java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -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 0.1.24-36ac518-m [2019-10-07 07:57:24,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 07:57:24,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 07:57:24,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 07:57:24,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 07:57:24,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 07:57:24,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 07:57:24,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 07:57:24,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 07:57:24,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 07:57:24,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 07:57:24,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 07:57:24,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 07:57:24,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 07:57:24,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 07:57:24,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 07:57:24,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 07:57:24,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 07:57:24,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 07:57:24,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 07:57:24,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 07:57:24,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 07:57:24,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 07:57:24,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 07:57:24,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 07:57:24,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 07:57:24,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 07:57:24,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 07:57:24,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 07:57:24,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 07:57:24,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 07:57:24,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 07:57:24,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 07:57:24,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 07:57:24,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 07:57:24,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 07:57:24,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 07:57:24,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 07:57:24,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 07:57:24,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 07:57:24,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 07:57:24,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 07:57:24,846 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 07:57:24,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 07:57:24,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 07:57:24,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 07:57:24,849 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 07:57:24,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 07:57:24,849 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 07:57:24,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 07:57:24,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 07:57:24,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 07:57:24,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 07:57:24,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 07:57:24,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 07:57:24,852 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 07:57:24,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 07:57:24,853 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 07:57:24,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 07:57:24,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 07:57:24,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 07:57:24,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 07:57:24,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 07:57:24,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 07:57:24,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 07:57:24,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 07:57:24,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 07:57:24,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 07:57:24,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 07:57:24,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 07:57:24,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 07:57:25,129 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 07:57:25,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 07:57:25,146 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 07:57:25,147 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 07:57:25,148 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 07:57:25,149 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2019-10-07 07:57:25,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e8594b34/9fee222bfbc5424fae3b9028411acaa0/FLAGf77078afe [2019-10-07 07:57:26,250 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 07:57:26,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2019-10-07 07:57:26,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e8594b34/9fee222bfbc5424fae3b9028411acaa0/FLAGf77078afe [2019-10-07 07:57:26,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e8594b34/9fee222bfbc5424fae3b9028411acaa0 [2019-10-07 07:57:26,617 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 07:57:26,619 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 07:57:26,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 07:57:26,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 07:57:26,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 07:57:26,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 07:57:26" (1/1) ... [2019-10-07 07:57:26,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a415c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:26, skipping insertion in model container [2019-10-07 07:57:26,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 07:57:26" (1/1) ... [2019-10-07 07:57:26,632 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 07:57:26,851 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 07:57:31,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 07:57:31,706 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 07:57:32,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 07:57:33,209 INFO L192 MainTranslator]: Completed translation [2019-10-07 07:57:33,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:33 WrapperNode [2019-10-07 07:57:33,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 07:57:33,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 07:57:33,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 07:57:33,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 07:57:33,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:33" (1/1) ... [2019-10-07 07:57:33,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:33" (1/1) ... [2019-10-07 07:57:33,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:33" (1/1) ... [2019-10-07 07:57:33,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:33" (1/1) ... [2019-10-07 07:57:33,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:33" (1/1) ... [2019-10-07 07:57:33,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:33" (1/1) ... [2019-10-07 07:57:33,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:33" (1/1) ... [2019-10-07 07:57:33,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 07:57:33,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 07:57:33,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 07:57:33,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 07:57:33,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:33" (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 [2019-10-07 07:57:33,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 07:57:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 07:57:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-10-07 07:57:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 07:57:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 07:57:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 07:57:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-07 07:57:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-07 07:57:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-07 07:57:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-07 07:57:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2019-10-07 07:57:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 07:57:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-07 07:57:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-07 07:57:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-07 07:57:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-07 07:57:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2019-10-07 07:57:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2019-10-07 07:57:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab64p [2019-10-07 07:57:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __be64_to_cpup [2019-10-07 07:57:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2019-10-07 07:57:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-07 07:57:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2019-10-07 07:57:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2019-10-07 07:57:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-07 07:57:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-07 07:57:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2019-10-07 07:57:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-07 07:57:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-07 07:57:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2019-10-07 07:57:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-10-07 07:57:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-10-07 07:57:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_static_branch [2019-10-07 07:57:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure static_key_false [2019-10-07 07:57:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 07:57:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 07:57:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-10-07 07:57:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-10-07 07:57:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_sched_notrace [2019-10-07 07:57:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-07 07:57:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-07 07:57:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be64 [2019-10-07 07:57:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_decode_hyper [2019-10-07 07:57:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 07:57:33,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-07 07:57:33,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 07:57:33,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2019-10-07 07:57:33,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-10-07 07:57:33,856 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2019-10-07 07:57:33,856 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SB [2019-10-07 07:57:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2019-10-07 07:57:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_CLIENT [2019-10-07 07:57:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2019-10-07 07:57:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_lock_request [2019-10-07 07:57:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_list_add_request [2019-10-07 07:57:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_list_entry [2019-10-07 07:57:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2019-10-07 07:57:33,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2019-10-07 07:57:33,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_enabled_sb [2019-10-07 07:57:33,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_return_layout [2019-10-07 07:57:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2019-10-07 07:57:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2019-10-07 07:57:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2019-10-07 07:57:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_invalid [2019-10-07 07:57:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_nfs4_pnfs_read [2019-10-07 07:57:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_nfs4_pnfs_write [2019-10-07 07:57:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_nfs4_pnfs_commit_ds [2019-10-07 