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-nfs_layout_nfsv41_files.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 23:16:58,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 23:16:58,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 23:16:58,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 23:16:58,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 23:16:58,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 23:16:58,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 23:16:58,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 23:16:58,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 23:16:58,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 23:16:58,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 23:16:58,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 23:16:58,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 23:16:58,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 23:16:58,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 23:16:58,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 23:16:58,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 23:16:58,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 23:16:58,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 23:16:58,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 23:16:58,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 23:16:58,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 23:16:58,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 23:16:58,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 23:16:58,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 23:16:58,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 23:16:58,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 23:16:58,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 23:16:58,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 23:16:58,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 23:16:58,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 23:16:59,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 23:16:59,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 23:16:59,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 23:16:59,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 23:16:59,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 23:16:59,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 23:16:59,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 23:16:59,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 23:16:59,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 23:16:59,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 23:16:59,006 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 [2019-09-08 23:16:59,020 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 23:16:59,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 23:16:59,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 23:16:59,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 23:16:59,022 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 23:16:59,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 23:16:59,022 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 23:16:59,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 23:16:59,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 23:16:59,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 23:16:59,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 23:16:59,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 23:16:59,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 23:16:59,024 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 23:16:59,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 23:16:59,024 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 23:16:59,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 23:16:59,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 23:16:59,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 23:16:59,025 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 23:16:59,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 23:16:59,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 23:16:59,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 23:16:59,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 23:16:59,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 23:16:59,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 23:16:59,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 23:16:59,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 23:16:59,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 23:16:59,054 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 23:16:59,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 23:16:59,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 23:16:59,072 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 23:16:59,073 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 23:16:59,074 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2019-09-08 23:16:59,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4749544cd/47845dd8543343cb8f2564bcda00a1d3/FLAG2dfeff207 [2019-09-08 23:16:59,998 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 23:17:00,000 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2019-09-08 23:17:00,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4749544cd/47845dd8543343cb8f2564bcda00a1d3/FLAG2dfeff207 [2019-09-08 23:17:00,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4749544cd/47845dd8543343cb8f2564bcda00a1d3 [2019-09-08 23:17:00,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 23:17:00,420 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 23:17:00,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 23:17:00,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 23:17:00,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 23:17:00,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:17:00" (1/1) ... [2019-09-08 23:17:00,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@84b385e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:17:00, skipping insertion in model container [2019-09-08 23:17:00,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:17:00" (1/1) ... [2019-09-08 23:17:00,435 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 23:17:00,627 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 23:17:05,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 23:17:05,570 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 23:17:06,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 23:17:06,975 INFO L192 MainTranslator]: Completed translation [2019-09-08 23:17:06,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:17:06 WrapperNode [2019-09-08 23:17:06,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 23:17:06,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 23:17:06,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 23:17:06,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 23:17:06,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:17:06" (1/1) ... [2019-09-08 23:17:06,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:17:06" (1/1) ... [2019-09-08 23:17:07,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:17:06" (1/1) ... [2019-09-08 23:17:07,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:17:06" (1/1) ... [2019-09-08 23:17:07,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:17:06" (1/1) ... [2019-09-08 23:17:07,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:17:06" (1/1) ... [2019-09-08 23:17:07,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:17:06" (1/1) ... [2019-09-08 23:17:07,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 23:17:07,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 23:17:07,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 23:17:07,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 23:17:07,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:17:06" (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 [2019-09-08 23:17:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 23:17:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 23:17:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-09-08 23:17:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-08 23:17:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 23:17:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-08 23:17:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-08 23:17:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-08 23:17:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-09-08 23:17:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-08 23:17:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2019-09-08 23:17:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-08 23:17:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-08 23:17:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-08 23:17:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-08 23:17:07,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-09-08 23:17:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2019-09-08 23:17:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2019-09-08 23:17:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab64p [2019-09-08 23:17:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __be64_to_cpup [2019-09-08 23:17:07,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2019-09-08 23:17:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-09-08 23:17:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2019-09-08 23:17:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2019-09-08 23:17:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-09-08 23:17:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-08 23:17:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2019-09-08 23:17:07,627 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-08 23:17:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-09-08 23:17:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2019-09-08 23:17:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-09-08 23:17:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-09-08 23:17:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_static_branch [2019-09-08 23:17:07,628 INFO L138 BoogieDeclarations]: Found implementation of procedure static_key_false [2019-09-08 23:17:07,629 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-08 23:17:07,629 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-08 23:17:07,629 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-09-08 23:17:07,629 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-09-08 23:17:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_sched_notrace [2019-09-08 23:17:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-09-08 23:17:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-09-08 23:17:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be64 [2019-09-08 23:17:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_decode_hyper [2019-09-08 23:17:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-08 23:17:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-09-08 23:17:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-08 23:17:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2019-09-08 23:17:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-09-08 23:17:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2019-09-08 23:17:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SB [2019-09-08 23:17:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2019-09-08 23:17:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_CLIENT [2019-09-08 23:17:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2019-09-08 23:17:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_lock_request [2019-09-08 23:17:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_list_add_request [2019-09-08 23:17:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_list_entry [2019-09-08 23:17:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2019-09-08 23:17:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2019-09-08 23:17:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_enabled_sb [2019-09-08 23:17:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_return_layout [2019-09-08 23:17:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2019-09-08 23:17:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2019-09-08 23:17:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2019-09-08 23:17:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_invalid [2019-09-08 23:17:07,635 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_nfs4_pnfs_read [2019-09-08 23:17:07,635 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_nfs4_pnfs_write [2019-09-08 23:17:07,635 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_nfs4_pnfs_commit_ds [2019-09-08 23:17:07,635 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dense_offset [2019-09-08 23:17:07,636 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2019-09-08 23:17:07,636 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2019-09-08 23:17:07,636 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2019-09-08 23:17:07,636 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2019-09-08 23:17:07,636 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_async_handle_error [2019-09-08 23:17:07,637 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_done_cb [2019-09-08 23:17:07,637 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_set_layoutcommit [2019-09-08 23:17:07,637 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2019-09-08 23:17:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2019-09-08 23:17:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2019-09-08 23:17:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2019-09-08 23:17:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2019-09-08 23:17:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2019-09-08 23:17:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_done_cb [2019-09-08 23:17:07,639 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2019-09-08 23:17:07,639 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_done_cb [2019-09-08 23:17:07,639 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2019-09-08 23:17:07,640 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2019-09-08 23:17:07,640 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2019-09-08 23:17:07,640 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2019-09-08 23:17:07,641 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2019-09-08 23:17:07,641 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2019-09-08 23:17:07,641 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2019-09-08 23:17:07,642 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2019-09-08 23:17:07,642 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2019-09-08 23:17:07,642 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2019-09-08 23:17:07,642 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_check_layout [2019-09-08 23:17:07,642 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2019-09-08 23:17:07,642 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2019-09-08 23:17:07,642 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_decode_layout [2019-09-08 23:17:07,643 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2019-09-08 23:17:07,643 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_commit_info [2019-09-08 23:17:07,643 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2019-09-08 23:17:07,643 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2019-09-08 23:17:07,643 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2019-09-08 23:17:07,643 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2019-09-08 23:17:07,643 INFO L138 BoogieDeclarations]: Found implementation of procedure select_bucket_index [2019-09-08 23:17:07,644 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2019-09-08 23:17:07,644 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_choose_commit_list [2019-09-08 23:17:07,644 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2019-09-08 23:17:07,644 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_ds_index_from_commit [2019-09-08 23:17:07,644 INFO L138 BoogieDeclarations]: Found implementation of procedure select_ds_fh_from_commit [2019-09-08 23:17:07,644 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_initiate_commit [2019-09-08 23:17:07,644 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2019-09-08 23:17:07,645 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_ds_commit_list [2019-09-08 23:17:07,645 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2019-09-08 23:17:07,645 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2019-09-08 23:17:07,645 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_ds_commits [2019-09-08 23:17:07,645 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2019-09-08 23:17:07,646 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2019-09-08 23:17:07,646 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2019-09-08 23:17:07,646 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2019-09-08 23:17:07,646 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2019-09-08 23:17:07,646 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4filelayout_init [2019-09-08 23:17:07,647 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4filelayout_exit [2019-09-08 23:17:07,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2019-09-08 23:17:07,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_nfs4filelayout_init_5_11 [2019-09-08 23:17:07,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-09-08 23:17:07,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_1_5_4 [2019-09-08 23:17:07,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_2_5_5 [2019-09-08 23:17:07,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_1_5_6 [2019-09-08 23:17:07,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_2_5_7 [2019-09-08 23:17:07,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_12 [2019-09-08 23:17:07,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_15 [2019-09-08 23:17:07,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-09-08 23:17:07,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_9 [2019-09-08 23:17:07,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-09-08 23:17:07,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-09-08 23:17:07,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-09-08 23:17:07,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-09-08 23:17:07,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_12 [2019-09-08 23:17:07,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_15 [2019-09-08 23:17:07,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-09-08 