 [2019-10-02 05:51:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-02 05:51:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_9 [2019-10-02 05:51:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_10 [2019-10-02 05:51:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-02 05:51:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_7 [2019-10-02 05:51:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_7 [2019-10-02 05:51:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 05:51:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-10-02 05:51:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rpc_pipefs_notifier_register [2019-10-02 05:51:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rpc_pipefs_notifier_unregister [2019-10-02 05:51:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_notifier_block_dummy_resourceless_instance_0 [2019-10-02 05:51:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pernet_operations_dummy_resourceless_instance_1 [2019-10-02 05:51:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_2 [2019-10-02 05:51:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_3 [2019-10-02 05:51:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_rpc_pipe_ops_dummy_resourceless_instance_4 [2019-10-02 05:51:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-10-02 05:51:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-10-02 05:51:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2019-10-02 05:51:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-10-02 05:51:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_5 [2019-10-02 05:51:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-10-02 05:51:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2019-10-02 05:51:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_1 [2019-10-02 05:51:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_5 [2019-10-02 05:51:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-10-02 05:51:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_5 [2019-10-02 05:51:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-10-02 05:51:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_5 [2019-10-02 05:51:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-02 05:51:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-02 05:51:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure list_replace [2019-10-02 05:51:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-02 05:51:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2019-10-02 05:51:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-02 05:51:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2019-10-02 05:51:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-02 05:51:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2019-10-02 05:51:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2019-10-02 05:51:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-02 05:51:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-02 05:51:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_105 [2019-10-02 05:51:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-02 05:51:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2019-10-02 05:51:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_106 [2019-10-02 05:51:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-02 05:51:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2019-10-02 05:51:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2019-10-02 05:51:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-10-02 05:51:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be64 [2019-10-02 05:51:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_opaque_fixed [2019-10-02 05:51:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_hyper [2019-10-02 05:51:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_reserve_space [2019-10-02 05:51:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure bl_choose_list [2019-10-02 05:51:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_extent [2019-10-02 05:51:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure bl_add_merge_extent [2019-10-02 05:51:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure normalize [2019-10-02 05:51:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_up [2019-10-02 05:51:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure _find_entry [2019-10-02 05:51:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure _has_tag [2019-10-02 05:51:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure _add_entry [2019-10-02 05:51:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure _set_range [2019-10-02 05:51:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure _preload_range [2019-10-02 05:51:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure _range_has_tag [2019-10-02 05:51:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure is_range_written [2019-10-02 05:51:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure mark_written_sectors [2019-10-02 05:51:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure print_short_extent [2019-10-02 05:51:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure print_clist [2019-10-02 05:51:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_commitlist [2019-10-02 05:51:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure print_bl_extent [2019-10-02 05:51:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_extent [2019-10-02 05:51:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure print_elist [2019-10-02 05:51:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure extents_consistent [2019-10-02 05:51:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure bl_find_get_extent_locked [2019-10-02 05:51:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure _prep_new_extent [2019-10-02 05:51:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure _front_merge [2019-10-02 05:51:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure set_to_rw [2019-10-02 05:51:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2019-10-02 05:51:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure __swab64p [2019-10-02 05:51:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure __be64_to_cpup [2019-10-02 05:51:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2019-10-02 05:51:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-02 05:51:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-02 05:51:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_CAST [2019-10-02 05:51:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-02 05:51:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2019-10-02 05:51:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-10-02 05:51:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2019-10-02 05:51:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-02 05:51:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_get_by_dev [2019-10-02 05:51:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_put [2019-10-02 05:51:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-02 05:51:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-02 05:51:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-02 05:51:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-02 05:51:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be64 [2019-10-02 05:51:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_decode_hyper [2019-10-02 05:51:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2019-10-02 05:51:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2019-10-02 05:51:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2019-10-02 05:51:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_queue_upcall [2019-10-02 05:51:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_blkdev_put [2019-10-02 05:51:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure decode_sector_number [2019-10-02 05:51:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure translate_devid [2019-10-02 05:51:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure verify_extent [2019-10-02 05:51:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add___1 [2019-10-02 05:51:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub___1 [2019-10-02 05:51:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock___1 [2019-10-02 05:51:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock___1 [2019-10-02 05:51:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock___1 [2019-10-02 05:51:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock___1 [2019-10-02 05:51:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic___1 [2019-10-02 05:51:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure dev_remove [2019-10-02 05:51:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_blk_metadev_release [2019-10-02 05:51:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-02 05:51:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-02 05:51:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-02 05:51:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 05:51:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-02 05:51:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 05:51:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-02 05:51:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-02 05:51:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-02 05:51:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-02 05:51:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-02 05:51:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-02 05:51:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-02 05:51:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-02 05:51:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-02 05:51:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-02 05:51:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-02 05:51:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-02 05:51:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 05:51:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 05:51:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 05:51:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 05:51:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 05:51:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 05:51:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 05:51:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-02 05:51:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-02 05:51:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 05:51:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 05:51:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 05:51:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-02 05:51:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-02 05:51:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-02 05:51:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-02 05:51:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-02 05:51:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-02 05:51:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-02 05:51:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-02 05:51:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-02 05:51:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-02 05:51:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-02 05:51:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-02 05:51:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-02 05:51:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-02 05:51:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-02 05:51:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-02 05:51:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-02 05:51:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-02 05:51:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-02 05:51:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-02 05:51:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-02 05:51:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-02 05:51:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-02 05:51:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-02 05:51:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_bl_ext_lock_of_pnfs_block_layout [2019-10-02 05:51:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_bl_ext_lock_of_pnfs_block_layout [2019-10-02 05:51:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_bl_ext_lock_of_pnfs_block_layout [2019-10-02 05:51:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_bl_ext_lock_of_pnfs_block_layout [2019-10-02 05:51:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_bl_ext_lock_of_pnfs_block_layout [2019-10-02 05:51:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_bl_ext_lock_of_pnfs_block_layout [2019-10-02 05:51:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_bm_lock_of_block_mount_id [2019-10-02 05:51:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_bm_lock_of_block_mount_id [2019-10-02 05:51:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_bm_lock_of_block_mount_id [2019-10-02 05:51:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_bm_lock_of_block_mount_id [2019-10-02 05:51:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_bm_lock_of_block_mount_id [2019-10-02 05:51:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_bm_lock_of_block_mount_id [2019-10-02 05:51:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cl_lock_of_nfs_client [2019-10-02 05:51:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_cl_lock_of_nfs_client [2019-10-02 05:51:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_cl_lock_of_nfs_client [2019-10-02 05:51:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_cl_lock_of_nfs_client [2019-10-02 05:51:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_cl_lock_of_nfs_client [2019-10-02 05:51:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_cl_lock_of_nfs_client [2019-10-02 05:51:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_cl_lock_of_nfs_client [2019-10-02 05:51:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_cl_lock_of_nfs_client [2019-10-02 05:51:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-10-02 05:51:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-02 05:51:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-02 05:51:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-02 05:51:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-02 05:51:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-02 05:51:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-02 05:51:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-02 05:51:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_im_lock_of_pnfs_inval_markings [2019-10-02 05:51:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_im_lock_of_pnfs_inval_markings [2019-10-02 05:51:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_im_lock_of_pnfs_inval_markings [2019-10-02 05:51:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_im_lock_of_pnfs_inval_markings [2019-10-02 05:51:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_im_lock_of_pnfs_inval_markings [2019-10-02 