07:57:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dense_offset [2019-10-07 07:57:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2019-10-07 07:57:33,861 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2019-10-07 07:57:33,861 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2019-10-07 07:57:33,861 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2019-10-07 07:57:33,862 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_async_handle_error [2019-10-07 07:57:33,863 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_done_cb [2019-10-07 07:57:33,863 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_set_layoutcommit [2019-10-07 07:57:33,863 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2019-10-07 07:57:33,863 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2019-10-07 07:57:33,863 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2019-10-07 07:57:33,864 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2019-10-07 07:57:33,864 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2019-10-07 07:57:33,865 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2019-10-07 07:57:33,865 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_done_cb [2019-10-07 07:57:33,865 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2019-10-07 07:57:33,865 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_done_cb [2019-10-07 07:57:33,866 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2019-10-07 07:57:33,866 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2019-10-07 07:57:33,867 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2019-10-07 07:57:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2019-10-07 07:57:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2019-10-07 07:57:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2019-10-07 07:57:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2019-10-07 07:57:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2019-10-07 07:57:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2019-10-07 07:57:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2019-10-07 07:57:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_check_layout [2019-10-07 07:57:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2019-10-07 07:57:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2019-10-07 07:57:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_decode_layout [2019-10-07 07:57:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2019-10-07 07:57:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_commit_info [2019-10-07 07:57:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2019-10-07 07:57:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2019-10-07 07:57:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2019-10-07 07:57:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2019-10-07 07:57:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure select_bucket_index [2019-10-07 07:57:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2019-10-07 07:57:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_choose_commit_list [2019-10-07 07:57:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2019-10-07 07:57:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_ds_index_from_commit [2019-10-07 07:57:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure select_ds_fh_from_commit [2019-10-07 07:57:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_initiate_commit [2019-10-07 07:57:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2019-10-07 07:57:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_ds_commit_list [2019-10-07 07:57:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2019-10-07 07:57:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2019-10-07 07:57:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_ds_commits [2019-10-07 07:57:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2019-10-07 07:57:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2019-10-07 07:57:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2019-10-07 07:57:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2019-10-07 07:57:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2019-10-07 07:57:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4filelayout_init [2019-10-07 07:57:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4filelayout_exit [2019-10-07 07:57:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2019-10-07 07:57:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_nfs4filelayout_init_5_11 [2019-10-07 07:57:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-10-07 07:57:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_1_5_4 [2019-10-07 07:57:33,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_2_5_5 [2019-10-07 07:57:33,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_1_5_6 [2019-10-07 07:57:33,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_2_5_7 [2019-10-07 07:57:33,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_12 [2019-10-07 07:57:33,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_15 [2019-10-07 07:57:33,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-10-07 07:57:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_9 [2019-10-07 07:57:33,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-10-07 07:57:33,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-10-07 07:57:33,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 07:57:33,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-10-07 07:57:33,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_12 [2019-10-07 07:57:33,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_15 [2019-10-07 07:57:33,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-10-07 07:57:33,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_9 [2019-10-07 07:57:33,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_12 [2019-10-07 07:57:33,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_13 [2019-10-07 07:57:33,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_16 [2019-10-07 07:57:33,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_17 [2019-10-07 07:57:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_18 [2019-10-07 07:57:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_19 [2019-10-07 07:57:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_20 [2019-10-07 07:57:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_21 [2019-10-07 07:57:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_22 [2019-10-07 07:57:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_23 [2019-10-07 07:57:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_26 [2019-10-07 07:57:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_27 [2019-10-07 07:57:33,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_28 [2019-10-07 07:57:33,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-07 07:57:33,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_31 [2019-10-07 07:57:33,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_9 [2019-10-07 07:57:33,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_12 [2019-10-07 07:57:33,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_13 [2019-10-07 07:57:33,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_16 [2019-10-07 07:57:33,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_17 [2019-10-07 07:57:33,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_18 [2019-10-07 07:57:33,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_19 [2019-10-07 07:57:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_20 [2019-10-07 07:57:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_21 [2019-10-07 07:57:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_22 [2019-10-07 07:57:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_23 [2019-10-07 07:57:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_26 [2019-10-07 07:57:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_27 [2019-10-07 07:57:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_28 [2019-10-07 07:57:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-07 07:57:33,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_31 [2019-10-07 07:57:33,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_9 [2019-10-07 07:57:33,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_5 [2019-10-07 07:57:33,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 07:57:33,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-10-07 07:57:33,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_0 [2019-10-07 07:57:33,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_1 [2019-10-07 07:57:33,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_2 [2019-10-07 07:57:33,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-10-07 07:57:33,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-10-07 07:57:33,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-10-07 07:57:33,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_5 [2019-10-07 07:57:33,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-10-07 07:57:33,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2019-10-07 07:57:33,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_1 [2019-10-07 07:57:33,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_5 [2019-10-07 07:57:33,899 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 07:57:33,899 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 07:57:33,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2019-10-07 07:57:33,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2019-10-07 07:57:33,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2019-10-07 07:57:33,899 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2019-10-07 07:57:33,899 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-07 07:57:33,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-07 07:57:33,900 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-07 07:57:33,900 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_on_bit [2019-10-07 07:57:33,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipv6_addr_src_scope [2019-10-07 07:57:33,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_addr_src_scope [2019-10-07 07:57:33,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_addr_equal [2019-10-07 07:57:33,900 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_page_array_len [2019-10-07 07:57:33,900 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_devid_invalid [2019-10-07 07:57:33,901 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ds [2019-10-07 07:57:33,901 INFO L138 BoogieDeclarations]: Found implementation of procedure same_sockaddr [2019-10-07 07:57:33,901 INFO L138 BoogieDeclarations]: Found implementation of procedure _same_data_server_addrs_locked [2019-10-07 07:57:33,901 INFO L138 BoogieDeclarations]: Found implementation of procedure _data_server_lookup_locked [2019-10-07 07:57:33,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_ds_connect [2019-10-07 07:57:33,901 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_ds [2019-10-07 07:57:33,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2019-10-07 07:57:33,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_pnfs_remotestr [2019-10-07 07:57:33,902 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_pnfs_ds_add [2019-10-07 07:57:33,902 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_ds_addr [2019-10-07 07:57:33,902 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_device [2019-10-07 07:57:33,902 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_and_add_device [2019-10-07 07:57:33,902 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_device_info [2019-10-07 07:57:33,902 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2019-10-07 07:57:33,902 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2019-10-07 07:57:33,903 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2019-10-07 07:57:33,903 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2019-10-07 07:57:33,903 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_wait_ds_connect [2019-10-07 07:57:33,903 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_clear_ds_conn_bit [2019-10-07 07:57:33,903 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2019-10-07 07:57:33,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_3 [2019-10-07 07:57:33,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_4 [2019-10-07 07:57:33,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-10-07 07:57:33,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_5 [2019-10-07 07:57:33,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-10-07 07:57:33,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_5 [2019-10-07 07:57:33,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-07 