23:17:07,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_9 [2019-09-08 23:17:07,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_12 [2019-09-08 23:17:07,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_13 [2019-09-08 23:17:07,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_16 [2019-09-08 23:17:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_17 [2019-09-08 23:17:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_18 [2019-09-08 23:17:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_19 [2019-09-08 23:17:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_20 [2019-09-08 23:17:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_21 [2019-09-08 23:17:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_22 [2019-09-08 23:17:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_23 [2019-09-08 23:17:07,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_26 [2019-09-08 23:17:07,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_27 [2019-09-08 23:17:07,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_28 [2019-09-08 23:17:07,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-09-08 23:17:07,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_31 [2019-09-08 23:17:07,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_9 [2019-09-08 23:17:07,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_12 [2019-09-08 23:17:07,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_13 [2019-09-08 23:17:07,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_16 [2019-09-08 23:17:07,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_17 [2019-09-08 23:17:07,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_18 [2019-09-08 23:17:07,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_19 [2019-09-08 23:17:07,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_20 [2019-09-08 23:17:07,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_21 [2019-09-08 23:17:07,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_22 [2019-09-08 23:17:07,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_23 [2019-09-08 23:17:07,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_26 [2019-09-08 23:17:07,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_27 [2019-09-08 23:17:07,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_28 [2019-09-08 23:17:07,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-09-08 23:17:07,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_31 [2019-09-08 23:17:07,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_9 [2019-09-08 23:17:07,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_5 [2019-09-08 23:17:07,664 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 23:17:07,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-09-08 23:17:07,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_0 [2019-09-08 23:17:07,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_1 [2019-09-08 23:17:07,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_2 [2019-09-08 23:17:07,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-09-08 23:17:07,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-09-08 23:17:07,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-09-08 23:17:07,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_5 [2019-09-08 23:17:07,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-09-08 23:17:07,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2019-09-08 23:17:07,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_1 [2019-09-08 23:17:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_5 [2019-09-08 23:17:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-08 23:17:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-08 23:17:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2019-09-08 23:17:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2019-09-08 23:17:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2019-09-08 23:17:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2019-09-08 23:17:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-08 23:17:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-08 23:17:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-08 23:17:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_on_bit [2019-09-08 23:17:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipv6_addr_src_scope [2019-09-08 23:17:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_addr_src_scope [2019-09-08 23:17:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_addr_equal [2019-09-08 23:17:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_page_array_len [2019-09-08 23:17:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_devid_invalid [2019-09-08 23:17:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ds [2019-09-08 23:17:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure same_sockaddr [2019-09-08 23:17:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure _same_data_server_addrs_locked [2019-09-08 23:17:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure _data_server_lookup_locked [2019-09-08 23:17:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_ds_connect [2019-09-08 23:17:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_ds [2019-09-08 23:17:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2019-09-08 23:17:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_pnfs_remotestr [2019-09-08 23:17:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_pnfs_ds_add [2019-09-08 23:17:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_ds_addr [2019-09-08 23:17:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_device [2019-09-08 23:17:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_and_add_device [2019-09-08 23:17:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_device_info [2019-09-08 23:17:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2019-09-08 23:17:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2019-09-08 23:17:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2019-09-08 23:17:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2019-09-08 23:17:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_wait_ds_connect [2019-09-08 23:17:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_clear_ds_conn_bit [2019-09-08 23:17:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2019-09-08 23:17:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_3 [2019-09-08 23:17:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_4 [2019-09-08 23:17:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-09-08 23:17:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_5 [2019-09-08 23:17:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-09-08 23:17:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_5 [2019-09-08 23:17:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-09-08 23:17:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-08 23:17:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_atomic_dec_and_lock_79 [2019-09-08 23:17:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80___0 [2019-09-08 23:17:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81___0 [2019-09-08 23:17:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-09-08 23:17:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-09-08 23:17:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-09-08 23:17:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 23:17:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 23:17:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 23:17:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 23:17:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-09-08 23:17:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-09-08 23:17:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-09-08 23:17:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-09-08 23:17:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-09-08 23:17:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-09-08 23:17:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 23:17:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 23:17:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-08 23:17:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 23:17:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-09-08 23:17:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 23:17:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-09-08 23:17:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-09-08 23:17:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-09-08 23:17:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-09-08 23:17:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-09-08 23:17:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-09-08 23:17:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-09-08 23:17:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 23:17:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 23:17:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 23:17:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-08 23:17:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-09-08 23:17:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-09-08 23:17:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-09-08 23:17:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-09-08 23:17:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-09-08 23:17:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-09-08 23:17:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-09-08 23:17:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-09-08 23:17:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-09-08 23:17:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-09-08 23:17:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-09-08 23:17:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-09-08 23:17:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-09-08 23:17:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-09-08 23:17:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-09-08 23:17:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-09-08 23:17:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-09-08 23:17:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-09-08 23:17:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-09-08 23:17:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-09-08 23:17:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-09-08 23:17:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-09-08 23:17:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-09-08 23:17:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-09-08 23:17:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-09-08 23:17:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-09-08 23:17:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-09-08 23:17:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-09-08 23:17:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-09-08 23:17:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cl_lock_of_nfs_client [2019-09-08 23:17:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_cl_lock_of_nfs_client [2019-09-08 23:17:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_cl_lock_of_nfs_client [2019-09-08 23:17:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_cl_lock_of_nfs_client [2019-09-08 23:17:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_cl_lock_of_nfs_client [2019-09-08 23:17:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_cl_lock_of_nfs_client [2019-09-08 23:17:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_cl_lock_of_nfs_client [2019-09-08 23:17:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_cl_lock_of_nfs_client [2019-09-08 23:17:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-09-08 23:17:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-09-08 23:17:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-09-08 23:17:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-09-08 23:17:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-09-08 23:17:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-09-08 23:17:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-09-08 23:17:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-09-08 23:17:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-09-08 23:17:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-09-08 23:17:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-09-08 23:17:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-09-08 23:17:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-09-08 23:17:07,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-09-08 23:17:07,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-09-08 23:17:07,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-09-08 23:17:07,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_nfs_commit_info [2019-09-08 23:17:07,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_nfs_commit_info [2019-09-08 23:17:07,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_nfs_commit_info [2019-09-08 23:17:07,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_nfs_commit_info [2019-09-08 23:17:07,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_nfs_commit_info [2019-09-08 23:17:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_nfs_commit_info [2019-09-08 23:17:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_nfs_commit_info [2019-09-08 23:17:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_nfs_commit_info [2019-09-08 23:17:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_res_counter [2019-09-08 23:17:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_res_counter [2019-09-08 23:17:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_res_counter [2019-09-08 23:17:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_res_counter [2019-09-08 23:17:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_res_counter [2019-09-08 23:17:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_res_counter [2019-09-08 23:17:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_res_counter [2019-09-08 23:17:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2019-09-08 23:17:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-09-08 23:17:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-09-08 23:17:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-09-08 23:17:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-09-08 23:17:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-09-08 23:17:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-09-08 23:17:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-09-08 23:17:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-09-08 23:17:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_nfs4_ds_cache_lock [2019-09-08 23:17:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_nfs4_ds_cache_lock [2019-09-08 23:17:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_nfs4_ds_cache_lock [2019-09-08 23:17:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_nfs4_ds_cache_lock [2019-09-08 23:17:07,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_nfs4_ds_cache_lock [2019-09-08 23:17:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_nfs4_ds_cache_lock [2019-09-08 23:17:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_nfs4_ds_cache_lock [2019-09-08 23:17:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_nfs4_ds_cache_lock [2019-09-08 23:17:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-09-08 23:17:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-09-08 23:17:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-09-08 23:17:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-09-08 23:17:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-09-08 23:17:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-09-08 23:17:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-09-08 23:17:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-09-08 23:17:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-09-08 23:17:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-09-08 23:17:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-09-08 23:17:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-09-08 23:17:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-09-08 23:17:07,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-09-08 23:17:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-09-08 23:17:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-09-08 23:17:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-09-08 23:17:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-09-08 23:17:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-09-08 23:17:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-09-08 23:17:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-09-08 23:17:07,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-09-08 23:17:07,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-09-08 23:17:07,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-09-08 23:17:07,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_sk_dst_lock_of_sock [2019-09-08 23:17:07,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2019-09-08 23:17:07,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2019-09-08 23:17:07,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2019-09-08 23:17:07,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2019-09-08 23:17:07,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2019-09-08 23:17:07,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2019-09-08 23:17:07,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2019-09-08 23:17:07,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-09-08 23:17:07,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-09-08 23:17:07,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-09-08 23:17:07,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-09-08 23:17:07,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-09-08 23:17:07,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-09-08 23:17:07,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-09-08 23:17:07,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-09-08 23:17:07,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 23:17:07,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-09-08 23:17:07,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-09-08 23:17:07,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-09-08 23:17:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-09-08 23:17:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-09-08 23:17:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __cond_resched_lock [2019-09-08 23:17:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2019-09-08 23:17:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipv6_addr_type [2019-09-08 23:17:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_atomic_dec_and_lock [2019-09-08 23:17:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-08 23:17:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-09-08 23:17:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-09-08 23:17:07,696 INFO L138 BoogieDeclarations]: Found implementation of procedure _pnfs_return_layout [2019-09-08 23:17:07,696 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-08 23:17:07,696 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-08 23:17:07,696 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-09-08 23:17:07,696 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-09-08 23:17:07,696 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-09-08 23:17:07,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-09-08 23:17:07,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-09-08 23:17:07,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-08 23:17:07,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 23:17:07,697 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2019-09-08 23:17:07,697 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-09-08 23:17:07,697 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2019-09-08 23:17:07,697 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2019-09-08 23:17:07,697 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_get_deviceid [2019-09-08 23:17:07,697 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2019-09-08 23:17:07,697 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_init_deviceid_node [2019-09-08 23:17:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_init_ds_session [2019-09-08 23:17:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_insert_deviceid_node [2019-09-08 23:17:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2019-09-08 23:17:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2019-09-08 23:17:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_proc_getdeviceinfo [2019-09-08 23:17:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_put_deviceid_node [2019-09-08 23:17:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_schedule_lease_recovery [2019-09-08 23:17:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_schedule_session_recovery [2019-09-08 23:17:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_schedule_stateid_recovery [2019-09-08 23:17:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_ds_client [2019-09-08 23:17:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2019-09-08 23:17:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_test_deviceid_unavailable [2019-09-08 23:17:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2019-09-08 23:17:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_release [2019-09-08 23:17:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_generic_pg_test [2019-09-08 23:17:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_cinfo [2019-09-08 23:17:07,699 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2019-09-08 23:17:07,700 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2019-09-08 23:17:07,700 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_read [2019-09-08 23:17:07,700 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_write [2019-09-08 23:17:07,700 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2019-09-08 23:17:07,700 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_write_mds [2019-09-08 23:17:07,700 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2019-09-08 23:17:07,700 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_remove_bad_delegation [2019-09-08 23:17:07,700 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_add_commit_list [2019-09-08 23:17:07,701 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2019-09-08 23:17:07,701 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2019-09-08 23:17:07,701 INFO L138 BoogieDeclarations]: Found implementation of procedure out_of_line_wait_on_bit [2019-09-08 23:17:07,701 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_destroy_layout [2019-09-08 23:17:07,701 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_readpages [2019-09-08 23:17:07,701 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_test [2019-09-08 23:17:07,701 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_writepages [2019-09-08 23:17:07,701 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2019-09-08 23:17:07,701 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_read_done_resend_to_mds [2019-09-08 23:17:07,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_register_layoutdriver [2019-09-08 23:17:07,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_set_layoutcommit [2019-09-08 23:17:07,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_unregister_layoutdriver [2019-09-08 23:17:07,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2019-09-08 23:17:07,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_write_done_resend_to_mds [2019-09-08 23:17:07,702 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 23:17:07,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-09-08 23:17:07,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2019-09-08 23:17:07,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2019-09-08 23:17:07,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_delay [2019-09-08 23:17:07,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2019-09-08 23:17:07,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pton [2019-09-08 23:17:07,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_restart_call_prepare [2019-09-08 23:17:07,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_sleep_on [2019-09-08 23:17:07,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_wake_up [2019-09-08 23:17:07,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_wake_up_queued_task [2019-09-08 23:17:07,703 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_bit [2019-09-08 23:17:07,704 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-08 23:17:07,704 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2019-09-08 23:17:07,704 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2019-09-08 23:17:07,704 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2019-09-08 23:17:07,704 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 23:17:07,704 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 23:17:07,705 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 23:17:07,705 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 23:17:07,705 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 23:17:07,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 23:17:07,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 23:17:07,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-09-08 23:17:07,705 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-08 23:17:07,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 23:17:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-08 23:17:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-08 23:17:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 23:17:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-08 23:17:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-09-08 23:17:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-09-08 23:17:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-08 23:17:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2019-09-08 23:17:07,706 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-08 23:17:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-08 23:17:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-08 23:17:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-08 23:17:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 23:17:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-09-08 23:17:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2019-09-08 23:17:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2019-09-08 23:17:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure __swab64p [2019-09-08 23:17:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure __be64_to_cpup [2019-09-08 23:17:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2019-09-08 23:17:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 23:17:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-09-08 23:17:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-08 23:17:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 23:17:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-08 23:17:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-09-08 23:17:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2019-09-08 23:17:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 23:17:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2019-09-08 23:17:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 23:17:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 23:17:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-08 23:17:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-09-08 23:17:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-09-08 23:17:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-08 23:17:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2019-09-08 23:17:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-08 23:17:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-09-08 23:17:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2019-09-08 23:17:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-09-08 23:17:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_nfs_commit_info [2019-09-08 23:17:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_nfs_commit_info [2019-09-08 23:17:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 23:17:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-09-08 23:17:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 23:17:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-09-08 23:17:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 23:17:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 23:17:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-09-08 23:17:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-09-08 23:17:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-09-08 23:17:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2019-09-08 23:17:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-09-08 23:17:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-09-08 23:17:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure arch_static_branch [2019-09-08 23:17:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure static_key_false [2019-09-08 23:17:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-08 23:17:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-08 23:17:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-08 23:17:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2019-09-08 23:17:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-08 23:17:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2019-09-08 23:17:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-09-08 23:17:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2019-09-08 23:17:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-09-08 23:17:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-09-08 23:17:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-09-08 23:17:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_sched_notrace [2019-09-08 23:17:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-09-08 23:17:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-09-08 23:17:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2019-09-08 23:17:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-09-08 23:17:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be64 [2019-09-08 23:17:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_decode_hyper [2019-09-08 23:17:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2019-09-08 23:17:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2019-09-08 23:17:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2019-09-08 23:17:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2019-09-08 23:17:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_sleep_on [2019-09-08 23:17:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_wake_up_queued_task [2019-09-08 23:17:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_wake_up [2019-09-08 23:17:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_delay [2019-09-08 23:17:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 23:17:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 23:17:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-08 23:17:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-09-08 23:17:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-08 23:17:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2019-09-08 23:17:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-09-08 23:17:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-08 23:17:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure __cond_resched_lock [2019-09-08 23:17:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_restart_call_prepare [2019-09-08 23:17:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2019-09-08 23:17:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SB [2019-09-08 23:17:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2019-09-08 23:17:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_CLIENT [2019-09-08 23:17:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2019-09-08 23:17:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2019-09-08 23:17:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_generic_pg_test [2019-09-08 23:17:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_lock_request [2019-09-08 23:17:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_list_add_request [2019-09-08 23:17:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_list_entry [2019-09-08 23:17:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2019-09-08 23:17:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2019-09-08 23:17:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2019-09-08 23:17:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2019-09-08 23:17:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2019-09-08 23:17:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_schedule_session_recovery [2019-09-08 23:17:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_schedule_lease_recovery [2019-09-08 23:17:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_schedule_stateid_recovery [2019-09-08 23:17:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2019-09-08 23:17:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2019-09-08 23:17:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_read [2019-09-08 23:17:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2019-09-08 23:17:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_write_mds [2019-09-08 23:17:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_write [2019-09-08 23:17:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2019-09-08 23:17:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2019-09-08 23:17:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2019-09-08 23:17:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_release [2019-09-08 23:17:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_add_commit_list [2019-09-08 23:17:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2019-09-08 23:17:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_cinfo [2019-09-08 23:17:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_remove_bad_delegation [2019-09-08 23:17:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_register_layoutdriver [2019-09-08 23:17:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_unregister_layoutdriver [2019-09-08 23:17:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2019-09-08 23:17:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_readpages [2019-09-08 23:17:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_writepages [2019-09-08 23:17:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_test [2019-09-08 23:17:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_destroy_layout [2019-09-08 23:17:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_set_layoutcommit [2019-09-08 23:17:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure _pnfs_return_layout [2019-09-08 23:17:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2019-09-08 23:17:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_read_done_resend_to_mds [2019-09-08 23:17:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_write_done_resend_to_mds [2019-09-08 23:17:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_get_deviceid [2019-09-08 23:17:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2019-09-08 23:17:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_test_deviceid_unavailable [2019-09-08 23:17:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2019-09-08 23:17:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_enabled_sb [2019-09-08 23:17:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_return_layout [2019-09-08 23:17:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2019-09-08 23:17:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2019-09-08 23:17:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2019-09-08 23:17:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2019-09-08 23:17:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_invalid [2019-09-08 23:17:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2019-09-08 23:17:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2019-09-08 23:17:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2019-09-08 23:17:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2019-09-08 23:17:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2019-09-08 23:17:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2019-09-08 23:17:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2019-09-08 23:17:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_device_info [2019-09-08 23:17:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure trace_nfs4_pnfs_read [2019-09-08 23:17:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-09-08 23:17:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure trace_nfs4_pnfs_write [2019-09-08 23:17:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure trace_nfs4_pnfs_commit_ds [2019-09-08 23:17:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dense_offset [2019-09-08 23:17:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2019-09-08 23:17:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2019-09-08 23:17:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2019-09-08 23:17:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2019-09-08 