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 0.1.24-673a906-m [2019-10-02 05:51:33,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 05:51:33,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 05:51:33,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 05:51:33,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 05:51:33,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 05:51:33,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 05:51:33,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 05:51:33,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 05:51:33,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 05:51:33,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 05:51:33,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 05:51:33,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 05:51:33,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 05:51:33,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 05:51:33,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 05:51:33,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 05:51:33,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 05:51:33,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 05:51:33,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 05:51:33,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 05:51:33,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 05:51:33,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 05:51:33,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 05:51:33,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 05:51:33,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 05:51:33,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 05:51:33,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 05:51:33,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 05:51:33,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 05:51:33,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 05:51:33,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 05:51:33,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 05:51:33,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 05:51:33,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 05:51:33,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 05:51:33,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 05:51:33,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 05:51:33,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 05:51:33,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 05:51:33,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 05:51:33,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 05:51:33,243 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 05:51:33,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 05:51:33,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 05:51:33,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 05:51:33,247 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 05:51:33,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 05:51:33,248 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 05:51:33,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 05:51:33,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 05:51:33,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 05:51:33,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 05:51:33,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 05:51:33,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 05:51:33,250 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 05:51:33,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 05:51:33,251 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 05:51:33,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 05:51:33,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 05:51:33,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 05:51:33,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 05:51:33,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 05:51:33,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 05:51:33,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 05:51:33,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 05:51:33,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 05:51:33,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 05:51:33,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 05:51:33,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 05:51:33,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 05:51:33,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 05:51:33,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 05:51:33,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 05:51:33,339 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 05:51:33,339 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 05:51:33,340 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2019-10-02 05:51:33,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d4511be8/6c5a38f58e7e428f9fcae0e215b7b79e/FLAG7366a425c [2019-10-02 05:51:34,410 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 05:51:34,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2019-10-02 05:51:34,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d4511be8/6c5a38f58e7e428f9fcae0e215b7b79e/FLAG7366a425c [2019-10-02 05:51:34,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d4511be8/6c5a38f58e7e428f9fcae0e215b7b79e [2019-10-02 05:51:34,731 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 05:51:34,733 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 05:51:34,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 05:51:34,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 05:51:34,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 05:51:34,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 05:51:34" (1/1) ... [2019-10-02 05:51:34,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5332dd6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:34, skipping insertion in model container [2019-10-02 05:51:34,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 05:51:34" (1/1) ... [2019-10-02 05:51:34,756 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 05:51:35,035 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 05:51:40,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 05:51:40,649 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 05:51:41,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 05:51:42,374 INFO L192 MainTranslator]: Completed translation [2019-10-02 05:51:42,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:42 WrapperNode [2019-10-02 05:51:42,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 05:51:42,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 05:51:42,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 05:51:42,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 05:51:42,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:42" (1/1) ... [2019-10-02 05:51:42,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:42" (1/1) ... [2019-10-02 05:51:42,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:42" (1/1) ... [2019-10-02 05:51:42,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:42" (1/1) ... [2019-10-02 05:51:42,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:42" (1/1) ... [2019-10-02 05:51:42,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:42" (1/1) ... [2019-10-02 05:51:42,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:42" (1/1) ... [2019-10-02 05:51:42,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 05:51:42,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 05:51:42,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 05:51:42,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 05:51:42,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 05:51:42,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 05:51:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 05:51:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-10-02 05:51:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-02 05:51:42,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 05:51:42,900 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-02 05:51:42,900 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-02 05:51:42,901 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-02 05:51:42,901 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-02 05:51:42,901 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-02 05:51:42,901 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2019-10-02 05:51:42,901 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-02 05:51:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-02 05:51:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-02 05:51:42,903 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-02 05:51:42,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-02 05:51:42,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2019-10-02 05:51:42,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2019-10-02 05:51:42,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab64p [2019-10-02 05:51:42,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __be64_to_cpup [2019-10-02 05:51:42,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2019-10-02 05:51:42,906 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-02 05:51:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2019-10-02 05:51:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2019-10-02 05:51:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-02 05:51:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-02 05:51:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2019-10-02 05:51:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-02 05:51:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-02 05:51:42,908 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2019-10-02 05:51:42,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-10-02 05:51:42,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-10-02 05:51:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_static_branch [2019-10-02 05:51:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure static_key_false [2019-10-02 05:51:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-02 05:51:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-02 05:51:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-10-02 05:51:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-10-02 05:51:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_sched_notrace [2019-10-02 05:51:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-02 05:51:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-02 05:51:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be64 [2019-10-02 05:51:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_decode_hyper [2019-10-02 05:51:42,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 05:51:42,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-02 05:51:42,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 05:51:42,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2019-10-02 05:51:42,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-10-02 05:51:42,911 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2019-10-02 05:51:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SB [2019-10-02 05:51:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2019-10-02 05:51:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_CLIENT [2019-10-02 05:51:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2019-10-02 05:51:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_lock_request [2019-10-02 05:51:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_list_add_request [2019-10-02 05:51:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_list_entry [2019-10-02 05:51:42,913 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2019-10-02 05:51:42,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2019-10-02 05:51:42,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_enabled_sb [2019-10-02 05:51:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_return_layout [2019-10-02 05:51:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2019-10-02 05:51:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2019-10-02 05:51:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2019-10-02 05:51:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_invalid [2019-10-02 05:51:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_nfs4_pnfs_read [2019-10-02 05:51:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_nfs4_pnfs_write [2019-10-02 05:51:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_nfs4_pnfs_commit_ds [2019-10-02 05:51:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dense_offset [2019-10-02 05:51:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2019-10-02 05:51:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2019-10-02 05:51:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2019-10-02 05:51:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2019-10-02 05:51:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_async_handle_error [2019-10-02 05:51:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_done_cb [2019-10-02 05:51:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_set_layoutcommit [2019-10-02 05:51:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2019-10-02 05:51:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2019-10-02 05:51:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2019-10-02 05:51:42,919 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2019-10-02 05:51:42,919 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2019-10-02 05:51:42,919 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2019-10-02 05:51:42,919 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_done_cb [2019-10-02 05:51:42,919 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2019-10-02 05:51:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_done_cb [2019-10-02 05:51:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2019-10-02 05:51:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2019-10-02 05:51:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2019-10-02 05:51:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2019-10-02 05:51:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2019-10-02 05:51:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2019-10-02 05:51:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2019-10-02 05:51:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2019-10-02 05:51:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2019-10-02 05:51:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2019-10-02 05:51:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_check_layout [2019-10-02 05:51:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2019-10-02 05:51:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2019-10-02 05:51:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_decode_layout [2019-10-02 05:51:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2019-10-02 05:51:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_commit_info [2019-10-02 05:51:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2019-10-02 05:51:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2019-10-02 05:51:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2019-10-02 05:51:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2019-10-02 05:51:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure select_bucket_index [2019-10-02 05:51:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2019-10-02 05:51:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_choose_commit_list [2019-10-02 05:51:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2019-10-02 05:51:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_ds_index_from_commit [2019-10-02 05:51:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure select_ds_fh_from_commit [2019-10-02 05:51:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_initiate_commit [2019-10-02 05:51:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2019-10-02 05:51:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_ds_commit_list [2019-10-02 05:51:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2019-10-02 05:51:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2019-10-02 05:51:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_ds_commits [2019-10-02 05:51:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2019-10-02 05:51:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2019-10-02 05:51:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2019-10-02 05:51:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2019-10-02 05:51:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2019-10-02 05:51:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4filelayout_init [2019-10-02 05:51:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4filelayout_exit [2019-10-02 05:51:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2019-10-02 05:51:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_nfs4filelayout_init_5_11 [2019-10-02 05:51:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-10-02 05:51:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_1_5_4 [2019-10-02 05:51:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_2_5_5 [2019-10-02 05:51:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_1_5_6 [2019-10-02 05:51:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_2_5_7 [2019-10-02 05:51:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_12 [2019-10-02 05:51:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_15 [2019-10-02 05:51:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-10-02 05:51:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_9 [2019-10-02 05:51:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-10-02 05:51:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-10-02 05:51:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-02 05:51:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-10-02 05:51:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_12 [2019-10-02 05:51:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_15 [2019-10-02 05:51:42,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-10-02 05:51:42,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_9 [2019-10-02 05:51:42,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_12 [2019-10-02 05:51:42,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_13 [2019-10-02 05:51:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_16 [2019-10-02 05:51:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_17 [2019-10-02 05:51:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_18 [2019-10-02 05:51:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_19 [2019-10-02 05:51:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_20 [2019-10-02 05:51:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_21 [2019-10-02 05:51:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_22 [2019-10-02 05:51:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_23 [2019-10-02 05:51:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_26 [2019-10-02 05:51:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_27 [2019-10-02 05:51:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_28 [2019-10-02 05:51:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-02 05:51:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_31 [2019-10-02 05:51:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_9 [2019-10-02 05:51:42,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_12 [2019-10-02 05:51:42,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_13 [2019-10-02 05:51:42,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_16 [2019-10-02 05:51:42,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_17 [2019-10-02 05:51:42,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_18 [2019-10-02 05:51:42,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_19 [2019-10-02 05:51:42,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_20 [2019-10-02 05:51:42,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_21 [2019-10-02 05:51:42,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_22 [2019-10-02 05:51:42,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_23 [2019-10-02 05:51:42,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_26 [2019-10-02 05:51:42,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_27 [2019-10-02 05:51:42,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_28 [2019-10-02 05:51:42,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-02 05:51:42,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_31 [2019-10-02 05:51:42,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_9 [2019-10-02 05:51:42,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_5 [2019-10-02 05:51:42,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 05:51:42,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-10-02 05:51:42,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_0 [2019-10-02 05:51:42,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_1 [2019-10-02 05:51:42,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_2 [2019-10-02 05:51:42,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-10-02 05:51:42,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-10-02 05:51:42,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-10-02 05:51:42,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_5 [2019-10-02 05:51:42,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-10-02 05:51:42,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2019-10-02 05:51:42,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_1 [2019-10-02 05:51:42,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_5 [2019-10-02 05:51:42,953 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-02 05:51:42,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 05:51:42,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2019-10-02 05:51:42,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2019-10-02 05:51:42,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2019-10-02 05:51:42,953 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2019-10-02 05:51:42,954 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-02 05:51:42,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-02 05:51:42,954 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-02 05:51:42,954 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_on_bit [2019-10-02 05:51:42,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipv6_addr_src_scope [2019-10-02 05:51:42,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_addr_src_scope [2019-10-02 05:51:42,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_addr_equal [2019-10-02 05:51:42,955 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_page_array_len [2019-10-02 05:51:42,955 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_devid_invalid [2019-10-02 05:51:42,955 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ds [2019-10-02 05:51:42,955 INFO L138 BoogieDeclarations]: Found implementation of procedure same_sockaddr [2019-10-02 05:51:42,955 INFO L138 BoogieDeclarations]: Found implementation of procedure _same_data_server_addrs_locked [2019-10-02 05:51:42,955 INFO L138 BoogieDeclarations]: Found implementation of procedure _data_server_lookup_locked [2019-10-02 05:51:42,955 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_ds_connect [2019-10-02 05:51:42,955 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_ds [2019-10-02 05:51:42,956 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2019-10-02 05:51:42,956 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_pnfs_remotestr [2019-10-02 05:51:42,956 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_pnfs_ds_add [2019-10-02 05:51:42,956 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_ds_addr [2019-10-02 05:51:42,956 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_device [2019-10-02 05:51:42,956 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_and_add_device [2019-10-02 05:51:42,956 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_device_info [2019-10-02 05:51:42,956 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2019-10-02 05:51:42,956 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2019-10-02 05:51:42,957 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2019-10-02 05:51:42,957 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2019-10-02 05:51:42,957 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_wait_ds_connect [2019-10-02 05:51:42,957 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_clear_ds_conn_bit [2019-10-02 05:51:42,957 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2019-10-02 05:51:42,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_3 [2019-10-02 05:51:42,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_4 [2019-10-02 05:51:42,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-10-02 05:51:42,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_5 [2019-10-02 05:51:42,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-10-02 05:51:42,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_5 [2019-10-02 05:51:42,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-02 05:51:42,959 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-02 05:51:42,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_atomic_dec_and_lock_79 [2019-10-02 05:51:42,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80___0 [2019-10-02 05:51:42,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81___0 [2019-10-02 05:51:42,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-02 05:51:42,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-02 05:51:42,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-02 05:51:42,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 05:51:42,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 05:51:42,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 05:51:42,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 05:51:42,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-02 05:51:42,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-02 05:51:42,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-02 05:51:42,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-02 05:51:42,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-02 05:51:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-02 05:51:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 05:51:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 05:51:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-02 05:51:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 05:51:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-02 05:51:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 05:51:42,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-02 05:51:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-02 05:51:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-02 05:51:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-02 05:51:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-02 05:51:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-02 05:51:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-02 05:51:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 05:51:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 05:51:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 05:51:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-02 05:51:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-02 05:51:42,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-02 05:51:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-02 05:51:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-02 05:51:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-02 05:51:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-02 05:51:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-02 05:51:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-02 05:51:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-02 05:51:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-02 05:51:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-02 05:51:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-02 05:51:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-02 05:51:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-02 05:51:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-02 05:51:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-02 05:51:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-02 05:51:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-02 05:51:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-02 05:51:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-02 05:51:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-02 05:51:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-02 05:51:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cl_lock_of_nfs_client [2019-10-02 05:51:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_cl_lock_of_nfs_client [2019-10-02 05:51:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_cl_lock_of_nfs_client [2019-10-02 05:51:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_cl_lock_of_nfs_client [2019-10-02 05:51:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_cl_lock_of_nfs_client [2019-10-02 05:51:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_cl_lock_of_nfs_client [2019-10-02 05:51:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_cl_lock_of_nfs_client [2019-10-02 05:51:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_cl_lock_of_nfs_client [2019-10-02 05:51:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-10-02 05:51:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-02 05:51:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-02 05:51:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-02 05:51:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-02 05:51:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-02 05:51:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-02 05:51:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-02 05:51:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-10-02 05:51:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-10-02 05:51:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-10-02 05:51:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-10-02 05:51:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-10-02 05:51:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-10-02 05:51:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-10-02 05:51:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-10-02 05:51:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_nfs_commit_info [2019-10-02 05:51:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_nfs_commit_info [2019-10-02 05:51:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_nfs_commit_info [2019-10-02 05:51:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_nfs_commit_info [2019-10-02 05:51:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_nfs_commit_info [2019-10-02 05:51:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_nfs_commit_info [2019-10-02 05:51:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_nfs_commit_info [2019-10-02 05:51:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_nfs_commit_info [2019-10-02 05:51:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_res_counter [2019-10-02 05:51:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_res_counter [2019-10-02 05:51:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_res_counter [2019-10-02 05:51:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_res_counter [2019-10-02 05:51:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_res_counter [2019-10-02 05:51:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_res_counter [2019-10-02 05:51:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_res_counter [2019-10-02 05:51:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2019-10-02 05:51:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-02 05:51:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-02 05:51:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-02 05:51:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-02 05:51:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-02 05:51:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-02 05:51:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-02 05:51:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-02 05:51:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_nfs4_ds_cache_lock [2019-10-02 05:51:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_nfs4_ds_cache_lock [2019-10-02 05:51:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_nfs4_ds_cache_lock [2019-10-02 05:51:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_nfs4_ds_cache_lock [2019-10-02 05:51:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_nfs4_ds_cache_lock [2019-10-02 05:51:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_nfs4_ds_cache_lock [2019-10-02 05:51:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_nfs4_ds_cache_lock [2019-10-02 05:51:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_nfs4_ds_cache_lock [2019-10-02 05:51:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-02 05:51:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-02 05:51:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-02 05:51:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-02 05:51:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-02 05:51:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-02 05:51:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-02 05:51:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-02 05:51:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-10-02 05:51:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-10-02 05:51:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-10-02 05:51:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-10-02 05:51:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-10-02 05:51:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-10-02 05:51:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-10-02 05:51:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-10-02 05:51:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-02 05:51:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-02 05:51:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-02 05:51:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-02 05:51:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-02 05:51:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-02 05:51:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-02 05:51:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-02 05:51:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_sk_dst_lock_of_sock [2019-10-02 05:51:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2019-10-02 05:51:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2019-10-02 05:51:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2019-10-02 05:51:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2019-10-02 05:51:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2019-10-02 05:51:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2019-10-02 05:51:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2019-10-02 05:51:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:42,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-02 05:51:42,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-02 05:51:42,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-02 05:51:42,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-02 05:51:42,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-02 05:51:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-02 05:51:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-02 05:51:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-02 05:51:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 05:51:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-10-02 05:51:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-02 05:51:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-02 05:51:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-02 05:51:42,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-02 05:51:42,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __cond_resched_lock [2019-10-02 05:51:42,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2019-10-02 05:51:42,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipv6_addr_type [2019-10-02 05:51:42,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_atomic_dec_and_lock [2019-10-02 05:51:42,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-02 05:51:42,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-02 05:51:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-02 05:51:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure _pnfs_return_layout [2019-10-02 05:51:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-02 05:51:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-02 05:51:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-10-02 05:51:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-02 05:51:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-02 05:51:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-02 