07:57:33,904 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 07:57:33,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_atomic_dec_and_lock_79 [2019-10-07 07:57:33,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80___0 [2019-10-07 07:57:33,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81___0 [2019-10-07 07:57:33,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-07 07:57:33,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-07 07:57:33,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-07 07:57:33,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 07:57:33,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 07:57:33,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 07:57:33,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 07:57:33,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-07 07:57:33,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-07 07:57:33,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-07 07:57:33,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-07 07:57:33,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-07 07:57:33,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-07 07:57:33,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 07:57:33,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 07:57:33,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 07:57:33,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 07:57:33,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-07 07:57:33,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 07:57:33,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-07 07:57:33,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-07 07:57:33,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-07 07:57:33,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-07 07:57:33,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-07 07:57:33,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-07 07:57:33,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-07 07:57:33,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 07:57:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 07:57:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 07:57:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-07 07:57:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-07 07:57:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-07 07:57:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-07 07:57:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-07 07:57:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-07 07:57:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-07 07:57:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-07 07:57:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-07 07:57:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-07 07:57:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-07 07:57:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-07 07:57:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-07 07:57:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-07 07:57:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-07 07:57:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-07 07:57:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-07 07:57:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-07 07:57:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-07 07:57:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-07 07:57:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-07 07:57:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-07 07:57:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-07 07:57:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-07 07:57:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-07 07:57:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-07 07:57:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-07 07:57:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-07 07:57:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-07 07:57:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-07 07:57:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cl_lock_of_nfs_client [2019-10-07 07:57:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_cl_lock_of_nfs_client [2019-10-07 07:57:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_cl_lock_of_nfs_client [2019-10-07 07:57:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_cl_lock_of_nfs_client [2019-10-07 07:57:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_cl_lock_of_nfs_client [2019-10-07 07:57:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_cl_lock_of_nfs_client [2019-10-07 07:57:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_cl_lock_of_nfs_client [2019-10-07 07:57:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_cl_lock_of_nfs_client [2019-10-07 07:57:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-10-07 07:57:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-07 07:57:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-07 07:57:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-07 07:57:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-07 07:57:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-07 07:57:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-07 07:57:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-07 07:57:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-10-07 07:57:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-10-07 07:57:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-10-07 07:57:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-10-07 07:57:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-10-07 07:57:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-10-07 07:57:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-10-07 07:57:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-10-07 07:57:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_nfs_commit_info [2019-10-07 07:57:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_nfs_commit_info [2019-10-07 07:57:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_nfs_commit_info [2019-10-07 07:57:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_nfs_commit_info [2019-10-07 07:57:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_nfs_commit_info [2019-10-07 07:57:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_nfs_commit_info [2019-10-07 07:57:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_nfs_commit_info [2019-10-07 07:57:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_nfs_commit_info [2019-10-07 07:57:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_res_counter [2019-10-07 07:57:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_res_counter [2019-10-07 07:57:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_res_counter [2019-10-07 07:57:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_res_counter [2019-10-07 07:57:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_res_counter [2019-10-07 07:57:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_res_counter [2019-10-07 07:57:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_res_counter [2019-10-07 07:57:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2019-10-07 07:57:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-07 07:57:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-07 07:57:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-07 07:57:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-07 07:57:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-07 07:57:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-07 07:57:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-07 07:57:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-07 07:57:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_nfs4_ds_cache_lock [2019-10-07 07:57:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_nfs4_ds_cache_lock [2019-10-07 07:57:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_nfs4_ds_cache_lock [2019-10-07 07:57:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_nfs4_ds_cache_lock [2019-10-07 07:57:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_nfs4_ds_cache_lock [2019-10-07 07:57:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_nfs4_ds_cache_lock [2019-10-07 07:57:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_nfs4_ds_cache_lock [2019-10-07 07:57:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_nfs4_ds_cache_lock [2019-10-07 07:57:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-07 07:57:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-07 07:57:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-07 07:57:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-07 07:57:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-07 07:57:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-07 07:57:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-07 07:57:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-07 07:57:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-10-07 07:57:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-10-07 07:57:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-10-07 07:57:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-10-07 07:57:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-10-07 07:57:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-10-07 07:57:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-10-07 07:57:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-10-07 07:57:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-07 07:57:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-07 07:57:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-07 07:57:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-07 07:57:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-07 07:57:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-07 07:57:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-07 07:57:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-07 07:57:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_sk_dst_lock_of_sock [2019-10-07 07:57:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2019-10-07 07:57:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2019-10-07 07:57:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2019-10-07 07:57:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2019-10-07 07:57:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2019-10-07 07:57:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2019-10-07 07:57:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2019-10-07 07:57:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-07 07:57:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-07 07:57:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-07 07:57:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-07 07:57:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-07 07:57:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-07 07:57:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-07 07:57:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-07 07:57:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 07:57:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-10-07 07:57:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-07 07:57:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-07 07:57:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-07 07:57:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-07 07:57:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __cond_resched_lock [2019-10-07 07:57:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2019-10-07 07:57:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipv6_addr_type [2019-10-07 07:57:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_atomic_dec_and_lock [2019-10-07 07:57:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 07:57:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-07 07:57:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-07 07:57:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure _pnfs_return_layout [2019-10-07 07:57:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 07:57:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 07:57:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-10-07 07:57:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-07 07:57:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-07 07:57:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-07 07:57:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-07 07:57:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 07:57:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 07:57:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2019-10-07 