23:17:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_async_handle_error [2019-09-08 23:17:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_done_cb [2019-09-08 23:17:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_set_layoutcommit [2019-09-08 23:17:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2019-09-08 23:17:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2019-09-08 23:17:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2019-09-08 23:17:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-08 23:17:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2019-09-08 23:17:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2019-09-08 23:17:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 23:17:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_done_cb [2019-09-08 23:17:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2019-09-08 23:17:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 23:17:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_done_cb [2019-09-08 23:17:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2019-09-08 23:17:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2019-09-08 23:17:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2019-09-08 23:17:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2019-09-08 23:17:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2019-09-08 23:17:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2019-09-08 23:17:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2019-09-08 23:17:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2019-09-08 23:17:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2019-09-08 23:17:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2019-09-08 23:17:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_check_layout [2019-09-08 23:17:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2019-09-08 23:17:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2019-09-08 23:17:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_decode_layout [2019-09-08 23:17:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2019-09-08 23:17:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_commit_info [2019-09-08 23:17:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2019-09-08 23:17:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2019-09-08 23:17:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2019-09-08 23:17:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2019-09-08 23:17:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure select_bucket_index [2019-09-08 23:17:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2019-09-08 23:17:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_choose_commit_list [2019-09-08 23:17:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2019-09-08 23:17:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure calc_ds_index_from_commit [2019-09-08 23:17:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure select_ds_fh_from_commit [2019-09-08 23:17:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_initiate_commit [2019-09-08 23:17:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2019-09-08 23:17:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_ds_commit_list [2019-09-08 23:17:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2019-09-08 23:17:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2019-09-08 23:17:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_ds_commits [2019-09-08 23:17:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2019-09-08 23:17:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2019-09-08 23:17:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2019-09-08 23:17:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2019-09-08 23:17:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2019-09-08 23:17:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4filelayout_init [2019-09-08 23:17:07,730 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4filelayout_exit [2019-09-08 23:17:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2019-09-08 23:17:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_nfs4filelayout_init_5_11 [2019-09-08 23:17:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-09-08 23:17:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_1_5_4 [2019-09-08 23:17:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_2_5_5 [2019-09-08 23:17:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_1_5_6 [2019-09-08 23:17:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_2_5_7 [2019-09-08 23:17:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_12 [2019-09-08 23:17:07,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_15 [2019-09-08 23:17:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-09-08 23:17:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_9 [2019-09-08 23:17:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-09-08 23:17:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-09-08 23:17:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-09-08 23:17:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-09-08 23:17:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_12 [2019-09-08 23:17:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_15 [2019-09-08 23:17:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-09-08 23:17:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_9 [2019-09-08 23:17:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_12 [2019-09-08 23:17:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_13 [2019-09-08 23:17:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_16 [2019-09-08 23:17:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_17 [2019-09-08 23:17:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_18 [2019-09-08 23:17:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_19 [2019-09-08 23:17:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_20 [2019-09-08 23:17:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_21 [2019-09-08 23:17:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_22 [2019-09-08 23:17:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_23 [2019-09-08 23:17:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_26 [2019-09-08 23:17:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_27 [2019-09-08 23:17:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_28 [2019-09-08 23:17:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-09-08 23:17:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_31 [2019-09-08 23:17:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_9 [2019-09-08 23:17:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_12 [2019-09-08 23:17:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_13 [2019-09-08 23:17:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_16 [2019-09-08 23:17:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_17 [2019-09-08 23:17:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_18 [2019-09-08 23:17:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_19 [2019-09-08 23:17:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_20 [2019-09-08 23:17:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_21 [2019-09-08 23:17:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_22 [2019-09-08 23:17:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_23 [2019-09-08 23:17:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_26 [2019-09-08 23:17:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_27 [2019-09-08 23:17:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_28 [2019-09-08 23:17:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-09-08 23:17:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_31 [2019-09-08 23:17:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_9 [2019-09-08 23:17:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_5 [2019-09-08 23:17:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 23:17:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-09-08 23:17:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_0 [2019-09-08 23:17:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_1 [2019-09-08 23:17:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_2 [2019-09-08 23:17:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_3 [2019-09-08 23:17:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_4 [2019-09-08 23:17:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-09-08 23:17:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-09-08 23:17:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-09-08 23:17:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_5 [2019-09-08 23:17:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-09-08 23:17:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2019-09-08 23:17:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_1 [2019-09-08 23:17:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_5 [2019-09-08 23:17:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-09-08 23:17:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_5 [2019-09-08 23:17:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-09-08 23:17:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_5 [2019-09-08 23:17:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 23:17:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 23:17:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2019-09-08 23:17:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2019-09-08 23:17:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-08 23:17:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-08 23:17:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-08 23:17:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-08 23:17:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-08 23:17:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-09-08 23:17:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-09-08 23:17:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-09-08 23:17:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-08 23:17:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-08 23:17:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_atomic_dec_and_lock [2019-09-08 23:17:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_atomic_dec_and_lock_79 [2019-09-08 23:17:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_nfs4_ds_cache_lock [2019-09-08 23:17:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_nfs4_ds_cache_lock [2019-09-08 23:17:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_nfs4_ds_cache_lock [2019-09-08 23:17:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81___0 [2019-09-08 23:17:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80___0 [2019-09-08 23:17:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_bit [2019-09-08 23:17:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure out_of_line_wait_on_bit [2019-09-08 23:17:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure wait_on_bit [2019-09-08 23:17:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure __ipv6_addr_type [2019-09-08 23:17:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure __ipv6_addr_src_scope [2019-09-08 23:17:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_addr_src_scope [2019-09-08 23:17:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_addr_equal [2019-09-08 23:17:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pton [2019-09-08 23:17:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_ds_client [2019-09-08 23:17:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_wait_bit_killable [2019-09-08 23:17:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_page_array_len [2019-09-08 23:17:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_init_ds_session [2019-09-08 23:17:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_proc_getdeviceinfo [2019-09-08 23:17:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_init_deviceid_node [2019-09-08 23:17:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_insert_deviceid_node [2019-09-08 23:17:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_put_deviceid_node [2019-09-08 23:17:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_devid_invalid [2019-09-08 23:17:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure print_ds [2019-09-08 23:17:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure same_sockaddr [2019-09-08 23:17:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure _same_data_server_addrs_locked [2019-09-08 23:17:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure _data_server_lookup_locked [2019-09-08 23:17:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_ds_connect [2019-09-08 23:17:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_ds [2019-09-08 23:17:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_pnfs_remotestr [2019-09-08 23:17:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_pnfs_ds_add [2019-09-08 23:17:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure decode_ds_addr [2019-09-08 23:17:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure decode_device [2019-09-08 23:17:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure decode_and_add_device [2019-09-08 23:17:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_wait_ds_connect [2019-09-08 23:17:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_clear_ds_conn_bit [2019-09-08 23:17:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-09-08 23:17:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-09-08 23:17:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-09-08 23:17:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 23:17:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-09-08 23:17:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 23:17:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-09-08 23:17:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-09-08 23:17:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-09-08 23:17:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-08 23:17:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-09-08 23:17:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-09-08 23:17:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-08 23:17:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-09-08 23:17:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-09-08 23:17:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-09-08 23:17:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-09-08 23:17:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-09-08 23:17:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 23:17:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 23:17:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 23:17:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 23:17:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 23:17:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 23:17:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 23:17:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 23:17:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 23:17:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-08 23:17:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-09-08 23:17:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 23:17:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 23:17:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 23:17:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-09-08 23:17:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-09-08 23:17:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-09-08 23:17:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-09-08 23:17:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-09-08 23:17:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-09-08 23:17:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-09-08 23:17:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-09-08 23:17:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-09-08 23:17:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-09-08 23:17:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-09-08 23:17:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-09-08 23:17:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-09-08 23:17:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-09-08 23:17:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-09-08 23:17:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-09-08 23:17:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-09-08 23:17:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-09-08 23:17:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-09-08 23:17:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-09-08 23:17:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-09-08 23:17:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-09-08 23:17:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-09-08 23:17:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-09-08 23:17:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-09-08 23:17:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-09-08 23:17:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-09-08 23:17:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-09-08 23:17:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-09-08 23:17:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-09-08 23:17:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-09-08 23:17:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-09-08 23:17:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cl_lock_of_nfs_client [2019-09-08 23:17:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_cl_lock_of_nfs_client [2019-09-08 23:17:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_cl_lock_of_nfs_client [2019-09-08 23:17:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_cl_lock_of_nfs_client [2019-09-08 23:17:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_cl_lock_of_nfs_client [2019-09-08 23:17:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_cl_lock_of_nfs_client [2019-09-08 23:17:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_cl_lock_of_nfs_client [2019-09-08 23:17:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_cl_lock_of_nfs_client [2019-09-08 23:17:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-09-08 23:17:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-09-08 23:17:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-09-08 23:17:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-09-08 23:17:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-09-08 23:17:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-09-08 23:17:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-09-08 23:17:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-09-08 23:17:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-09-08 