05:51:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-02 05:51:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-02 05:51:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 05:51:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2019-10-02 05:51:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-10-02 05:51:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2019-10-02 05:51:42,997 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2019-10-02 05:51:42,997 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_get_deviceid [2019-10-02 05:51:42,997 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2019-10-02 05:51:42,997 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_init_deviceid_node [2019-10-02 05:51:42,997 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_init_ds_session [2019-10-02 05:51:42,997 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_insert_deviceid_node [2019-10-02 05:51:42,997 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2019-10-02 05:51:42,998 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2019-10-02 05:51:42,998 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_proc_getdeviceinfo [2019-10-02 05:51:42,998 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_put_deviceid_node [2019-10-02 05:51:42,998 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_schedule_lease_recovery [2019-10-02 05:51:42,998 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_schedule_session_recovery [2019-10-02 05:51:42,998 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_schedule_stateid_recovery [2019-10-02 05:51:42,998 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_ds_client [2019-10-02 05:51:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2019-10-02 05:51:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_test_deviceid_unavailable [2019-10-02 05:51:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2019-10-02 05:51:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_release [2019-10-02 05:51:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_generic_pg_test [2019-10-02 05:51:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_cinfo [2019-10-02 05:51:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2019-10-02 05:51:43,000 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2019-10-02 05:51:43,000 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_read [2019-10-02 05:51:43,000 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_write [2019-10-02 05:51:43,000 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2019-10-02 05:51:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_write_mds [2019-10-02 05:51:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2019-10-02 05:51:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_remove_bad_delegation [2019-10-02 05:51:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_add_commit_list [2019-10-02 05:51:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2019-10-02 05:51:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2019-10-02 05:51:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure out_of_line_wait_on_bit [2019-10-02 05:51:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_destroy_layout [2019-10-02 05:51:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_readpages [2019-10-02 05:51:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_test [2019-10-02 05:51:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_writepages [2019-10-02 05:51:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2019-10-02 05:51:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_read_done_resend_to_mds [2019-10-02 05:51:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_register_layoutdriver [2019-10-02 05:51:43,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_set_layoutcommit [2019-10-02 05:51:43,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_unregister_layoutdriver [2019-10-02 05:51:43,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2019-10-02 05:51:43,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_write_done_resend_to_mds [2019-10-02 05:51:43,003 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 05:51:43,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-10-02 05:51:43,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2019-10-02 05:51:43,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2019-10-02 05:51:43,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_delay [2019-10-02 05:51:43,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2019-10-02 05:51:43,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pton [2019-10-02 05:51:43,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_restart_call_prepare [2019-10-02 05:51:43,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_sleep_on [2019-10-02 05:51:43,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_wake_up [2019-10-02 05:51:43,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_wake_up_queued_task [2019-10-02 05:51:43,005 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_bit [2019-10-02 05:51:43,005 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-02 05:51:43,005 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2019-10-02 05:51:43,005 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2019-10-02 05:51:43,005 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2019-10-02 05:51:43,006 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 05:51:43,006 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 05:51:43,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 05:51:43,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 05:51:43,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 05:51:43,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 05:51:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 05:51:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-02 05:51:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-02 05:51:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 05:51:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-02 05:51:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-02 05:51:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 05:51:43,008 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-02 05:51:43,008 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-02 05:51:43,008 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-02 05:51:43,008 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-02 05:51:43,008 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2019-10-02 05:51:43,008 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-02 05:51:43,008 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-02 05:51:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-02 05:51:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-02 05:51:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 05:51:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-02 05:51:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2019-10-02 05:51:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2019-10-02 05:51:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure __swab64p [2019-10-02 05:51:43,010 INFO L130 BoogieDeclarations]: Found specification of procedure __be64_to_cpup [2019-10-02 05:51:43,010 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2019-10-02 05:51:43,010 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 05:51:43,010 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-02 05:51:43,010 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-02 05:51:43,010 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 05:51:43,010 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-02 05:51:43,010 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-02 05:51:43,011 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2019-10-02 05:51:43,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 05:51:43,011 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2019-10-02 05:51:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 05:51:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 05:51:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-02 05:51:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-02 05:51:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-02 05:51:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-02 05:51:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2019-10-02 05:51:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-02 05:51:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-02 05:51:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2019-10-02 05:51:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-10-02 05:51:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_nfs_commit_info [2019-10-02 05:51:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_nfs_commit_info [2019-10-02 05:51:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 05:51:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-02 05:51:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 05:51:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-02 05:51:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 05:51:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 05:51:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-02 05:51:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-02 05:51:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-02 05:51:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2019-10-02 05:51:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-10-02 05:51:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-10-02 05:51:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure arch_static_branch [2019-10-02 05:51:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure static_key_false [2019-10-02 05:51:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-02 05:51:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-02 05:51:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-02 05:51:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2019-10-02 05:51:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-02 05:51:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2019-10-02 05:51:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-10-02 05:51:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2019-10-02 05:51:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-02 05:51:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-10-02 05:51:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-10-02 05:51:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_sched_notrace [2019-10-02 05:51:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-10-02 05:51:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-02 05:51:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2019-10-02 05:51:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-02 05:51:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be64 [2019-10-02 05:51:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_decode_hyper [2019-10-02 05:51:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2019-10-02 05:51:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2019-10-02 05:51:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2019-10-02 05:51:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2019-10-02 05:51:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_sleep_on [2019-10-02 05:51:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_wake_up_queued_task [2019-10-02 05:51:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_wake_up [2019-10-02 05:51:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_delay [2019-10-02 05:51:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 05:51:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 05:51:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 05:51:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-02 05:51:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 05:51:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2019-10-02 05:51:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-10-02 05:51:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 05:51:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure __cond_resched_lock [2019-10-02 05:51:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_restart_call_prepare [2019-10-02 05:51:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2019-10-02 05:51:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SB [2019-10-02 05:51:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2019-10-02 05:51:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_CLIENT [2019-10-02 05:51:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2019-10-02 05:51:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2019-10-02 05:51:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_generic_pg_test [2019-10-02 05:51:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_lock_request [2019-10-02 05:51:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_list_add_request [2019-10-02 05:51:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_list_entry [2019-10-02 05:51:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2019-10-02 05:51:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2019-10-02 05:51:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2019-10-02 05:51:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2019-10-02 05:51:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2019-10-02 05:51:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_schedule_session_recovery [2019-10-02 05:51:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_schedule_lease_recovery [2019-10-02 05:51:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_schedule_stateid_recovery [2019-10-02 05:51:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2019-10-02 05:51:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2019-10-02 05:51:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_read [2019-10-02 05:51:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2019-10-02 05:51:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_write_mds [2019-10-02 05:51:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_write [2019-10-02 05:51:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2019-10-02 05:51:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2019-10-02 05:51:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2019-10-02 05:51:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_release [2019-10-02 05:51:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_add_commit_list [2019-10-02 05:51:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2019-10-02 05:51:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_cinfo [2019-10-02 05:51:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_remove_bad_delegation [2019-10-02 05:51:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_register_layoutdriver [2019-10-02 05:51:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_unregister_layoutdriver [2019-10-02 05:51:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2019-10-02 05:51:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_readpages [2019-10-02 05:51:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_writepages [2019-10-02 05:51:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_test [2019-10-02 05:51:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_destroy_layout [2019-10-02 05:51:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_set_layoutcommit [2019-10-02 05:51:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure _pnfs_return_layout [2019-10-02 05:51:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2019-10-02 05:51:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_read_done_resend_to_mds [2019-10-02 05:51:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_write_done_resend_to_mds [2019-10-02 05:51:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_get_deviceid [2019-10-02 05:51:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2019-10-02 05:51:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_test_deviceid_unavailable [2019-10-02 05:51:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2019-10-02 05:51:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_enabled_sb [2019-10-02 05:51:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_return_layout [2019-10-02 05:51:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2019-10-02 05:51:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2019-10-02 05:51:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2019-10-02 05:51:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2019-10-02 05:51:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_invalid [2019-10-02 05:51:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2019-10-02 05:51:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2019-10-02 05:51:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2019-10-02 05:51:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2019-10-02 05:51:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2019-10-02 05:51:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2019-10-02 05:51:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2019-10-02 05:51:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_device_info [2019-10-02 05:51:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure trace_nfs4_pnfs_read [2019-10-02 05:51:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-10-02 05:51:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure trace_nfs4_pnfs_write [2019-10-02 05:51:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure trace_nfs4_pnfs_commit_ds [2019-10-02 05:51:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dense_offset [2019-10-02 05:51:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2019-10-02 05:51:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2019-10-02 05:51:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2019-10-02 05:51:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2019-10-02 05:51:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_async_handle_error [2019-10-02 05:51:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_done_cb [2019-10-02 05:51:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_set_layoutcommit [2019-10-02 05:51:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2019-10-02 05:51:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2019-10-02 05:51:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2019-10-02 05:51:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-02 05:51:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2019-10-02 05:51:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2019-10-02 