07:57:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-10-07 07:57:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2019-10-07 07:57:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2019-10-07 07:57:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_get_deviceid [2019-10-07 07:57:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2019-10-07 07:57:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_init_deviceid_node [2019-10-07 07:57:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_init_ds_session [2019-10-07 07:57:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_insert_deviceid_node [2019-10-07 07:57:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2019-10-07 07:57:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2019-10-07 07:57:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_proc_getdeviceinfo [2019-10-07 07:57:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_put_deviceid_node [2019-10-07 07:57:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_schedule_lease_recovery [2019-10-07 07:57:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_schedule_session_recovery [2019-10-07 07:57:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_schedule_stateid_recovery [2019-10-07 07:57:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_ds_client [2019-10-07 07:57:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2019-10-07 07:57:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_test_deviceid_unavailable [2019-10-07 07:57:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2019-10-07 07:57:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_release [2019-10-07 07:57:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_generic_pg_test [2019-10-07 07:57:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_cinfo [2019-10-07 07:57:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2019-10-07 07:57:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2019-10-07 07:57:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_read [2019-10-07 07:57:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_write [2019-10-07 07:57:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2019-10-07 07:57:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_write_mds [2019-10-07 07:57:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2019-10-07 07:57:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_remove_bad_delegation [2019-10-07 07:57:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_add_commit_list [2019-10-07 07:57:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2019-10-07 07:57:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2019-10-07 07:57:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure out_of_line_wait_on_bit [2019-10-07 07:57:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_destroy_layout [2019-10-07 07:57:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_readpages [2019-10-07 07:57:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_test [2019-10-07 07:57:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_writepages [2019-10-07 07:57:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2019-10-07 07:57:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_read_done_resend_to_mds [2019-10-07 07:57:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_register_layoutdriver [2019-10-07 07:57:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_set_layoutcommit [2019-10-07 07:57:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_unregister_layoutdriver [2019-10-07 07:57:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2019-10-07 07:57:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_write_done_resend_to_mds [2019-10-07 07:57:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 07:57:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-10-07 07:57:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2019-10-07 07:57:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2019-10-07 07:57:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_delay [2019-10-07 07:57:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2019-10-07 07:57:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pton [2019-10-07 07:57:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_restart_call_prepare [2019-10-07 07:57:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_sleep_on [2019-10-07 07:57:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_wake_up [2019-10-07 07:57:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_wake_up_queued_task [2019-10-07 07:57:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_bit [2019-10-07 07:57:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 07:57:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2019-10-07 07:57:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2019-10-07 07:57:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2019-10-07 07:57:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 07:57:33,947 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 07:57:33,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 07:57:33,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 07:57:33,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 07:57:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 07:57:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 07:57:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-07 07:57:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 07:57:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 07:57:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 07:57:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-07 07:57:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 07:57:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-07 07:57:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-07 07:57:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-07 07:57:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-07 07:57:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2019-10-07 07:57:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 07:57:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-07 07:57:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-07 07:57:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-07 07:57:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 07:57:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-07 07:57:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2019-10-07 07:57:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2019-10-07 07:57:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure __swab64p [2019-10-07 07:57:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure __be64_to_cpup [2019-10-07 07:57:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2019-10-07 07:57:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 07:57:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-07 07:57:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-07 07:57:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 07:57:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 07:57:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-07 07:57:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2019-10-07 07:57:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 07:57:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2019-10-07 07:57:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 07:57:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 07:57:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 07:57:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-07 07:57:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-07 07:57:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-07 07:57:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2019-10-07 07:57:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-07 07:57:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-07 07:57:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2019-10-07 07:57:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-10-07 07:57:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_nfs_commit_info [2019-10-07 07:57:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_nfs_commit_info [2019-10-07 07:57:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 07:57:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-07 07:57:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 07:57:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-07 07:57:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 07:57:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 07:57:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-07 07:57:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-07 07:57:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-07 07:57:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2019-10-07 07:57:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-10-07 07:57:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-10-07 07:57:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure arch_static_branch [2019-10-07 07:57:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure static_key_false [2019-10-07 07:57:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 07:57:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 07:57:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 07:57:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2019-10-07 07:57:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 07:57:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2019-10-07 07:57:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-10-07 07:57:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2019-10-07 07:57:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-07 07:57:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-10-07 07:57:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-10-07 07:57:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_sched_notrace [2019-10-07 07:57:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-10-07 07:57:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-07 07:57:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2019-10-07 07:57:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-07 07:57:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be64 [2019-10-07 07:57:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_decode_hyper [2019-10-07 07:57:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2019-10-07 07:57:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2019-10-07 07:57:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2019-10-07 07:57:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2019-10-07 07:57:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_sleep_on [2019-10-07 07:57:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_wake_up_queued_task [2019-10-07 07:57:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_wake_up [2019-10-07 07:57:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_delay [2019-10-07 07:57:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 07:57:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 07:57:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 07:57:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-07 07:57:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 07:57:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2019-10-07 07:57:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-10-07 07:57:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 07:57:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure __cond_resched_lock [2019-10-07 07:57:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_restart_call_prepare [2019-10-07 07:57:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2019-10-07 07:57:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SB [2019-10-07 07:57:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2019-10-07 07:57:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_CLIENT [2019-10-07 07:57:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2019-10-07 07:57:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2019-10-07 07:57:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_generic_pg_test [2019-10-07 07:57:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_lock_request [2019-10-07 07:57:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_list_add_request [2019-10-07 07:57:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_list_entry [2019-10-07 07:57:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2019-10-07 07:57:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2019-10-07 07:57:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2019-10-07 