java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 00:18:49,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 00:18:49,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 00:18:49,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 00:18:49,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 00:18:49,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 00:18:49,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 00:18:49,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 00:18:49,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 00:18:49,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 00:18:49,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 00:18:49,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 00:18:49,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 00:18:49,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 00:18:49,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 00:18:49,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 00:18:49,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 00:18:49,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 00:18:49,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 00:18:49,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 00:18:49,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 00:18:49,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 00:18:49,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 00:18:49,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 00:18:49,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 00:18:49,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 00:18:49,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 00:18:49,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 00:18:49,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 00:18:49,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 00:18:49,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 00:18:49,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 00:18:49,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 00:18:49,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 00:18:49,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 00:18:49,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 00:18:49,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 00:18:49,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 00:18:49,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 00:18:49,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 00:18:49,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 00:18:49,511 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 00:18:49,534 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 00:18:49,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 00:18:49,535 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 00:18:49,535 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 00:18:49,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 00:18:49,536 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 00:18:49,536 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 00:18:49,537 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 00:18:49,537 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 00:18:49,537 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 00:18:49,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 00:18:49,538 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 00:18:49,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 00:18:49,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 00:18:49,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 00:18:49,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 00:18:49,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 00:18:49,539 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 00:18:49,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 00:18:49,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 00:18:49,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 00:18:49,540 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 00:18:49,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 00:18:49,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:18:49,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 00:18:49,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 00:18:49,541 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 00:18:49,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 00:18:49,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 00:18:49,542 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 00:18:49,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 00:18:49,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 00:18:49,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 00:18:49,591 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 00:18:49,592 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 00:18:49,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2019-10-03 00:18:49,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/501462e26/a245a0e9eff748cd844f6234da81e9aa/FLAGebf5e7d8b [2019-10-03 00:18:50,622 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 00:18:50,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2019-10-03 00:18:50,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/501462e26/a245a0e9eff748cd844f6234da81e9aa/FLAGebf5e7d8b [2019-10-03 00:18:51,063 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/501462e26/a245a0e9eff748cd844f6234da81e9aa [2019-10-03 00:18:51,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 00:18:51,077 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 00:18:51,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 00:18:51,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 00:18:51,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 00:18:51,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:18:51" (1/1) ... [2019-10-03 00:18:51,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2066b6ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:18:51, skipping insertion in model container [2019-10-03 00:18:51,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:18:51" (1/1) ... [2019-10-03 00:18:51,094 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 00:18:51,284 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 00:18:56,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:18:56,342 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 00:18:56,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:18:57,897 INFO L192 MainTranslator]: Completed translation [2019-10-03 00:18:57,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:18:57 WrapperNode [2019-10-03 00:18:57,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 00:18:57,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 00:18:57,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 00:18:57,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 00:18:57,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:18:57" (1/1) ... [2019-10-03 00:18:57,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:18:57" (1/1) ... [2019-10-03 00:18:58,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:18:57" (1/1) ... [2019-10-03 00:18:58,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:18:57" (1/1) ... [2019-10-03 00:18:58,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:18:57" (1/1) ... [2019-10-03 00:18:58,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:18:57" (1/1) ... [2019-10-03 00:18:58,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:18:57" (1/1) ... [2019-10-03 00:18:58,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 00:18:58,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 00:18:58,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 00:18:58,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 00:18:58,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:18:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:18:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 00:18:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 00:18:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-10-03 00:18:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-03 00:18:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-03 00:18:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-03 00:18:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-03 00:18:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-03 00:18:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-03 00:18:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-03 00:18:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2019-10-03 00:18:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-03 00:18:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-03 00:18:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-03 00:18:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-03 00:18:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-03 00:18:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2019-10-03 00:18:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2019-10-03 00:18:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab64p [2019-10-03 00:18:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __be64_to_cpup [2019-10-03 00:18:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2019-10-03 00:18:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-03 00:18:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2019-10-03 00:18:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2019-10-03 00:18:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-03 00:18:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-03 00:18:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2019-10-03 00:18:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-03 00:18:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-03 00:18:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2019-10-03 00:18:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-10-03 00:18:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-10-03 00:18:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_static_branch [2019-10-03 00:18:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure static_key_false [2019-10-03 00:18:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-03 00:18:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-03 00:18:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-10-03 00:18:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-10-03 00:18:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_sched_notrace [2019-10-03 00:18:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-03 00:18:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-03 00:18:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be64 [2019-10-03 00:18:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_decode_hyper [2019-10-03 00:18:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-03 00:18:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-03 00:18:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-03 00:18:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2019-10-03 00:18:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-10-03 00:18:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2019-10-03 00:18:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SB [2019-10-03 00:18:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2019-10-03 00:18:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_CLIENT [2019-10-03 00:18:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2019-10-03 00:18:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_lock_request [2019-10-03 00:18:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_list_add_request [2019-10-03 00:18:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_list_entry [2019-10-03 00:18:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2019-10-03 00:18:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2019-10-03 00:18:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_enabled_sb [2019-10-03 00:18:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_return_layout [2019-10-03 00:18:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2019-10-03 00:18:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2019-10-03 00:18:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2019-10-03 00:18:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_invalid [2019-10-03 00:18:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_nfs4_pnfs_read [2019-10-03 00:18:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_nfs4_pnfs_write [2019-10-03 00:18:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_nfs4_pnfs_commit_ds [2019-10-03 00:18:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dense_offset [2019-10-03 00:18:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2019-10-03 00:18:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2019-10-03 00:18:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2019-10-03 00:18:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2019-10-03 00:18:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_async_handle_error [2019-10-03 00:18:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_done_cb [2019-10-03 00:18:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_set_layoutcommit [2019-10-03 00:18:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2019-10-03 00:18:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2019-10-03 00:18:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2019-10-03 00:18:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2019-10-03 00:18:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2019-10-03 00:18:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2019-10-03 00:18:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_done_cb [2019-10-03 00:18:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2019-10-03 00:18:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_done_cb [2019-10-03 00:18:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2019-10-03 00:18:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2019-10-03 00:18:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2019-10-03 00:18:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2019-10-03 00:18:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2019-10-03 00:18:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2019-10-03 00:18:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2019-10-03 00:18:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2019-10-03 00:18:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2019-10-03 00:18:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2019-10-03 00:18:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_check_layout [2019-10-03 00:18:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2019-10-03 00:18:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2019-10-03 00:18:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_decode_layout [2019-10-03 00:18:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2019-10-03 00:18:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_commit_info [2019-10-03 00:18:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2019-10-03 00:18:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2019-10-03 00:18:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2019-10-03 00:18:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2019-10-03 00:18:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure select_bucket_index [2019-10-03 00:18:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2019-10-03 00:18:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_choose_commit_list [2019-10-03 00:18:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2019-10-03 00:18:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_ds_index_from_commit [2019-10-03 00:18:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure select_ds_fh_from_commit [2019-10-03 00:18:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_initiate_commit [2019-10-03 00:18:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2019-10-03 00:18:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_ds_commit_list [2019-10-03 00:18:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2019-10-03 00:18:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2019-10-03 00:18:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_ds_commits [2019-10-03 00:18:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2019-10-03 00:18:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2019-10-03 00:18:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2019-10-03 00:18:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2019-10-03 00:18:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2019-10-03 00:18:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4filelayout_init [2019-10-03 00:18:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4filelayout_exit [2019-10-03 00:18:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2019-10-03 00:18:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_nfs4filelayout_init_5_11 [2019-10-03 00:18:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-10-03 00:18:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_1_5_4 [2019-10-03 00:18:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_2_5_5 [2019-10-03 00:18:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_1_5_6 [2019-10-03 00:18:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_2_5_7 [2019-10-03 00:18:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_12 [2019-10-03 00:18:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_15 [2019-10-03 00:18:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-10-03 00:18:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_9 [2019-10-03 00:18:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-10-03 00:18:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-10-03 00:18:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-03 00:18:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-10-03 00:18:58,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_12 [2019-10-03 00:18:58,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_15 [2019-10-03 00:18:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-10-03 00:18:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_9 [2019-10-03 00:18:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_12 [2019-10-03 00:18:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_13 [2019-10-03 00:18:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_16 [2019-10-03 00:18:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_17 [2019-10-03 00:18:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_18 [2019-10-03 00:18:58,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_19 [2019-10-03 00:18:58,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_20 [2019-10-03 00:18:58,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_21 [2019-10-03 00:18:58,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_22 [2019-10-03 00:18:58,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_23 [2019-10-03 00:18:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_26 [2019-10-03 00:18:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_27 [2019-10-03 00:18:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_28 [2019-10-03 00:18:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-03 00:18:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_31 [2019-10-03 00:18:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_9 [2019-10-03 00:18:58,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_12 [2019-10-03 00:18:58,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_13 [2019-10-03 00:18:58,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_16 [2019-10-03 00:18:58,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_17 [2019-10-03 00:18:58,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_18 [2019-10-03 