05:51:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 05:51:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_done_cb [2019-10-02 05:51:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2019-10-02 05:51:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 05:51:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_done_cb [2019-10-02 05:51:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2019-10-02 05:51:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2019-10-02 05:51:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2019-10-02 05:51:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2019-10-02 05:51:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2019-10-02 05:51:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2019-10-02 05:51:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2019-10-02 05:51:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2019-10-02 05:51:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2019-10-02 05:51:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2019-10-02 05:51:43,038 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_check_layout [2019-10-02 05:51:43,038 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2019-10-02 05:51:43,038 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2019-10-02 05:51:43,038 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_decode_layout [2019-10-02 05:51:43,038 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2019-10-02 05:51:43,038 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_commit_info [2019-10-02 05:51:43,038 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2019-10-02 05:51:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2019-10-02 05:51:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2019-10-02 05:51:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2019-10-02 05:51:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure select_bucket_index [2019-10-02 05:51:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2019-10-02 05:51:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_choose_commit_list [2019-10-02 05:51:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2019-10-02 05:51:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure calc_ds_index_from_commit [2019-10-02 05:51:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure select_ds_fh_from_commit [2019-10-02 05:51:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_initiate_commit [2019-10-02 05:51:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2019-10-02 05:51:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_ds_commit_list [2019-10-02 05:51:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2019-10-02 05:51:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2019-10-02 05:51:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_ds_commits [2019-10-02 05:51:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2019-10-02 05:51:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2019-10-02 05:51:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2019-10-02 05:51:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2019-10-02 05:51:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2019-10-02 05:51:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4filelayout_init [2019-10-02 05:51:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4filelayout_exit [2019-10-02 05:51:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2019-10-02 05:51:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_nfs4filelayout_init_5_11 [2019-10-02 05:51:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-10-02 05:51:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_1_5_4 [2019-10-02 05:51:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_2_5_5 [2019-10-02 05:51:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_1_5_6 [2019-10-02 05:51:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_2_5_7 [2019-10-02 05:51:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_12 [2019-10-02 05:51:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_15 [2019-10-02 05:51:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-10-02 05:51:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_9 [2019-10-02 05:51:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-10-02 05:51:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-10-02 05:51:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-02 05:51:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-10-02 05:51:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_12 [2019-10-02 05:51:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_15 [2019-10-02 05:51:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-10-02 05:51:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_9 [2019-10-02 05:51:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_12 [2019-10-02 05:51:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_13 [2019-10-02 05:51:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_16 [2019-10-02 05:51:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_17 [2019-10-02 05:51:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_18 [2019-10-02 05:51:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_19 [2019-10-02 05:51:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_20 [2019-10-02 05:51:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_21 [2019-10-02 05:51:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_22 [2019-10-02 05:51:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_23 [2019-10-02 05:51:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_26 [2019-10-02 05:51:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_27 [2019-10-02 05:51:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_28 [2019-10-02 05:51:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-02 05:51:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_31 [2019-10-02 05:51:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_9 [2019-10-02 05:51:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_12 [2019-10-02 05:51:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_13 [2019-10-02 05:51:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_16 [2019-10-02 05:51:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_17 [2019-10-02 05:51:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_18 [2019-10-02 05:51:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_19 [2019-10-02 05:51:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_20 [2019-10-02 05:51:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_21 [2019-10-02 05:51:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_22 [2019-10-02 05:51:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_23 [2019-10-02 05:51:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_26 [2019-10-02 05:51:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_27 [2019-10-02 05:51:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_28 [2019-10-02 05:51:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-02 05:51:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_31 [2019-10-02 05:51:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_9 [2019-10-02 05:51:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_5 [2019-10-02 05:51:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 05:51:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-10-02 05:51:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_0 [2019-10-02 05:51:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_1 [2019-10-02 05:51:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_2 [2019-10-02 05:51:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_3 [2019-10-02 05:51:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_4 [2019-10-02 05:51:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-10-02 05:51:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-10-02 05:51:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-10-02 05:51:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_5 [2019-10-02 05:51:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-10-02 05:51:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2019-10-02 05:51:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_1 [2019-10-02 05:51:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_5 [2019-10-02 05:51:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-10-02 05:51:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_5 [2019-10-02 05:51:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-10-02 05:51:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_5 [2019-10-02 05:51:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 05:51:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 05:51:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2019-10-02 05:51:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2019-10-02 05:51:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-02 05:51:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-02 05:51:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-02 05:51:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-02 05:51:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-02 05:51:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-10-02 05:51:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-10-02 05:51:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-02 05:51:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-02 05:51:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-02 05:51:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_atomic_dec_and_lock [2019-10-02 05:51:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_atomic_dec_and_lock_79 [2019-10-02 05:51:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_nfs4_ds_cache_lock [2019-10-02 05:51:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_nfs4_ds_cache_lock [2019-10-02 05:51:43,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_nfs4_ds_cache_lock [2019-10-02 05:51:43,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81___0 [2019-10-02 05:51:43,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80___0 [2019-10-02 05:51:43,055 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_bit [2019-10-02 05:51:43,055 INFO L130 BoogieDeclarations]: Found specification of procedure out_of_line_wait_on_bit [2019-10-02 05:51:43,055 INFO L130 BoogieDeclarations]: Found specification of procedure wait_on_bit [2019-10-02 05:51:43,055 INFO L130 BoogieDeclarations]: Found specification of procedure __ipv6_addr_type [2019-10-02 05:51:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure __ipv6_addr_src_scope [2019-10-02 05:51:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_addr_src_scope [2019-10-02 05:51:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_addr_equal [2019-10-02 05:51:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pton [2019-10-02 05:51:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_ds_client [2019-10-02 05:51:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_wait_bit_killable [2019-10-02 05:51:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_page_array_len [2019-10-02 05:51:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_init_ds_session [2019-10-02 05:51:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_proc_getdeviceinfo [2019-10-02 05:51:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_init_deviceid_node [2019-10-02 05:51:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_insert_deviceid_node [2019-10-02 05:51:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_put_deviceid_node [2019-10-02 05:51:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_devid_invalid [2019-10-02 05:51:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure print_ds [2019-10-02 05:51:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure same_sockaddr [2019-10-02 05:51:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure _same_data_server_addrs_locked [2019-10-02 05:51:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure _data_server_lookup_locked [2019-10-02 05:51:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_ds_connect [2019-10-02 05:51:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_ds [2019-10-02 05:51:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_pnfs_remotestr [2019-10-02 05:51:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_pnfs_ds_add [2019-10-02 05:51:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure decode_ds_addr [2019-10-02 05:51:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure decode_device [2019-10-02 05:51:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure decode_and_add_device [2019-10-02 05:51:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_wait_ds_connect [2019-10-02 05:51:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_clear_ds_conn_bit [2019-10-02 05:51:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-02 05:51:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-02 05:51:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-02 05:51:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 05:51:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-02 05:51:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 05:51:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-02 05:51:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-02 05:51:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-02 05:51:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-02 05:51:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-02 05:51:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-02 05:51:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-02 05:51:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-02 05:51:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-02 05:51:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-02 05:51:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-02 05:51:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-02 05:51:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 05:51:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 05:51:43,063 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 05:51:43,063 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 05:51:43,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 05:51:43,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 05:51:43,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 05:51:43,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 05:51:43,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 05:51:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-02 05:51:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-02 05:51:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 05:51:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 05:51:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 05:51:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-02 05:51:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-02 05:51:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-02 05:51:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-02 05:51:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-02 05:51:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-02 05:51:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-02 05:51:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-02 05:51:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-02 05:51:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-02 05:51:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-02 05:51:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-02 05:51:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-02 05:51:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-02 05:51:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-02 05:51:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-02 05:51:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-02 05:51:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-02 05:51:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-02 05:51:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-02 05:51:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-02 05:51:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-02 05:51:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-02 05:51:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-02 05:51:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-02 05:51:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-02 05:51:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-02 05:51:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-02 05:51:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-02 05:51:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-02 05:51:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-02 05:51:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-02 05:51:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cl_lock_of_nfs_client [2019-10-02 05:51:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_cl_lock_of_nfs_client [2019-10-02 05:51:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_cl_lock_of_nfs_client [2019-10-02 05:51:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_cl_lock_of_nfs_client [2019-10-02 05:51:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_cl_lock_of_nfs_client [2019-10-02 05:51:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_cl_lock_of_nfs_client [2019-10-02 05:51:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_cl_lock_of_nfs_client [2019-10-02 05:51:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_cl_lock_of_nfs_client [2019-10-02 05:51:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-10-02 05:51:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-02 05:51:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-02 05:51:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-02 05:51:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-02 05:51:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-02 05:51:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-02 05:51:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-02 05:51:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-10-02 05:51:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-10-02 05:51:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-10-02 05:51:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-10-02 05:51:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-10-02 05:51:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-10-02 05:51:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-10-02 05:51:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-10-02 05:51:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-02 05:51:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_nfs_commit_info [2019-10-02 05:51:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_nfs_commit_info [2019-10-02 05:51:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_nfs_commit_info [2019-10-02 05:51:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_nfs_commit_info [2019-10-02 05:51:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_nfs_commit_info [2019-10-02 05:51:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_nfs_commit_info [2019-10-02 05:51:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_res_counter [2019-10-02 05:51:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_res_counter [2019-10-02 05:51:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_res_counter [2019-10-02 05:51:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_res_counter [2019-10-02 05:51:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_res_counter [2019-10-02 05:51:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_res_counter [2019-10-02 05:51:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_res_counter [2019-10-02 05:51:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2019-10-02 05:51:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-02 05:51:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-02 05:51:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-02 05:51:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-02 05:51:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-02 05:51:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-02 05:51:43,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-02 05:51:43,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-02 05:51:43,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_nfs4_ds_cache_lock [2019-10-02 05:51:43,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_nfs4_ds_cache_lock [2019-10-02 05:51:43,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_nfs4_ds_cache_lock [2019-10-02 05:51:43,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_nfs4_ds_cache_lock [2019-10-02 05:51:43,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_nfs4_ds_cache_lock [2019-10-02 05:51:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-02 05:51:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-02 05:51:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-02 05:51:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-02 05:51:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-02 05:51:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-02 05:51:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-02 05:51:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-02 05:51:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-10-02 05:51:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-10-02 05:51:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-10-02 05:51:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-10-02 05:51:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-10-02 05:51:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-10-02 05:51:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-10-02 05:51:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-10-02 05:51:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-02 05:51:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-02 05:51:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-02 05:51:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-02 05:51:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-02 05:51:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-02 05:51:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-02 05:51:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-02 05:51:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_sk_dst_lock_of_sock [2019-10-02 05:51:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2019-10-02 05:51:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2019-10-02 05:51:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2019-10-02 05:51:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2019-10-02 05:51:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2019-10-02 05:51:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2019-10-02 05:51:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2019-10-02 05:51:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2019-10-02 05:51:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-02 05:51:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-02 05:51:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-02 05:51:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-02 05:51:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-02 05:51:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-02 05:51:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-02 05:51:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-02 05:51:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-10-02 05:51:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 05:51:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 05:51:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-02 05:51:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 05:51:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 05:51:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 05:51:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 05:51:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 05:51:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 05:51:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 05:51:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 05:51:47,293 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-10-02 05:51:48,084 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 05:51:55,628 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 05:51:55,628 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-02 05:51:55,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 05:51:55 BoogieIcfgContainer [2019-10-02 05:51:55,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 05:51:55,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 05:51:55,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 05:51:55,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 05:51:55,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 05:51:34" (1/3) ... [2019-10-02 05:51:55,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7c8f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 05:51:55, skipping insertion in model container [2019-10-02 05:51:55,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:51:42" (2/3) ... [2019-10-02 05:51:55,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7c8f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 05:51:55, skipping insertion in model container [2019-10-02 05:51:55,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 05:51:55" (3/3) ... [2019-10-02 05:51:55,641 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2019-10-02 05:51:55,651 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 05:51:55,663 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-02 05:51:55,684 INFO L252 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-02 05:51:55,744 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 05:51:55,744 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 05:51:55,745 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 05:51:55,745 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 05:51:55,745 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 05:51:55,745 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 05:51:55,745 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 05:51:55,745 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 05:51:55,745 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 05:51:55,838 INFO L276 IsEmpty]: Start isEmpty. Operand 3626 states. [2019-10-02 05:51:55,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-10-02 05:51:55,860 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:51:55,861 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:51:55,864 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:51:55,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:51:55,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1150979818, now seen corresponding path program 1 times [2019-10-02 05:51:55,872 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:51:55,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:51:55,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:51:55,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:51:55,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:51:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:51:57,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-10-02 05:51:57,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:51:57,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:51:57,251 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:51:57,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:51:57,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:51:57,268 INFO L87 Difference]: Start difference. First operand 3626 states. Second operand 3 states. [2019-10-02 05:52:00,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:00,348 INFO L93 Difference]: Finished difference Result 7882 states and 10633 transitions. [2019-10-02 05:52:00,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:52:00,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 350 [2019-10-02 05:52:00,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:00,409 INFO L225 Difference]: With dead ends: 7882 [2019-10-02 05:52:00,409 INFO L226 Difference]: Without dead ends: 5219 [2019-10-02 05:52:00,436 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:00,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5219 states. [2019-10-02 05:52:01,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5219 to 5213. [2019-10-02 05:52:01,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5213 states. [2019-10-02 05:52:01,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5213 states to 5213 states and 6849 transitions. [2019-10-02 05:52:01,077 INFO L78 Accepts]: Start accepts. Automaton has 5213 states and 6849 transitions. Word has length 350 [2019-10-02 05:52:01,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:01,083 INFO L475 AbstractCegarLoop]: Abstraction has 5213 states and 6849 transitions. [2019-10-02 05:52:01,083 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:52:01,084 INFO L276 IsEmpty]: Start isEmpty. Operand 5213 states and 6849 transitions. [2019-10-02 05:52:01,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2019-10-02 05:52:01,111 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:01,112 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:52:01,113 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:01,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:01,114 INFO L82 PathProgramCache]: Analyzing trace with hash 43710039, now seen corresponding path program 1 times [2019-10-02 05:52:01,114 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:01,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:01,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:01,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:01,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:01,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-10-02 05:52:01,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:01,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:52:01,877 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:52:01,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:52:01,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:01,878 INFO L87 Difference]: Start difference. First operand 5213 states and 6849 transitions. Second operand 3 states. [2019-10-02 05:52:04,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:04,917 INFO L93 Difference]: Finished difference Result 12871 states and 16889 transitions. [2019-10-02 05:52:04,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:52:04,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2019-10-02 05:52:04,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:05,025 INFO L225 Difference]: With dead ends: 12871 [2019-10-02 05:52:05,025 INFO L226 Difference]: Without dead ends: 7747 [2019-10-02 05:52:05,064 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:05,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7747 states. [2019-10-02 05:52:05,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7747 to 7680. [2019-10-02 05:52:05,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7680 states. [2019-10-02 05:52:05,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7680 states to 7680 states and 10067 transitions. [2019-10-02 05:52:05,750 INFO L78 Accepts]: Start accepts. Automaton has 7680 states and 10067 transitions. Word has length 353 [2019-10-02 05:52:05,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:05,753 INFO L475 AbstractCegarLoop]: Abstraction has 7680 states and 10067 transitions. [2019-10-02 05:52:05,753 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:52:05,753 INFO L276 IsEmpty]: Start isEmpty. Operand 7680 states and 10067 transitions. [2019-10-02 05:52:05,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-10-02 05:52:05,768 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:05,769 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:52:05,769 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:05,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:05,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1116966345, now seen corresponding path program 1 times [2019-10-02 05:52:05,770 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:05,771 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:05,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:05,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:05,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:06,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-10-02 05:52:06,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:06,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:52:06,582 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:52:06,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:52:06,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:06,583 INFO L87 Difference]: Start difference. First operand 7680 states and 10067 transitions. Second operand 3 states. [2019-10-02 05:52:09,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:09,866 INFO L93 Difference]: Finished difference Result 19985 states and 26221 transitions. [2019-10-02 05:52:09,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:52:09,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 354 [2019-10-02 05:52:09,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:09,991 INFO L225 Difference]: With dead ends: 19985 [2019-10-02 05:52:09,991 INFO L226 Difference]: Without dead ends: 12394 [2019-10-02 05:52:10,041 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:10,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12394 states. [2019-10-02 05:52:10,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12394 to 12337. [2019-10-02 05:52:10,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12337 states. [2019-10-02 05:52:10,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12337 states to 12337 states and 16181 transitions. [2019-10-02 05:52:10,831 INFO L78 Accepts]: Start accepts. Automaton has 12337 states and 16181 transitions. Word has length 354 [2019-10-02 05:52:10,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:10,832 INFO L475 AbstractCegarLoop]: Abstraction has 12337 states and 16181 transitions. [2019-10-02 05:52:10,832 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:52:10,832 INFO L276 IsEmpty]: Start isEmpty. Operand 12337 states and 16181 transitions. [2019-10-02 05:52:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2019-10-02 05:52:10,844 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:10,844 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:52:10,845 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:10,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:10,845 INFO L82 PathProgramCache]: Analyzing trace with hash -296161584, now seen corresponding path program 1 times [2019-10-02 05:52:10,845 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:10,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:10,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:10,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:10,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-10-02 05:52:12,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:12,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:52:12,285 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:52:12,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:52:12,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:12,286 INFO L87 Difference]: Start difference. First operand 12337 states and 16181 transitions. Second operand 3 states. [2019-10-02 05:52:15,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:15,738 INFO L93 Difference]: Finished difference Result 30174 states and 39480 transitions. [2019-10-02 05:52:15,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:52:15,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 355 [2019-10-02 05:52:15,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:15,884 INFO L225 Difference]: With dead ends: 30174 [2019-10-02 05:52:15,885 INFO L226 Difference]: Without dead ends: 17926 [2019-10-02 05:52:15,949 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:15,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17926 states. [2019-10-02 05:52:16,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17926 to 17853. [2019-10-02 05:52:16,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17853 states. [2019-10-02 05:52:16,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17853 states to 17853 states and 23298 transitions. [2019-10-02 05:52:16,922 INFO L78 Accepts]: Start accepts. Automaton has 17853 states and 23298 transitions. Word has length 355 [2019-10-02 05:52:16,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:16,924 INFO L475 AbstractCegarLoop]: Abstraction has 17853 states and 23298 transitions. [2019-10-02 05:52:16,924 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:52:16,925 INFO L276 IsEmpty]: Start isEmpty. Operand 17853 states and 23298 transitions. [2019-10-02 05:52:16,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-10-02 05:52:16,931 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:16,932 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:52:16,932 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:16,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:16,933 