07:57:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2019-10-07 07:57:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2019-10-07 07:57:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_schedule_session_recovery [2019-10-07 07:57:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_schedule_lease_recovery [2019-10-07 07:57:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_schedule_stateid_recovery [2019-10-07 07:57:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2019-10-07 07:57:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2019-10-07 07:57:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_read [2019-10-07 07:57:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2019-10-07 07:57:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_write_mds [2019-10-07 07:57:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_write [2019-10-07 07:57:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2019-10-07 07:57:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2019-10-07 07:57:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2019-10-07 07:57:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_release [2019-10-07 07:57:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_add_commit_list [2019-10-07 07:57:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2019-10-07 07:57:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_cinfo [2019-10-07 07:57:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_remove_bad_delegation [2019-10-07 07:57:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_register_layoutdriver [2019-10-07 07:57:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_unregister_layoutdriver [2019-10-07 07:57:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2019-10-07 07:57:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_readpages [2019-10-07 07:57:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_writepages [2019-10-07 07:57:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_test [2019-10-07 07:57:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_destroy_layout [2019-10-07 07:57:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_set_layoutcommit [2019-10-07 07:57:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure _pnfs_return_layout [2019-10-07 07:57:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2019-10-07 07:57:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_read_done_resend_to_mds [2019-10-07 07:57:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_write_done_resend_to_mds [2019-10-07 07:57:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_get_deviceid [2019-10-07 07:57:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2019-10-07 07:57:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_test_deviceid_unavailable [2019-10-07 07:57:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2019-10-07 07:57:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_enabled_sb [2019-10-07 07:57:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_return_layout [2019-10-07 07:57:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2019-10-07 07:57:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2019-10-07 07:57:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2019-10-07 07:57:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2019-10-07 07:57:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_invalid [2019-10-07 07:57:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2019-10-07 07:57:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2019-10-07 07:57:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2019-10-07 07:57:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2019-10-07 07:57:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2019-10-07 07:57:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2019-10-07 07:57:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2019-10-07 07:57:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_device_info [2019-10-07 07:57:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure trace_nfs4_pnfs_read [2019-10-07 07:57:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-10-07 07:57:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure trace_nfs4_pnfs_write [2019-10-07 07:57:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure trace_nfs4_pnfs_commit_ds [2019-10-07 07:57:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dense_offset [2019-10-07 07:57:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2019-10-07 07:57:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2019-10-07 07:57:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2019-10-07 07:57:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2019-10-07 07:57:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_async_handle_error [2019-10-07 07:57:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_done_cb [2019-10-07 07:57:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_set_layoutcommit [2019-10-07 07:57:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2019-10-07 07:57:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2019-10-07 07:57:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2019-10-07 07:57:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-07 07:57:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2019-10-07 07:57:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2019-10-07 07:57:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 07:57:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_done_cb [2019-10-07 07:57:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2019-10-07 07:57:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 07:57:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_done_cb [2019-10-07 07:57:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2019-10-07 07:57:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2019-10-07 07:57:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2019-10-07 07:57:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2019-10-07 07:57:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2019-10-07 07:57:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2019-10-07 07:57:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2019-10-07 07:57:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2019-10-07 07:57:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2019-10-07 07:57:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2019-10-07 07:57:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_check_layout [2019-10-07 07:57:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2019-10-07 07:57:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2019-10-07 07:57:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_decode_layout [2019-10-07 07:57:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2019-10-07 07:57:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_commit_info [2019-10-07 07:57:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2019-10-07 07:57:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2019-10-07 07:57:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2019-10-07 07:57:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2019-10-07 07:57:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure select_bucket_index [2019-10-07 07:57:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2019-10-07 07:57:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_choose_commit_list [2019-10-07 07:57:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2019-10-07 07:57:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure calc_ds_index_from_commit [2019-10-07 07:57:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure select_ds_fh_from_commit [2019-10-07 07:57:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_initiate_commit [2019-10-07 07:57:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2019-10-07 07:57:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_ds_commit_list [2019-10-07 07:57:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2019-10-07 07:57:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2019-10-07 07:57:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_ds_commits [2019-10-07 07:57:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2019-10-07 07:57:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2019-10-07 07:57:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2019-10-07 07:57:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2019-10-07 07:57:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2019-10-07 07:57:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4filelayout_init [2019-10-07 07:57:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4filelayout_exit [2019-10-07 07:57:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2019-10-07 07:57:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_nfs4filelayout_init_5_11 [2019-10-07 07:57:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-10-07 07:57:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_1_5_4 [2019-10-07 07:57:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_2_5_5 [2019-10-07 07:57:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_1_5_6 [2019-10-07 07:57:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_2_5_7 [2019-10-07 07:57:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_12 [2019-10-07 07:57:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_15 [2019-10-07 07:57:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-10-07 07:57:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_9 [2019-10-07 07:57:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-10-07 07:57:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-10-07 07:57:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 07:57:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-10-07 07:57:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_12 [2019-10-07 07:57:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_15 [2019-10-07 07:57:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-10-07 07:57:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_9 [2019-10-07 07:57:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_12 [2019-10-07 07:57:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_13 [2019-10-07 07:57:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_16 [2019-10-07 07:57:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_17 [2019-10-07 07:57:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_18 [2019-10-07 07:57:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_19 [2019-10-07 07:57:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_20 [2019-10-07 07:57:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_21 [2019-10-07 07:57:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_22 [2019-10-07 07:57:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_23 [2019-10-07 07:57:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_26 [2019-10-07 07:57:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_27 [2019-10-07 07:57:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_28 [2019-10-07 07:57:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-07 07:57:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_31 [2019-10-07 07:57:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_9 [2019-10-07 07:57:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_12 [2019-10-07 07:57:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_13 [2019-10-07 07:57:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_16 [2019-10-07 07:57:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_17 [2019-10-07 07:57:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_18 [2019-10-07 07:57:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_19 [2019-10-07 07:57:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_20 [2019-10-07 07:57:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_21 [2019-10-07 07:57:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_22 [2019-10-07 07:57:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_23 [2019-10-07 07:57:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_26 [2019-10-07 07:57:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_27 [2019-10-07 07:57:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_28 [2019-10-07 07:57:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-07 07:57:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_31 [2019-10-07 07:57:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_9 [2019-10-07 07:57:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_5 [2019-10-07 07:57:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 07:57:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-10-07 07:57:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_0 [2019-10-07 