00:18:58,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_19 [2019-10-03 00:18:58,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_20 [2019-10-03 00:18:58,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_21 [2019-10-03 00:18:58,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_22 [2019-10-03 00:18:58,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_23 [2019-10-03 00:18:58,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_26 [2019-10-03 00:18:58,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_27 [2019-10-03 00:18:58,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_28 [2019-10-03 00:18:58,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-03 00:18:58,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_31 [2019-10-03 00:18:58,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_9 [2019-10-03 00:18:58,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_5 [2019-10-03 00:18:58,522 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 00:18:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-10-03 00:18:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_0 [2019-10-03 00:18:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_1 [2019-10-03 00:18:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_2 [2019-10-03 00:18:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-10-03 00:18:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-10-03 00:18:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-10-03 00:18:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_5 [2019-10-03 00:18:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-10-03 00:18:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2019-10-03 00:18:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_1 [2019-10-03 00:18:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_5 [2019-10-03 00:18:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-03 00:18:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-03 00:18:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2019-10-03 00:18:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2019-10-03 00:18:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2019-10-03 00:18:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2019-10-03 00:18:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-03 00:18:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-03 00:18:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-03 00:18:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_on_bit [2019-10-03 00:18:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipv6_addr_src_scope [2019-10-03 00:18:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_addr_src_scope [2019-10-03 00:18:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_addr_equal [2019-10-03 00:18:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_page_array_len [2019-10-03 00:18:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_devid_invalid [2019-10-03 00:18:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ds [2019-10-03 00:18:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure same_sockaddr [2019-10-03 00:18:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure _same_data_server_addrs_locked [2019-10-03 00:18:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure _data_server_lookup_locked [2019-10-03 00:18:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_ds_connect [2019-10-03 00:18:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_ds [2019-10-03 00:18:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2019-10-03 00:18:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_pnfs_remotestr [2019-10-03 00:18:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_pnfs_ds_add [2019-10-03 00:18:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_ds_addr [2019-10-03 00:18:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_device [2019-10-03 00:18:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_and_add_device [2019-10-03 00:18:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_device_info [2019-10-03 00:18:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2019-10-03 00:18:58,530 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2019-10-03 00:18:58,530 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2019-10-03 00:18:58,530 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2019-10-03 00:18:58,530 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_wait_ds_connect [2019-10-03 00:18:58,530 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_clear_ds_conn_bit [2019-10-03 00:18:58,530 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2019-10-03 00:18:58,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_3 [2019-10-03 00:18:58,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_4 [2019-10-03 00:18:58,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-10-03 00:18:58,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_5 [2019-10-03 00:18:58,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-10-03 00:18:58,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_5 [2019-10-03 00:18:58,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-03 00:18:58,532 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-03 00:18:58,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_atomic_dec_and_lock_79 [2019-10-03 00:18:58,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80___0 [2019-10-03 00:18:58,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81___0 [2019-10-03 00:18:58,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-03 00:18:58,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-03 00:18:58,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-03 00:18:58,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 00:18:58,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 00:18:58,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 00:18:58,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 00:18:58,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-03 00:18:58,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-03 00:18:58,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-03 00:18:58,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-03 00:18:58,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-03 00:18:58,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-03 00:18:58,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 00:18:58,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 00:18:58,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-03 00:18:58,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 00:18:58,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-03 00:18:58,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 00:18:58,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-03 00:18:58,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-03 00:18:58,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-03 00:18:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-03 00:18:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-03 00:18:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-03 00:18:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-03 00:18:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 00:18:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 00:18:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 00:18:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-03 00:18:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-03 00:18:58,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-03 00:18:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-03 00:18:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-03 00:18:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-03 00:18:58,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-03 00:18:58,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-03 00:18:58,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-03 00:18:58,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-03 00:18:58,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-03 00:18:58,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-03 00:18:58,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-03 00:18:58,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-03 00:18:58,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-03 00:18:58,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-03 00:18:58,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-03 00:18:58,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-03 00:18:58,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-03 00:18:58,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-03 00:18:58,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-03 00:18:58,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-03 00:18:58,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-03 00:18:58,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-03 00:18:58,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-03 00:18:58,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-03 00:18:58,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-03 00:18:58,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-03 00:18:58,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-03 00:18:58,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-03 00:18:58,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cl_lock_of_nfs_client [2019-10-03 00:18:58,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_cl_lock_of_nfs_client [2019-10-03 00:18:58,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_cl_lock_of_nfs_client [2019-10-03 00:18:58,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_cl_lock_of_nfs_client [2019-10-03 00:18:58,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_cl_lock_of_nfs_client [2019-10-03 00:18:58,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_cl_lock_of_nfs_client [2019-10-03 00:18:58,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_cl_lock_of_nfs_client [2019-10-03 00:18:58,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_cl_lock_of_nfs_client [2019-10-03 00:18:58,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-10-03 00:18:58,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-03 00:18:58,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-03 00:18:58,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-03 00:18:58,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-03 00:18:58,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-03 00:18:58,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-03 00:18:58,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-03 00:18:58,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-10-03 00:18:58,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-10-03 00:18:58,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-10-03 00:18:58,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-10-03 00:18:58,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-10-03 00:18:58,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-10-03 00:18:58,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-10-03 00:18:58,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-10-03 00:18:58,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_nfs_commit_info [2019-10-03 00:18:58,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_nfs_commit_info [2019-10-03 00:18:58,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_nfs_commit_info [2019-10-03 00:18:58,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_nfs_commit_info [2019-10-03 00:18:58,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_nfs_commit_info [2019-10-03 00:18:58,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_nfs_commit_info [2019-10-03 00:18:58,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_nfs_commit_info [2019-10-03 00:18:58,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_nfs_commit_info [2019-10-03 00:18:58,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_res_counter [2019-10-03 00:18:58,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_res_counter [2019-10-03 00:18:58,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_res_counter [2019-10-03 00:18:58,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_res_counter [2019-10-03 00:18:58,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_res_counter [2019-10-03 00:18:58,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_res_counter [2019-10-03 00:18:58,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_res_counter [2019-10-03 00:18:58,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2019-10-03 00:18:58,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-03 00:18:58,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-03 00:18:58,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-03 00:18:58,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-03 00:18:58,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-03 00:18:58,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-03 00:18:58,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-03 00:18:58,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-03 00:18:58,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_nfs4_ds_cache_lock [2019-10-03 00:18:58,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_nfs4_ds_cache_lock [2019-10-03 00:18:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_nfs4_ds_cache_lock [2019-10-03 00:18:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_nfs4_ds_cache_lock [2019-10-03 00:18:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_nfs4_ds_cache_lock [2019-10-03 00:18:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_nfs4_ds_cache_lock [2019-10-03 00:18:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_nfs4_ds_cache_lock [2019-10-03 00:18:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_nfs4_ds_cache_lock [2019-10-03 00:18:58,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-03 00:18:58,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-03 00:18:58,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-03 00:18:58,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-03 00:18:58,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-03 00:18:58,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-03 00:18:58,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-03 00:18:58,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-03 00:18:58,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-10-03 00:18:58,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-10-03 00:18:58,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-10-03 00:18:58,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-10-03 00:18:58,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-10-03 00:18:58,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-10-03 00:18:58,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-10-03 00:18:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-10-03 00:18:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-03 00:18:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-03 00:18:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-03 00:18:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-03 00:18:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-03 00:18:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-03 00:18:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-03 00:18:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-03 00:18:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_sk_dst_lock_of_sock [2019-10-03 00:18:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2019-10-03 00:18:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2019-10-03 00:18:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2019-10-03 00:18:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2019-10-03 00:18:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2019-10-03 00:18:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2019-10-03 00:18:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2019-10-03 00:18:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-03 00:18:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-03 00:18:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-03 00:18:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-03 00:18:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-03 00:18:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-03 00:18:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-03 00:18:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-03 00:18:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 00:18:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-10-03 00:18:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-03 00:18:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-03 00:18:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-03 00:18:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-03 00:18:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __cond_resched_lock [2019-10-03 00:18:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2019-10-03 00:18:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipv6_addr_type [2019-10-03 00:18:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_atomic_dec_and_lock [2019-10-03 00:18:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-03 00:18:58,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-03 00:18:58,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-03 00:18:58,575 INFO L138 BoogieDeclarations]: Found implementation of procedure _pnfs_return_layout [2019-10-03 00:18:58,575 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-03 00:18:58,575 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-03 00:18:58,575 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-10-03 00:18:58,575 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-03 00:18:58,576 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-03 00:18:58,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-03 00:18:58,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-03 00:18:58,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-03 00:18:58,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 00:18:58,578 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2019-10-03 00:18:58,578 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-10-03 00:18:58,578 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2019-10-03 00:18:58,578 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2019-10-03 00:18:58,579 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_get_deviceid [2019-10-03 00:18:58,579 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2019-10-03 00:18:58,579 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_init_deviceid_node [2019-10-03 00:18:58,579 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_init_ds_session [2019-10-03 00:18:58,579 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_insert_deviceid_node [2019-10-03 00:18:58,579 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2019-10-03 00:18:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2019-10-03 00:18:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_proc_getdeviceinfo [2019-10-03 00:18:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_put_deviceid_node [2019-10-03 00:18:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_schedule_lease_recovery [2019-10-03 00:18:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_schedule_session_recovery [2019-10-03 00:18:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_schedule_stateid_recovery [2019-10-03 00:18:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_ds_client [2019-10-03 00:18:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2019-10-03 00:18:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_test_deviceid_unavailable [2019-10-03 00:18:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2019-10-03 00:18:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_release [2019-10-03 00:18:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_generic_pg_test [2019-10-03 00:18:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_cinfo [2019-10-03 00:18:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2019-10-03 00:18:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2019-10-03 00:18:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_read [2019-10-03 00:18:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_write [2019-10-03 00:18:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2019-10-03 00:18:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_write_mds [2019-10-03 00:18:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2019-10-03 00:18:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_remove_bad_delegation [2019-10-03 00:18:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_add_commit_list [2019-10-03 00:18:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2019-10-03 00:18:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2019-10-03 00:18:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure out_of_line_wait_on_bit [2019-10-03 00:18:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_destroy_layout [2019-10-03 00:18:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_readpages [2019-10-03 00:18:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_test [2019-10-03 00:18:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_writepages [2019-10-03 00:18:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2019-10-03 00:18:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_read_done_resend_to_mds [2019-10-03 00:18:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_register_layoutdriver [2019-10-03 00:18:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_set_layoutcommit [2019-10-03 00:18:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_unregister_layoutdriver [2019-10-03 00:18:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2019-10-03 00:18:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_write_done_resend_to_mds [2019-10-03 00:18:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 00:18:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-10-03 00:18:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2019-10-03 00:18:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2019-10-03 00:18:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_delay [2019-10-03 00:18:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2019-10-03 00:18:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pton [2019-10-03 00:18:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_restart_call_prepare [2019-10-03 00:18:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_sleep_on [2019-10-03 00:18:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_wake_up [2019-10-03 00:18:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_wake_up_queued_task [2019-10-03 00:18:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_bit [2019-10-03 00:18:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-03 00:18:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2019-10-03 00:18:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2019-10-03 00:18:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2019-10-03 00:18:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 00:18:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 00:18:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 00:18:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 00:18:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 00:18:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 00:18:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 00:18:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-03 00:18:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-03 00:18:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 00:18:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-03 00:18:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-03 00:18:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 00:18:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-03 00:18:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-03 00:18:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-03 00:18:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-03 00:18:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2019-10-03 00:18:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-03 00:18:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-03 00:18:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-03 00:18:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-03 00:18:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 00:18:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-03 00:18:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2019-10-03 00:18:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2019-10-03 00:18:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure __swab64p [2019-10-03 00:18:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure __be64_to_cpup [2019-10-03 00:18:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2019-10-03 00:18:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 00:18:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-03 00:18:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-03 00:18:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 00:18:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-03 00:18:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-03 00:18:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2019-10-03 00:18:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 00:18:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2019-10-03 00:18:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 00:18:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 00:18:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-03 00:18:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-03 00:18:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-03 00:18:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-03 00:18:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2019-10-03 00:18:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-03 00:18:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-03 00:18:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2019-10-03 00:18:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-10-03 00:18:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_nfs_commit_info [2019-10-03 00:18:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_nfs_commit_info [2019-10-03 00:18:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 00:18:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-03 00:18:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 00:18:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-03 00:18:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 00:18:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 00:18:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-03 00:18:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-03 00:18:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-03 00:18:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2019-10-03 00:18:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-10-03 00:18:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-10-03 00:18:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure arch_static_branch [2019-10-03 00:18:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure static_key_false [2019-10-03 00:18:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-03 00:18:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-03 00:18:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-03 00:18:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2019-10-03 00:18:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-03 00:18:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2019-10-03 00:18:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-10-03 00:18:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2019-10-03 00:18:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-03 00:18:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-10-03 00:18:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-10-03 00:18:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_sched_notrace [2019-10-03 00:18:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-10-03 00:18:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-03 00:18:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2019-10-03 00:18:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-03 00:18:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be64 [2019-10-03 00:18:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_decode_hyper [2019-10-03 00:18:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2019-10-03 00:18:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2019-10-03 00:18:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2019-10-03 00:18:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2019-10-03 00:18:58,603 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_sleep_on [2019-10-03 00:18:58,603 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_wake_up_queued_task [2019-10-03 00:18:58,603 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_wake_up [2019-10-03 00:18:58,603 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_delay [2019-10-03 00:18:58,603 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 00:18:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 00:18:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-03 00:18:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-03 00:18:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-03 00:18:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2019-10-03 00:18:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-10-03 00:18:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-03 00:18:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure __cond_resched_lock [2019-10-03 00:18:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_restart_call_prepare [2019-10-03 00:18:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2019-10-03 00:18:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SB [2019-10-03 00:18:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2019-10-03 00:18:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_CLIENT [2019-10-03 00:18:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2019-10-03 00:18:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2019-10-03 00:18:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_generic_pg_test [2019-10-03 00:18:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_lock_request [2019-10-03 00:18:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_list_add_request [2019-10-03 00:18:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_list_entry [2019-10-03 00:18:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2019-10-03 00:18:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2019-10-03 00:18:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2019-10-03 00:18:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2019-10-03 00:18:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2019-10-03 00:18:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_schedule_session_recovery [2019-10-03 00:18:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_schedule_lease_recovery [2019-10-03 00:18:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_schedule_stateid_recovery [2019-10-03 00:18:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2019-10-03 00:18:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2019-10-03 00:18:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_read [2019-10-03 00:18:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2019-10-03 00:18:58,609 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_write_mds [2019-10-03 00:18:58,609 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_write [2019-10-03 00:18:58,609 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2019-10-03 00:18:58,609 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2019-10-03 00:18:58,609 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2019-10-03 00:18:58,609 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_release [2019-10-03 00:18:58,610 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_add_commit_list [2019-10-03 00:18:58,610 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2019-10-03 00:18:58,610 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_cinfo [2019-10-03 00:18:58,610 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_remove_bad_delegation [2019-10-03 00:18:58,610 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_register_layoutdriver [2019-10-03 00:18:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_unregister_layoutdriver [2019-10-03 00:18:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2019-10-03 00:18:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_readpages [2019-10-03 00:18:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_writepages [2019-10-03 00:18:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_test [2019-10-03 00:18:58,611 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_destroy_layout [2019-10-03 00:18:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_set_layoutcommit [2019-10-03 00:18:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure _pnfs_return_layout [2019-10-03 00:18:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2019-10-03 00:18:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_read_done_resend_to_mds [2019-10-03 00:18:58,612 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_write_done_resend_to_mds [2019-10-03 00:18:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_get_deviceid [2019-10-03 00:18:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2019-10-03 00:18:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_test_deviceid_unavailable [2019-10-03 00:18:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2019-10-03 00:18:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_enabled_sb [2019-10-03 00:18:58,613 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_return_layout [2019-10-03 00:18:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2019-10-03 00:18:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2019-10-03 00:18:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2019-10-03 00:18:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2019-10-03 00:18:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_invalid [2019-10-03 00:18:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2019-10-03 00:18:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2019-10-03 00:18:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2019-10-03 00:18:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2019-10-03 00:18:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2019-10-03 00:18:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2019-10-03 00:18:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2019-10-03 00:18:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_device_info [2019-10-03 00:18:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure trace_nfs4_pnfs_read [2019-10-03 00:18:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-10-03 00:18:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure trace_nfs4_pnfs_write [2019-10-03 00:18:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure trace_nfs4_pnfs_commit_ds [2019-10-03 00:18:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dense_offset [2019-10-03 00:18:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2019-10-03 00:18:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2019-10-03 00:18:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2019-10-03 00:18:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2019-10-03 00:18:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_async_handle_error [2019-10-03 00:18:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_done_cb [2019-10-03 00:18:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_set_layoutcommit [2019-10-03 00:18:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2019-10-03 00:18:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2019-10-03 00:18:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2019-10-03 00:18:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-03 00:18:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2019-10-03 00:18:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2019-10-03 00:18:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-03 00:18:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_done_cb [2019-10-03 00:18:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2019-10-03 00:18:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 00:18:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_done_cb [2019-10-03 00:18:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2019-10-03 00:18:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2019-10-03 00:18:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2019-10-03 00:18:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2019-10-03 00:18:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2019-10-03 00:18:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2019-10-03 00:18:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2019-10-03 00:18:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2019-10-03 00:18:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2019-10-03 00:18:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2019-10-03 00:18:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_check_layout [2019-10-03 00:18:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2019-10-03 00:18:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2019-10-03 00:18:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_decode_layout [2019-10-03 00:18:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2019-10-03 00:18:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_commit_info [2019-10-03 00:18:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2019-10-03 00:18:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2019-10-03 00:18:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2019-10-03 00:18:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2019-10-03 00:18:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure select_bucket_index [2019-10-03 00:18:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2019-10-03 00:18:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_choose_commit_list [2019-10-03 00:18:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2019-10-03 00:18:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure calc_ds_index_from_commit [2019-10-03 00:18:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure select_ds_fh_from_commit [2019-10-03 00:18:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_initiate_commit [2019-10-03 00:18:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2019-10-03 00:18:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_ds_commit_list [2019-10-03 00:18:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2019-10-03 00:18:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2019-10-03 00:18:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_ds_commits [2019-10-03 00:18:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2019-10-03 00:18:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2019-10-03 00:18:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2019-10-03 00:18:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2019-10-03 00:18:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2019-10-03 00:18:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4filelayout_init [2019-10-03 00:18:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4filelayout_exit [2019-10-03 00:18:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2019-10-03 