INFO L82 PathProgramCache]: Analyzing trace with hash -543326365, now seen corresponding path program 1 times [2019-10-02 05:52:16,933 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:16,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:16,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:16,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:16,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:17,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-10-02 05:52:17,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:17,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:52:17,570 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:52:17,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:52:17,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:17,571 INFO L87 Difference]: Start difference. First operand 17853 states and 23298 transitions. Second operand 3 states. [2019-10-02 05:52:21,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:21,089 INFO L93 Difference]: Finished difference Result 51932 states and 67792 transitions. [2019-10-02 05:52:21,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:52:21,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 359 [2019-10-02 05:52:21,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:21,312 INFO L225 Difference]: With dead ends: 51932 [2019-10-02 05:52:21,312 INFO L226 Difference]: Without dead ends: 34168 [2019-10-02 05:52:21,396 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:21,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34168 states. [2019-10-02 05:52:24,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34168 to 34067. [2019-10-02 05:52:24,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34067 states. [2019-10-02 05:52:24,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34067 states to 34067 states and 44433 transitions. [2019-10-02 05:52:24,406 INFO L78 Accepts]: Start accepts. Automaton has 34067 states and 44433 transitions. Word has length 359 [2019-10-02 05:52:24,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:24,407 INFO L475 AbstractCegarLoop]: Abstraction has 34067 states and 44433 transitions. [2019-10-02 05:52:24,407 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:52:24,407 INFO L276 IsEmpty]: Start isEmpty. Operand 34067 states and 44433 transitions. [2019-10-02 05:52:24,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2019-10-02 05:52:24,413 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:24,414 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:52:24,414 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:24,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:24,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1286299803, now seen corresponding path program 1 times [2019-10-02 05:52:24,415 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:24,415 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:24,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:24,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:24,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:24,872 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-10-02 05:52:24,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:24,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:52:24,874 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:52:24,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:52:24,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:24,875 INFO L87 Difference]: Start difference. First operand 34067 states and 44433 transitions. Second operand 3 states. [2019-10-02 05:52:28,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:28,823 INFO L93 Difference]: Finished difference Result 97934 states and 127794 transitions. [2019-10-02 05:52:28,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:52:28,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 365 [2019-10-02 05:52:28,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:29,602 INFO L225 Difference]: With dead ends: 97934 [2019-10-02 05:52:29,603 INFO L226 Difference]: Without dead ends: 63956 [2019-10-02 05:52:29,732 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:29,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63956 states. [2019-10-02 05:52:34,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63956 to 63887. [2019-10-02 05:52:34,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63887 states. [2019-10-02 05:52:34,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63887 states to 63887 states and 83284 transitions. [2019-10-02 05:52:34,863 INFO L78 Accepts]: Start accepts. Automaton has 63887 states and 83284 transitions. Word has length 365 [2019-10-02 05:52:34,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:34,864 INFO L475 AbstractCegarLoop]: Abstraction has 63887 states and 83284 transitions. [2019-10-02 05:52:34,864 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:52:34,864 INFO L276 IsEmpty]: Start isEmpty. Operand 63887 states and 83284 transitions. [2019-10-02 05:52:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2019-10-02 05:52:34,871 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:34,872 INFO L411 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] [2019-10-02 05:52:34,872 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:34,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:34,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1447591962, now seen corresponding path program 1 times [2019-10-02 05:52:34,873 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:34,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:34,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:34,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:34,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:35,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3942 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3936 trivial. 0 not checked. [2019-10-02 05:52:35,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:35,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:52:35,342 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:52:35,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:52:35,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:35,344 INFO L87 Difference]: Start difference. First operand 63887 states and 83284 transitions. Second operand 3 states. [2019-10-02 05:52:40,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:40,012 INFO L93 Difference]: Finished difference Result 189460 states and 247266 transitions. [2019-10-02 05:52:40,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:52:40,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 405 [2019-10-02 05:52:40,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:40,594 INFO L225 Difference]: With dead ends: 189460 [2019-10-02 05:52:40,594 INFO L226 Difference]: Without dead ends: 125726 [2019-10-02 05:52:40,789 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:40,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125726 states. [2019-10-02 05:52:46,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125726 to 125720. [2019-10-02 05:52:46,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125720 states. [2019-10-02 05:52:47,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125720 states to 125720 states and 163813 transitions. [2019-10-02 05:52:47,220 INFO L78 Accepts]: Start accepts. Automaton has 125720 states and 163813 transitions. Word has length 405 [2019-10-02 05:52:47,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:52:47,221 INFO L475 AbstractCegarLoop]: Abstraction has 125720 states and 163813 transitions. [2019-10-02 05:52:47,221 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:52:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 125720 states and 163813 transitions. [2019-10-02 05:52:47,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2019-10-02 05:52:47,224 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:52:47,225 INFO L411 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] [2019-10-02 05:52:47,225 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:52:47,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:52:47,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1461171940, now seen corresponding path program 1 times [2019-10-02 05:52:47,226 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:52:47,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:52:47,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:47,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:52:47,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:52:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:52:47,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3942 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3936 trivial. 0 not checked. [2019-10-02 05:52:47,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:52:47,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:52:47,651 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:52:47,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:52:47,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:47,651 INFO L87 Difference]: Start difference. First operand 125720 states and 163813 transitions. Second operand 3 states. [2019-10-02 05:52:55,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:52:55,679 INFO L93 Difference]: Finished difference Result 313181 states and 408424 transitions. [2019-10-02 05:52:55,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:52:55,680 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 405 [2019-10-02 05:52:55,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:52:57,068 INFO L225 Difference]: With dead ends: 313181 [2019-10-02 05:52:57,068 INFO L226 Difference]: Without dead ends: 187614 [2019-10-02 05:52:57,296 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:52:57,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187614 states. [2019-10-02 05:53:07,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187614 to 187585. [2019-10-02 05:53:07,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187585 states. [2019-10-02 05:53:07,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187585 states to 187585 states and 244341 transitions. [2019-10-02 05:53:07,675 INFO L78 Accepts]: Start accepts. Automaton has 187585 states and 244341 transitions. Word has length 405 [2019-10-02 05:53:07,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:53:07,676 INFO L475 AbstractCegarLoop]: Abstraction has 187585 states and 244341 transitions. [2019-10-02 05:53:07,676 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:53:07,676 INFO L276 IsEmpty]: Start isEmpty. Operand 187585 states and 244341 transitions. [2019-10-02 05:53:07,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2019-10-02 05:53:07,680 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:53:07,681 INFO L411 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] [2019-10-02 05:53:07,681 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:53:07,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:53:07,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1820920541, now seen corresponding path program 1 times [2019-10-02 05:53:07,682 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:53:07,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:53:07,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:53:07,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:53:07,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:53:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:53:08,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3953 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3944 trivial. 0 not checked. [2019-10-02 05:53:08,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:53:08,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:53:08,141 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:53:08,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:53:08,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:53:08,141 INFO L87 Difference]: Start difference. First operand 187585 states and 244341 transitions. Second operand 5 states. [2019-10-02 05:53:11,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:53:11,511 INFO L93 Difference]: Finished difference Result 187591 states and 244346 transitions. [2019-10-02 05:53:11,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:53:11,512 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 405 [2019-10-02 05:53:11,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:53:12,137 INFO L225 Difference]: With dead ends: 187591 [2019-10-02 05:53:12,137 INFO L226 Difference]: Without dead ends: 187589 [2019-10-02 05:53:12,208 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:53:12,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187589 states. [2019-10-02 05:53:22,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187589 to 187589. [2019-10-02 05:53:22,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187589 states. [2019-10-02 05:53:23,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187589 states to 187589 states and 244344 transitions. [2019-10-02 05:53:23,220 INFO L78 Accepts]: Start accepts. Automaton has 187589 states and 244344 transitions. Word has length 405 [2019-10-02 05:53:23,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:53:23,221 INFO L475 AbstractCegarLoop]: Abstraction has 187589 states and 244344 transitions. [2019-10-02 05:53:23,221 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:53:23,221 INFO L276 IsEmpty]: Start isEmpty. Operand 187589 states and 244344 transitions. [2019-10-02 05:53:23,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2019-10-02 05:53:23,225 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:53:23,226 INFO L411 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] [2019-10-02 05:53:23,226 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:53:23,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:53:23,226 INFO L82 PathProgramCache]: Analyzing trace with hash 762718411, now seen corresponding path program 1 times [2019-10-02 05:53:23,227 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:53:23,227 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:53:23,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:53:23,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:53:23,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:53:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:53:23,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3955 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3944 trivial. 0 not checked. [2019-10-02 05:53:23,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:53:23,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:53:23,707 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:53:23,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:53:23,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:53:23,708 INFO L87 Difference]: Start difference. First operand 187589 states and 244344 transitions. Second operand 5 states. [2019-10-02 05:53:26,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:53:26,701 INFO L93 Difference]: Finished difference Result 187595 states and 244349 transitions. [2019-10-02 05:53:26,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:53:26,701 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 410 [2019-10-02 05:53:26,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:53:31,907 INFO L225 Difference]: With dead ends: 187595 [2019-10-02 05:53:31,908 INFO L226 Difference]: Without dead ends: 187593 [2019-10-02 05:53:31,961 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:53:32,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187593 states. [2019-10-02 05:53:36,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187593 to 187593. [2019-10-02 05:53:36,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187593 states. [2019-10-02 05:53:36,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187593 states to 187593 states and 244347 transitions. [2019-10-02 05:53:36,922 INFO L78 Accepts]: Start accepts. Automaton has 187593 states and 244347 transitions. Word has length 410 [2019-10-02 05:53:36,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:53:36,923 INFO L475 AbstractCegarLoop]: Abstraction has 187593 states and 244347 transitions. [2019-10-02 05:53:36,923 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:53:36,923 INFO L276 IsEmpty]: Start isEmpty. Operand 187593 states and 244347 transitions. [2019-10-02 05:53:36,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2019-10-02 05:53:36,927 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:53:36,927 INFO L411 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] [2019-10-02 05:53:36,928 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:53:36,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:53:36,928 INFO L82 PathProgramCache]: Analyzing trace with hash 550114787, now seen corresponding path program 1 times [2019-10-02 05:53:36,928 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:53:36,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:53:36,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:53:36,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:53:36,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:53:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:53:38,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3961 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3948 trivial. 