05:51:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_im_lock_of_pnfs_inval_markings [2019-10-02 05:51:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-10-02 05:51:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-10-02 05:51:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-10-02 05:51:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-10-02 05:51:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-10-02 05:51:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-10-02 05:51:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-10-02 05:51:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-10-02 05:51:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_res_counter [2019-10-02 05:51:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_res_counter [2019-10-02 05:51:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_res_counter [2019-10-02 05:51:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_res_counter [2019-10-02 05:51:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_res_counter [2019-10-02 05:51:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_res_counter [2019-10-02 05:51:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_res_counter [2019-10-02 05:51:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2019-10-02 05:51:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-02 05:51:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-02 05:51:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-02 05:51:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-02 05:51:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-02 05:51:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-02 05:51:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-02 05:51:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-02 05:51:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-02 05:51:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-02 05:51:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-02 05:51:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-02 05:51:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-02 05:51:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-02 05:51:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-02 05:51:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-02 05:51:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-10-02 05:51:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-10-02 05:51:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-10-02 05:51:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-10-02 05:51:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-10-02 05:51:42,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-10-02 05:51:42,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-10-02 05:51:42,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-10-02 05:51:42,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-02 05:51:42,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-02 05:51:42,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-02 05:51:42,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-02 05:51:42,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-02 05:51:42,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-02 05:51:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-02 05:51:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-02 05:51:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_sk_dst_lock_of_sock [2019-10-02 05:51:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2019-10-02 05:51:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2019-10-02 05:51:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2019-10-02 05:51:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2019-10-02 05:51:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2019-10-02 05:51:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2019-10-02 05:51:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2019-10-02 05:51:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-02 05:51:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-02 05:51:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-02 05:51:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-02 05:51:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-02 05:51:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-02 05:51:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-02 05:51:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-02 05:51:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-10-02 05:51:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 05:51:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 05:51:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-02 05:51:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-02 05:51:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 05:51:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 05:51:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 05:51:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 05:51:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 05:51:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 05:51:42,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 05:51:42,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 05:51:48,260 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-10-02 05:51:49,101 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 05:52:00,578 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 05:52:00,578 INFO L283 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-02 05:52:00,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 05:52:00 BoogieIcfgContainer [2019-10-02 05:52:00,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 05:52:00,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 05:52:00,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 05:52:00,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 05:52:00,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 05:51:33" (1/3) ... [2019-10-02 05:52:00,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f4578f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 05:52:00, skipping insertion in model container [2019-10-02 05:52:00,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:41" (2/3) ... [2019-10-02 05:52:00,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f4578f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 05:52:00, skipping insertion in model container [2019-10-02 05:52:00,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 05:52:00" (3/3) ... [2019-10-02 05:52:00,592 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2019-10-02 05:52:00,605 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 05:52:00,621 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-02 05:52:00,641 INFO L252 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-02 05:52:00,701 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 05:52:00,702 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 05:52:00,702 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 05:52:00,702 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 05:52:00,702 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 05:52:00,702 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 05:52:00,702 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 05:52:00,703 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 05:52:00,703 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 05:52:00,805 INFO L276 IsEmpty]: Start isEmpty. Operand 4416 states. [2019-10-02 05:52:00,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2019-10-02 05:52:00,837 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:00,839 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:00,841 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:00,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:00,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1689526824, now seen corresponding path program 1 times [2019-10-02 05:52:00,848 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:00,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:00,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:00,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:00,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:02,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-10-02 05:52:02,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:02,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:52:02,418 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:52:02,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:52:02,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:02,435 INFO L87 Difference]: Start difference. First operand 4416 states. Second operand 3 states. [2019-10-02 05:52:06,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:06,008 INFO L93 Difference]: Finished difference Result 10876 states and 15140 transitions. [2019-10-02 05:52:06,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:52:06,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 351 [2019-10-02 05:52:06,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:06,111 INFO L225 Difference]: With dead ends: 10876 [2019-10-02 05:52:06,112 INFO L226 Difference]: Without dead ends: 7161 [2019-10-02 05:52:06,151 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 05:52:06,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7161 states. [2019-10-02 05:52:06,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7161 to 7157. [2019-10-02 05:52:06,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7157 states. [2019-10-02 05:52:06,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7157 states to 7157 states and 9522 transitions. [2019-10-02 05:52:06,650 INFO L78 Accepts]: Start accepts. Automaton has 7157 states and 9522 transitions. Word has length 351 [2019-10-02 05:52:06,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:06,655 INFO L475 AbstractCegarLoop]: Abstraction has 7157 states and 9522 transitions. [2019-10-02 05:52:06,655 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:52:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 7157 states and 9522 transitions. [2019-10-02 05:52:06,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2019-10-02 05:52:06,673 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:06,674 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:06,675 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:06,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:06,675 INFO L82 PathProgramCache]: Analyzing trace with hash 836026445, now seen corresponding path program 1 times [2019-10-02 05:52:06,676 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:06,676 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:06,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:06,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:06,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:07,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-10-02 05:52:07,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:07,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:52:07,408 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:52:07,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:52:07,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:07,409 INFO L87 Difference]: Start difference. First operand 7157 states and 9522 transitions. Second operand 3 states. [2019-10-02 05:52:11,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:11,494 INFO L93 Difference]: Finished difference Result 17593 states and 23408 transitions. [2019-10-02 05:52:11,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:52:11,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 369 [2019-10-02 05:52:11,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:11,577 INFO L225 Difference]: With dead ends: 17593 [2019-10-02 05:52:11,577 INFO L226 Difference]: Without dead ends: 10525 [2019-10-02 05:52:11,612 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 05:52:11,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10525 states. [2019-10-02 05:52:12,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10525 to 10488. [2019-10-02 05:52:12,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10488 states. [2019-10-02 05:52:12,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10488 states to 10488 states and 13942 transitions. [2019-10-02 05:52:12,424 INFO L78 Accepts]: Start accepts. Automaton has 10488 states and 13942 transitions. Word has length 369 [2019-10-02 05:52:12,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:12,428 INFO L475 AbstractCegarLoop]: Abstraction has 10488 states and 13942 transitions. [2019-10-02 05:52:12,428 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:52:12,428 INFO L276 IsEmpty]: Start isEmpty. Operand 10488 states and 13942 transitions. [2019-10-02 05:52:12,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2019-10-02 05:52:12,445 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:12,446 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:52:12,447 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:12,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:12,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1484169956, now seen corresponding path program 1 times [2019-10-02 05:52:12,447 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:12,448 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:12,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:12,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:12,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:13,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-10-02 05:52:13,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:13,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:52:13,140 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:52:13,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:52:13,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:13,141 INFO L87 Difference]: Start difference. First operand 10488 states and 13942 transitions. Second operand 3 states. [2019-10-02 05:52:16,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:16,924 INFO L93 Difference]: Finished difference Result 22307 states and 29508 transitions. [2019-10-02 05:52:16,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:52:16,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 370 [2019-10-02 05:52:16,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:17,028 INFO L225 Difference]: With dead ends: 22307 [2019-10-02 05:52:17,028 INFO L226 Difference]: Without dead ends: 11908 [2019-10-02 05:52:17,077 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 05:52:17,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11908 states. [2019-10-02 05:52:17,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11908 to 11863. [2019-10-02 05:52:17,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11863 states. [2019-10-02 05:52:17,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11863 states to 11863 states and 15608 transitions. [2019-10-02 05:52:17,585 INFO L78 Accepts]: Start accepts. Automaton has 11863 states and 15608 transitions. Word has length 370 [2019-10-02 05:52:17,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:17,586 INFO L475 AbstractCegarLoop]: Abstraction has 11863 states and 15608 transitions. [2019-10-02 05:52:17,586 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:52:17,586 INFO L276 IsEmpty]: Start isEmpty. Operand 11863 states and 15608 transitions. [2019-10-02 05:52:17,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-10-02 05:52:17,598 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:17,598 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:52:17,599 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:17,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:17,599 INFO L82 PathProgramCache]: Analyzing trace with hash 308200730, now seen corresponding path program 1 times [2019-10-02 05:52:17,599 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:17,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:17,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:17,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:17,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:19,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3963 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3948 trivial. 