23:17:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-09-08 23:17:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-09-08 23:17:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-09-08 23:17:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-09-08 23:17:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-09-08 23:17:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-09-08 23:17:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-09-08 23:17:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_nfs_commit_info [2019-09-08 23:17:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_nfs_commit_info [2019-09-08 23:17:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_nfs_commit_info [2019-09-08 23:17:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_nfs_commit_info [2019-09-08 23:17:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_nfs_commit_info [2019-09-08 23:17:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_nfs_commit_info [2019-09-08 23:17:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_res_counter [2019-09-08 23:17:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_res_counter [2019-09-08 23:17:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_res_counter [2019-09-08 23:17:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_res_counter [2019-09-08 23:17:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_res_counter [2019-09-08 23:17:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_res_counter [2019-09-08 23:17:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_res_counter [2019-09-08 23:17:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2019-09-08 23:17:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-09-08 23:17:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-09-08 23:17:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-09-08 23:17:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-09-08 23:17:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-09-08 23:17:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-09-08 23:17:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-09-08 23:17:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-09-08 23:17:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_nfs4_ds_cache_lock [2019-09-08 23:17:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_nfs4_ds_cache_lock [2019-09-08 23:17:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_nfs4_ds_cache_lock [2019-09-08 23:17:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_nfs4_ds_cache_lock [2019-09-08 23:17:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_nfs4_ds_cache_lock [2019-09-08 23:17:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-09-08 23:17:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-09-08 23:17:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-09-08 23:17:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-09-08 23:17:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-09-08 23:17:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-09-08 23:17:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-09-08 23:17:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-09-08 23:17:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-09-08 23:17:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-09-08 23:17:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-09-08 23:17:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-09-08 23:17:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-09-08 23:17:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-09-08 23:17:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-09-08 23:17:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-09-08 23:17:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-09-08 23:17:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-09-08 23:17:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-09-08 23:17:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-09-08 23:17:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-09-08 23:17:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-09-08 23:17:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-09-08 23:17:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-09-08 23:17:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_sk_dst_lock_of_sock [2019-09-08 23:17:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2019-09-08 23:17:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2019-09-08 23:17:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2019-09-08 23:17:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2019-09-08 23:17:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2019-09-08 23:17:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2019-09-08 23:17:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2019-09-08 23:17:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2019-09-08 23:17:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-09-08 23:17:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-09-08 23:17:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-09-08 23:17:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-09-08 23:17:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-09-08 23:17:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-09-08 23:17:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-09-08 23:17:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-09-08 23:17:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-09-08 23:17:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 23:17:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 23:17:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 23:17:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 23:17:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 23:17:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 23:17:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 23:17:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 23:17:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 23:17:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 23:17:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 23:17:12,026 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-09-08 23:17:12,683 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 23:17:18,975 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 23:17:18,976 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-08 23:17:18,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:17:18 BoogieIcfgContainer [2019-09-08 23:17:18,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 23:17:18,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 23:17:18,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 23:17:18,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 23:17:18,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 11:17:00" (1/3) ... [2019-09-08 23:17:18,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abe80de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:17:18, skipping insertion in model container [2019-09-08 23:17:18,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:17:06" (2/3) ... [2019-09-08 23:17:18,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abe80de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:17:18, skipping insertion in model container [2019-09-08 23:17:18,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:17:18" (3/3) ... [2019-09-08 23:17:18,986 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2019-09-08 23:17:18,995 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 23:17:19,016 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-09-08 23:17:19,033 INFO L252 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-09-08 23:17:19,080 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 23:17:19,081 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 23:17:19,081 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 23:17:19,081 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 23:17:19,081 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 23:17:19,081 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 23:17:19,081 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 23:17:19,081 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 23:17:19,082 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 23:17:19,157 INFO L276 IsEmpty]: Start isEmpty. Operand 3626 states. [2019-09-08 23:17:19,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-09-08 23:17:19,177 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:17:19,179 INFO L399 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] [2019-09-08 23:17:19,181 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]=== [2019-09-08 23:17:19,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:17:19,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1150979818, now seen corresponding path program 1 times [2019-09-08 23:17:19,189 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:17:19,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:17:19,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:17:19,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:17:19,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:17:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:17:20,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-09-08 23:17:20,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:17:20,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:17:20,582 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:17:20,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:17:20,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:17:20,669 INFO L87 Difference]: Start difference. First operand 3626 states. Second operand 3 states. [2019-09-08 23:17:23,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:17:23,547 INFO L93 Difference]: Finished difference Result 7882 states and 10633 transitions. [2019-09-08 23:17:23,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:17:23,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 350 [2019-09-08 23:17:23,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:17:23,628 INFO L225 Difference]: With dead ends: 7882 [2019-09-08 23:17:23,628 INFO L226 Difference]: Without dead ends: 5219 [2019-09-08 23:17:23,653 INFO L628 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 [2019-09-08 23:17:23,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5219 states. [2019-09-08 23:17:24,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5219 to 5213. [2019-09-08 23:17:24,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5213 states. [2019-09-08 23:17:24,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5213 states to 5213 states and 6849 transitions. [2019-09-08 23:17:24,090 INFO L78 Accepts]: Start accepts. Automaton has 5213 states and 6849 transitions. Word has length 350 [2019-09-08 23:17:24,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:17:24,092 INFO L475 AbstractCegarLoop]: Abstraction has 5213 states and 6849 transitions. [2019-09-08 23:17:24,092 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:17:24,092 INFO L276 IsEmpty]: Start isEmpty. Operand 5213 states and 6849 transitions. [2019-09-08 23:17:24,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2019-09-08 23:17:24,099 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:17:24,100 INFO L399 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] [2019-09-08 23:17:24,100 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]=== [2019-09-08 23:17:24,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:17:24,101 INFO L82 PathProgramCache]: Analyzing trace with hash 43710039, now seen corresponding path program 1 times [2019-09-08 23:17:24,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:17:24,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:17:24,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:17:24,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:17:24,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:17:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:17:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-09-08 23:17:24,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:17:24,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:17:24,523 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:17:24,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:17:24,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:17:24,524 INFO L87 Difference]: Start difference. First operand 5213 states and 6849 transitions. Second operand 3 states. [2019-09-08 23:17:27,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:17:27,336 INFO L93 Difference]: Finished difference Result 12871 states and 16889 transitions. [2019-09-08 23:17:27,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:17:27,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2019-09-08 23:17:27,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:17:27,393 INFO L225 Difference]: With dead ends: 12871 [2019-09-08 23:17:27,393 INFO L226 Difference]: Without dead ends: 7747 [2019-09-08 23:17:27,418 INFO L628 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 [2019-09-08 23:17:27,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7747 states. [2019-09-08 23:17:27,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7747 to 7680. [2019-09-08 23:17:27,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7680 states. [2019-09-08 23:17:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7680 states to 7680 states and 10067 transitions. [2019-09-08 23:17:27,865 INFO L78 Accepts]: Start accepts. Automaton has 7680 states and 10067 transitions. Word has length 353 [2019-09-08 23:17:27,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:17:27,866 INFO L475 AbstractCegarLoop]: Abstraction has 7680 states and 10067 transitions. [2019-09-08 23:17:27,866 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:17:27,867 INFO L276 IsEmpty]: Start isEmpty. Operand 7680 states and 10067 transitions. [2019-09-08 23:17:27,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-09-08 23:17:27,874 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:17:27,875 INFO L399 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] [2019-09-08 23:17:27,875 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]=== [2019-09-08 23:17:27,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:17:27,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1116966345, now seen corresponding path program 1 times [2019-09-08 23:17:27,876 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:17:27,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:17:27,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:17:27,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:17:27,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:17:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:17:28,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-09-08 23:17:28,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:17:28,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:17:28,259 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:17:28,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:17:28,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:17:28,260 INFO L87 Difference]: Start difference. First operand 7680 states and 10067 transitions. Second operand 3 states. [2019-09-08 23:17:31,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:17:31,158 INFO L93 Difference]: Finished difference Result 19985 states and 26221 transitions. [2019-09-08 23:17:31,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:17:31,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 354 [2019-09-08 23:17:31,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:17:31,236 INFO L225 Difference]: With dead ends: 19985 [2019-09-08 23:17:31,237 INFO L226 Difference]: Without dead ends: 12394 [2019-09-08 23:17:31,270 INFO L628 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 [2019-09-08 23:17:31,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12394 states. [2019-09-08 23:17:31,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12394 to 12337. [2019-09-08 23:17:31,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12337 states. [2019-09-08 23:17:31,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12337 states to 12337 states and 16181 transitions. [2019-09-08 23:17:31,841 INFO L78 Accepts]: Start accepts. Automaton has 12337 states and 16181 transitions. Word has length 354 [2019-09-08 23:17:31,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:17:31,842 INFO L475 AbstractCegarLoop]: Abstraction has 12337 states and 16181 transitions. [2019-09-08 23:17:31,842 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:17:31,842 INFO L276 IsEmpty]: Start isEmpty. Operand 12337 states and 16181 transitions. [2019-09-08 23:17:31,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2019-09-08 23:17:31,850 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:17:31,850 INFO L399 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] [2019-09-08 23:17:31,851 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]=== [2019-09-08 23:17:31,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:17:31,851 INFO L82 PathProgramCache]: Analyzing trace with hash -296161584, now seen corresponding path program 1 times [2019-09-08 23:17:31,852 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:17:31,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:17:31,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:17:31,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:17:31,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:17:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:17:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-09-08 23:17:32,499 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:17:32,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:17:32,500 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:17:32,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:17:32,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:17:32,501 INFO L87 Difference]: Start difference. First operand 12337 states and 16181 transitions. Second operand 3 states. [2019-09-08 23:17:35,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:17:35,544 INFO L93 Difference]: Finished difference Result 30174 states and 39480 transitions. [2019-09-08 23:17:35,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:17:35,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 355 [2019-09-08 23:17:35,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:17:35,641 INFO L225 Difference]: With dead ends: 30174 [2019-09-08 23:17:35,641 INFO L226 Difference]: Without dead ends: 17926 [2019-09-08 23:17:35,693 INFO L628 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 [2019-09-08 