07:57:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_1 [2019-10-07 07:57:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_lib80211_crypto_ops_dummy_resourceless_instance_2 [2019-10-07 07:57:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_3 [2019-10-07 07:57:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_4 [2019-10-07 07:57:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-10-07 07:57:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-10-07 07:57:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-10-07 07:57:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_5 [2019-10-07 07:57:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-10-07 07:57:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2019-10-07 07:57:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_1 [2019-10-07 07:57:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_5 [2019-10-07 07:57:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-10-07 07:57:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_5 [2019-10-07 07:57:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-10-07 07:57:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_5 [2019-10-07 07:57:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 07:57:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 07:57:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2019-10-07 07:57:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2019-10-07 07:57:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-07 07:57:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-07 07:57:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-07 07:57:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-07 07:57:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-07 07:57:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-10-07 07:57:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-10-07 07:57:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-07 07:57:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 07:57:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-07 07:57:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_atomic_dec_and_lock [2019-10-07 07:57:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_atomic_dec_and_lock_79 [2019-10-07 07:57:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_nfs4_ds_cache_lock [2019-10-07 07:57:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_nfs4_ds_cache_lock [2019-10-07 07:57:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_nfs4_ds_cache_lock [2019-10-07 07:57:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81___0 [2019-10-07 07:57:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80___0 [2019-10-07 07:57:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_bit [2019-10-07 07:57:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure out_of_line_wait_on_bit [2019-10-07 07:57:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure wait_on_bit [2019-10-07 07:57:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure __ipv6_addr_type [2019-10-07 07:57:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure __ipv6_addr_src_scope [2019-10-07 07:57:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_addr_src_scope [2019-10-07 07:57:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_addr_equal [2019-10-07 07:57:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pton [2019-10-07 07:57:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_ds_client [2019-10-07 07:57:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_wait_bit_killable [2019-10-07 07:57:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_page_array_len [2019-10-07 07:57:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_init_ds_session [2019-10-07 07:57:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_proc_getdeviceinfo [2019-10-07 07:57:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_init_deviceid_node [2019-10-07 07:57:33,990 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_insert_deviceid_node [2019-10-07 07:57:33,990 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_put_deviceid_node [2019-10-07 07:57:33,990 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_devid_invalid [2019-10-07 07:57:33,990 INFO L130 BoogieDeclarations]: Found specification of procedure print_ds [2019-10-07 07:57:33,990 INFO L130 BoogieDeclarations]: Found specification of procedure same_sockaddr [2019-10-07 07:57:33,990 INFO L130 BoogieDeclarations]: Found specification of procedure _same_data_server_addrs_locked [2019-10-07 07:57:33,990 INFO L130 BoogieDeclarations]: Found specification of procedure _data_server_lookup_locked [2019-10-07 07:57:33,990 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_ds_connect [2019-10-07 07:57:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_ds [2019-10-07 07:57:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_pnfs_remotestr [2019-10-07 07:57:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_pnfs_ds_add [2019-10-07 07:57:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure decode_ds_addr [2019-10-07 07:57:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure decode_device [2019-10-07 07:57:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure decode_and_add_device [2019-10-07 07:57:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_wait_ds_connect [2019-10-07 07:57:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_clear_ds_conn_bit [2019-10-07 07:57:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-07 07:57:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-07 07:57:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-07 07:57:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 07:57:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-07 07:57:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 07:57:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-07 07:57:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-07 07:57:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-07 07:57:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 07:57:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-07 07:57:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-07 07:57:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 07:57:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-07 07:57:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-07 07:57:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-07 07:57:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-07 07:57:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-07 07:57:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 07:57:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 07:57:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 07:57:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 07:57:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 07:57:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 07:57:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 07:57:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 07:57:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 07:57:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-07 07:57:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-07 07:57:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 07:57:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 07:57:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 07:57:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-07 07:57:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-07 07:57:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-07 07:57:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-07 07:57:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-07 07:57:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-07 07:57:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-07 07:57:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-07 07:57:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-07 07:57:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-07 07:57:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-07 07:57:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-07 07:57:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-07 07:57:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-07 07:57:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-07 07:57:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-07 07:57:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-07 07:57:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-07 07:57:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-07 07:57:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-07 07:57:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-07 07:57:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-07 07:57:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-07 07:57:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-07 07:57:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-07 07:57:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-07 07:57:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-07 07:57:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-07 07:57:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-07 07:57:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-07 07:57:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-07 07:57:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-07 07:57:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cl_lock_of_nfs_client [2019-10-07 07:57:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_cl_lock_of_nfs_client [2019-10-07 07:57:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_cl_lock_of_nfs_client [2019-10-07 07:57:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_cl_lock_of_nfs_client [2019-10-07 07:57:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_cl_lock_of_nfs_client [2019-10-07 07:57:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_cl_lock_of_nfs_client [2019-10-07 07:57:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_cl_lock_of_nfs_client [2019-10-07 07:57:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_cl_lock_of_nfs_client [2019-10-07 07:57:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-10-07 07:57:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-07 07:57:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-07 07:57:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-07 07:57:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-07 07:57:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-07 07:57:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-07 07:57:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-07 07:57:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-10-07 07:57:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-10-07 07:57:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-10-07 07:57:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-10-07 07:57:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-10-07 07:57:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-10-07 07:57:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-10-07 07:57:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-10-07 07:57:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_nfs_commit_info [2019-10-07 07:57:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_nfs_commit_info [2019-10-07 07:57:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_nfs_commit_info [2019-10-07 07:57:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_nfs_commit_info [2019-10-07 07:57:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_nfs_commit_info [2019-10-07 07:57:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_nfs_commit_info [2019-10-07 07:57:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_res_counter [2019-10-07 07:57:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_res_counter [2019-10-07 07:57:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_res_counter [2019-10-07 07:57:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_res_counter [2019-10-07 07:57:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_res_counter [2019-10-07 07:57:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_res_counter [2019-10-07 07:57:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_res_counter [2019-10-07 07:57:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2019-10-07 07:57:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-07 07:57:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-07 07:57:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-07 07:57:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-07 07:57:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-07 