0 not checked. [2019-10-02 05:52:19,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:19,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:52:19,639 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:52:19,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:52:19,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:19,640 INFO L87 Difference]: Start difference. First operand 11863 states and 15608 transitions. Second operand 3 states. [2019-10-02 05:52:23,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:23,715 INFO L93 Difference]: Finished difference Result 33578 states and 44398 transitions. [2019-10-02 05:52:23,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:52:23,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 422 [2019-10-02 05:52:23,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:23,845 INFO L225 Difference]: With dead ends: 33578 [2019-10-02 05:52:23,845 INFO L226 Difference]: Without dead ends: 22297 [2019-10-02 05:52:23,898 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 05:52:23,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22297 states. [2019-10-02 05:52:24,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22297 to 22293. [2019-10-02 05:52:24,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22293 states. [2019-10-02 05:52:25,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22293 states to 22293 states and 29468 transitions. [2019-10-02 05:52:25,231 INFO L78 Accepts]: Start accepts. Automaton has 22293 states and 29468 transitions. Word has length 422 [2019-10-02 05:52:25,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:25,233 INFO L475 AbstractCegarLoop]: Abstraction has 22293 states and 29468 transitions. [2019-10-02 05:52:25,233 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:52:25,233 INFO L276 IsEmpty]: Start isEmpty. Operand 22293 states and 29468 transitions. [2019-10-02 05:52:25,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-10-02 05:52:25,239 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:25,239 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:52:25,240 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:25,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:25,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1009800604, now seen corresponding path program 1 times [2019-10-02 05:52:25,240 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:25,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:25,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:25,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:25,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:25,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3963 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3952 trivial. 0 not checked. [2019-10-02 05:52:25,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:25,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:52:25,924 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:52:25,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:52:25,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:52:25,925 INFO L87 Difference]: Start difference. First operand 22293 states and 29468 transitions. Second operand 5 states. [2019-10-02 05:52:26,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:26,528 INFO L93 Difference]: Finished difference Result 22299 states and 29473 transitions. [2019-10-02 05:52:26,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:52:26,529 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 422 [2019-10-02 05:52:26,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:26,637 INFO L225 Difference]: With dead ends: 22299 [2019-10-02 05:52:26,637 INFO L226 Difference]: Without dead ends: 22297 [2019-10-02 05:52:26,657 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 05:52:26,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22297 states. [2019-10-02 05:52:28,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22297 to 22297. [2019-10-02 05:52:28,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22297 states. [2019-10-02 05:52:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22297 states to 22297 states and 29471 transitions. [2019-10-02 05:52:28,224 INFO L78 Accepts]: Start accepts. Automaton has 22297 states and 29471 transitions. Word has length 422 [2019-10-02 05:52:28,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:28,225 INFO L475 AbstractCegarLoop]: Abstraction has 22297 states and 29471 transitions. [2019-10-02 05:52:28,226 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:52:28,226 INFO L276 IsEmpty]: Start isEmpty. Operand 22297 states and 29471 transitions. [2019-10-02 05:52:28,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-10-02 05:52:28,232 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:28,233 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 3, 3, 3, 3, 3, 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] [2019-10-02 05:52:28,233 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:28,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:28,234 INFO L82 PathProgramCache]: Analyzing trace with hash 403837721, now seen corresponding path program 1 times [2019-10-02 05:52:28,234 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:28,234 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:28,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:28,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:28,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:28,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3965 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3952 trivial. 0 not checked. [2019-10-02 05:52:28,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:28,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:52:28,812 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:52:28,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:52:28,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:52:28,813 INFO L87 Difference]: Start difference. First operand 22297 states and 29471 transitions. Second operand 5 states. [2019-10-02 05:52:29,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:29,409 INFO L93 Difference]: Finished difference Result 22303 states and 29476 transitions. [2019-10-02 05:52:29,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:52:29,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 427 [2019-10-02 05:52:29,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:29,516 INFO L225 Difference]: With dead ends: 22303 [2019-10-02 05:52:29,517 INFO L226 Difference]: Without dead ends: 22301 [2019-10-02 05:52:29,536 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 05:52:29,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22301 states. [2019-10-02 05:52:32,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22301 to 22301. [2019-10-02 05:52:32,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22301 states. [2019-10-02 05:52:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22301 states to 22301 states and 29474 transitions. [2019-10-02 05:52:32,096 INFO L78 Accepts]: Start accepts. Automaton has 22301 states and 29474 transitions. Word has length 427 [2019-10-02 05:52:32,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:32,097 INFO L475 AbstractCegarLoop]: Abstraction has 22301 states and 29474 transitions. [2019-10-02 05:52:32,098 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:52:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 22301 states and 29474 transitions. [2019-10-02 05:52:32,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2019-10-02 05:52:32,105 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:32,105 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 3, 3, 3, 3, 3, 3, 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] [2019-10-02 05:52:32,106 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:32,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:32,106 INFO L82 PathProgramCache]: Analyzing trace with hash -634825860, now seen corresponding path program 1 times [2019-10-02 05:52:32,106 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:32,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:32,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:32,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:32,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:32,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3971 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3956 trivial. 0 not checked. [2019-10-02 05:52:32,746 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:32,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:52:32,747 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:52:32,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:52:32,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:52:32,747 INFO L87 Difference]: Start difference. First operand 22301 states and 29474 transitions. Second operand 5 states. [2019-10-02 05:52:33,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:33,449 INFO L93 Difference]: Finished difference Result 22307 states and 29479 transitions. [2019-10-02 05:52:33,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:52:33,449 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 432 [2019-10-02 05:52:33,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:33,562 INFO L225 Difference]: With dead ends: 22307 [2019-10-02 05:52:33,563 INFO L226 Difference]: Without dead ends: 22305 [2019-10-02 05:52:33,586 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 05:52:33,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22305 states. [2019-10-02 05:52:34,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22305 to 22305. [2019-10-02 05:52:34,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22305 states. [2019-10-02 05:52:34,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22305 states to 22305 states and 29477 transitions. [2019-10-02 05:52:34,873 INFO L78 Accepts]: Start accepts. Automaton has 22305 states and 29477 transitions. Word has length 432 [2019-10-02 05:52:34,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:34,874 INFO L475 AbstractCegarLoop]: Abstraction has 22305 states and 29477 transitions. [2019-10-02 05:52:34,874 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:52:34,875 INFO L276 IsEmpty]: Start isEmpty. Operand 22305 states and 29477 transitions. [2019-10-02 05:52:34,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2019-10-02 05:52:34,882 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:34,882 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:52:34,883 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:34,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:34,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1381568327, now seen corresponding path program 1 times [2019-10-02 05:52:34,883 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:34,883 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:34,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:34,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:34,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:35,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3981 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3964 trivial. 0 not checked. [2019-10-02 05:52:35,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:35,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:52:35,430 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:52:35,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:52:35,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:52:35,431 INFO L87 Difference]: Start difference. First operand 22305 states and 29477 transitions. Second operand 5 states. [2019-10-02 05:52:36,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:36,186 INFO L93 Difference]: Finished difference Result 27463 states and 36276 transitions. [2019-10-02 05:52:36,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:52:36,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 437 [2019-10-02 05:52:36,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:36,325 INFO L225 Difference]: With dead ends: 27463 [2019-10-02 05:52:36,325 INFO L226 Difference]: Without dead ends: 27461 [2019-10-02 05:52:36,342 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 05:52:36,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27461 states. [2019-10-02 05:52:37,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27461 to 27445. [2019-10-02 05:52:37,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27445 states. [2019-10-02 05:52:37,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27445 states to 27445 states and 36260 transitions. [2019-10-02 05:52:37,821 INFO L78 Accepts]: Start accepts. Automaton has 27445 states and 36260 transitions. Word has length 437 [2019-10-02 05:52:37,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:37,822 INFO L475 AbstractCegarLoop]: Abstraction has 27445 states and 36260 transitions. [2019-10-02 05:52:37,822 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:52:37,823 INFO L276 IsEmpty]: Start isEmpty. Operand 27445 states and 36260 transitions. [2019-10-02 05:52:37,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2019-10-02 05:52:37,831 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:37,831 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 5, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:52:37,832 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:37,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:37,832 INFO L82 PathProgramCache]: Analyzing trace with hash -782751396, now seen corresponding path program 1 times [2019-10-02 05:52:37,832 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:37,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:37,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:37,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:37,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:38,334 INFO L134 CoverageAnalysis]: Checked inductivity of 3995 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3976 trivial. 