0 not checked. [2019-10-02 05:53:38,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:53:38,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:53:38,144 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:53:38,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:53:38,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:53:38,145 INFO L87 Difference]: Start difference. First operand 187593 states and 244347 transitions. Second operand 5 states. [2019-10-02 05:53:41,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:53:41,462 INFO L93 Difference]: Finished difference Result 187599 states and 244352 transitions. [2019-10-02 05:53:41,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:53:41,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 415 [2019-10-02 05:53:41,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:53:42,021 INFO L225 Difference]: With dead ends: 187599 [2019-10-02 05:53:42,021 INFO L226 Difference]: Without dead ends: 187597 [2019-10-02 05:53:42,089 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:53:42,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187597 states. [2019-10-02 05:53:53,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187597 to 187597. [2019-10-02 05:53:53,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187597 states. [2019-10-02 05:53:54,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187597 states to 187597 states and 244350 transitions. [2019-10-02 05:53:54,267 INFO L78 Accepts]: Start accepts. Automaton has 187597 states and 244350 transitions. Word has length 415 [2019-10-02 05:53:54,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:53:54,268 INFO L475 AbstractCegarLoop]: Abstraction has 187597 states and 244350 transitions. [2019-10-02 05:53:54,268 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:53:54,268 INFO L276 IsEmpty]: Start isEmpty. Operand 187597 states and 244350 transitions. [2019-10-02 05:53:54,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2019-10-02 05:53:54,271 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:53:54,272 INFO L411 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] [2019-10-02 05:53:54,272 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:53:54,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:53:54,272 INFO L82 PathProgramCache]: Analyzing trace with hash -554455157, now seen corresponding path program 1 times [2019-10-02 05:53:54,272 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:53:54,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:53:54,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:53:54,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:53:54,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:53:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:53:54,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3971 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3956 trivial. 0 not checked. [2019-10-02 05:53:54,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:53:54,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:53:54,664 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:53:54,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:53:54,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:53:54,671 INFO L87 Difference]: Start difference. First operand 187597 states and 244350 transitions. Second operand 5 states. [2019-10-02 05:54:01,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:54:01,005 INFO L93 Difference]: Finished difference Result 187603 states and 244355 transitions. [2019-10-02 05:54:01,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:54:01,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 420 [2019-10-02 05:54:01,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:54:01,572 INFO L225 Difference]: With dead ends: 187603 [2019-10-02 05:54:01,573 INFO L226 Difference]: Without dead ends: 187601 [2019-10-02 05:54:01,635 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:54:01,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187601 states. [2019-10-02 05:54:07,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187601 to 187601. [2019-10-02 05:54:07,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187601 states. [2019-10-02 05:54:08,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187601 states to 187601 states and 244353 transitions. [2019-10-02 05:54:08,063 INFO L78 Accepts]: Start accepts. Automaton has 187601 states and 244353 transitions. Word has length 420 [2019-10-02 05:54:08,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:54:08,064 INFO L475 AbstractCegarLoop]: Abstraction has 187601 states and 244353 transitions. [2019-10-02 05:54:08,064 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:54:08,064 INFO L276 IsEmpty]: Start isEmpty. Operand 187601 states and 244353 transitions. [2019-10-02 05:54:08,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-10-02 05:54:08,068 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:54:08,069 INFO L411 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] [2019-10-02 05:54:08,069 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:54:08,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:54:08,070 INFO L82 PathProgramCache]: Analyzing trace with hash -961743197, now seen corresponding path program 1 times [2019-10-02 05:54:08,070 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:54:08,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:54:08,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:08,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:54:08,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:54:08,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3985 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3968 trivial. 0 not checked. [2019-10-02 05:54:08,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:54:08,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:54:08,632 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:54:08,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:54:08,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:54:08,633 INFO L87 Difference]: Start difference. First operand 187601 states and 244353 transitions. Second operand 5 states. [2019-10-02 05:54:17,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:54:17,843 INFO L93 Difference]: Finished difference Result 187607 states and 244358 transitions. [2019-10-02 05:54:17,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:54:17,843 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 425 [2019-10-02 05:54:17,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:54:18,486 INFO L225 Difference]: With dead ends: 187607 [2019-10-02 05:54:18,487 INFO L226 Difference]: Without dead ends: 187605 [2019-10-02 05:54:18,556 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:54:18,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187605 states. [2019-10-02 05:54:23,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187605 to 187605. [2019-10-02 05:54:23,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187605 states. [2019-10-02 05:54:25,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187605 states to 187605 states and 244356 transitions. [2019-10-02 05:54:25,160 INFO L78 Accepts]: Start accepts. Automaton has 187605 states and 244356 transitions. Word has length 425 [2019-10-02 05:54:25,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:54:25,161 INFO L475 AbstractCegarLoop]: Abstraction has 187605 states and 244356 transitions. [2019-10-02 05:54:25,161 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:54:25,161 INFO L276 IsEmpty]: Start isEmpty. Operand 187605 states and 244356 transitions. [2019-10-02 05:54:25,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-10-02 05:54:25,164 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:54:25,165 INFO L411 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] [2019-10-02 05:54:25,165 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:54:25,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:54:25,166 INFO L82 PathProgramCache]: Analyzing trace with hash 465139275, now seen corresponding path program 1 times [2019-10-02 05:54:25,166 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:54:25,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:54:25,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:25,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:54:25,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:54:25,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4003 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3984 trivial. 0 not checked. [2019-10-02 05:54:25,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:54:25,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:54:25,635 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:54:25,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:54:25,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:54:25,636 INFO L87 Difference]: Start difference. First operand 187605 states and 244356 transitions. Second operand 5 states. [2019-10-02 05:54:32,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:54:32,376 INFO L93 Difference]: Finished difference Result 187611 states and 244361 transitions. [2019-10-02 05:54:32,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:54:32,377 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 430 [2019-10-02 05:54:32,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:54:32,938 INFO L225 Difference]: With dead ends: 187611 [2019-10-02 05:54:32,938 INFO L226 Difference]: Without dead ends: 187609 [2019-10-02 05:54:33,005 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:54:33,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187609 states. [2019-10-02 05:54:39,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187609 to 187609. [2019-10-02 05:54:39,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187609 states. [2019-10-02 05:54:39,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187609 states to 187609 states and 244359 transitions. [2019-10-02 05:54:39,886 INFO L78 Accepts]: Start accepts. Automaton has 187609 states and 244359 transitions. Word has length 430 [2019-10-02 05:54:39,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:54:39,887 INFO L475 AbstractCegarLoop]: Abstraction has 187609 states and 244359 transitions. [2019-10-02 05:54:39,887 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:54:39,888 INFO L276 IsEmpty]: Start isEmpty. Operand 187609 states and 244359 transitions. [2019-10-02 05:54:39,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2019-10-02 05:54:39,892 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:54:39,896 INFO L411 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] [2019-10-02 05:54:39,897 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:54:39,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:54:39,897 INFO L82 PathProgramCache]: Analyzing trace with hash -462448797, now seen corresponding path program 1 times [2019-10-02 05:54:39,897 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:54:39,897 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:54:39,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:39,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:54:39,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:54:40,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4025 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4004 trivial. 0 not checked. [2019-10-02 05:54:40,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:54:40,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:54:40,466 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:54:40,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:54:40,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:54:40,466 INFO L87 Difference]: Start difference. First operand 187609 states and 244359 transitions. Second operand 5 states. [2019-10-02 05:54:50,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:54:50,317 INFO L93 Difference]: Finished difference Result 187615 states and 244364 transitions. [2019-10-02 05:54:50,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:54:50,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 435 [2019-10-02 05:54:50,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:54:50,847 INFO L225 Difference]: With dead ends: 187615 [2019-10-02 05:54:50,847 INFO L226 Difference]: Without dead ends: 187613 [2019-10-02 05:54:50,909 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:54:51,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187613 states. [2019-10-02 05:54:57,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187613 to 187613. [2019-10-02 05:54:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187613 states. [2019-10-02 05:54:57,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187613 states to 187613 states and 244362 transitions. [2019-10-02 05:54:57,550 INFO L78 Accepts]: Start accepts. Automaton has 187613 states and 244362 transitions. Word has length 435 [2019-10-02 05:54:57,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:54:57,551 INFO L475 AbstractCegarLoop]: Abstraction has 187613 states and 244362 transitions. [2019-10-02 05:54:57,551 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:54:57,551 INFO L276 IsEmpty]: Start isEmpty. Operand 187613 states and 244362 transitions. [2019-10-02 05:54:57,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2019-10-02 05:54:57,555 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:54:57,556 INFO L411 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] [2019-10-02 05:54:57,556 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:54:57,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:54:57,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1046155360, now seen corresponding path program 1 times [2019-10-02 05:54:57,557 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:54:57,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:54:57,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:57,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:54:57,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:54:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:54:58,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4085 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 4057 trivial. 0 not checked. [2019-10-02 05:54:58,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:54:58,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:54:58,023 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:54:58,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:54:58,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:54:58,024 INFO L87 Difference]: Start difference. First operand 187613 states and 244362 transitions. Second operand 3 states. [2019-10-02 05:55:10,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:55:10,974 INFO L93 Difference]: Finished difference Result 436810 states and 569230 transitions. [2019-10-02 05:55:10,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:55:10,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 468 [2019-10-02 05:55:10,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:55:11,730 INFO L225 Difference]: With dead ends: 436810 [2019-10-02 05:55:11,731 INFO L226 Difference]: Without dead ends: 249350 [2019-10-02 05:55:12,012 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:55:12,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249350 states. [2019-10-02 05:55:20,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249350 to 249169. [2019-10-02 05:55:20,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249169 states. [2019-10-02 05:55:21,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249169 states to 249169 states and 324613 transitions. [2019-10-02 05:55:21,222 INFO L78 Accepts]: Start accepts. Automaton has 249169 states and 324613 transitions. Word has length 468 [2019-10-02 05:55:21,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:55:21,222 INFO L475 AbstractCegarLoop]: Abstraction has 249169 states and 324613 transitions. [2019-10-02 05:55:21,222 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:55:21,223 INFO L276 IsEmpty]: Start isEmpty. Operand 249169 states and 324613 transitions. [2019-10-02 05:55:21,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2019-10-02 05:55:21,226 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:55:21,227 INFO L411 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] [2019-10-02 05:55:21,227 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:55:21,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:55:21,228 INFO L82 PathProgramCache]: Analyzing trace with hash 991762462, now seen corresponding path program 1 times [2019-10-02 05:55:21,228 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:55:21,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:55:21,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:55:21,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:55:21,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:55:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:55:26,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4085 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 4057 trivial. 0 not checked. [2019-10-02 05:55:26,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:55:26,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:55:26,687 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:55:26,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:55:26,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:55:26,687 INFO L87 Difference]: Start difference. First operand 249169 states and 324613 transitions. Second operand 3 states. [2019-10-02 05:55:37,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:55:37,732 INFO L93 Difference]: Finished difference Result 559992 states and 729930 transitions. [2019-10-02 05:55:37,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:55:37,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 468 [2019-10-02 05:55:37,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:55:38,760 INFO L225 Difference]: With dead ends: 559992 [2019-10-02 05:55:38,760 INFO L226 Difference]: Without dead ends: 310976 [2019-10-02 05:55:39,177 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:55:39,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310976 states. [2019-10-02 05:55:55,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310976 to 310970. [2019-10-02 05:55:55,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310970 states. [2019-10-02 05:55:57,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310970 states to 310970 states and 405109 transitions. [2019-10-02 05:55:57,496 INFO L78 Accepts]: Start accepts. Automaton has 310970 states and 405109 transitions. Word has length 468 [2019-10-02 05:55:57,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:55:57,497 INFO L475 AbstractCegarLoop]: Abstraction has 310970 states and 405109 transitions. [2019-10-02 05:55:57,497 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:55:57,498 INFO L276 IsEmpty]: Start isEmpty. Operand 310970 states and 405109 transitions. [2019-10-02 05:55:57,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2019-10-02 05:55:57,501 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:55:57,502 INFO L411 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] [2019-10-02 05:55:57,502 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:55:57,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:55:57,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1770554101, now seen corresponding path program 1 times [2019-10-02 05:55:57,503 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:55:57,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:55:57,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:55:57,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:55:57,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:55:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:55:57,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4051 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 4028 trivial. 