07:57:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-07 07:57:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-07 07:57:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-07 07:57:34,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_nfs4_ds_cache_lock [2019-10-07 07:57:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_nfs4_ds_cache_lock [2019-10-07 07:57:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_nfs4_ds_cache_lock [2019-10-07 07:57:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_nfs4_ds_cache_lock [2019-10-07 07:57:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_nfs4_ds_cache_lock [2019-10-07 07:57:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-07 07:57:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-07 07:57:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-07 07:57:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-07 07:57:34,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-07 07:57:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-07 07:57:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-07 07:57:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-07 07:57:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-10-07 07:57:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-10-07 07:57:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-10-07 07:57:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-10-07 07:57:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-10-07 07:57:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-10-07 07:57:34,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-10-07 07:57:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-10-07 07:57:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-07 07:57:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-07 07:57:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-07 07:57:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-07 07:57:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-07 07:57:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-07 07:57:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-07 07:57:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-07 07:57:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_sk_dst_lock_of_sock [2019-10-07 07:57:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2019-10-07 07:57:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2019-10-07 07:57:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2019-10-07 07:57:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2019-10-07 07:57:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2019-10-07 07:57:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2019-10-07 07:57:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2019-10-07 07:57:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-07 07:57:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-07 07:57:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-07 07:57:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-07 07:57:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-07 07:57:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-07 07:57:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-07 07:57:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-07 07:57:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-10-07 07:57:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 07:57:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 07:57:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 07:57:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 07:57:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 07:57:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 07:57:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 07:57:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 07:57:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 07:57:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 07:57:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 07:57:38,406 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-10-07 07:57:39,085 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 07:57:53,880 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 07:57:53,880 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 07:57:53,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 07:57:53 BoogieIcfgContainer [2019-10-07 07:57:53,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 07:57:53,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 07:57:53,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 07:57:53,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 07:57:53,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 07:57:26" (1/3) ... [2019-10-07 07:57:53,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52cdfda3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 07:57:53, skipping insertion in model container [2019-10-07 07:57:53,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:33" (2/3) ... [2019-10-07 07:57:53,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52cdfda3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 07:57:53, skipping insertion in model container [2019-10-07 07:57:53,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 07:57:53" (3/3) ... [2019-10-07 07:57:53,891 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2019-10-07 07:57:53,901 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 07:57:53,912 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-07 07:57:53,921 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-07 07:57:53,957 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 07:57:53,957 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 07:57:53,957 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 07:57:53,957 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 07:57:53,957 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 07:57:53,957 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 07:57:53,958 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 07:57:53,958 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 07:57:54,027 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states. [2019-10-07 07:57:54,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-10-07 07:57:54,050 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:57:54,051 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 07:57:54,054 INFO L410 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]=== [2019-10-07 07:57:54,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:57:54,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1668630861, now seen corresponding path program 1 times [2019-10-07 07:57:54,067 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:57:54,067 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:57:54,067 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:57:54,067 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:57:54,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:57:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:57:55,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2805 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2805 trivial. 0 not checked. [2019-10-07 07:57:55,510 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:57:55,511 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:57:55,511 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:57:55,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:57:55,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:57:55,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:57:55,534 INFO L87 Difference]: Start difference. First operand 3045 states. Second operand 3 states. [2019-10-07 07:57:58,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:57:58,330 INFO L93 Difference]: Finished difference Result 6869 states and 9327 transitions. [2019-10-07 07:57:58,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:57:58,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 277 [2019-10-07 07:57:58,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:57:58,395 INFO L225 Difference]: With dead ends: 6869 [2019-10-07 07:57:58,395 INFO L226 Difference]: Without dead ends: 4552 [2019-10-07 07:57:58,420 INFO L606 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 [2019-10-07 07:57:58,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4552 states. [2019-10-07 07:57:58,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4552 to 4546. [2019-10-07 07:57:58,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4546 states. [2019-10-07 07:57:58,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4546 states to 4546 states and 6006 transitions. [2019-10-07 07:57:58,889 INFO L78 Accepts]: Start accepts. Automaton has 4546 states and 6006 transitions. Word has length 277 [2019-10-07 07:57:58,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:57:58,893 INFO L462 AbstractCegarLoop]: Abstraction has 4546 states and 6006 transitions. [2019-10-07 07:57:58,893 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:57:58,893 INFO L276 IsEmpty]: Start isEmpty. Operand 4546 states and 6006 transitions. [2019-10-07 07:57:58,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-10-07 07:57:58,905 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:57:58,906 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 07:57:58,907 INFO L410 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]=== [2019-10-07 07:57:58,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:57:58,907 INFO L82 PathProgramCache]: Analyzing trace with hash 2025331002, now seen corresponding path program 1 times [2019-10-07 07:57:58,908 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:57:58,908 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:57:58,908 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:57:58,908 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:57:58,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:57:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:57:59,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2805 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2805 trivial. 0 not checked. [2019-10-07 07:57:59,419 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:57:59,419 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:57:59,419 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:57:59,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:57:59,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:57:59,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:57:59,422 INFO L87 Difference]: Start difference. First operand 4546 states and 6006 transitions. Second operand 3 states. [2019-10-07 07:58:02,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:02,206 INFO L93 Difference]: Finished difference Result 11203 states and 14784 transitions. [2019-10-07 07:58:02,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:58:02,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 282 [2019-10-07 07:58:02,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:02,261 INFO L225 Difference]: With dead ends: 11203 [2019-10-07 07:58:02,261 INFO L226 Difference]: Without dead ends: 6743 [2019-10-07 07:58:02,288 INFO L606 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 [2019-10-07 07:58:02,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6743 states. [2019-10-07 07:58:02,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6743 to 6681. [2019-10-07 07:58:02,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6681 states. [2019-10-07 07:58:02,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6681 states to 6681 states and 8807 transitions. [2019-10-07 07:58:02,986 INFO L78 Accepts]: Start accepts. Automaton has 6681 states and 8807 transitions. Word has length 282 [2019-10-07 07:58:02,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:02,988 INFO L462 AbstractCegarLoop]: Abstraction has 6681 states and 8807 transitions. [2019-10-07 07:58:02,988 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:58:02,988 INFO L276 IsEmpty]: Start isEmpty. Operand 6681 states and 8807 transitions. [2019-10-07 07:58:02,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-10-07 07:58:02,994 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:02,994 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 07:58:02,994 INFO L410 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]=== [2019-10-07 07:58:02,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:02,995 INFO L82 PathProgramCache]: Analyzing trace with hash 15368892, now seen corresponding path program 1 times [2019-10-07 07:58:02,995 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:02,995 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:02,995 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:02,996 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:02,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:03,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2805 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2805 trivial. 