0 not checked. [2019-10-02 05:52:38,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:38,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:52:38,335 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:52:38,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:52:38,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:52:38,336 INFO L87 Difference]: Start difference. First operand 27445 states and 36260 transitions. Second operand 5 states. [2019-10-02 05:52:39,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:39,282 INFO L93 Difference]: Finished difference Result 27591 states and 36386 transitions. [2019-10-02 05:52:39,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:52:39,283 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 442 [2019-10-02 05:52:39,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:39,439 INFO L225 Difference]: With dead ends: 27591 [2019-10-02 05:52:39,439 INFO L226 Difference]: Without dead ends: 27589 [2019-10-02 05:52:39,458 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 05:52:39,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27589 states. [2019-10-02 05:52:41,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27589 to 27587. [2019-10-02 05:52:41,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27587 states. [2019-10-02 05:52:41,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27587 states to 27587 states and 36383 transitions. [2019-10-02 05:52:41,125 INFO L78 Accepts]: Start accepts. Automaton has 27587 states and 36383 transitions. Word has length 442 [2019-10-02 05:52:41,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:41,126 INFO L475 AbstractCegarLoop]: Abstraction has 27587 states and 36383 transitions. [2019-10-02 05:52:41,126 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:52:41,126 INFO L276 IsEmpty]: Start isEmpty. Operand 27587 states and 36383 transitions. [2019-10-02 05:52:41,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2019-10-02 05:52:41,133 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:41,134 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 6, 5, 5, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:52:41,134 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:41,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:41,135 INFO L82 PathProgramCache]: Analyzing trace with hash -101910951, now seen corresponding path program 1 times [2019-10-02 05:52:41,135 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:41,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:41,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:41,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:41,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:41,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4013 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 3992 trivial. 0 not checked. [2019-10-02 05:52:41,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:41,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:52:41,712 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:52:41,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:52:41,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:52:41,713 INFO L87 Difference]: Start difference. First operand 27587 states and 36383 transitions. Second operand 5 states. [2019-10-02 05:52:42,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:42,676 INFO L93 Difference]: Finished difference Result 27593 states and 36388 transitions. [2019-10-02 05:52:42,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:52:42,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 447 [2019-10-02 05:52:42,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:42,807 INFO L225 Difference]: With dead ends: 27593 [2019-10-02 05:52:42,807 INFO L226 Difference]: Without dead ends: 27591 [2019-10-02 05:52:42,826 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 05:52:42,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27591 states. [2019-10-02 05:52:44,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27591 to 27591. [2019-10-02 05:52:44,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27591 states. [2019-10-02 05:52:44,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27591 states to 27591 states and 36386 transitions. [2019-10-02 05:52:44,357 INFO L78 Accepts]: Start accepts. Automaton has 27591 states and 36386 transitions. Word has length 447 [2019-10-02 05:52:44,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:44,358 INFO L475 AbstractCegarLoop]: Abstraction has 27591 states and 36386 transitions. [2019-10-02 05:52:44,358 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:52:44,358 INFO L276 IsEmpty]: Start isEmpty. Operand 27591 states and 36386 transitions. [2019-10-02 05:52:44,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2019-10-02 05:52:44,367 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:44,368 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 7, 6, 6, 3, 3, 3, 3, 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, 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 05:52:44,368 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:44,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:44,369 INFO L82 PathProgramCache]: Analyzing trace with hash -632367300, now seen corresponding path program 1 times [2019-10-02 05:52:44,369 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:44,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:44,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:44,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:44,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4035 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 4012 trivial. 0 not checked. [2019-10-02 05:52:44,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:44,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:52:44,857 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:52:44,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:52:44,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:52:44,861 INFO L87 Difference]: Start difference. First operand 27591 states and 36386 transitions. Second operand 5 states. [2019-10-02 05:52:45,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:45,884 INFO L93 Difference]: Finished difference Result 27597 states and 36391 transitions. [2019-10-02 05:52:45,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:52:45,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 452 [2019-10-02 05:52:45,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:45,969 INFO L225 Difference]: With dead ends: 27597 [2019-10-02 05:52:45,969 INFO L226 Difference]: Without dead ends: 27595 [2019-10-02 05:52:45,979 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 05:52:46,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27595 states. [2019-10-02 05:52:46,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27595 to 27595. [2019-10-02 05:52:46,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27595 states. [2019-10-02 05:52:46,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27595 states to 27595 states and 36389 transitions. [2019-10-02 05:52:46,929 INFO L78 Accepts]: Start accepts. Automaton has 27595 states and 36389 transitions. Word has length 452 [2019-10-02 05:52:46,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:46,930 INFO L475 AbstractCegarLoop]: Abstraction has 27595 states and 36389 transitions. [2019-10-02 05:52:46,930 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:52:46,930 INFO L276 IsEmpty]: Start isEmpty. Operand 27595 states and 36389 transitions. [2019-10-02 05:52:46,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2019-10-02 05:52:46,941 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:46,941 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 8, 7, 7, 3, 3, 3, 3, 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, 1, 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 05:52:46,942 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:46,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:46,942 INFO L82 PathProgramCache]: Analyzing trace with hash -812506119, now seen corresponding path program 1 times [2019-10-02 05:52:46,942 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:46,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:46,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:46,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:46,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:47,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4061 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4036 trivial. 0 not checked. [2019-10-02 05:52:47,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:47,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:52:47,410 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:52:47,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:52:47,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:52:47,411 INFO L87 Difference]: Start difference. First operand 27595 states and 36389 transitions. Second operand 5 states. [2019-10-02 05:52:48,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:48,152 INFO L93 Difference]: Finished difference Result 27933 states and 36653 transitions. [2019-10-02 05:52:48,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:52:48,153 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 457 [2019-10-02 05:52:48,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:48,245 INFO L225 Difference]: With dead ends: 27933 [2019-10-02 05:52:48,246 INFO L226 Difference]: Without dead ends: 27931 [2019-10-02 05:52:48,259 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 05:52:48,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27931 states. [2019-10-02 05:52:49,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27931 to 27929. [2019-10-02 05:52:49,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27929 states. [2019-10-02 05:52:49,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27929 states to 27929 states and 36650 transitions. [2019-10-02 05:52:49,386 INFO L78 Accepts]: Start accepts. Automaton has 27929 states and 36650 transitions. Word has length 457 [2019-10-02 05:52:49,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:49,387 INFO L475 AbstractCegarLoop]: Abstraction has 27929 states and 36650 transitions. [2019-10-02 05:52:49,387 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:52:49,388 INFO L276 IsEmpty]: Start isEmpty. Operand 27929 states and 36650 transitions. [2019-10-02 05:52:49,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2019-10-02 05:52:49,397 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:49,397 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 9, 8, 8, 3, 3, 3, 3, 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, 1, 1, 1, 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 05:52:49,398 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:49,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:49,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1625334500, now seen corresponding path program 1 times [2019-10-02 05:52:49,398 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:49,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:49,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:49,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:49,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:49,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4091 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4064 trivial. 0 not checked. [2019-10-02 05:52:49,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:49,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:52:49,891 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:52:49,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:52:49,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:52:49,891 INFO L87 Difference]: Start difference. First operand 27929 states and 36650 transitions. Second operand 5 states. [2019-10-02 05:52:51,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:51,012 INFO L93 Difference]: Finished difference Result 27935 states and 36655 transitions. [2019-10-02 05:52:51,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:52:51,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 462 [2019-10-02 05:52:51,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:51,108 INFO L225 Difference]: With dead ends: 27935 [2019-10-02 05:52:51,109 INFO L226 Difference]: Without dead ends: 27933 [2019-10-02 05:52:51,122 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 05:52:51,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27933 states. [2019-10-02 05:52:52,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27933 to 27933. [2019-10-02 05:52:52,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27933 states. [2019-10-02 05:52:52,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27933 states to 27933 states and 36653 transitions. [2019-10-02 05:52:52,352 INFO L78 Accepts]: Start accepts. Automaton has 27933 states and 36653 transitions. Word has length 462 [2019-10-02 05:52:52,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:52,353 INFO L475 AbstractCegarLoop]: Abstraction has 27933 states and 36653 transitions. [2019-10-02 05:52:52,353 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:52:52,353 INFO L276 IsEmpty]: Start isEmpty. Operand 27933 states and 36653 transitions. [2019-10-02 05:52:52,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2019-10-02 05:52:52,363 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:52,364 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 10, 9, 9, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 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 05:52:52,364 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:52,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:52,364 INFO L82 PathProgramCache]: Analyzing trace with hash -3901031, now seen corresponding path program 1 times [2019-10-02 05:52:52,364 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:52,365 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:52,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:52,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:52,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:52,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4125 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 4096 trivial. 