00:18:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_nfs4filelayout_init_5_11 [2019-10-03 00:18:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-10-03 00:18:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_1_5_4 [2019-10-03 00:18:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_2_5_5 [2019-10-03 00:18:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_1_5_6 [2019-10-03 00:18:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_2_5_7 [2019-10-03 00:18:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_12 [2019-10-03 00:18:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_15 [2019-10-03 00:18:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-10-03 00:18:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_9 [2019-10-03 00:18:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-10-03 00:18:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-10-03 00:18:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-03 00:18:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-10-03 00:18:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_12 [2019-10-03 00:18:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_15 [2019-10-03 00:18:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-10-03 00:18:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_9 [2019-10-03 00:18:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_12 [2019-10-03 00:18:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_13 [2019-10-03 00:18:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_16 [2019-10-03 00:18:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_17 [2019-10-03 00:18:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_18 [2019-10-03 00:18:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_19 [2019-10-03 00:18:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_20 [2019-10-03 00:18:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_21 [2019-10-03 00:18:58,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_22 [2019-10-03 00:18:58,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_23 [2019-10-03 00:18:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_26 [2019-10-03 00:18:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_27 [2019-10-03 00:18:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_28 [2019-10-03 00:18:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-03 00:18:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_31 [2019-10-03 00:18:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_9 [2019-10-03 00:18:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_12 [2019-10-03 00:18:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_13 [2019-10-03 00:18:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_16 [2019-10-03 00:18:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_17 [2019-10-03 00:18:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_18 [2019-10-03 00:18:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_19 [2019-10-03 00:18:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_20 [2019-10-03 00:18:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_21 [2019-10-03 00:18:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_22 [2019-10-03 00:18:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_23 [2019-10-03 00:18:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_26 [2019-10-03 00:18:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_27 [2019-10-03 00:18:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_28 [2019-10-03 00:18:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-03 00:18:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_31 [2019-10-03 00:18:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_9 [2019-10-03 00:18:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_5 [2019-10-03 00:18:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 00:18:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-10-03 00:18:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_0 [2019-10-03 00:18:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_1 [2019-10-03 00:18:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_2 [2019-10-03 00:18:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_3 [2019-10-03 00:18:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_4 [2019-10-03 00:18:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-10-03 00:18:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-10-03 00:18:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-10-03 00:18:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_5 [2019-10-03 00:18:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-10-03 00:18:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2019-10-03 00:18:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_1 [2019-10-03 00:18:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_5 [2019-10-03 00:18:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-10-03 00:18:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_5 [2019-10-03 00:18:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-10-03 00:18:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_5 [2019-10-03 00:18:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 00:18:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 00:18:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2019-10-03 00:18:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2019-10-03 00:18:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-03 00:18:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-03 00:18:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-03 00:18:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-03 00:18:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-03 00:18:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-10-03 00:18:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-10-03 00:18:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-03 00:18:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-03 00:18:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-03 00:18:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_atomic_dec_and_lock [2019-10-03 00:18:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_atomic_dec_and_lock_79 [2019-10-03 00:18:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_nfs4_ds_cache_lock [2019-10-03 00:18:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_nfs4_ds_cache_lock [2019-10-03 00:18:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_nfs4_ds_cache_lock [2019-10-03 00:18:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81___0 [2019-10-03 00:18:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80___0 [2019-10-03 00:18:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_bit [2019-10-03 00:18:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure out_of_line_wait_on_bit [2019-10-03 00:18:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure wait_on_bit [2019-10-03 00:18:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure __ipv6_addr_type [2019-10-03 00:18:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure __ipv6_addr_src_scope [2019-10-03 00:18:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_addr_src_scope [2019-10-03 00:18:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_addr_equal [2019-10-03 00:18:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pton [2019-10-03 00:18:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_ds_client [2019-10-03 00:18:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_wait_bit_killable [2019-10-03 00:18:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_page_array_len [2019-10-03 00:18:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_init_ds_session [2019-10-03 00:18:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_proc_getdeviceinfo [2019-10-03 00:18:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_init_deviceid_node [2019-10-03 00:18:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_insert_deviceid_node [2019-10-03 00:18:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_put_deviceid_node [2019-10-03 00:18:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_devid_invalid [2019-10-03 00:18:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure print_ds [2019-10-03 00:18:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure same_sockaddr [2019-10-03 00:18:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure _same_data_server_addrs_locked [2019-10-03 00:18:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure _data_server_lookup_locked [2019-10-03 00:18:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_ds_connect [2019-10-03 00:18:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_ds [2019-10-03 00:18:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_pnfs_remotestr [2019-10-03 00:18:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_pnfs_ds_add [2019-10-03 00:18:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure decode_ds_addr [2019-10-03 00:18:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure decode_device [2019-10-03 00:18:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure decode_and_add_device [2019-10-03 00:18:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_wait_ds_connect [2019-10-03 00:18:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_clear_ds_conn_bit [2019-10-03 00:18:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-03 00:18:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-03 00:18:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-03 00:18:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 00:18:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-03 00:18:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 00:18:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-03 00:18:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-03 00:18:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-03 00:18:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-03 00:18:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-03 00:18:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-03 00:18:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-03 00:18:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-03 00:18:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-03 00:18:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-03 00:18:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-03 00:18:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-03 00:18:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 00:18:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 00:18:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 00:18:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 00:18:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 00:18:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 00:18:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 00:18:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 00:18:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 00:18:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-03 00:18:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-03 00:18:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 00:18:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 00:18:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 00:18:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-03 00:18:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-03 00:18:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-03 00:18:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-03 00:18:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-03 00:18:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-03 00:18:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-03 00:18:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-03 00:18:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-03 00:18:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-03 00:18:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-03 00:18:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-03 00:18:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-03 00:18:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-03 00:18:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-03 00:18:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-03 00:18:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-03 00:18:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-03 00:18:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-03 00:18:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-03 00:18:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-03 00:18:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-03 00:18:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-03 00:18:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-03 00:18:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-03 00:18:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-03 00:18:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-03 00:18:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-03 00:18:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-03 00:18:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-03 00:18:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-03 00:18:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-03 00:18:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cl_lock_of_nfs_client [2019-10-03 00:18:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_cl_lock_of_nfs_client [2019-10-03 00:18:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_cl_lock_of_nfs_client [2019-10-03 00:18:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_cl_lock_of_nfs_client [2019-10-03 00:18:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_cl_lock_of_nfs_client [2019-10-03 00:18:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_cl_lock_of_nfs_client [2019-10-03 00:18:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_cl_lock_of_nfs_client [2019-10-03 00:18:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_cl_lock_of_nfs_client [2019-10-03 00:18:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-10-03 00:18:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-03 00:18:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-03 00:18:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-03 00:18:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-03 00:18:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-03 00:18:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-03 00:18:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-03 00:18:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-10-03 00:18:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-10-03 00:18:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-10-03 00:18:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-10-03 00:18:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-10-03 00:18:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-10-03 00:18:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-10-03 00:18:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-10-03 00:18:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_nfs_commit_info [2019-10-03 00:18:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_nfs_commit_info [2019-10-03 00:18:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_nfs_commit_info [2019-10-03 00:18:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_nfs_commit_info [2019-10-03 00:18:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_nfs_commit_info [2019-10-03 00:18:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_nfs_commit_info [2019-10-03 00:18:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_res_counter [2019-10-03 00:18:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_res_counter [2019-10-03 00:18:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_res_counter [2019-10-03 00:18:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_res_counter [2019-10-03 00:18:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_res_counter [2019-10-03 00:18:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_res_counter [2019-10-03 00:18:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_res_counter [2019-10-03 00:18:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2019-10-03 00:18:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-03 00:18:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-03 00:18:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-03 00:18:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-03 00:18:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-03 00:18:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-03 00:18:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-03 00:18:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-03 00:18:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_nfs4_ds_cache_lock [2019-10-03 00:18:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_nfs4_ds_cache_lock [2019-10-03 00:18:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_nfs4_ds_cache_lock [2019-10-03 00:18:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_nfs4_ds_cache_lock [2019-10-03 00:18:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_nfs4_ds_cache_lock [2019-10-03 00:18:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-03 00:18:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-03 00:18:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-03 00:18:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-03 00:18:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-03 00:18:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-03 00:18:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-03 00:18:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-03 00:18:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-10-03 00:18:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-10-03 00:18:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-10-03 00:18:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-10-03 00:18:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-10-03 00:18:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-10-03 00:18:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-10-03 00:18:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-10-03 00:18:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-03 00:18:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-03 00:18:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-03 00:18:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-03 00:18:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-03 00:18:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-03 00:18:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-03 00:18:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-03 00:18:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_sk_dst_lock_of_sock [2019-10-03 00:18:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2019-10-03 00:18:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2019-10-03 00:18:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2019-10-03 00:18:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2019-10-03 00:18:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2019-10-03 00:18:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2019-10-03 00:18:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2019-10-03 00:18:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2019-10-03 00:18:58,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-03 00:18:58,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-03 00:18:58,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-03 00:18:58,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-03 00:18:58,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-03 00:18:58,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-03 00:18:58,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-03 