0 not checked. [2019-10-02 05:55:57,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:55:57,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:55:57,871 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:55:57,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:55:57,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:55:57,871 INFO L87 Difference]: Start difference. First operand 310970 states and 405109 transitions. Second operand 5 states. [2019-10-02 05:56:10,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:56:10,177 INFO L93 Difference]: Finished difference Result 324698 states and 419200 transitions. [2019-10-02 05:56:10,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:56:10,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 440 [2019-10-02 05:56:10,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:56:11,756 INFO L225 Difference]: With dead ends: 324698 [2019-10-02 05:56:11,756 INFO L226 Difference]: Without dead ends: 324696 [2019-10-02 05:56:11,846 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:56:12,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324696 states. [2019-10-02 05:56:31,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324696 to 324694. [2019-10-02 05:56:31,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324694 states. [2019-10-02 05:56:32,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324694 states to 324694 states and 419197 transitions. [2019-10-02 05:56:32,968 INFO L78 Accepts]: Start accepts. Automaton has 324694 states and 419197 transitions. Word has length 440 [2019-10-02 05:56:32,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:56:32,969 INFO L475 AbstractCegarLoop]: Abstraction has 324694 states and 419197 transitions. [2019-10-02 05:56:32,969 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:56:32,969 INFO L276 IsEmpty]: Start isEmpty. Operand 324694 states and 419197 transitions. [2019-10-02 05:56:32,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2019-10-02 05:56:32,973 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:56:32,973 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 9, 8, 8, 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] [2019-10-02 05:56:32,974 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:56:32,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:56:32,974 INFO L82 PathProgramCache]: Analyzing trace with hash -178128861, now seen corresponding path program 1 times [2019-10-02 05:56:32,974 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:56:32,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:56:32,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:56:32,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:56:32,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:56:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:56:33,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4081 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4056 trivial. 0 not checked. [2019-10-02 05:56:33,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:56:33,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:56:33,360 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:56:33,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:56:33,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:56:33,361 INFO L87 Difference]: Start difference. First operand 324694 states and 419197 transitions. Second operand 5 states. [2019-10-02 05:56:41,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:56:41,714 INFO L93 Difference]: Finished difference Result 324700 states and 419202 transitions. [2019-10-02 05:56:41,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:56:41,719 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 445 [2019-10-02 05:56:41,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:56:42,751 INFO L225 Difference]: With dead ends: 324700 [2019-10-02 05:56:42,751 INFO L226 Difference]: Without dead ends: 324698 [2019-10-02 05:56:42,846 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:56:43,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324698 states. [2019-10-02 05:57:03,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324698 to 324698. [2019-10-02 05:57:03,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324698 states. [2019-10-02 05:57:04,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324698 states to 324698 states and 419200 transitions. [2019-10-02 05:57:04,274 INFO L78 Accepts]: Start accepts. Automaton has 324698 states and 419200 transitions. Word has length 445 [2019-10-02 05:57:04,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:57:04,275 INFO L475 AbstractCegarLoop]: Abstraction has 324698 states and 419200 transitions. [2019-10-02 05:57:04,275 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:57:04,275 INFO L276 IsEmpty]: Start isEmpty. Operand 324698 states and 419200 transitions. [2019-10-02 05:57:04,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2019-10-02 05:57:04,280 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:57:04,281 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 10, 9, 9, 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] [2019-10-02 05:57:04,281 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:57:04,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:57:04,282 INFO L82 PathProgramCache]: Analyzing trace with hash 148178391, now seen corresponding path program 1 times [2019-10-02 05:57:04,282 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:57:04,282 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:57:04,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:57:04,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:57:04,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:57:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:57:05,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4151 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4127 trivial. 0 not checked. [2019-10-02 05:57:05,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:57:05,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:57:05,328 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:57:05,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:57:05,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:57:05,328 INFO L87 Difference]: Start difference. First operand 324698 states and 419200 transitions. Second operand 5 states. [2019-10-02 05:57:14,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:57:14,687 INFO L93 Difference]: Finished difference Result 324704 states and 419205 transitions. [2019-10-02 05:57:14,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:57:14,687 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 479 [2019-10-02 05:57:14,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:57:15,785 INFO L225 Difference]: With dead ends: 324704 [2019-10-02 05:57:15,785 INFO L226 Difference]: Without dead ends: 324702 [2019-10-02 05:57:15,896 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:57:16,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324702 states. [2019-10-02 05:57:35,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324702 to 324702. [2019-10-02 05:57:35,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324702 states. [2019-10-02 05:57:36,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324702 states to 324702 states and 419203 transitions. [2019-10-02 05:57:36,370 INFO L78 Accepts]: Start accepts. Automaton has 324702 states and 419203 transitions. Word has length 479 [2019-10-02 05:57:36,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:57:36,370 INFO L475 AbstractCegarLoop]: Abstraction has 324702 states and 419203 transitions. [2019-10-02 05:57:36,370 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:57:36,371 INFO L276 IsEmpty]: Start isEmpty. Operand 324702 states and 419203 transitions. [2019-10-02 05:57:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2019-10-02 05:57:36,375 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:57:36,375 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 11, 10, 10, 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] [2019-10-02 05:57:36,375 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:57:36,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:57:36,376 INFO L82 PathProgramCache]: Analyzing trace with hash -460308905, now seen corresponding path program 1 times [2019-10-02 05:57:36,376 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:57:36,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:57:36,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:57:36,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:57:36,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:57:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:57:38,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4189 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4163 trivial. 0 not checked. [2019-10-02 05:57:38,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:57:38,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:57:38,113 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:57:38,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:57:38,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:57:38,113 INFO L87 Difference]: Start difference. First operand 324702 states and 419203 transitions. Second operand 5 states. [2019-10-02 05:58:02,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:58:02,772 INFO L93 Difference]: Finished difference Result 630007 states and 821621 transitions. [2019-10-02 05:58:02,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 05:58:02,772 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 484 [2019-10-02 05:58:02,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:58:05,344 INFO L225 Difference]: With dead ends: 630007 [2019-10-02 05:58:05,345 INFO L226 Difference]: Without dead ends: 630005 [2019-10-02 05:58:05,552 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:58:06,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630005 states. [2019-10-02 05:58:43,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630005 to 629722. [2019-10-02 05:58:43,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629722 states. [2019-10-02 05:58:45,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629722 states to 629722 states and 821340 transitions. [2019-10-02 05:58:45,259 INFO L78 Accepts]: Start accepts. Automaton has 629722 states and 821340 transitions. Word has length 484 [2019-10-02 05:58:45,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:58:45,260 INFO L475 AbstractCegarLoop]: Abstraction has 629722 states and 821340 transitions. [2019-10-02 05:58:45,260 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:58:45,260 INFO L276 IsEmpty]: Start isEmpty. Operand 629722 states and 821340 transitions. [2019-10-02 05:58:45,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2019-10-02 05:58:45,265 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:58:45,265 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 12, 11, 11, 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] [2019-10-02 05:58:45,265 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:58:45,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:58:45,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1885246057, now seen corresponding path program 1 times [2019-10-02 05:58:45,266 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:58:45,266 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:58:45,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:58:45,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:58:45,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:58:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:58:45,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4231 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 4203 trivial. 0 not checked. [2019-10-02 05:58:45,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:58:45,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:58:45,607 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:58:45,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:58:45,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:58:45,608 INFO L87 Difference]: Start difference. First operand 629722 states and 821340 transitions. Second operand 5 states. [2019-10-02 05:59:13,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:59:13,774 INFO L93 Difference]: Finished difference Result 629732 states and 821349 transitions. [2019-10-02 05:59:13,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:59:13,777 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 489 [2019-10-02 05:59:13,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:59:16,991 INFO L225 Difference]: With dead ends: 629732 [2019-10-02 05:59:16,991 INFO L226 Difference]: Without dead ends: 629730 [2019-10-02 05:59:17,213 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:59:17,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629730 states. [2019-10-02 05:59:57,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629730 to 629730. [2019-10-02 05:59:57,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629730 states. [2019-10-02 05:59:59,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629730 states to 629730 states and 821346 transitions. [2019-10-02 05:59:59,891 INFO L78 Accepts]: Start accepts. Automaton has 629730 states and 821346 transitions. Word has length 489 [2019-10-02 05:59:59,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:59:59,892 INFO L475 AbstractCegarLoop]: Abstraction has 629730 states and 821346 transitions. [2019-10-02 05:59:59,892 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:59:59,892 INFO L276 IsEmpty]: Start isEmpty. Operand 629730 states and 821346 transitions. [2019-10-02 05:59:59,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2019-10-02 05:59:59,895 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:59:59,896 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 13, 12, 12, 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, 1, 1] [2019-10-02 05:59:59,896 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:59:59,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:59:59,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1779825059, now seen corresponding path program 1 times [2019-10-02 05:59:59,896 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:59:59,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:59:59,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:59:59,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:59:59,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:59:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:00:01,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4241 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 4208 trivial. 0 not checked. [2019-10-02 06:00:01,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:00:01,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 06:00:01,544 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 06:00:01,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 06:00:01,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 06:00:01,545 INFO L87 Difference]: Start difference. First operand 629730 states and 821346 transitions. Second operand 5 states. [2019-10-02 06:00:30,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 06:00:30,761 INFO L93 Difference]: Finished difference Result 629740 states and 821355 transitions. [2019-10-02 06:00:30,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 06:00:30,761 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 465 [2019-10-02 06:00:30,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 06:00:32,736 INFO L225 Difference]: With dead ends: 629740 [2019-10-02 06:00:32,736 INFO L226 Difference]: Without dead ends: 629738 [2019-10-02 06:00:32,909 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 06:00:33,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629738 states. [2019-10-02 06:01:14,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629738 to 629738. [2019-10-02 06:01:14,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629738 states. [2019-10-02 06:01:16,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629738 states to 629738 states and 821352 transitions. [2019-10-02 06:01:16,818 INFO L78 Accepts]: Start accepts. Automaton has 629738 states and 821352 transitions. Word has length 465 [2019-10-02 06:01:16,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 06:01:16,819 INFO L475 AbstractCegarLoop]: Abstraction has 629738 states and 821352 transitions. [2019-10-02 06:01:16,819 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 06:01:16,819 INFO L276 IsEmpty]: Start isEmpty. Operand 629738 states and 821352 transitions. [2019-10-02 06:01:16,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2019-10-02 06:01:16,823 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 06:01:16,824 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 14, 13, 13, 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, 1, 1] [2019-10-02 06:01:16,824 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 06:01:16,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 06:01:16,824 INFO L82 PathProgramCache]: Analyzing trace with hash -649013929, now seen corresponding path program 1 times [2019-10-02 06:01:16,824 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 06:01:16,825 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 06:01:16,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:01:16,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 06:01:16,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 06:01:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 06:01:18,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4327 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 4295 trivial. 0 not checked. [2019-10-02 06:01:18,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 06:01:18,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 06:01:18,936 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 06:01:18,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 06:01:18,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 06:01:18,937 INFO L87 Difference]: Start difference. First operand 629738 states and 821352 transitions. Second operand 5 states.