0 not checked. [2019-10-02 05:52:52,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:52,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:52:52,809 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:52:52,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:52:52,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:52:52,810 INFO L87 Difference]: Start difference. First operand 27933 states and 36653 transitions. Second operand 5 states. [2019-10-02 05:52:53,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:53,465 INFO L93 Difference]: Finished difference Result 27939 states and 36658 transitions. [2019-10-02 05:52:53,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:52:53,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 467 [2019-10-02 05:52:53,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:53,549 INFO L225 Difference]: With dead ends: 27939 [2019-10-02 05:52:53,550 INFO L226 Difference]: Without dead ends: 27937 [2019-10-02 05:52:53,563 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 05:52:53,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27937 states. [2019-10-02 05:52:54,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27937 to 27937. [2019-10-02 05:52:54,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27937 states. [2019-10-02 05:52:54,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27937 states to 27937 states and 36656 transitions. [2019-10-02 05:52:54,845 INFO L78 Accepts]: Start accepts. Automaton has 27937 states and 36656 transitions. Word has length 467 [2019-10-02 05:52:54,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:54,847 INFO L475 AbstractCegarLoop]: Abstraction has 27937 states and 36656 transitions. [2019-10-02 05:52:54,847 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:52:54,847 INFO L276 IsEmpty]: Start isEmpty. Operand 27937 states and 36656 transitions. [2019-10-02 05:52:54,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2019-10-02 05:52:54,858 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:54,859 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 11, 10, 10, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 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 05:52:54,859 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:54,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:54,860 INFO L82 PathProgramCache]: Analyzing trace with hash -614745348, now seen corresponding path program 1 times [2019-10-02 05:52:54,860 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:54,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:54,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:54,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:54,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:55,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4163 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4132 trivial. 0 not checked. [2019-10-02 05:52:55,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:55,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:52:55,318 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:52:55,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:52:55,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:52:55,319 INFO L87 Difference]: Start difference. First operand 27937 states and 36656 transitions. Second operand 5 states. [2019-10-02 05:52:56,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:56,004 INFO L93 Difference]: Finished difference Result 27943 states and 36661 transitions. [2019-10-02 05:52:56,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:52:56,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 472 [2019-10-02 05:52:56,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:56,087 INFO L225 Difference]: With dead ends: 27943 [2019-10-02 05:52:56,087 INFO L226 Difference]: Without dead ends: 27941 [2019-10-02 05:52:56,100 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 05:52:56,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27941 states. [2019-10-02 05:52:57,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27941 to 27941. [2019-10-02 05:52:57,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27941 states. [2019-10-02 05:52:57,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27941 states to 27941 states and 36659 transitions. [2019-10-02 05:52:57,389 INFO L78 Accepts]: Start accepts. Automaton has 27941 states and 36659 transitions. Word has length 472 [2019-10-02 05:52:57,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:57,390 INFO L475 AbstractCegarLoop]: Abstraction has 27941 states and 36659 transitions. [2019-10-02 05:52:57,390 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:52:57,390 INFO L276 IsEmpty]: Start isEmpty. Operand 27941 states and 36659 transitions. [2019-10-02 05:52:57,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2019-10-02 05:52:57,398 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:57,398 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 4, 4, 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] [2019-10-02 05:52:57,398 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:57,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:57,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1470726175, now seen corresponding path program 1 times [2019-10-02 05:52:57,399 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:57,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:57,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:57,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:57,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:57,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3980 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2019-10-02 05:52:57,817 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:52:57,817 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 05:52:58,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:53:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:53:00,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 7145 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 05:53:00,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:53:00,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3980 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 3942 trivial. 0 not checked. [2019-10-02 05:53:00,989 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 05:53:00,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-10-02 05:53:00,991 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 05:53:00,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 05:53:00,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:53:00,992 INFO L87 Difference]: Start difference. First operand 27941 states and 36659 transitions. Second operand 8 states. [2019-10-02 05:54:02,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:54:02,533 INFO L93 Difference]: Finished difference Result 68670 states and 90208 transitions. [2019-10-02 05:54:02,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 05:54:02,534 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 474 [2019-10-02 05:54:02,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:54:02,787 INFO L225 Difference]: With dead ends: 68670 [2019-10-02 05:54:02,787 INFO L226 Difference]: Without dead ends: 41311 [2019-10-02 05:54:02,906 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 476 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 05:54:02,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41311 states. [2019-10-02 05:54:06,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41311 to 41218. [2019-10-02 05:54:06,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41218 states. [2019-10-02 05:54:06,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41218 states to 41218 states and 54126 transitions. [2019-10-02 05:54:06,666 INFO L78 Accepts]: Start accepts. Automaton has 41218 states and 54126 transitions. Word has length 474 [2019-10-02 05:54:06,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:54:06,667 INFO L475 AbstractCegarLoop]: Abstraction has 41218 states and 54126 transitions. [2019-10-02 05:54:06,667 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 05:54:06,668 INFO L276 IsEmpty]: Start isEmpty. Operand 41218 states and 54126 transitions. [2019-10-02 05:54:06,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2019-10-02 05:54:06,680 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:54:06,681 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 12, 11, 11, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:06,682 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:54:06,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:54:06,682 INFO L82 PathProgramCache]: Analyzing trace with hash 976353081, now seen corresponding path program 1 times [2019-10-02 05:54:06,682 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:54:06,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:54:06,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:06,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:54:06,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:54:07,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4205 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 4172 trivial. 0 not checked. [2019-10-02 05:54:07,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:54:07,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:54:07,349 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:54:07,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:54:07,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:54:07,350 INFO L87 Difference]: Start difference. First operand 41218 states and 54126 transitions. Second operand 5 states. [2019-10-02 05:54:08,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:54:08,902 INFO L93 Difference]: Finished difference Result 41224 states and 54131 transitions. [2019-10-02 05:54:08,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:54:08,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 477 [2019-10-02 05:54:08,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:54:09,063 INFO L225 Difference]: With dead ends: 41224 [2019-10-02 05:54:09,064 INFO L226 Difference]: Without dead ends: 41222 [2019-10-02 05:54:09,090 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 05:54:09,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41222 states. [2019-10-02 05:54:13,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41222 to 41222. [2019-10-02 05:54:13,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41222 states. [2019-10-02 05:54:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41222 states to 41222 states and 54129 transitions. [2019-10-02 05:54:13,178 INFO L78 Accepts]: Start accepts. Automaton has 41222 states and 54129 transitions. Word has length 477 [2019-10-02 05:54:13,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:54:13,179 INFO L475 AbstractCegarLoop]: Abstraction has 41222 states and 54129 transitions. [2019-10-02 05:54:13,179 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:54:13,179 INFO L276 IsEmpty]: Start isEmpty. Operand 41222 states and 54129 transitions. [2019-10-02 05:54:13,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2019-10-02 05:54:13,188 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:54:13,189 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 13, 12, 12, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:13,189 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:54:13,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:54:13,189 INFO L82 PathProgramCache]: Analyzing trace with hash 2081812700, now seen corresponding path program 1 times [2019-10-02 05:54:13,190 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:54:13,190 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:54:13,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:13,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:54:13,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:54:13,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4251 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4216 trivial. 0 not checked. [2019-10-02 05:54:13,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:54:13,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:54:13,743 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:54:13,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:54:13,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:54:13,744 INFO L87 Difference]: Start difference. First operand 41222 states and 54129 transitions. Second operand 5 states. [2019-10-02 05:54:15,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:54:15,262 INFO L93 Difference]: Finished difference Result 41228 states and 54134 transitions. [2019-10-02 05:54:15,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:54:15,567 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 482 [2019-10-02 05:54:15,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:54:15,699 INFO L225 Difference]: With dead ends: 41228 [2019-10-02 05:54:15,699 INFO L226 Difference]: Without dead ends: 41226 [2019-10-02 05:54:15,716 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 05:54:15,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41226 states. [2019-10-02 05:54:17,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41226 to 41226. [2019-10-02 05:54:17,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41226 states. [2019-10-02 05:54:17,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41226 states to 41226 states and 54132 transitions. [2019-10-02 05:54:17,492 INFO L78 Accepts]: Start accepts. Automaton has 41226 states and 54132 transitions. Word has length 482 [2019-10-02 05:54:17,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:54:17,493 INFO L475 AbstractCegarLoop]: Abstraction has 41226 states and 54132 transitions. [2019-10-02 05:54:17,493 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:54:17,493 INFO L276 IsEmpty]: Start isEmpty. Operand 41226 states and 54132 transitions. [2019-10-02 05:54:17,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2019-10-02 05:54:17,499 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:54:17,500 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 14, 13, 13, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:17,500 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:54:17,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:54:17,500 INFO L82 PathProgramCache]: Analyzing trace with hash -318202663, now seen corresponding path program 1 times [2019-10-02 05:54:17,500 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:54:17,500 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:54:17,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:17,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:54:17,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:54:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4301 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 4264 trivial. 