00:18:58,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-03 00:18:58,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-10-03 00:18:58,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 00:18:58,756 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 00:18:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-03 00:18:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 00:18:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 00:18:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 00:18:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 00:18:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 00:18:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 00:18:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 00:18:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 00:19:02,540 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-10-03 00:19:03,216 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 00:19:10,667 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 00:19:10,667 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 00:19:10,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:19:10 BoogieIcfgContainer [2019-10-03 00:19:10,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 00:19:10,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 00:19:10,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 00:19:10,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 00:19:10,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 12:18:51" (1/3) ... [2019-10-03 00:19:10,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e673b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:19:10, skipping insertion in model container [2019-10-03 00:19:10,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:18:57" (2/3) ... [2019-10-03 00:19:10,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e673b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:19:10, skipping insertion in model container [2019-10-03 00:19:10,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:19:10" (3/3) ... [2019-10-03 00:19:10,681 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2019-10-03 00:19:10,692 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 00:19:10,709 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-03 00:19:10,727 INFO L252 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-03 00:19:10,760 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 00:19:10,760 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 00:19:10,760 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 00:19:10,760 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 00:19:10,760 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 00:19:10,760 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 00:19:10,760 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 00:19:10,761 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 00:19:10,840 INFO L276 IsEmpty]: Start isEmpty. Operand 3627 states. [2019-10-03 00:19:10,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-10-03 00:19:10,895 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:19:10,897 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] [2019-10-03 00:19:10,901 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]=== [2019-10-03 00:19:10,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:19:10,907 INFO L82 PathProgramCache]: Analyzing trace with hash -759481834, now seen corresponding path program 1 times [2019-10-03 00:19:10,909 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:19:11,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:19:11,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:19:11,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:19:11,035 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:19:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:19:12,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-10-03 00:19:12,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:19:12,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:19:12,127 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:19:12,132 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:19:12,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:19:12,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:19:12,146 INFO L87 Difference]: Start difference. First operand 3627 states. Second operand 3 states. [2019-10-03 00:19:15,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:19:15,186 INFO L93 Difference]: Finished difference Result 5236 states and 6882 transitions. [2019-10-03 00:19:15,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:19:15,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 350 [2019-10-03 00:19:15,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:19:15,276 INFO L225 Difference]: With dead ends: 5236 [2019-10-03 00:19:15,276 INFO L226 Difference]: Without dead ends: 5219 [2019-10-03 00:19:15,278 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:19:15,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5219 states. [2019-10-03 00:19:15,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5219 to 5213. [2019-10-03 00:19:15,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5213 states. [2019-10-03 00:19:15,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5213 states to 5213 states and 6851 transitions. [2019-10-03 00:19:15,612 INFO L78 Accepts]: Start accepts. Automaton has 5213 states and 6851 transitions. Word has length 350 [2019-10-03 00:19:15,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:19:15,614 INFO L475 AbstractCegarLoop]: Abstraction has 5213 states and 6851 transitions. [2019-10-03 00:19:15,614 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:19:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand 5213 states and 6851 transitions. [2019-10-03 00:19:15,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2019-10-03 00:19:15,624 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:19:15,624 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] [2019-10-03 00:19:15,625 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]=== [2019-10-03 00:19:15,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:19:15,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1093339137, now seen corresponding path program 1 times [2019-10-03 00:19:15,626 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:19:15,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:19:15,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:19:15,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:19:15,649 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:19:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:19:16,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-10-03 00:19:16,500 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:19:16,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:19:16,500 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:19:16,509 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:19:16,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:19:16,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:19:16,511 INFO L87 Difference]: Start difference. First operand 5213 states and 6851 transitions. Second operand 3 states. [2019-10-03 00:19:19,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:19:19,290 INFO L93 Difference]: Finished difference Result 7747 states and 10154 transitions. [2019-10-03 00:19:19,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:19:19,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2019-10-03 00:19:19,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:19:19,342 INFO L225 Difference]: With dead ends: 7747 [2019-10-03 00:19:19,342 INFO L226 Difference]: Without dead ends: 7747 [2019-10-03 00:19:19,343 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:19:19,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7747 states. [2019-10-03 00:19:19,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7747 to 7680. [2019-10-03 00:19:19,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7680 states. [2019-10-03 00:19:19,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7680 states to 7680 states and 10070 transitions. [2019-10-03 00:19:19,670 INFO L78 Accepts]: Start accepts. Automaton has 7680 states and 10070 transitions. Word has length 353 [2019-10-03 00:19:19,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:19:19,673 INFO L475 AbstractCegarLoop]: Abstraction has 7680 states and 10070 transitions. [2019-10-03 00:19:19,673 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:19:19,673 INFO L276 IsEmpty]: Start isEmpty. Operand 7680 states and 10070 transitions. [2019-10-03 00:19:19,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-10-03 00:19:19,685 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:19:19,685 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] [2019-10-03 00:19:19,686 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]=== [2019-10-03 00:19:19,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:19:19,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1266284239, now seen corresponding path program 1 times [2019-10-03 00:19:19,686 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:19:19,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:19:19,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:19:19,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:19:19,710 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:19:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:19:20,317 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-10-03 00:19:20,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:19:20,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:19:20,319 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:19:20,321 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:19:20,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:19:20,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:19:20,322 INFO L87 Difference]: Start difference. First operand 7680 states and 10070 transitions. Second operand 3 states. [2019-10-03 00:19:23,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:19:23,268 INFO L93 Difference]: Finished difference Result 12394 states and 16264 transitions. [2019-10-03 00:19:23,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:19:23,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 354 [2019-10-03 00:19:23,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:19:23,344 INFO L225 Difference]: With dead ends: 12394 [2019-10-03 00:19:23,345 INFO L226 Difference]: Without dead ends: 12394 [2019-10-03 00:19:23,345 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:19:23,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12394 states. [2019-10-03 00:19:23,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12394 to 12337. [2019-10-03 00:19:23,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12337 states. [2019-10-03 00:19:23,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12337 states to 12337 states and 16186 transitions. [2019-10-03 00:19:23,935 INFO L78 Accepts]: Start accepts. Automaton has 12337 states and 16186 transitions. Word has length 354 [2019-10-03 00:19:23,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:19:23,936 INFO L475 AbstractCegarLoop]: Abstraction has 12337 states and 16186 transitions. [2019-10-03 00:19:23,936 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:19:23,937 INFO L276 IsEmpty]: Start isEmpty. Operand 12337 states and 16186 transitions. [2019-10-03 00:19:23,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2019-10-03 00:19:23,947 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:19:23,948 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] [2019-10-03 00:19:23,949 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]=== [2019-10-03 00:19:23,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:19:23,949 INFO L82 PathProgramCache]: Analyzing trace with hash -10254560, now seen corresponding path program 1 times [2019-10-03 00:19:23,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:19:23,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:19:23,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:19:23,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:19:23,975 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:19:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:19:24,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-10-03 00:19:24,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:19:24,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:19:24,432 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:19:24,433 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:19:24,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:19:24,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:19:24,433 INFO L87 Difference]: Start difference. First operand 12337 states and 16186 transitions. Second operand 3 states. [2019-10-03 00:19:27,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:19:27,233 INFO L93 Difference]: Finished difference Result 17923 states and 23395 transitions. [2019-10-03 00:19:27,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:19:27,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 355 [2019-10-03 00:19:27,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:19:27,324 INFO L225 Difference]: With dead ends: 17923 [2019-10-03 00:19:27,324 INFO L226 Difference]: Without dead ends: 17923 [2019-10-03 00:19:27,324 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:19:27,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17923 states. [2019-10-03 00:19:27,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17923 to 17850. [2019-10-03 00:19:27,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17850 states. [2019-10-03 00:19:27,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17850 states to 17850 states and 23301 transitions. [2019-10-03 00:19:27,898 INFO L78 Accepts]: Start accepts. Automaton has 17850 states and 23301 transitions. Word has length 355 [2019-10-03 00:19:27,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:19:27,900 INFO L475 AbstractCegarLoop]: Abstraction has 17850 states and 23301 transitions. [2019-10-03 00:19:27,900 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:19:27,900 INFO L276 IsEmpty]: Start isEmpty. Operand 17850 states and 23301 transitions. [2019-10-03 00:19:27,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-10-03 00:19:27,906 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:19:27,906 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] [2019-10-03 00:19:27,907 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]=== [2019-10-03 00:19:27,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:19:27,907 INFO L82 PathProgramCache]: Analyzing trace with hash 461876943, now seen corresponding path program 1 times [2019-10-03 00:19:27,907 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:19:27,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:19:27,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:19:27,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:19:27,929 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:19:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:19:28,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-10-03 00:19:28,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:19:28,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:19:28,565 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:19:28,566 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:19:28,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:19:28,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:19:28,567 INFO L87 Difference]: Start difference. First operand 17850 states and 23301 transitions. Second operand 3 states. [2019-10-03 00:19:31,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:19:31,320 INFO L93 Difference]: Finished difference Result 34163 states and 44570 transitions. [2019-10-03 00:19:31,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:19:31,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 359 [2019-10-03 00:19:31,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:19:31,458 INFO L225 Difference]: With dead ends: 34163 [2019-10-03 00:19:31,459 INFO L226 Difference]: Without dead ends: 34163 [2019-10-03 00:19:31,459 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:19:31,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34163 states. [2019-10-03 00:19:32,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34163 to 34062. [2019-10-03 00:19:32,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34062 states. [2019-10-03 00:19:32,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34062 states to 34062 states and 44440 transitions. [2019-10-03 00:19:32,455 INFO L78 Accepts]: Start accepts. Automaton has 34062 states and 44440 transitions. Word has length 359 [2019-10-03 00:19:32,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:19:32,455 INFO L475 AbstractCegarLoop]: Abstraction has 34062 states and 44440 transitions. [2019-10-03 00:19:32,455 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:19:32,456 INFO L276 IsEmpty]: Start isEmpty. Operand 34062 states and 44440 transitions. [2019-10-03 00:19:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2019-10-03 00:19:32,462 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:19:32,463 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] [2019-10-03 00:19:32,463 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]=== [2019-10-03 00:19:32,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:19:32,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1758597875, now seen corresponding path program 1 times [2019-10-03 00:19:32,464 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:19:32,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:19:32,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:19:32,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:19:32,479 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:19:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:19:34,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3927 trivial. 0 not checked. [2019-10-03 00:19:34,167 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:19:34,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:19:34,167 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:19:34,168 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:19:34,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:19:34,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:19:34,168 INFO L87 Difference]: Start difference. First operand 34062 states and 44440 transitions. Second operand 3 states. [2019-10-03 00:19:36,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:19:36,990 INFO L93 Difference]: Finished difference Result 63949 states and 83399 transitions. [2019-10-03 00:19:36,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:19:36,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 365 [2019-10-03 00:19:36,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:19:37,259 INFO L225 Difference]: With dead ends: 63949 [2019-10-03 00:19:37,260 INFO L226 Difference]: Without dead ends: 63949 [2019-10-03 00:19:37,260 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:19:37,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63949 states. [2019-10-03 00:19:39,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63949 to 63880. [2019-10-03 00:19:39,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63880 states. [2019-10-03 00:19:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63880 states to 63880 states and 83301 transitions. [2019-10-03 00:19:39,414 INFO L78 Accepts]: Start accepts. Automaton has 63880 states and 83301 transitions. Word has length 365 [2019-10-03 00:19:39,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:19:39,415 INFO L475 AbstractCegarLoop]: Abstraction has 63880 states and 83301 transitions. [2019-10-03 00:19:39,415 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:19:39,415 INFO L276 IsEmpty]: Start isEmpty. Operand 63880 states and 83301 transitions. [2019-10-03 00:19:39,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2019-10-03 00:19:39,431 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:19:39,433 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] [2019-10-03 00:19:39,434 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]=== [2019-10-03 00:19:39,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:19:39,435 INFO L82 PathProgramCache]: Analyzing trace with hash -922299813, now seen corresponding path program 1 times [2019-10-03 00:19:39,435 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:19:39,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:19:39,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:19:39,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:19:39,459 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:19:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:19:40,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3942 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3936 trivial. 