23:17:35,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17926 states. [2019-09-08 23:17:37,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17926 to 17853. [2019-09-08 23:17:37,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17853 states. [2019-09-08 23:17:37,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17853 states to 17853 states and 23298 transitions. [2019-09-08 23:17:37,567 INFO L78 Accepts]: Start accepts. Automaton has 17853 states and 23298 transitions. Word has length 355 [2019-09-08 23:17:37,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:17:37,571 INFO L475 AbstractCegarLoop]: Abstraction has 17853 states and 23298 transitions. [2019-09-08 23:17:37,571 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:17:37,571 INFO L276 IsEmpty]: Start isEmpty. Operand 17853 states and 23298 transitions. [2019-09-08 23:17:37,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-09-08 23:17:37,578 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:17:37,578 INFO L399 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] [2019-09-08 23:17:37,579 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]=== [2019-09-08 23:17:37,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:17:37,579 INFO L82 PathProgramCache]: Analyzing trace with hash -543326365, now seen corresponding path program 1 times [2019-09-08 23:17:37,579 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:17:37,579 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:17:37,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:17:37,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:17:37,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:17:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:17:37,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-09-08 23:17:37,953 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:17:37,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:17:37,954 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:17:37,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:17:37,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:17:37,955 INFO L87 Difference]: Start difference. First operand 17853 states and 23298 transitions. Second operand 3 states. [2019-09-08 23:17:41,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:17:41,122 INFO L93 Difference]: Finished difference Result 51932 states and 67792 transitions. [2019-09-08 23:17:41,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:17:41,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 359 [2019-09-08 23:17:41,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:17:41,296 INFO L225 Difference]: With dead ends: 51932 [2019-09-08 23:17:41,297 INFO L226 Difference]: Without dead ends: 34168 [2019-09-08 23:17:41,355 INFO L628 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 [2019-09-08 23:17:41,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34168 states. [2019-09-08 23:17:42,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34168 to 34067. [2019-09-08 23:17:42,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34067 states. [2019-09-08 23:17:43,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34067 states to 34067 states and 44433 transitions. [2019-09-08 23:17:43,035 INFO L78 Accepts]: Start accepts. Automaton has 34067 states and 44433 transitions. Word has length 359 [2019-09-08 23:17:43,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:17:43,036 INFO L475 AbstractCegarLoop]: Abstraction has 34067 states and 44433 transitions. [2019-09-08 23:17:43,036 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:17:43,037 INFO L276 IsEmpty]: Start isEmpty. Operand 34067 states and 44433 transitions. [2019-09-08 23:17:43,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2019-09-08 23:17:43,042 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:17:43,043 INFO L399 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] [2019-09-08 23:17:43,043 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]=== [2019-09-08 23:17:43,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:17:43,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1286299803, now seen corresponding path program 1 times [2019-09-08 23:17:43,043 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:17:43,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:17:43,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:17:43,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:17:43,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:17:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:17:43,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-09-08 23:17:43,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:17:43,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:17:43,408 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:17:43,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:17:43,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:17:43,409 INFO L87 Difference]: Start difference. First operand 34067 states and 44433 transitions. Second operand 3 states. [2019-09-08 23:17:47,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:17:47,258 INFO L93 Difference]: Finished difference Result 97934 states and 127794 transitions. [2019-09-08 23:17:47,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:17:47,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 365 [2019-09-08 23:17:47,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:17:47,553 INFO L225 Difference]: With dead ends: 97934 [2019-09-08 23:17:47,553 INFO L226 Difference]: Without dead ends: 63956 [2019-09-08 23:17:47,652 INFO L628 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 [2019-09-08 23:17:47,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63956 states. [2019-09-08 23:17:51,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63956 to 63887. [2019-09-08 23:17:51,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63887 states. [2019-09-08 23:17:51,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63887 states to 63887 states and 83284 transitions. [2019-09-08 23:17:51,441 INFO L78 Accepts]: Start accepts. Automaton has 63887 states and 83284 transitions. Word has length 365 [2019-09-08 23:17:51,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:17:51,441 INFO L475 AbstractCegarLoop]: Abstraction has 63887 states and 83284 transitions. [2019-09-08 23:17:51,442 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:17:51,442 INFO L276 IsEmpty]: Start isEmpty. Operand 63887 states and 83284 transitions. [2019-09-08 23:17:51,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2019-09-08 23:17:51,449 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:17:51,449 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:17:51,449 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]=== [2019-09-08 23:17:51,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:17:51,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1447591962, now seen corresponding path program 1 times [2019-09-08 23:17:51,450 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:17:51,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:17:51,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:17:51,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:17:51,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:17:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:17:52,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3942 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3936 trivial. 0 not checked. [2019-09-08 23:17:52,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:17:52,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:17:52,188 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:17:52,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:17:52,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:17:52,190 INFO L87 Difference]: Start difference. First operand 63887 states and 83284 transitions. Second operand 3 states. [2019-09-08 23:17:58,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:17:58,418 INFO L93 Difference]: Finished difference Result 189460 states and 247266 transitions. [2019-09-08 23:17:58,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:17:58,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 405 [2019-09-08 23:17:58,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:17:58,949 INFO L225 Difference]: With dead ends: 189460 [2019-09-08 23:17:58,949 INFO L226 Difference]: Without dead ends: 125726 [2019-09-08 23:17:59,113 INFO L628 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 [2019-09-08 23:17:59,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125726 states. [2019-09-08 23:18:02,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125726 to 125720. [2019-09-08 23:18:02,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125720 states. [2019-09-08 23:18:02,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125720 states to 125720 states and 163813 transitions. [2019-09-08 23:18:02,395 INFO L78 Accepts]: Start accepts. Automaton has 125720 states and 163813 transitions. Word has length 405 [2019-09-08 23:18:02,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:18:02,396 INFO L475 AbstractCegarLoop]: Abstraction has 125720 states and 163813 transitions. [2019-09-08 23:18:02,396 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:18:02,396 INFO L276 IsEmpty]: Start isEmpty. Operand 125720 states and 163813 transitions. [2019-09-08 23:18:02,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2019-09-08 23:18:02,403 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:18:02,404 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:18:02,404 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]=== [2019-09-08 23:18:02,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:18:02,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1461171940, now seen corresponding path program 1 times [2019-09-08 23:18:02,405 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:18:02,405 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:18:02,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:18:02,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:18:02,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:18:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:18:02,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3942 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3936 trivial. 0 not checked. [2019-09-08 23:18:02,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:18:02,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:18:02,741 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:18:02,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:18:02,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:18:02,742 INFO L87 Difference]: Start difference. First operand 125720 states and 163813 transitions. Second operand 3 states. [2019-09-08 23:18:10,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:18:10,505 INFO L93 Difference]: Finished difference Result 313181 states and 408424 transitions. [2019-09-08 23:18:10,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:18:10,505 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 405 [2019-09-08 23:18:10,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:18:11,348 INFO L225 Difference]: With dead ends: 313181 [2019-09-08 23:18:11,348 INFO L226 Difference]: Without dead ends: 187614 [2019-09-08 23:18:12,119 INFO L628 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 [2019-09-08 23:18:12,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187614 states. [2019-09-08 23:18:19,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187614 to 187585. [2019-09-08 23:18:19,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187585 states. [2019-09-08 23:18:20,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187585 states to 187585 states and 244341 transitions. [2019-09-08 23:18:20,242 INFO L78 Accepts]: Start accepts. Automaton has 187585 states and 244341 transitions. Word has length 405 [2019-09-08 23:18:20,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:18:20,243 INFO L475 AbstractCegarLoop]: Abstraction has 187585 states and 244341 transitions. [2019-09-08 23:18:20,243 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:18:20,244 INFO L276 IsEmpty]: Start isEmpty. Operand 187585 states and 244341 transitions. [2019-09-08 23:18:20,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2019-09-08 23:18:20,247 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:18:20,248 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 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] [2019-09-08 23:18:20,248 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]=== [2019-09-08 23:18:20,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:18:20,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1820920541, now seen corresponding path program 1 times [2019-09-08 23:18:20,248 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:18:20,249 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:18:20,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:18:20,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:18:20,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:18:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:18:20,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3953 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3944 trivial. 0 not checked. [2019-09-08 23:18:20,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:18:20,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:18:20,657 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:18:20,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:18:20,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:18:20,657 INFO L87 Difference]: Start difference. First operand 187585 states and 244341 transitions. Second operand 5 states. [2019-09-08 23:18:26,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:18:26,922 INFO L93 Difference]: Finished difference Result 187591 states and 244346 transitions. [2019-09-08 23:18:26,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:18:26,923 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 405 [2019-09-08 23:18:26,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:18:27,586 INFO L225 Difference]: With dead ends: 187591 [2019-09-08 23:18:27,586 INFO L226 Difference]: Without dead ends: 187589 [2019-09-08 23:18:27,642 INFO L628 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 [2019-09-08 23:18:27,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187589 states. [2019-09-08 23:18:31,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187589 to 187589. [2019-09-08 23:18:31,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187589 states. [2019-09-08 23:18:32,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187589 states to 187589 states and 244344 transitions. [2019-09-08 23:18:32,339 INFO L78 Accepts]: Start accepts. Automaton has 187589 states and 244344 transitions. Word has length 405 [2019-09-08 23:18:32,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:18:32,340 INFO L475 AbstractCegarLoop]: Abstraction has 187589 states and 244344 transitions. [2019-09-08 23:18:32,340 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:18:32,340 INFO L276 IsEmpty]: Start isEmpty. Operand 187589 states and 244344 transitions. [2019-09-08 23:18:32,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2019-09-08 23:18:32,343 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:18:32,344 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 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] [2019-09-08 23:18:32,344 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]=== [2019-09-08 23:18:32,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:18:32,344 INFO L82 PathProgramCache]: Analyzing trace with hash 762718411, now seen corresponding path program 1 times [2019-09-08 23:18:32,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:18:32,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:18:32,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:18:32,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:18:32,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:18:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:18:32,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3955 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3944 trivial. 0 not checked. [2019-09-08 23:18:32,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:18:32,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:18:32,697 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:18:32,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:18:32,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:18:32,698 INFO L87 Difference]: Start difference. First operand 187589 states and 244344 transitions. Second operand 5 states. [2019-09-08 23:18:36,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:18:36,050 INFO L93 Difference]: Finished difference Result 187595 states and 244349 transitions. [2019-09-08 23:18:36,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:18:36,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 410 [2019-09-08 23:18:36,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:18:36,590 INFO L225 Difference]: With dead ends: 187595 [2019-09-08 23:18:36,590 INFO L226 Difference]: Without dead ends: 187593 [2019-09-08 23:18:36,654 INFO L628 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 [2019-09-08 23:18:36,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187593 states. [2019-09-08 23:18:45,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187593 to 187593. [2019-09-08 23:18:45,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187593 states. [2019-09-08 23:18:45,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187593 states to 187593 states and 244347 transitions. [2019-09-08 23:18:45,670 INFO L78 Accepts]: Start accepts. Automaton has 187593 states and 244347 transitions. Word has length 410 [2019-09-08 23:18:45,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:18:45,671 INFO L475 AbstractCegarLoop]: Abstraction has 187593 states and 244347 transitions. [2019-09-08 23:18:45,671 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:18:45,671 INFO L276 IsEmpty]: Start isEmpty. Operand 187593 states and 244347 transitions. [2019-09-08 23:18:45,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2019-09-08 23:18:45,674 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:18:45,674 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:18:45,674 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]=== [2019-09-08 23:18:45,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:18:45,675 INFO L82 PathProgramCache]: Analyzing trace with hash 550114787, now seen corresponding path program 1 times [2019-09-08 23:18:45,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:18:45,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:18:45,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:18:45,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:18:45,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:18:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:18:46,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3961 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3948 trivial. 