0 not checked. [2019-10-02 05:54:18,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:54:18,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:54:18,058 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:54:18,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:54:18,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:54:18,059 INFO L87 Difference]: Start difference. First operand 41226 states and 54132 transitions. Second operand 5 states. [2019-10-02 05:54:19,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:54:19,709 INFO L93 Difference]: Finished difference Result 41232 states and 54137 transitions. [2019-10-02 05:54:19,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:54:19,710 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 487 [2019-10-02 05:54:19,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:54:19,839 INFO L225 Difference]: With dead ends: 41232 [2019-10-02 05:54:19,839 INFO L226 Difference]: Without dead ends: 41230 [2019-10-02 05:54:19,861 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 05:54:19,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41230 states. [2019-10-02 05:54:23,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41230 to 41230. [2019-10-02 05:54:23,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41230 states. [2019-10-02 05:54:23,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41230 states to 41230 states and 54135 transitions. [2019-10-02 05:54:23,520 INFO L78 Accepts]: Start accepts. Automaton has 41230 states and 54135 transitions. Word has length 487 [2019-10-02 05:54:23,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:54:23,520 INFO L475 AbstractCegarLoop]: Abstraction has 41230 states and 54135 transitions. [2019-10-02 05:54:23,520 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:54:23,520 INFO L276 IsEmpty]: Start isEmpty. Operand 41230 states and 54135 transitions. [2019-10-02 05:54:23,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2019-10-02 05:54:23,527 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:54:23,527 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 15, 14, 14, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:23,528 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:54:23,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:54:23,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1075839300, now seen corresponding path program 1 times [2019-10-02 05:54:23,528 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:54:23,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:54:23,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:23,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:54:23,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:54:23,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4355 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 4316 trivial. 0 not checked. [2019-10-02 05:54:23,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:54:23,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:54:23,949 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:54:23,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:54:23,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:54:23,949 INFO L87 Difference]: Start difference. First operand 41230 states and 54135 transitions. Second operand 5 states. [2019-10-02 05:54:26,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:54:26,010 INFO L93 Difference]: Finished difference Result 41236 states and 54140 transitions. [2019-10-02 05:54:26,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:54:26,010 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 492 [2019-10-02 05:54:26,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:54:26,138 INFO L225 Difference]: With dead ends: 41236 [2019-10-02 05:54:26,139 INFO L226 Difference]: Without dead ends: 41234 [2019-10-02 05:54:26,159 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 05:54:26,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41234 states. [2019-10-02 05:54:27,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41234 to 41234. [2019-10-02 05:54:27,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41234 states. [2019-10-02 05:54:28,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41234 states to 41234 states and 54138 transitions. [2019-10-02 05:54:28,125 INFO L78 Accepts]: Start accepts. Automaton has 41234 states and 54138 transitions. Word has length 492 [2019-10-02 05:54:28,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:54:28,125 INFO L475 AbstractCegarLoop]: Abstraction has 41234 states and 54138 transitions. [2019-10-02 05:54:28,125 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:54:28,125 INFO L276 IsEmpty]: Start isEmpty. Operand 41234 states and 54138 transitions. [2019-10-02 05:54:28,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2019-10-02 05:54:28,133 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:54:28,133 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 16, 15, 15, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:28,134 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:54:28,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:54:28,134 INFO L82 PathProgramCache]: Analyzing trace with hash 620128889, now seen corresponding path program 1 times [2019-10-02 05:54:28,134 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:54:28,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:54:28,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:28,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:54:28,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:54:28,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4413 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 4372 trivial. 0 not checked. [2019-10-02 05:54:28,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:54:28,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:54:28,640 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:54:28,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:54:28,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:54:28,640 INFO L87 Difference]: Start difference. First operand 41234 states and 54138 transitions. Second operand 5 states. [2019-10-02 05:54:30,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:54:30,196 INFO L93 Difference]: Finished difference Result 41240 states and 54143 transitions. [2019-10-02 05:54:30,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:54:30,196 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 497 [2019-10-02 05:54:30,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:54:30,315 INFO L225 Difference]: With dead ends: 41240 [2019-10-02 05:54:30,315 INFO L226 Difference]: Without dead ends: 41238 [2019-10-02 05:54:30,332 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 05:54:30,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41238 states. [2019-10-02 05:54:33,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41238 to 41238. [2019-10-02 05:54:33,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41238 states. [2019-10-02 05:54:33,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41238 states to 41238 states and 54141 transitions. [2019-10-02 05:54:33,883 INFO L78 Accepts]: Start accepts. Automaton has 41238 states and 54141 transitions. Word has length 497 [2019-10-02 05:54:33,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:54:33,884 INFO L475 AbstractCegarLoop]: Abstraction has 41238 states and 54141 transitions. [2019-10-02 05:54:33,884 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:54:33,884 INFO L276 IsEmpty]: Start isEmpty. Operand 41238 states and 54141 transitions. [2019-10-02 05:54:33,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2019-10-02 05:54:33,895 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:54:33,895 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 17, 16, 16, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:33,896 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:54:33,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:54:33,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1456202908, now seen corresponding path program 1 times [2019-10-02 05:54:33,896 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:54:33,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:54:33,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:33,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:54:33,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:54:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4475 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 4432 trivial. 0 not checked. [2019-10-02 05:54:34,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:54:34,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:54:34,260 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:54:34,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:54:34,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:54:34,261 INFO L87 Difference]: Start difference. First operand 41238 states and 54141 transitions. Second operand 5 states. [2019-10-02 05:54:35,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:54:35,582 INFO L93 Difference]: Finished difference Result 41244 states and 54146 transitions. [2019-10-02 05:54:35,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:54:35,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 502 [2019-10-02 05:54:35,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:54:35,724 INFO L225 Difference]: With dead ends: 41244 [2019-10-02 05:54:35,724 INFO L226 Difference]: Without dead ends: 41240 [2019-10-02 05:54:35,744 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 05:54:35,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41240 states. [2019-10-02 05:54:37,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41240 to 41240. [2019-10-02 05:54:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41240 states. [2019-10-02 05:54:37,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41240 states to 41240 states and 54142 transitions. [2019-10-02 05:54:37,663 INFO L78 Accepts]: Start accepts. Automaton has 41240 states and 54142 transitions. Word has length 502 [2019-10-02 05:54:37,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:54:37,663 INFO L475 AbstractCegarLoop]: Abstraction has 41240 states and 54142 transitions. [2019-10-02 05:54:37,663 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:54:37,663 INFO L276 IsEmpty]: Start isEmpty. Operand 41240 states and 54142 transitions. [2019-10-02 05:54:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2019-10-02 05:54:37,673 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:54:37,674 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 05:54:37,674 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:54:37,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:54:37,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1718629280, now seen corresponding path program 1 times [2019-10-02 05:54:37,674 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:54:37,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:54:37,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:37,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:54:37,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:54:38,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4052 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 4013 trivial. 0 not checked. [2019-10-02 05:54:38,048 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:54:38,048 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 05:54:38,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:54:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:54:41,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 7247 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 05:54:41,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:54:41,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4052 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 3983 trivial. 0 not checked. [2019-10-02 05:54:41,549 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 05:54:41,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-10-02 05:54:41,550 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 05:54:41,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 05:54:41,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:54:41,553 INFO L87 Difference]: Start difference. First operand 41240 states and 54142 transitions. Second operand 8 states. [2019-10-02 05:55:49,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:55:49,293 INFO L93 Difference]: Finished difference Result 108822 states and 142959 transitions. [2019-10-02 05:55:49,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-02 05:55:49,293 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 505 [2019-10-02 05:55:49,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:55:49,458 INFO L225 Difference]: With dead ends: 108822 [2019-10-02 05:55:49,458 INFO L226 Difference]: Without dead ends: 68164 [2019-10-02 05:55:49,559 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2019-10-02 05:55:49,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68164 states. [2019-10-02 05:55:52,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68164 to 67611. [2019-10-02 05:55:52,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67611 states. [2019-10-02 05:55:52,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67611 states to 67611 states and 88894 transitions. [2019-10-02 05:55:52,866 INFO L78 Accepts]: Start accepts. Automaton has 67611 states and 88894 transitions. Word has length 505 [2019-10-02 05:55:52,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:55:52,867 INFO L475 AbstractCegarLoop]: Abstraction has 67611 states and 88894 transitions. [2019-10-02 05:55:52,867 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 05:55:52,867 INFO L276 IsEmpty]: Start isEmpty. Operand 67611 states and 88894 transitions. [2019-10-02 05:55:52,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2019-10-02 05:55:52,878 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:55:52,878 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 05:55:52,879 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:55:52,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:55:52,879 INFO L82 PathProgramCache]: Analyzing trace with hash -2126521453, now seen corresponding path program 1 times [2019-10-02 05:55:52,879 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:55:52,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:55:52,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:55:52,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:55:52,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:55:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:55:53,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4052 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 4013 trivial. 0 not checked. [2019-10-02 05:55:53,350 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:55:53,350 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 05:55:54,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:55:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:55:56,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 7247 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 05:55:56,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:55:56,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4052 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 3983 trivial. 