0 not checked. [2019-10-03 00:19:40,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:19:40,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:19:40,154 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:19:40,155 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:19:40,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:19:40,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:19:40,157 INFO L87 Difference]: Start difference. First operand 63880 states and 83301 transitions. Second operand 3 states. [2019-10-03 00:19:43,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:19:43,482 INFO L93 Difference]: Finished difference Result 125712 states and 163850 transitions. [2019-10-03 00:19:43,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:19:43,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 405 [2019-10-03 00:19:43,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:19:46,185 INFO L225 Difference]: With dead ends: 125712 [2019-10-03 00:19:46,186 INFO L226 Difference]: Without dead ends: 125712 [2019-10-03 00:19:46,186 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:19:46,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125712 states. [2019-10-03 00:19:48,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125712 to 125706. [2019-10-03 00:19:48,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125706 states. [2019-10-03 00:19:48,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125706 states to 125706 states and 163847 transitions. [2019-10-03 00:19:48,794 INFO L78 Accepts]: Start accepts. Automaton has 125706 states and 163847 transitions. Word has length 405 [2019-10-03 00:19:48,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:19:48,795 INFO L475 AbstractCegarLoop]: Abstraction has 125706 states and 163847 transitions. [2019-10-03 00:19:48,795 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:19:48,795 INFO L276 IsEmpty]: Start isEmpty. Operand 125706 states and 163847 transitions. [2019-10-03 00:19:48,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2019-10-03 00:19:48,802 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:19:48,803 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] [2019-10-03 00:19:48,803 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]=== [2019-10-03 00:19:48,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:19:48,804 INFO L82 PathProgramCache]: Analyzing trace with hash 463903581, now seen corresponding path program 1 times [2019-10-03 00:19:48,804 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:19:48,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:19:48,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:19:48,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:19:48,819 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:19:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:19:49,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3942 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3936 trivial. 0 not checked. [2019-10-03 00:19:49,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:19:49,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:19:49,197 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:19:49,199 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:19:49,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:19:49,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:19:49,200 INFO L87 Difference]: Start difference. First operand 125706 states and 163847 transitions. Second operand 3 states. [2019-10-03 00:19:54,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:19:54,774 INFO L93 Difference]: Finished difference Result 187593 states and 244433 transitions. [2019-10-03 00:19:54,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:19:54,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 405 [2019-10-03 00:19:54,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:19:55,521 INFO L225 Difference]: With dead ends: 187593 [2019-10-03 00:19:55,521 INFO L226 Difference]: Without dead ends: 187593 [2019-10-03 00:19:55,522 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:19:55,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187593 states. [2019-10-03 00:19:58,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187593 to 187564. [2019-10-03 00:19:58,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187564 states. [2019-10-03 00:19:59,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187564 states to 187564 states and 244392 transitions. [2019-10-03 00:19:59,444 INFO L78 Accepts]: Start accepts. Automaton has 187564 states and 244392 transitions. Word has length 405 [2019-10-03 00:19:59,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:19:59,445 INFO L475 AbstractCegarLoop]: Abstraction has 187564 states and 244392 transitions. [2019-10-03 00:19:59,445 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:19:59,445 INFO L276 IsEmpty]: Start isEmpty. Operand 187564 states and 244392 transitions. [2019-10-03 00:19:59,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2019-10-03 00:19:59,453 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:19:59,453 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] [2019-10-03 00:19:59,454 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]=== [2019-10-03 00:19:59,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:19:59,454 INFO L82 PathProgramCache]: Analyzing trace with hash 2009595488, now seen corresponding path program 1 times [2019-10-03 00:19:59,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:19:59,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:19:59,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:19:59,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:19:59,470 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:19:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:19:59,973 INFO L134 CoverageAnalysis]: Checked inductivity of 3953 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3944 trivial. 0 not checked. [2019-10-03 00:19:59,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:19:59,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:19:59,974 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:19:59,974 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:19:59,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:19:59,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:19:59,975 INFO L87 Difference]: Start difference. First operand 187564 states and 244392 transitions. Second operand 5 states. [2019-10-03 00:20:05,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:20:05,072 INFO L93 Difference]: Finished difference Result 187568 states and 244395 transitions. [2019-10-03 00:20:05,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:20:05,073 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 405 [2019-10-03 00:20:05,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:20:05,825 INFO L225 Difference]: With dead ends: 187568 [2019-10-03 00:20:05,825 INFO L226 Difference]: Without dead ends: 187568 [2019-10-03 00:20:05,825 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-03 00:20:06,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187568 states. [2019-10-03 00:20:08,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187568 to 187568. [2019-10-03 00:20:08,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187568 states. [2019-10-03 00:20:09,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187568 states to 187568 states and 244395 transitions. [2019-10-03 00:20:09,147 INFO L78 Accepts]: Start accepts. Automaton has 187568 states and 244395 transitions. Word has length 405 [2019-10-03 00:20:09,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:20:09,149 INFO L475 AbstractCegarLoop]: Abstraction has 187568 states and 244395 transitions. [2019-10-03 00:20:09,149 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:20:09,149 INFO L276 IsEmpty]: Start isEmpty. Operand 187568 states and 244395 transitions. [2019-10-03 00:20:09,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2019-10-03 00:20:09,152 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:20:09,153 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] [2019-10-03 00:20:09,153 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]=== [2019-10-03 00:20:09,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:20:09,153 INFO L82 PathProgramCache]: Analyzing trace with hash 401527796, now seen corresponding path program 1 times [2019-10-03 00:20:09,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:20:09,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:20:09,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:20:09,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:20:09,181 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:20:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:20:10,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3955 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3944 trivial. 0 not checked. [2019-10-03 00:20:10,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:20:10,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:20:10,427 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:20:10,428 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:20:10,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:20:10,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:20:10,429 INFO L87 Difference]: Start difference. First operand 187568 states and 244395 transitions. Second operand 5 states. [2019-10-03 00:20:11,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:20:11,403 INFO L93 Difference]: Finished difference Result 187572 states and 244398 transitions. [2019-10-03 00:20:11,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:20:11,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 410 [2019-10-03 00:20:11,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:20:12,028 INFO L225 Difference]: With dead ends: 187572 [2019-10-03 00:20:12,029 INFO L226 Difference]: Without dead ends: 187572 [2019-10-03 00:20:12,029 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 [2019-10-03 00:20:12,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187572 states. [2019-10-03 00:20:18,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187572 to 187572. [2019-10-03 00:20:18,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187572 states. [2019-10-03 00:20:20,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187572 states to 187572 states and 244398 transitions. [2019-10-03 00:20:20,065 INFO L78 Accepts]: Start accepts. Automaton has 187572 states and 244398 transitions. Word has length 410 [2019-10-03 00:20:20,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:20:20,066 INFO L475 AbstractCegarLoop]: Abstraction has 187572 states and 244398 transitions. [2019-10-03 00:20:20,066 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:20:20,066 INFO L276 IsEmpty]: Start isEmpty. Operand 187572 states and 244398 transitions. [2019-10-03 00:20:20,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2019-10-03 00:20:20,070 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:20:20,070 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] [2019-10-03 00:20:20,070 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]=== [2019-10-03 00:20:20,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:20:20,071 INFO L82 PathProgramCache]: Analyzing trace with hash 342848160, now seen corresponding path program 1 times [2019-10-03 00:20:20,071 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:20:20,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:20:20,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:20:20,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:20:20,088 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:20:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:20:20,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3961 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3948 trivial. 0 not checked. [2019-10-03 00:20:20,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:20:20,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:20:20,580 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:20:20,580 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:20:20,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:20:20,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:20:20,582 INFO L87 Difference]: Start difference. First operand 187572 states and 244398 transitions. Second operand 5 states. [2019-10-03 00:20:21,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:20:21,499 INFO L93 Difference]: Finished difference Result 187576 states and 244401 transitions. [2019-10-03 00:20:21,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:20:21,500 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 415 [2019-10-03 00:20:21,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:20:22,111 INFO L225 Difference]: With dead ends: 187576 [2019-10-03 00:20:22,111 INFO L226 Difference]: Without dead ends: 187576 [2019-10-03 00:20:22,112 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 [2019-10-03 00:20:22,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187576 states. [2019-10-03 00:20:29,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187576 to 187576. [2019-10-03 00:20:29,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187576 states. [2019-10-03 00:20:29,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187576 states to 187576 states and 244401 transitions. [2019-10-03 00:20:29,514 INFO L78 Accepts]: Start accepts. Automaton has 187576 states and 244401 transitions. Word has length 415 [2019-10-03 00:20:29,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:20:29,515 INFO L475 AbstractCegarLoop]: Abstraction has 187576 states and 244401 transitions. [2019-10-03 00:20:29,515 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:20:29,515 INFO L276 IsEmpty]: Start isEmpty. Operand 187576 states and 244401 transitions. [2019-10-03 00:20:29,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2019-10-03 00:20:29,519 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:20:29,519 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] [2019-10-03 00:20:29,520 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]=== [2019-10-03 00:20:29,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:20:29,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1421854924, now seen corresponding path program 1 times [2019-10-03 00:20:29,520 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:20:29,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:20:29,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:20:29,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:20:29,537 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:20:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:20:30,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3971 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3956 trivial. 0 not checked. [2019-10-03 00:20:30,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:20:30,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:20:30,751 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:20:30,751 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:20:30,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:20:30,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:20:30,752 INFO L87 Difference]: Start difference. First operand 187576 states and 244401 transitions. Second operand 5 states. [2019-10-03 00:20:31,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:20:31,521 INFO L93 Difference]: Finished difference Result 187580 states and 244404 transitions. [2019-10-03 00:20:31,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:20:31,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 420 [2019-10-03 00:20:31,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:20:32,072 INFO L225 Difference]: With dead ends: 187580 [2019-10-03 00:20:32,072 INFO L226 Difference]: Without dead ends: 187580 [2019-10-03 00:20:32,073 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 [2019-10-03 00:20:32,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187580 states. [2019-10-03 00:20:38,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187580 to 187580. [2019-10-03 00:20:38,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187580 states. [2019-10-03 00:20:39,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187580 states to 187580 states and 244404 transitions. [2019-10-03 00:20:39,564 INFO L78 Accepts]: Start accepts. Automaton has 187580 states and 244404 transitions. Word has length 420 [2019-10-03 00:20:39,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:20:39,565 INFO L475 AbstractCegarLoop]: Abstraction has 187580 states and 244404 transitions. [2019-10-03 00:20:39,565 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:20:39,565 INFO L276 IsEmpty]: Start isEmpty. Operand 187580 states and 244404 transitions. [2019-10-03 00:20:39,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-10-03 00:20:39,569 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:20:39,569 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] [2019-10-03 00:20:39,570 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]=== [2019-10-03 00:20:39,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:20:39,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1223968480, now seen corresponding path program 1 times [2019-10-03 00:20:39,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:20:39,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:20:39,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:20:39,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:20:39,588 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:20:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:20:40,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3985 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3968 trivial. 