0 not checked. [2019-09-08 23:18:46,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:18:46,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:18:46,930 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:18:46,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:18:46,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:18:46,932 INFO L87 Difference]: Start difference. First operand 187593 states and 244347 transitions. Second operand 5 states. [2019-09-08 23:18:50,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:18:50,290 INFO L93 Difference]: Finished difference Result 187599 states and 244352 transitions. [2019-09-08 23:18:50,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:18:50,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 415 [2019-09-08 23:18:50,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:18:50,861 INFO L225 Difference]: With dead ends: 187599 [2019-09-08 23:18:50,861 INFO L226 Difference]: Without dead ends: 187597 [2019-09-08 23:18:50,926 INFO L628 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 [2019-09-08 23:18:51,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187597 states. [2019-09-08 23:19:00,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187597 to 187597. [2019-09-08 23:19:00,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187597 states. [2019-09-08 23:19:00,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187597 states to 187597 states and 244350 transitions. [2019-09-08 23:19:00,618 INFO L78 Accepts]: Start accepts. Automaton has 187597 states and 244350 transitions. Word has length 415 [2019-09-08 23:19:00,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:19:00,619 INFO L475 AbstractCegarLoop]: Abstraction has 187597 states and 244350 transitions. [2019-09-08 23:19:00,619 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:19:00,619 INFO L276 IsEmpty]: Start isEmpty. Operand 187597 states and 244350 transitions. [2019-09-08 23:19:00,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2019-09-08 23:19:00,621 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:19:00,622 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 4, 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] [2019-09-08 23:19:00,622 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]=== [2019-09-08 23:19:00,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:19:00,622 INFO L82 PathProgramCache]: Analyzing trace with hash -554455157, now seen corresponding path program 1 times [2019-09-08 23:19:00,622 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:19:00,622 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:19:00,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:19:00,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:19:00,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:19:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:19:01,009 INFO L134 CoverageAnalysis]: Checked inductivity of 3971 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3956 trivial. 0 not checked. [2019-09-08 23:19:01,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:19:01,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:19:01,010 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:19:01,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:19:01,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:19:01,020 INFO L87 Difference]: Start difference. First operand 187597 states and 244350 transitions. Second operand 5 states. [2019-09-08 23:19:05,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:19:05,374 INFO L93 Difference]: Finished difference Result 187603 states and 244355 transitions. [2019-09-08 23:19:05,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:19:05,375 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 420 [2019-09-08 23:19:05,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:19:05,905 INFO L225 Difference]: With dead ends: 187603 [2019-09-08 23:19:05,905 INFO L226 Difference]: Without dead ends: 187601 [2019-09-08 23:19:05,961 INFO L628 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 [2019-09-08 23:19:06,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187601 states. [2019-09-08 23:19:15,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187601 to 187601. [2019-09-08 23:19:15,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187601 states. [2019-09-08 23:19:15,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187601 states to 187601 states and 244353 transitions. [2019-09-08 23:19:15,625 INFO L78 Accepts]: Start accepts. Automaton has 187601 states and 244353 transitions. Word has length 420 [2019-09-08 23:19:15,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:19:15,626 INFO L475 AbstractCegarLoop]: Abstraction has 187601 states and 244353 transitions. [2019-09-08 23:19:15,626 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:19:15,626 INFO L276 IsEmpty]: Start isEmpty. Operand 187601 states and 244353 transitions. [2019-09-08 23:19:15,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-09-08 23:19:15,629 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:19:15,629 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 5, 4, 4, 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] [2019-09-08 23:19:15,630 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]=== [2019-09-08 23:19:15,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:19:15,630 INFO L82 PathProgramCache]: Analyzing trace with hash -961743197, now seen corresponding path program 1 times [2019-09-08 23:19:15,630 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:19:15,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:19:15,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:19:15,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:19:15,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:19:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:19:16,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3985 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3968 trivial. 0 not checked. [2019-09-08 23:19:16,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:19:16,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:19:16,693 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:19:16,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:19:16,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:19:16,694 INFO L87 Difference]: Start difference. First operand 187601 states and 244353 transitions. Second operand 5 states. [2019-09-08 23:19:24,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:19:24,124 INFO L93 Difference]: Finished difference Result 187607 states and 244358 transitions. [2019-09-08 23:19:24,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:19:24,125 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 425 [2019-09-08 23:19:24,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:19:24,677 INFO L225 Difference]: With dead ends: 187607 [2019-09-08 23:19:24,677 INFO L226 Difference]: Without dead ends: 187605 [2019-09-08 23:19:24,730 INFO L628 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 [2019-09-08 23:19:24,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187605 states. [2019-09-08 23:19:29,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187605 to 187605. [2019-09-08 23:19:29,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187605 states. [2019-09-08 23:19:30,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187605 states to 187605 states and 244356 transitions. [2019-09-08 23:19:30,258 INFO L78 Accepts]: Start accepts. Automaton has 187605 states and 244356 transitions. Word has length 425 [2019-09-08 23:19:30,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:19:30,258 INFO L475 AbstractCegarLoop]: Abstraction has 187605 states and 244356 transitions. [2019-09-08 23:19:30,259 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:19:30,259 INFO L276 IsEmpty]: Start isEmpty. Operand 187605 states and 244356 transitions. [2019-09-08 23:19:30,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-09-08 23:19:30,262 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:19:30,263 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 6, 5, 5, 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] [2019-09-08 23:19:30,263 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]=== [2019-09-08 23:19:30,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:19:30,264 INFO L82 PathProgramCache]: Analyzing trace with hash 465139275, now seen corresponding path program 1 times [2019-09-08 23:19:30,264 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:19:30,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:19:30,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:19:30,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:19:30,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:19:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:19:30,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4003 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3984 trivial. 0 not checked. [2019-09-08 23:19:30,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:19:30,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:19:30,606 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:19:30,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:19:30,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:19:30,607 INFO L87 Difference]: Start difference. First operand 187605 states and 244356 transitions. Second operand 5 states. [2019-09-08 23:19:39,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:19:39,427 INFO L93 Difference]: Finished difference Result 187611 states and 244361 transitions. [2019-09-08 23:19:39,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:19:39,428 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 430 [2019-09-08 23:19:39,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:19:39,897 INFO L225 Difference]: With dead ends: 187611 [2019-09-08 23:19:39,897 INFO L226 Difference]: Without dead ends: 187609 [2019-09-08 23:19:39,949 INFO L628 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 [2019-09-08 23:19:40,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187609 states. [2019-09-08 23:19:44,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187609 to 187609. [2019-09-08 23:19:44,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187609 states. [2019-09-08 23:19:45,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187609 states to 187609 states and 244359 transitions. [2019-09-08 23:19:45,460 INFO L78 Accepts]: Start accepts. Automaton has 187609 states and 244359 transitions. Word has length 430 [2019-09-08 23:19:45,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:19:45,461 INFO L475 AbstractCegarLoop]: Abstraction has 187609 states and 244359 transitions. [2019-09-08 23:19:45,461 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:19:45,461 INFO L276 IsEmpty]: Start isEmpty. Operand 187609 states and 244359 transitions. [2019-09-08 23:19:45,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2019-09-08 23:19:45,463 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:19:45,464 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 7, 6, 6, 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] [2019-09-08 23:19:45,464 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]=== [2019-09-08 23:19:45,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:19:45,464 INFO L82 PathProgramCache]: Analyzing trace with hash -462448797, now seen corresponding path program 1 times [2019-09-08 23:19:45,465 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:19:45,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:19:45,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:19:45,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:19:45,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:19:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:19:45,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4025 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4004 trivial. 0 not checked. [2019-09-08 23:19:45,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:19:45,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:19:45,832 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:19:45,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:19:45,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:19:45,833 INFO L87 Difference]: Start difference. First operand 187609 states and 244359 transitions. Second operand 5 states. [2019-09-08 23:19:54,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:19:54,297 INFO L93 Difference]: Finished difference Result 187615 states and 244364 transitions. [2019-09-08 23:19:54,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:19:54,297 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 435 [2019-09-08 23:19:54,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:19:54,811 INFO L225 Difference]: With dead ends: 187615 [2019-09-08 23:19:54,811 INFO L226 Difference]: Without dead ends: 187613 [2019-09-08 23:19:54,865 INFO L628 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 [2019-09-08 23:19:55,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187613 states. [2019-09-08 23:20:00,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187613 to 187613. [2019-09-08 23:20:00,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187613 states. [2019-09-08 23:20:00,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187613 states to 187613 states and 244362 transitions. [2019-09-08 23:20:01,005 INFO L78 Accepts]: Start accepts. Automaton has 187613 states and 244362 transitions. Word has length 435 [2019-09-08 23:20:01,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:20:01,006 INFO L475 AbstractCegarLoop]: Abstraction has 187613 states and 244362 transitions. [2019-09-08 23:20:01,006 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:20:01,006 INFO L276 IsEmpty]: Start isEmpty. Operand 187613 states and 244362 transitions. [2019-09-08 23:20:01,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2019-09-08 23:20:01,011 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:20:01,011 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 8, 7, 7, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:20:01,012 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]=== [2019-09-08 23:20:01,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:20:01,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1046155360, now seen corresponding path program 1 times [2019-09-08 23:20:01,012 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:20:01,012 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:20:01,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:20:01,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:20:01,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:20:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:20:01,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4085 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 4057 trivial. 0 not checked. [2019-09-08 23:20:01,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:20:01,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:20:01,346 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:20:01,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:20:01,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:20:01,346 INFO L87 Difference]: Start difference. First operand 187613 states and 244362 transitions. Second operand 3 states. [2019-09-08 23:20:18,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:20:18,584 INFO L93 Difference]: Finished difference Result 436810 states and 569230 transitions. [2019-09-08 23:20:18,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:20:18,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 468 [2019-09-08 23:20:18,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:20:19,272 INFO L225 Difference]: With dead ends: 436810 [2019-09-08 23:20:19,273 INFO L226 Difference]: Without dead ends: 249350 [2019-09-08 23:20:19,521 INFO L628 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 [2019-09-08 23:20:19,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249350 states. [2019-09-08 23:20:27,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249350 to 249169. [2019-09-08 23:20:27,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249169 states. [2019-09-08 23:20:27,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249169 states to 249169 states and 324613 transitions. [2019-09-08 23:20:27,801 INFO L78 Accepts]: Start accepts. Automaton has 249169 states and 324613 transitions. Word has length 468 [2019-09-08 23:20:27,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:20:27,802 INFO L475 AbstractCegarLoop]: Abstraction has 249169 states and 324613 transitions. [2019-09-08 23:20:27,802 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:20:27,802 INFO L276 IsEmpty]: Start isEmpty. Operand 249169 states and 324613 transitions. [2019-09-08 23:20:27,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2019-09-08 23:20:27,806 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:20:27,807 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 8, 7, 7, 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] [2019-09-08 23:20:27,807 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]=== [2019-09-08 23:20:27,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:20:27,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1770554101, now seen corresponding path program 1 times [2019-09-08 23:20:27,808 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:20:27,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:20:27,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:20:27,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:20:27,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:20:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:20:28,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4051 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 4028 trivial. 