0 not checked. [2019-10-02 05:55:56,438 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 05:55:56,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-10-02 05:55:56,441 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 05:55:56,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 05:55:56,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:55:56,442 INFO L87 Difference]: Start difference. First operand 67611 states and 88894 transitions. Second operand 8 states. [2019-10-02 05:57:04,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:57:04,113 INFO L93 Difference]: Finished difference Result 147962 states and 194651 transitions. [2019-10-02 05:57:04,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 05:57:04,113 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 504 [2019-10-02 05:57:04,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:57:04,326 INFO L225 Difference]: With dead ends: 147962 [2019-10-02 05:57:04,326 INFO L226 Difference]: Without dead ends: 80943 [2019-10-02 05:57:04,436 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 506 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 05:57:04,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80943 states. [2019-10-02 05:57:10,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80943 to 80839. [2019-10-02 05:57:11,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80839 states. [2019-10-02 05:57:11,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80839 states to 80839 states and 106328 transitions. [2019-10-02 05:57:11,266 INFO L78 Accepts]: Start accepts. Automaton has 80839 states and 106328 transitions. Word has length 504 [2019-10-02 05:57:11,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:57:11,267 INFO L475 AbstractCegarLoop]: Abstraction has 80839 states and 106328 transitions. [2019-10-02 05:57:11,267 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 05:57:11,267 INFO L276 IsEmpty]: Start isEmpty. Operand 80839 states and 106328 transitions. [2019-10-02 05:57:11,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2019-10-02 05:57:11,273 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:57:11,273 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 18, 17, 17, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:57:11,274 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:57:11,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:57:11,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1831428121, now seen corresponding path program 1 times [2019-10-02 05:57:11,274 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:57:11,275 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:57:11,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:57:11,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:57:11,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:57:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:57:12,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4541 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 4496 trivial. 0 not checked. [2019-10-02 05:57:12,038 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:57:12,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:57:12,039 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:57:12,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:57:12,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:57:12,040 INFO L87 Difference]: Start difference. First operand 80839 states and 106328 transitions. Second operand 5 states. [2019-10-02 05:57:14,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:57:14,844 INFO L93 Difference]: Finished difference Result 80839 states and 106328 transitions. [2019-10-02 05:57:14,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:57:14,844 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 507 [2019-10-02 05:57:14,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:57:15,077 INFO L225 Difference]: With dead ends: 80839 [2019-10-02 05:57:15,078 INFO L226 Difference]: Without dead ends: 79129 [2019-10-02 05:57:15,111 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 05:57:15,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79129 states. [2019-10-02 05:57:21,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79129 to 66439. [2019-10-02 05:57:21,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66439 states. [2019-10-02 05:57:22,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66439 states to 66439 states and 87474 transitions. [2019-10-02 05:57:22,009 INFO L78 Accepts]: Start accepts. Automaton has 66439 states and 87474 transitions. Word has length 507 [2019-10-02 05:57:22,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:57:22,010 INFO L475 AbstractCegarLoop]: Abstraction has 66439 states and 87474 transitions. [2019-10-02 05:57:22,010 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:57:22,010 INFO L276 IsEmpty]: Start isEmpty. Operand 66439 states and 87474 transitions. [2019-10-02 05:57:22,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2019-10-02 05:57:22,018 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:57:22,019 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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 05:57:22,019 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:57:22,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:57:22,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1167522429, now seen corresponding path program 1 times [2019-10-02 05:57:22,019 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:57:22,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:57:22,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:57:22,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:57:22,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:57:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:57:22,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4133 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4115 trivial. 0 not checked. [2019-10-02 05:57:22,365 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:57:22,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:57:22,366 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:57:22,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:57:22,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:57:22,366 INFO L87 Difference]: Start difference. First operand 66439 states and 87474 transitions. Second operand 3 states. [2019-10-02 05:57:29,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:57:29,311 INFO L93 Difference]: Finished difference Result 156009 states and 205324 transitions. [2019-10-02 05:57:29,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:57:29,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 536 [2019-10-02 05:57:29,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:57:29,595 INFO L225 Difference]: With dead ends: 156009 [2019-10-02 05:57:29,595 INFO L226 Difference]: Without dead ends: 90162 [2019-10-02 05:57:29,716 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 05:57:29,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90162 states. [2019-10-02 05:57:37,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90162 to 90139. [2019-10-02 05:57:37,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90139 states. [2019-10-02 05:57:37,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90139 states to 90139 states and 118500 transitions. [2019-10-02 05:57:37,598 INFO L78 Accepts]: Start accepts. Automaton has 90139 states and 118500 transitions. Word has length 536 [2019-10-02 05:57:37,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:57:37,599 INFO L475 AbstractCegarLoop]: Abstraction has 90139 states and 118500 transitions. [2019-10-02 05:57:37,599 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:57:37,599 INFO L276 IsEmpty]: Start isEmpty. Operand 90139 states and 118500 transitions. [2019-10-02 05:57:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2019-10-02 05:57:37,606 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:57:37,606 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2019-10-02 05:57:37,606 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:57:37,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:57:37,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1858866638, now seen corresponding path program 1 times [2019-10-02 05:57:37,607 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:57:37,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:57:37,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:57:37,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:57:37,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:57:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:57:37,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4133 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4115 trivial. 0 not checked. [2019-10-02 05:57:37,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:57:37,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:57:37,979 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:57:37,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:57:37,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:57:37,980 INFO L87 Difference]: Start difference. First operand 90139 states and 118500 transitions. Second operand 3 states. [2019-10-02 05:57:46,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:57:46,302 INFO L93 Difference]: Finished difference Result 206196 states and 270791 transitions. [2019-10-02 05:57:46,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:57:46,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 535 [2019-10-02 05:57:46,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:57:46,667 INFO L225 Difference]: With dead ends: 206196 [2019-10-02 05:57:46,668 INFO L226 Difference]: Without dead ends: 116649 [2019-10-02 05:57:46,818 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 05:57:46,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116649 states. [2019-10-02 05:57:55,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116649 to 116634. [2019-10-02 05:57:55,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116634 states. [2019-10-02 05:57:55,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116634 states to 116634 states and 152919 transitions. [2019-10-02 05:57:55,882 INFO L78 Accepts]: Start accepts. Automaton has 116634 states and 152919 transitions. Word has length 535 [2019-10-02 05:57:55,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:57:55,883 INFO L475 AbstractCegarLoop]: Abstraction has 116634 states and 152919 transitions. [2019-10-02 05:57:55,883 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:57:55,883 INFO L276 IsEmpty]: Start isEmpty. Operand 116634 states and 152919 transitions. [2019-10-02 05:57:55,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2019-10-02 05:57:55,892 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:57:55,893 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 9, 9, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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 05:57:55,893 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:57:55,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:57:55,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1583580797, now seen corresponding path program 1 times [2019-10-02 05:57:55,894 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:57:55,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:57:55,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:57:55,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:57:55,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:57:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:57:56,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4202 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4178 trivial. 0 not checked. [2019-10-02 05:57:56,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:57:56,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:57:56,320 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:57:56,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:57:56,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:57:56,320 INFO L87 Difference]: Start difference. First operand 116634 states and 152919 transitions. Second operand 3 states. [2019-10-02 05:58:09,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:58:09,445 INFO L93 Difference]: Finished difference Result 259171 states and 339584 transitions. [2019-10-02 05:58:09,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:58:09,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 558 [2019-10-02 05:58:09,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:58:09,969 INFO L225 Difference]: With dead ends: 259171 [2019-10-02 05:58:09,969 INFO L226 Difference]: Without dead ends: 142127 [2019-10-02 05:58:10,184 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 05:58:10,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142127 states. [2019-10-02 05:58:17,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142127 to 142112. [2019-10-02 05:58:17,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142112 states. [2019-10-02 05:58:17,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142112 states to 142112 states and 186106 transitions. [2019-10-02 05:58:17,798 INFO L78 Accepts]: Start accepts. Automaton has 142112 states and 186106 transitions. Word has length 558 [2019-10-02 05:58:17,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:58:17,798 INFO L475 AbstractCegarLoop]: Abstraction has 142112 states and 186106 transitions. [2019-10-02 05:58:17,798 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:58:17,799 INFO L276 IsEmpty]: Start isEmpty. Operand 142112 states and 186106 transitions. [2019-10-02 05:58:17,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2019-10-02 05:58:17,810 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:58:17,811 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 9, 9, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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 05:58:17,811 INFO L418 AbstractCegarLoop]: === Iteration 29 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:58:17,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:58:17,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1568062079, now seen corresponding path program 1 times [2019-10-02 05:58:17,812 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:58:17,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:58:17,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:58:17,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:58:17,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:58:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:58:18,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4202 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4178 trivial. 