0 not checked. [2019-10-03 00:20:40,881 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:20:40,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:20:40,881 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:20:40,882 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:20:40,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:20:40,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:20:40,883 INFO L87 Difference]: Start difference. First operand 187580 states and 244404 transitions. Second operand 5 states. [2019-10-03 00:20:41,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:20:41,715 INFO L93 Difference]: Finished difference Result 187584 states and 244407 transitions. [2019-10-03 00:20:41,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:20:41,715 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 425 [2019-10-03 00:20:41,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:20:42,300 INFO L225 Difference]: With dead ends: 187584 [2019-10-03 00:20:42,300 INFO L226 Difference]: Without dead ends: 187584 [2019-10-03 00:20:42,301 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 [2019-10-03 00:20:42,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187584 states. [2019-10-03 00:20:45,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187584 to 187584. [2019-10-03 00:20:45,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187584 states. [2019-10-03 00:20:52,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187584 states to 187584 states and 244407 transitions. [2019-10-03 00:20:52,877 INFO L78 Accepts]: Start accepts. Automaton has 187584 states and 244407 transitions. Word has length 425 [2019-10-03 00:20:52,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:20:52,878 INFO L475 AbstractCegarLoop]: Abstraction has 187584 states and 244407 transitions. [2019-10-03 00:20:52,878 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:20:52,878 INFO L276 IsEmpty]: Start isEmpty. Operand 187584 states and 244407 transitions. [2019-10-03 00:20:52,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-10-03 00:20:52,882 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:20:52,883 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] [2019-10-03 00:20:52,883 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]=== [2019-10-03 00:20:52,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:20:52,884 INFO L82 PathProgramCache]: Analyzing trace with hash -636470668, now seen corresponding path program 1 times [2019-10-03 00:20:52,884 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:20:52,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:20:52,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:20:52,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:20:52,897 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:20:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:20:53,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4003 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3984 trivial. 0 not checked. [2019-10-03 00:20:53,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:20:53,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:20:53,323 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:20:53,324 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:20:53,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:20:53,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:20:53,325 INFO L87 Difference]: Start difference. First operand 187584 states and 244407 transitions. Second operand 5 states. [2019-10-03 00:20:54,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:20:54,110 INFO L93 Difference]: Finished difference Result 187588 states and 244410 transitions. [2019-10-03 00:20:54,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:20:54,110 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 430 [2019-10-03 00:20:54,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:20:54,658 INFO L225 Difference]: With dead ends: 187588 [2019-10-03 00:20:54,658 INFO L226 Difference]: Without dead ends: 187588 [2019-10-03 00:20:54,659 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 [2019-10-03 00:20:54,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187588 states. [2019-10-03 00:20:58,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187588 to 187588. [2019-10-03 00:20:58,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187588 states. [2019-10-03 00:20:58,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187588 states to 187588 states and 244410 transitions. [2019-10-03 00:20:58,738 INFO L78 Accepts]: Start accepts. Automaton has 187588 states and 244410 transitions. Word has length 430 [2019-10-03 00:20:58,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:20:58,739 INFO L475 AbstractCegarLoop]: Abstraction has 187588 states and 244410 transitions. [2019-10-03 00:20:58,739 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:20:58,739 INFO L276 IsEmpty]: Start isEmpty. Operand 187588 states and 244410 transitions. [2019-10-03 00:20:58,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2019-10-03 00:20:58,742 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:20:58,743 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] [2019-10-03 00:20:58,743 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]=== [2019-10-03 00:20:58,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:20:58,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1746828064, now seen corresponding path program 1 times [2019-10-03 00:20:58,744 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:20:58,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:20:58,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:20:58,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:20:58,761 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:20:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:20:59,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4025 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4004 trivial. 0 not checked. [2019-10-03 00:20:59,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:20:59,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:20:59,158 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:20:59,159 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:20:59,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:20:59,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:20:59,159 INFO L87 Difference]: Start difference. First operand 187588 states and 244410 transitions. Second operand 5 states. [2019-10-03 00:20:59,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:20:59,939 INFO L93 Difference]: Finished difference Result 187592 states and 244413 transitions. [2019-10-03 00:21:01,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:21:01,038 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 435 [2019-10-03 00:21:01,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:21:01,574 INFO L225 Difference]: With dead ends: 187592 [2019-10-03 00:21:01,574 INFO L226 Difference]: Without dead ends: 187592 [2019-10-03 00:21:01,575 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 [2019-10-03 00:21:01,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187592 states. [2019-10-03 00:21:04,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187592 to 187592. [2019-10-03 00:21:04,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187592 states. [2019-10-03 00:21:05,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187592 states to 187592 states and 244413 transitions. [2019-10-03 00:21:05,251 INFO L78 Accepts]: Start accepts. Automaton has 187592 states and 244413 transitions. Word has length 435 [2019-10-03 00:21:05,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:21:05,252 INFO L475 AbstractCegarLoop]: Abstraction has 187592 states and 244413 transitions. [2019-10-03 00:21:05,253 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:21:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 187592 states and 244413 transitions. [2019-10-03 00:21:05,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2019-10-03 00:21:05,256 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:21:05,257 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] [2019-10-03 00:21:05,257 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]=== [2019-10-03 00:21:05,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:21:05,258 INFO L82 PathProgramCache]: Analyzing trace with hash -828973644, now seen corresponding path program 1 times [2019-10-03 00:21:05,258 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:21:05,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:21:05,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:21:05,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:21:05,273 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:21:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:21:10,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4051 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 4028 trivial. 0 not checked. [2019-10-03 00:21:10,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:21:10,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:21:10,742 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:21:10,743 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:21:10,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:21:10,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:21:10,744 INFO L87 Difference]: Start difference. First operand 187592 states and 244413 transitions. Second operand 5 states. [2019-10-03 00:21:11,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:21:11,499 INFO L93 Difference]: Finished difference Result 195758 states and 252796 transitions. [2019-10-03 00:21:11,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:21:11,500 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 440 [2019-10-03 00:21:11,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:21:12,072 INFO L225 Difference]: With dead ends: 195758 [2019-10-03 00:21:12,073 INFO L226 Difference]: Without dead ends: 195758 [2019-10-03 00:21:12,073 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 [2019-10-03 00:21:12,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195758 states. [2019-10-03 00:21:15,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195758 to 195756. [2019-10-03 00:21:15,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195756 states. [2019-10-03 00:21:15,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195756 states to 195756 states and 252795 transitions. [2019-10-03 00:21:15,833 INFO L78 Accepts]: Start accepts. Automaton has 195756 states and 252795 transitions. Word has length 440 [2019-10-03 00:21:15,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:21:15,833 INFO L475 AbstractCegarLoop]: Abstraction has 195756 states and 252795 transitions. [2019-10-03 00:21:15,833 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:21:15,834 INFO L276 IsEmpty]: Start isEmpty. Operand 195756 states and 252795 transitions. [2019-10-03 00:21:15,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2019-10-03 00:21:15,836 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:21:15,837 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] [2019-10-03 00:21:15,837 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]=== [2019-10-03 00:21:15,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:21:15,838 INFO L82 PathProgramCache]: Analyzing trace with hash -357167264, now seen corresponding path program 1 times [2019-10-03 00:21:15,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:21:15,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:21:15,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:21:15,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:21:15,851 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:21:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:21:16,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4081 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4056 trivial. 0 not checked. [2019-10-03 00:21:16,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:21:16,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:21:16,307 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:21:16,308 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:21:16,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:21:16,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:21:16,308 INFO L87 Difference]: Start difference. First operand 195756 states and 252795 transitions. Second operand 5 states. [2019-10-03 00:21:18,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:21:18,067 INFO L93 Difference]: Finished difference Result 195760 states and 252798 transitions. [2019-10-03 00:21:18,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:21:18,067 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 445 [2019-10-03 00:21:18,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:21:18,582 INFO L225 Difference]: With dead ends: 195760 [2019-10-03 00:21:18,582 INFO L226 Difference]: Without dead ends: 195760 [2019-10-03 00:21:18,583 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 [2019-10-03 00:21:18,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195760 states. [2019-10-03 00:21:25,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195760 to 195760. [2019-10-03 00:21:25,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195760 states. [2019-10-03 00:21:26,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195760 states to 195760 states and 252798 transitions. [2019-10-03 00:21:26,491 INFO L78 Accepts]: Start accepts. Automaton has 195760 states and 252798 transitions. Word has length 445 [2019-10-03 00:21:26,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:21:26,491 INFO L475 AbstractCegarLoop]: Abstraction has 195760 states and 252798 transitions. [2019-10-03 00:21:26,492 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:21:26,492 INFO L276 IsEmpty]: Start isEmpty. Operand 195760 states and 252798 transitions. [2019-10-03 00:21:26,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2019-10-03 00:21:26,495 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:21:26,495 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 10, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:21:26,495 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]=== [2019-10-03 00:21:26,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:21:26,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1292640500, now seen corresponding path program 1 times [2019-10-03 00:21:26,496 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:21:26,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:21:26,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:21:26,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:21:26,512 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:21:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:21:26,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4115 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4088 trivial. 0 not checked. [2019-10-03 00:21:26,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:21:26,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:21:26,906 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:21:26,907 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:21:26,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:21:26,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:21:26,908 INFO L87 Difference]: Start difference. First operand 195760 states and 252798 transitions. Second operand 5 states. [2019-10-03 00:21:27,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:21:27,672 INFO L93 Difference]: Finished difference Result 195764 states and 252801 transitions. [2019-10-03 00:21:27,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:21:27,672 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 450 [2019-10-03 00:21:27,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:21:28,271 INFO L225 Difference]: With dead ends: 195764 [2019-10-03 00:21:28,271 INFO L226 Difference]: Without dead ends: 195764 [2019-10-03 00:21:28,271 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 [2019-10-03 00:21:28,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195764 states. [2019-10-03 00:21:35,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195764 to 195764. [2019-10-03 00:21:35,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195764 states. [2019-10-03 00:21:35,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195764 states to 195764 states and 252801 transitions. [2019-10-03 00:21:35,601 INFO L78 Accepts]: Start accepts. Automaton has 195764 states and 252801 transitions. Word has length 450 [2019-10-03 00:21:35,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:21:35,602 INFO L475 AbstractCegarLoop]: Abstraction has 195764 states and 252801 transitions. [2019-10-03 00:21:35,602 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:21:35,602 INFO L276 IsEmpty]: Start isEmpty. Operand 195764 states and 252801 transitions. [2019-10-03 00:21:35,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2019-10-03 00:21:35,605 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:21:35,605 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 11, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:21:35,605 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]=== [2019-10-03 00:21:35,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:21:35,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1139528693, now seen corresponding path program 1 times [2019-10-03 00:21:35,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:21:35,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:21:35,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:21:35,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:21:35,617 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:21:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:21:35,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4187 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 4153 trivial. 0 not checked. [2019-10-03 00:21:35,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:21:35,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:21:35,988 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:21:35,989 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:21:35,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:21:35,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:21:35,990 INFO L87 Difference]: Start difference. First operand 195764 states and 252801 transitions. Second operand 3 states. [2019-10-03 00:21:40,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:21:40,385 INFO L93 Difference]: Finished difference Result 260284 states and 336142 transitions. [2019-10-03 00:21:40,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:21:40,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 483 [2019-10-03 00:21:40,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:21:41,547 INFO L225 Difference]: With dead ends: 260284 [2019-10-03 00:21:41,547 INFO L226 Difference]: Without dead ends: 260284 [2019-10-03 00:21:41,547 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:21:41,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260284 states. [2019-10-03 00:21:46,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260284 to 260278. [2019-10-03 00:21:46,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260278 states. [2019-10-03 00:21:55,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260278 states to 260278 states and 336139 transitions. [2019-10-03 00:21:55,310 INFO L78 Accepts]: Start accepts. Automaton has 260278 states and 336139 transitions. Word has length 483 [2019-10-03 00:21:55,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:21:55,310 INFO L475 AbstractCegarLoop]: Abstraction has 260278 states and 336139 transitions. [2019-10-03 00:21:55,310 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:21:55,310 INFO L276 IsEmpty]: Start isEmpty. Operand 260278 states and 336139 transitions. [2019-10-03 00:21:55,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2019-10-03 00:21:55,313 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:21:55,313 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 11, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:21:55,314 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]=== [2019-10-03 00:21:55,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:21:55,314 INFO L82 PathProgramCache]: Analyzing trace with hash 899288947, now seen corresponding path program 1 times [2019-10-03 00:21:55,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:21:55,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:21:55,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:21:55,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:21:55,327 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:21:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:21:55,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4187 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 4153 trivial. 