0 not checked. [2019-09-08 23:20:28,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:20:28,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:20:28,140 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:20:28,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:20:28,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:20:28,141 INFO L87 Difference]: Start difference. First operand 249169 states and 324613 transitions. Second operand 5 states. [2019-09-08 23:20:38,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:20:38,115 INFO L93 Difference]: Finished difference Result 260153 states and 335887 transitions. [2019-09-08 23:20:38,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:20:38,115 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 440 [2019-09-08 23:20:38,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:20:38,876 INFO L225 Difference]: With dead ends: 260153 [2019-09-08 23:20:38,876 INFO L226 Difference]: Without dead ends: 260151 [2019-09-08 23:20:38,955 INFO L628 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 [2019-09-08 23:20:39,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260151 states. [2019-09-08 23:20:48,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260151 to 260149. [2019-09-08 23:20:48,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260149 states. [2019-09-08 23:20:49,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260149 states to 260149 states and 335884 transitions. [2019-09-08 23:20:49,391 INFO L78 Accepts]: Start accepts. Automaton has 260149 states and 335884 transitions. Word has length 440 [2019-09-08 23:20:49,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:20:49,391 INFO L475 AbstractCegarLoop]: Abstraction has 260149 states and 335884 transitions. [2019-09-08 23:20:49,392 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:20:49,392 INFO L276 IsEmpty]: Start isEmpty. Operand 260149 states and 335884 transitions. [2019-09-08 23:20:49,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2019-09-08 23:20:49,397 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:20:49,397 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 9, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 23:20:49,397 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]=== [2019-09-08 23:20:49,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:20:49,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1139499369, now seen corresponding path program 1 times [2019-09-08 23:20:49,398 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:20:49,398 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:20:49,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:20:49,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:20:49,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:20:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:20:50,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4117 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 4095 trivial. 0 not checked. [2019-09-08 23:20:50,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:20:50,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:20:50,743 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:20:50,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:20:50,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:20:50,744 INFO L87 Difference]: Start difference. First operand 260149 states and 335884 transitions. Second operand 5 states. [2019-09-08 23:21:00,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:21:00,782 INFO L93 Difference]: Finished difference Result 260155 states and 335889 transitions. [2019-09-08 23:21:00,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:21:00,782 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 474 [2019-09-08 23:21:00,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:21:01,550 INFO L225 Difference]: With dead ends: 260155 [2019-09-08 23:21:01,550 INFO L226 Difference]: Without dead ends: 260153 [2019-09-08 23:21:01,624 INFO L628 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 [2019-09-08 23:21:01,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260153 states. [2019-09-08 23:21:10,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260153 to 260153. [2019-09-08 23:21:10,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260153 states. [2019-09-08 23:21:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260153 states to 260153 states and 335887 transitions. [2019-09-08 23:21:11,188 INFO L78 Accepts]: Start accepts. Automaton has 260153 states and 335887 transitions. Word has length 474 [2019-09-08 23:21:11,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:21:11,188 INFO L475 AbstractCegarLoop]: Abstraction has 260153 states and 335887 transitions. [2019-09-08 23:21:11,188 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:21:11,188 INFO L276 IsEmpty]: Start isEmpty. Operand 260153 states and 335887 transitions. [2019-09-08 23:21:11,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2019-09-08 23:21:11,192 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:21:11,193 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 10, 9, 9, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:21:11,193 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]=== [2019-09-08 23:21:11,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:21:11,193 INFO L82 PathProgramCache]: Analyzing trace with hash -982064354, now seen corresponding path program 1 times [2019-09-08 23:21:11,194 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:21:11,194 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:21:11,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:21:11,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:21:11,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:21:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:21:11,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4149 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 4117 trivial. 0 not checked. [2019-09-08 23:21:11,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:21:11,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:21:11,526 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:21:11,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:21:11,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:21:11,527 INFO L87 Difference]: Start difference. First operand 260153 states and 335887 transitions. Second operand 3 states. [2019-09-08 23:21:27,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:21:27,611 INFO L93 Difference]: Finished difference Result 584704 states and 755295 transitions. [2019-09-08 23:21:27,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:21:27,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 478 [2019-09-08 23:21:27,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:21:28,596 INFO L225 Difference]: With dead ends: 584704 [2019-09-08 23:21:28,596 INFO L226 Difference]: Without dead ends: 324704 [2019-09-08 23:21:28,974 INFO L628 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 [2019-09-08 23:21:29,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324704 states. [2019-09-08 23:21:46,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324704 to 324698. [2019-09-08 23:21:46,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324698 states. [2019-09-08 23:21:47,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324698 states to 324698 states and 419200 transitions. [2019-09-08 23:21:47,808 INFO L78 Accepts]: Start accepts. Automaton has 324698 states and 419200 transitions. Word has length 478 [2019-09-08 23:21:47,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:21:47,808 INFO L475 AbstractCegarLoop]: Abstraction has 324698 states and 419200 transitions. [2019-09-08 23:21:47,808 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:21:47,808 INFO L276 IsEmpty]: Start isEmpty. Operand 324698 states and 419200 transitions. [2019-09-08 23:21:47,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2019-09-08 23:21:47,812 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:21:47,812 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 10, 9, 9, 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, 1, 1, 1, 1] [2019-09-08 23:21:47,813 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]=== [2019-09-08 23:21:47,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:21:47,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1709032395, now seen corresponding path program 1 times [2019-09-08 23:21:47,813 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:21:47,813 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:21:47,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:21:47,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:21:47,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:21:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:21:49,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4115 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4088 trivial. 0 not checked. [2019-09-08 23:21:49,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:21:49,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:21:49,272 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:21:49,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:21:49,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:21:49,273 INFO L87 Difference]: Start difference. First operand 324698 states and 419200 transitions. Second operand 5 states. [2019-09-08 23:22:02,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:22:02,466 INFO L93 Difference]: Finished difference Result 324704 states and 419205 transitions. [2019-09-08 23:22:02,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:22:02,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 450 [2019-09-08 23:22:02,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:22:03,388 INFO L225 Difference]: With dead ends: 324704 [2019-09-08 23:22:03,389 INFO L226 Difference]: Without dead ends: 324702 [2019-09-08 23:22:03,469 INFO L628 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 [2019-09-08 23:22:03,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324702 states. [2019-09-08 23:22:16,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324702 to 324702. [2019-09-08 23:22:16,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324702 states. [2019-09-08 23:22:25,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324702 states to 324702 states and 419203 transitions. [2019-09-08 23:22:25,254 INFO L78 Accepts]: Start accepts. Automaton has 324702 states and 419203 transitions. Word has length 450 [2019-09-08 23:22:25,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:22:25,254 INFO L475 AbstractCegarLoop]: Abstraction has 324702 states and 419203 transitions. [2019-09-08 23:22:25,255 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:22:25,255 INFO L276 IsEmpty]: Start isEmpty. Operand 324702 states and 419203 transitions. [2019-09-08 23:22:25,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2019-09-08 23:22:25,258 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:22:25,258 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 11, 10, 10, 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, 1, 1, 1, 1, 1, 1] [2019-09-08 23:22:25,259 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]=== [2019-09-08 23:22:25,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:22:25,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1865148189, now seen corresponding path program 1 times [2019-09-08 23:22:25,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:22:25,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:22:25,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:22:25,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:22:25,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:22:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:22:25,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4153 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 4124 trivial. 0 not checked. [2019-09-08 23:22:25,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:22:25,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:22:25,564 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:22:25,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:22:25,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:22:25,565 INFO L87 Difference]: Start difference. First operand 324702 states and 419203 transitions. Second operand 5 states. [2019-09-08 23:22:43,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:22:43,842 INFO L93 Difference]: Finished difference Result 630007 states and 821621 transitions. [2019-09-08 23:22:43,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 23:22:43,843 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 455 [2019-09-08 23:22:43,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:22:45,909 INFO L225 Difference]: With dead ends: 630007 [2019-09-08 23:22:45,909 INFO L226 Difference]: Without dead ends: 630005 [2019-09-08 23:22:46,090 INFO L628 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 [2019-09-08 23:22:46,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630005 states. [2019-09-08 23:23:27,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630005 to 629722. [2019-09-08 23:23:27,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629722 states. [2019-09-08 23:23:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629722 states to 629722 states and 821340 transitions. [2019-09-08 23:23:29,555 INFO L78 Accepts]: Start accepts. Automaton has 629722 states and 821340 transitions. Word has length 455 [2019-09-08 23:23:29,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:23:29,555 INFO L475 AbstractCegarLoop]: Abstraction has 629722 states and 821340 transitions. [2019-09-08 23:23:29,555 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:23:29,556 INFO L276 IsEmpty]: Start isEmpty. Operand 629722 states and 821340 transitions. [2019-09-08 23:23:29,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2019-09-08 23:23:29,558 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:23:29,558 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:23:29,559 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]=== [2019-09-08 23:23:29,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:23:29,559 INFO L82 PathProgramCache]: Analyzing trace with hash 77351563, now seen corresponding path program 1 times [2019-09-08 23:23:29,559 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:23:29,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:23:29,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:23:29,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:23:29,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:23:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:23:29,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4195 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4164 trivial. 0 not checked. [2019-09-08 23:23:29,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:23:29,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:23:29,875 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:23:29,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:23:29,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:23:29,876 INFO L87 Difference]: Start difference. First operand 629722 states and 821340 transitions. Second operand 5 states. [2019-09-08 23:23:49,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:23:49,936 INFO L93 Difference]: Finished difference Result 629732 states and 821349 transitions. [2019-09-08 23:23:49,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:23:49,936 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 460 [2019-09-08 23:23:49,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:23:51,849 INFO L225 Difference]: With dead ends: 629732 [2019-09-08 23:23:51,849 INFO L226 Difference]: Without dead ends: 629730 [2019-09-08 23:23:52,873 INFO L628 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 [2019-09-08 23:23:53,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629730 states. [2019-09-08 23:24:29,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629730 to 629730. [2019-09-08 23:24:29,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629730 states. [2019-09-08 23:24:44,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629730 states to 629730 states and 821346 transitions. [2019-09-08 23:24:44,109 INFO L78 Accepts]: Start accepts. Automaton has 629730 states and 821346 transitions. Word has length 460 [2019-09-08 23:24:44,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:24:44,110 INFO L475 AbstractCegarLoop]: Abstraction has 629730 states and 821346 transitions. [2019-09-08 23:24:44,110 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:24:44,110 INFO L276 IsEmpty]: Start isEmpty. Operand 629730 states and 821346 transitions. [2019-09-08 23:24:44,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2019-09-08 23:24:44,114 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:24:44,114 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 13, 12, 12, 5, 5, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 23:24:44,114 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]=== [2019-09-08 23:24:44,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:24:44,115 INFO L82 PathProgramCache]: Analyzing trace with hash -934748649, now seen corresponding path program 1 times [2019-09-08 23:24:44,115 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:24:44,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:24:44,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:24:44,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:24:44,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:24:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:24:44,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4277 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4247 trivial. 0 not checked. [2019-09-08 23:24:44,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:24:44,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:24:44,451 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:24:44,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:24:44,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:24:44,452 INFO L87 Difference]: Start difference. First operand 629730 states and 821346 transitions. Second operand 5 states. [2019-09-08 23:25:06,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:25:06,224 INFO L93 Difference]: Finished difference Result 629740 states and 821355 transitions. [2019-09-08 23:25:06,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:25:06,225 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 494 [2019-09-08 23:25:06,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:25:08,226 INFO L225 Difference]: With dead ends: 629740 [2019-09-08 23:25:08,226 INFO L226 Difference]: Without dead ends: 629738 [2019-09-08 23:25:08,394 INFO L628 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 [2019-09-08 23:25:08,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629738 states.