0 not checked. [2019-10-02 05:58:18,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:58:18,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:58:18,179 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:58:18,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:58:18,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:58:18,179 INFO L87 Difference]: Start difference. First operand 142112 states and 186106 transitions. Second operand 3 states. [2019-10-02 05:58:31,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:58:31,351 INFO L93 Difference]: Finished difference Result 310202 states and 406102 transitions. [2019-10-02 05:58:31,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:58:31,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 558 [2019-10-02 05:58:31,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:58:32,015 INFO L225 Difference]: With dead ends: 310202 [2019-10-02 05:58:32,015 INFO L226 Difference]: Without dead ends: 168682 [2019-10-02 05:58:32,286 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 05:58:32,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168682 states. [2019-10-02 05:58:45,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168682 to 168667. [2019-10-02 05:58:45,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168667 states. [2019-10-02 05:58:46,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168667 states to 168667 states and 220585 transitions. [2019-10-02 05:58:46,489 INFO L78 Accepts]: Start accepts. Automaton has 168667 states and 220585 transitions. Word has length 558 [2019-10-02 05:58:46,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:58:46,489 INFO L475 AbstractCegarLoop]: Abstraction has 168667 states and 220585 transitions. [2019-10-02 05:58:46,489 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:58:46,489 INFO L276 IsEmpty]: Start isEmpty. Operand 168667 states and 220585 transitions. [2019-10-02 05:58:46,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2019-10-02 05:58:46,500 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:58:46,501 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 9, 9, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 05:58:46,501 INFO L418 AbstractCegarLoop]: === Iteration 30 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:58:46,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:58:46,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1777586905, now seen corresponding path program 1 times [2019-10-02 05:58:46,502 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:58:46,502 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:58:46,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:58:46,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:58:46,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:58:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:58:46,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4203 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4178 trivial. 0 not checked. [2019-10-02 05:58:46,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:58:46,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:58:46,880 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:58:46,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:58:46,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:58:46,881 INFO L87 Difference]: Start difference. First operand 168667 states and 220585 transitions. Second operand 3 states. [2019-10-02 05:59:05,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:59:05,353 INFO L93 Difference]: Finished difference Result 368405 states and 481233 transitions. [2019-10-02 05:59:05,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:59:05,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 560 [2019-10-02 05:59:05,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:59:06,138 INFO L225 Difference]: With dead ends: 368405 [2019-10-02 05:59:06,139 INFO L226 Difference]: Without dead ends: 198334 [2019-10-02 05:59:06,453 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 05:59:06,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198334 states. [2019-10-02 05:59:16,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198334 to 198311. [2019-10-02 05:59:16,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198311 states. [2019-10-02 05:59:16,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198311 states to 198311 states and 258823 transitions. [2019-10-02 05:59:16,749 INFO L78 Accepts]: Start accepts. Automaton has 198311 states and 258823 transitions. Word has length 560 [2019-10-02 05:59:16,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:59:16,750 INFO L475 AbstractCegarLoop]: Abstraction has 198311 states and 258823 transitions. [2019-10-02 05:59:16,750 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:59:16,750 INFO L276 IsEmpty]: Start isEmpty. Operand 198311 states and 258823 transitions. [2019-10-02 05:59:16,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2019-10-02 05:59:16,767 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:59:16,768 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 9, 9, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 05:59:16,768 INFO L418 AbstractCegarLoop]: === Iteration 31 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:59:16,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:59:16,768 INFO L82 PathProgramCache]: Analyzing trace with hash 2036300133, now seen corresponding path program 1 times [2019-10-02 05:59:16,769 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:59:16,769 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:59:16,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:59:16,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:59:16,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:59:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:59:17,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4203 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4178 trivial. 0 not checked. [2019-10-02 05:59:17,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:59:17,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:59:17,113 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:59:17,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:59:17,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:59:17,114 INFO L87 Difference]: Start difference. First operand 198311 states and 258823 transitions. Second operand 3 states. [2019-10-02 05:59:34,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:59:34,559 INFO L93 Difference]: Finished difference Result 427818 states and 557947 transitions. [2019-10-02 05:59:34,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:59:34,559 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 560 [2019-10-02 05:59:34,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:59:35,529 INFO L225 Difference]: With dead ends: 427818 [2019-10-02 05:59:35,529 INFO L226 Difference]: Without dead ends: 230099 [2019-10-02 05:59:35,892 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 05:59:36,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230099 states. [2019-10-02 05:59:55,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230099 to 230076. [2019-10-02 05:59:55,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230076 states. [2019-10-02 05:59:56,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230076 states to 230076 states and 299623 transitions. [2019-10-02 05:59:56,444 INFO L78 Accepts]: Start accepts. Automaton has 230076 states and 299623 transitions. Word has length 560 [2019-10-02 05:59:56,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:59:56,445 INFO L475 AbstractCegarLoop]: Abstraction has 230076 states and 299623 transitions. [2019-10-02 05:59:56,445 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:59:56,445 INFO L276 IsEmpty]: Start isEmpty. Operand 230076 states and 299623 transitions. [2019-10-02 05:59:56,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2019-10-02 05:59:56,476 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:59:56,477 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 11, 11, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:59:56,477 INFO L418 AbstractCegarLoop]: === Iteration 32 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:59:56,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:59:56,478 INFO L82 PathProgramCache]: Analyzing trace with hash -257491325, now seen corresponding path program 1 times [2019-10-02 05:59:56,478 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:59:56,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:59:56,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:59:56,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:59:56,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:59:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:59:56,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4299 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 4259 trivial. 0 not checked. [2019-10-02 05:59:56,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:59:56,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:59:56,857 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:59:56,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:59:56,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:59:56,858 INFO L87 Difference]: Start difference. First operand 230076 states and 299623 transitions. Second operand 5 states. [2019-10-02 06:00:17,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:00:17,253 INFO L93 Difference]: Finished difference Result 492675 states and 640888 transitions. [2019-10-02 06:00:17,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 06:00:17,253 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 589 [2019-10-02 06:00:17,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:00:18,193 INFO L225 Difference]: With dead ends: 492675 [2019-10-02 06:00:18,194 INFO L226 Difference]: Without dead ends: 263191 [2019-10-02 06:00:19,187 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-02 06:00:19,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263191 states. [2019-10-02 06:00:40,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263191 to 263126. [2019-10-02 06:00:40,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263126 states. [2019-10-02 06:00:41,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263126 states to 263126 states and 341768 transitions. [2019-10-02 06:00:41,261 INFO L78 Accepts]: Start accepts. Automaton has 263126 states and 341768 transitions. Word has length 589 [2019-10-02 06:00:41,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:00:41,262 INFO L475 AbstractCegarLoop]: Abstraction has 263126 states and 341768 transitions. [2019-10-02 06:00:41,262 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 06:00:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand 263126 states and 341768 transitions. [2019-10-02 06:00:41,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2019-10-02 06:00:41,288 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:00:41,289 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 11, 11, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:00:41,289 INFO L418 AbstractCegarLoop]: === Iteration 33 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:00:41,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:00:41,290 INFO L82 PathProgramCache]: Analyzing trace with hash -553440896, now seen corresponding path program 1 times [2019-10-02 06:00:41,290 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:00:41,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:00:41,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:00:41,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:00:41,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:00:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:00:41,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4299 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 4259 trivial. 0 not checked. [2019-10-02 06:00:41,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:00:41,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 06:00:41,828 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 06:00:41,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 06:00:41,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 06:00:41,829 INFO L87 Difference]: Start difference. First operand 263126 states and 341768 transitions. Second operand 5 states. [2019-10-02 06:01:09,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:01:09,069 INFO L93 Difference]: Finished difference Result 593785 states and 770309 transitions. [2019-10-02 06:01:09,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 06:01:09,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 590 [2019-10-02 06:01:09,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:01:10,484 INFO L225 Difference]: With dead ends: 593785 [2019-10-02 06:01:10,484 INFO L226 Difference]: Without dead ends: 331251 [2019-10-02 06:01:11,471 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-02 06:01:11,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331251 states. [2019-10-02 06:01:37,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331251 to 331176. [2019-10-02 06:01:37,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331176 states. [2019-10-02 06:01:38,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331176 states to 331176 states and 428913 transitions. [2019-10-02 06:01:38,583 INFO L78 Accepts]: Start accepts. Automaton has 331176 states and 428913 transitions. Word has length 590 [2019-10-02 06:01:38,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:01:38,584 INFO L475 AbstractCegarLoop]: Abstraction has 331176 states and 428913 transitions. [2019-10-02 06:01:38,584 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 06:01:38,584 INFO L276 IsEmpty]: Start isEmpty. Operand 331176 states and 428913 transitions. [2019-10-02 06:01:38,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2019-10-02 06:01:38,613 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:01:38,613 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 11, 11, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:01:38,614 INFO L418 AbstractCegarLoop]: === Iteration 34 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:01:38,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:01:38,614 INFO L82 PathProgramCache]: Analyzing trace with hash 519028358, now seen corresponding path program 1 times [2019-10-02 06:01:38,614 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:01:38,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:01:38,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:01:38,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:01:38,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:01:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:01:39,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4299 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 4259 trivial. 0 not checked. [2019-10-02 06:01:39,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:01:39,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 06:01:39,036 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 06:01:39,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 06:01:39,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 06:01:39,037 INFO L87 Difference]: Start difference. First operand 331176 states and 428913 transitions. Second operand 5 states. [2019-10-02 06:02:09,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:02:09,628 INFO L93 Difference]: Finished difference Result 727940 states and 942644 transitions. [2019-10-02 06:02:09,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 06:02:09,629 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 591 [2019-10-02 06:02:09,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:02:11,115 INFO L225 Difference]: With dead ends: 727940 [2019-10-02 06:02:11,115 INFO L226 Difference]: Without dead ends: 397356 [2019-10-02 06:02:11,646 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-02 06:02:12,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397356 states.