0 not checked. [2019-10-03 00:21:55,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:21:55,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:21:55,699 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:21:55,700 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:21:55,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:21:55,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:21:55,701 INFO L87 Difference]: Start difference. First operand 260278 states and 336139 transitions. Second operand 3 states. [2019-10-03 00:21:59,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:21:59,831 INFO L93 Difference]: Finished difference Result 324740 states and 419363 transitions. [2019-10-03 00:21:59,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:21:59,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 483 [2019-10-03 00:21:59,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:22:00,922 INFO L225 Difference]: With dead ends: 324740 [2019-10-03 00:22:00,922 INFO L226 Difference]: Without dead ends: 324740 [2019-10-03 00:22:00,922 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:22:01,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324740 states. [2019-10-03 00:22:11,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324740 to 324547. [2019-10-03 00:22:11,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324547 states. [2019-10-03 00:22:12,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324547 states to 324547 states and 419168 transitions. [2019-10-03 00:22:12,095 INFO L78 Accepts]: Start accepts. Automaton has 324547 states and 419168 transitions. Word has length 483 [2019-10-03 00:22:12,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:22:12,095 INFO L475 AbstractCegarLoop]: Abstraction has 324547 states and 419168 transitions. [2019-10-03 00:22:12,095 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:22:12,095 INFO L276 IsEmpty]: Start isEmpty. Operand 324547 states and 419168 transitions. [2019-10-03 00:22:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2019-10-03 00:22:12,098 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:22:12,098 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] [2019-10-03 00:22:12,099 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]=== [2019-10-03 00:22:12,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:22:12,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1065648376, now seen corresponding path program 1 times [2019-10-03 00:22:12,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:22:12,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:22:12,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:22:12,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:22:12,111 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:22:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:22:13,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4189 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4163 trivial. 0 not checked. [2019-10-03 00:22:13,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:22:13,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:22:13,540 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:22:13,544 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:22:13,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:22:13,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:22:13,545 INFO L87 Difference]: Start difference. First operand 324547 states and 419168 transitions. Second operand 5 states. [2019-10-03 00:22:22,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:22:22,939 INFO L93 Difference]: Finished difference Result 629695 states and 821549 transitions. [2019-10-03 00:22:22,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 00:22:22,939 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 484 [2019-10-03 00:22:22,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:22:25,111 INFO L225 Difference]: With dead ends: 629695 [2019-10-03 00:22:25,111 INFO L226 Difference]: Without dead ends: 629695 [2019-10-03 00:22:25,111 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 [2019-10-03 00:22:26,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629695 states. [2019-10-03 00:22:36,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629695 to 629412. [2019-10-03 00:22:36,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629412 states. [2019-10-03 00:22:49,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629412 states to 629412 states and 821270 transitions. [2019-10-03 00:22:49,925 INFO L78 Accepts]: Start accepts. Automaton has 629412 states and 821270 transitions. Word has length 484 [2019-10-03 00:22:49,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:22:49,926 INFO L475 AbstractCegarLoop]: Abstraction has 629412 states and 821270 transitions. [2019-10-03 00:22:49,926 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:22:49,926 INFO L276 IsEmpty]: Start isEmpty. Operand 629412 states and 821270 transitions. [2019-10-03 00:22:49,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2019-10-03 00:22:49,929 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:22:49,929 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 12, 11, 11, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:22:49,929 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]=== [2019-10-03 00:22:49,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:22:49,930 INFO L82 PathProgramCache]: Analyzing trace with hash 866649140, now seen corresponding path program 1 times [2019-10-03 00:22:49,930 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:22:49,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:22:49,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:22:49,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:22:49,946 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:22:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:22:50,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4195 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4164 trivial. 0 not checked. [2019-10-03 00:22:50,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:22:50,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:22:50,297 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:22:50,298 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:22:50,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:22:50,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:22:50,299 INFO L87 Difference]: Start difference. First operand 629412 states and 821270 transitions. Second operand 5 states. [2019-10-03 00:22:56,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:22:56,123 INFO L93 Difference]: Finished difference Result 629420 states and 821276 transitions. [2019-10-03 00:22:56,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:22:56,125 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 460 [2019-10-03 00:22:56,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:22:58,043 INFO L225 Difference]: With dead ends: 629420 [2019-10-03 00:22:58,044 INFO L226 Difference]: Without dead ends: 629420 [2019-10-03 00:22:58,044 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 [2019-10-03 00:22:58,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629420 states. [2019-10-03 00:23:18,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629420 to 629420. [2019-10-03 00:23:18,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629420 states. [2019-10-03 00:23:22,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629420 states to 629420 states and 821276 transitions. [2019-10-03 00:23:22,014 INFO L78 Accepts]: Start accepts. Automaton has 629420 states and 821276 transitions. Word has length 460 [2019-10-03 00:23:22,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:23:22,015 INFO L475 AbstractCegarLoop]: Abstraction has 629420 states and 821276 transitions. [2019-10-03 00:23:22,015 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:23:22,015 INFO L276 IsEmpty]: Start isEmpty. Operand 629420 states and 821276 transitions. [2019-10-03 00:23:22,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2019-10-03 00:23:22,018 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:23:22,019 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 13, 12, 12, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:23:22,019 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]=== [2019-10-03 00:23:22,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:23:22,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1745615048, now seen corresponding path program 1 times [2019-10-03 00:23:22,019 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:23:22,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:23:22,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:23:22,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:23:22,034 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:23:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:23:33,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4277 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4247 trivial. 0 not checked. [2019-10-03 00:23:33,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:23:33,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:23:33,007 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:23:33,007 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:23:33,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:23:33,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:23:33,008 INFO L87 Difference]: Start difference. First operand 629420 states and 821276 transitions. Second operand 5 states. [2019-10-03 00:23:35,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:23:35,966 INFO L93 Difference]: Finished difference Result 629428 states and 821282 transitions. [2019-10-03 00:23:35,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:23:35,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 494 [2019-10-03 00:23:35,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:23:39,053 INFO L225 Difference]: With dead ends: 629428 [2019-10-03 00:23:39,053 INFO L226 Difference]: Without dead ends: 629428 [2019-10-03 00:23:39,053 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 [2019-10-03 00:23:39,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629428 states. [2019-10-03 00:23:50,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629428 to 629428. [2019-10-03 00:23:50,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629428 states. [2019-10-03 00:24:06,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629428 states to 629428 states and 821282 transitions. [2019-10-03 00:24:06,829 INFO L78 Accepts]: Start accepts. Automaton has 629428 states and 821282 transitions. Word has length 494 [2019-10-03 00:24:06,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:24:06,830 INFO L475 AbstractCegarLoop]: Abstraction has 629428 states and 821282 transitions. [2019-10-03 00:24:06,830 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:24:06,830 INFO L276 IsEmpty]: Start isEmpty. Operand 629428 states and 821282 transitions. [2019-10-03 00:24:06,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2019-10-03 00:24:06,834 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:24:06,834 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 14, 13, 13, 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, 1, 1] [2019-10-03 00:24:06,835 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]=== [2019-10-03 00:24:06,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:24:06,835 INFO L82 PathProgramCache]: Analyzing trace with hash -90011788, now seen corresponding path program 1 times [2019-10-03 00:24:06,835 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:24:06,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:24:06,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:24:06,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:24:06,848 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:24:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:24:07,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4291 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4256 trivial. 0 not checked. [2019-10-03 00:24:07,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:24:07,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:24:07,918 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:24:07,919 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:24:07,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:24:07,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:24:07,922 INFO L87 Difference]: Start difference. First operand 629428 states and 821282 transitions. Second operand 5 states. [2019-10-03 00:24:12,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:24:12,031 INFO L93 Difference]: Finished difference Result 629436 states and 821288 transitions. [2019-10-03 00:24:12,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:24:12,031 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 470 [2019-10-03 00:24:12,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:24:14,147 INFO L225 Difference]: With dead ends: 629436 [2019-10-03 00:24:14,147 INFO L226 Difference]: Without dead ends: 629436 [2019-10-03 00:24:14,147 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 [2019-10-03 00:24:16,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629436 states. [2019-10-03 00:24:35,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629436 to 629436. [2019-10-03 00:24:35,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629436 states. [2019-10-03 00:24:38,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629436 states to 629436 states and 821288 transitions. [2019-10-03 00:24:38,498 INFO L78 Accepts]: Start accepts. Automaton has 629436 states and 821288 transitions. Word has length 470 [2019-10-03 00:24:38,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:24:38,498 INFO L475 AbstractCegarLoop]: Abstraction has 629436 states and 821288 transitions. [2019-10-03 00:24:38,499 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:24:38,499 INFO L276 IsEmpty]: Start isEmpty. Operand 629436 states and 821288 transitions. [2019-10-03 00:24:38,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2019-10-03 00:24:48,737 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:24:48,738 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:24:48,738 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:24:48,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:24:48,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1076763308, now seen corresponding path program 1 times [2019-10-03 00:24:48,739 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:24:48,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:24:48,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:24:48,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:24:48,752 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:24:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:24:49,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4033 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4020 trivial. 0 not checked. [2019-10-03 00:24:49,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:24:49,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:24:49,094 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:24:49,095 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:24:49,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:24:49,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:24:49,095 INFO L87 Difference]: Start difference. First operand 629436 states and 821288 transitions. Second operand 3 states. [2019-10-03 00:24:56,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:24:56,789 INFO L93 Difference]: Finished difference Result 880065 states and 1146301 transitions. [2019-10-03 00:24:56,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:24:56,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 471 [2019-10-03 00:24:56,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:25:00,941 INFO L225 Difference]: With dead ends: 880065 [2019-10-03 00:25:00,942 INFO L226 Difference]: Without dead ends: 880065 [2019-10-03 00:25:00,942 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:25:01,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880065 states. [2019-10-03 00:25:28,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880065 to 879693. [2019-10-03 00:25:28,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879693 states. [2019-10-03 00:25:35,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879693 states to 879693 states and 1145862 transitions. [2019-10-03 00:25:35,362 INFO L78 Accepts]: Start accepts. Automaton has 879693 states and 1145862 transitions. Word has length 471 [2019-10-03 00:25:35,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:25:35,362 INFO L475 AbstractCegarLoop]: Abstraction has 879693 states and 1145862 transitions. [2019-10-03 00:25:35,362 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:25:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 879693 states and 1145862 transitions. [2019-10-03 00:25:35,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2019-10-03 00:25:35,366 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:25:35,366 INFO L411 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-03 00:25:35,366 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:25:35,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:25:35,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1590436125, now seen corresponding path program 1 times [2019-10-03 00:25:35,367 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:25:35,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:25:35,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:25:35,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:25:35,381 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:25:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:25:35,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4033 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4020 trivial. 0 not checked. [2019-10-03 00:25:35,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:25:35,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:25:35,862 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:25:35,863 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:25:35,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:25:35,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:25:35,865 INFO L87 Difference]: Start difference. First operand 879693 states and 1145862 transitions. Second operand 3 states. [2019-10-03 00:26:02,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:26:02,117 INFO L93 Difference]: Finished difference Result 1196755 states and 1554701 transitions. [2019-10-03 00:26:02,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:26:02,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 472 [2019-10-03 00:26:02,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:26:08,261 INFO L225 Difference]: With dead ends: 1196755 [2019-10-03 00:26:08,261 INFO L226 Difference]: Without dead ends: 1196755 [2019-10-03 00:26:08,261 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:26:09,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196755 states. [2019-10-03 00:26:51,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196755 to 1196199. [2019-10-03 00:26:51,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1196199 states.