0 not checked. [2019-10-07 07:58:03,436 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:03,436 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:03,436 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:58:03,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:58:03,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:58:03,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:58:03,438 INFO L87 Difference]: Start difference. First operand 6681 states and 8807 transitions. Second operand 3 states. [2019-10-07 07:58:06,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:06,326 INFO L93 Difference]: Finished difference Result 17602 states and 23188 transitions. [2019-10-07 07:58:06,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:58:06,327 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2019-10-07 07:58:06,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:06,422 INFO L225 Difference]: With dead ends: 17602 [2019-10-07 07:58:06,422 INFO L226 Difference]: Without dead ends: 11007 [2019-10-07 07:58:06,459 INFO L606 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 [2019-10-07 07:58:06,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11007 states. [2019-10-07 07:58:07,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11007 to 10951. [2019-10-07 07:58:07,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10951 states. [2019-10-07 07:58:07,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10951 states to 10951 states and 14410 transitions. [2019-10-07 07:58:07,109 INFO L78 Accepts]: Start accepts. Automaton has 10951 states and 14410 transitions. Word has length 286 [2019-10-07 07:58:07,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:07,111 INFO L462 AbstractCegarLoop]: Abstraction has 10951 states and 14410 transitions. [2019-10-07 07:58:07,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:58:07,112 INFO L276 IsEmpty]: Start isEmpty. Operand 10951 states and 14410 transitions. [2019-10-07 07:58:07,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-10-07 07:58:07,117 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:07,118 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:07,118 INFO L410 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]=== [2019-10-07 07:58:07,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:07,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1877293242, now seen corresponding path program 1 times [2019-10-07 07:58:07,119 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:07,120 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:07,120 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:07,120 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:07,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:08,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2805 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2805 trivial. 0 not checked. [2019-10-07 07:58:08,624 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:08,624 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:08,624 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:58:08,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:58:08,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:58:08,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:58:08,627 INFO L87 Difference]: Start difference. First operand 10951 states and 14410 transitions. Second operand 3 states. [2019-10-07 07:58:11,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:11,941 INFO L93 Difference]: Finished difference Result 29939 states and 39451 transitions. [2019-10-07 07:58:11,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:58:11,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2019-10-07 07:58:11,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:12,115 INFO L225 Difference]: With dead ends: 29939 [2019-10-07 07:58:12,116 INFO L226 Difference]: Without dead ends: 19074 [2019-10-07 07:58:12,183 INFO L606 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 [2019-10-07 07:58:12,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19074 states. [2019-10-07 07:58:13,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19074 to 19006. [2019-10-07 07:58:13,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19006 states. [2019-10-07 07:58:13,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19006 states to 19006 states and 25034 transitions. [2019-10-07 07:58:13,310 INFO L78 Accepts]: Start accepts. Automaton has 19006 states and 25034 transitions. Word has length 283 [2019-10-07 07:58:13,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:13,313 INFO L462 AbstractCegarLoop]: Abstraction has 19006 states and 25034 transitions. [2019-10-07 07:58:13,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:58:13,313 INFO L276 IsEmpty]: Start isEmpty. Operand 19006 states and 25034 transitions. [2019-10-07 07:58:13,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-10-07 07:58:13,318 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:13,318 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 07:58:13,319 INFO L410 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]=== [2019-10-07 07:58:13,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:13,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1371071731, now seen corresponding path program 1 times [2019-10-07 07:58:13,319 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:13,319 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:13,320 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:13,320 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:13,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:13,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2805 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2805 trivial. 0 not checked. [2019-10-07 07:58:13,793 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:13,793 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:13,793 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:58:13,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:58:13,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:58:13,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:58:13,795 INFO L87 Difference]: Start difference. First operand 19006 states and 25034 transitions. Second operand 3 states. [2019-10-07 07:58:17,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:17,119 INFO L93 Difference]: Finished difference Result 48569 states and 63863 transitions. [2019-10-07 07:58:17,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:58:17,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2019-10-07 07:58:17,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:17,271 INFO L225 Difference]: With dead ends: 48569 [2019-10-07 07:58:17,271 INFO L226 Difference]: Without dead ends: 29649 [2019-10-07 07:58:17,350 INFO L606 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 [2019-10-07 07:58:17,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29649 states. [2019-10-07 07:58:18,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29649 to 29557. [2019-10-07 07:58:18,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29557 states. [2019-10-07 07:58:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29557 states to 29557 states and 38774 transitions. [2019-10-07 07:58:18,738 INFO L78 Accepts]: Start accepts. Automaton has 29557 states and 38774 transitions. Word has length 284 [2019-10-07 07:58:18,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:18,739 INFO L462 AbstractCegarLoop]: Abstraction has 29557 states and 38774 transitions. [2019-10-07 07:58:18,739 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:58:18,739 INFO L276 IsEmpty]: Start isEmpty. Operand 29557 states and 38774 transitions. [2019-10-07 07:58:18,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-10-07 07:58:18,744 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:18,744 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 07:58:18,744 INFO L410 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]=== [2019-10-07 07:58:18,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:18,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1462701812, now seen corresponding path program 1 times [2019-10-07 07:58:18,745 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:18,746 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:18,746 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:18,746 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:18,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:19,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2805 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2805 trivial. 0 not checked. [2019-10-07 07:58:19,217 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:19,218 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:19,218 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:58:19,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:58:19,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:58:19,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:58:19,220 INFO L87 Difference]: Start difference. First operand 29557 states and 38774 transitions. Second operand 3 states. [2019-10-07 07:58:22,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:22,956 INFO L93 Difference]: Finished difference Result 84873 states and 111397 transitions. [2019-10-07 07:58:22,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:58:22,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 289 [2019-10-07 07:58:22,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:23,248 INFO L225 Difference]: With dead ends: 84873 [2019-10-07 07:58:23,249 INFO L226 Difference]: Without dead ends: 55402 [2019-10-07 07:58:23,344 INFO L606 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 [2019-10-07 07:58:23,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55402 states. [2019-10-07 07:58:26,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55402 to 55334. [2019-10-07 07:58:26,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55334 states. [2019-10-07 07:58:26,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55334 states to 55334 states and 72544 transitions. [2019-10-07 07:58:26,797 INFO L78 Accepts]: Start accepts. Automaton has 55334 states and 72544 transitions. Word has length 289 [2019-10-07 07:58:26,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:26,798 INFO L462 AbstractCegarLoop]: Abstraction has 55334 states and 72544 transitions. [2019-10-07 07:58:26,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:58:26,798 INFO L276 IsEmpty]: Start isEmpty. Operand 55334 states and 72544 transitions. [2019-10-07 07:58:26,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2019-10-07 07:58:26,803 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:26,804 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:26,804 INFO L410 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]=== [2019-10-07 07:58:26,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:26,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1471287453, now seen corresponding path program 1 times [2019-10-07 07:58:26,805 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:26,805 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:26,805 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:26,805 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:26,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:27,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2818 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2815 trivial. 0 not checked. [2019-10-07 07:58:27,601 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:27,601 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:27,602 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:27,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:27,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:27,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:27,603 INFO L87 Difference]: Start difference. First operand 55334 states and 72544 transitions. Second operand 5 states. [2019-10-07 07:58:28,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:28,604 INFO L93 Difference]: Finished difference Result 55340 states and 72549 transitions. [2019-10-07 07:58:28,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:28,605 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 325 [2019-10-07 07:58:28,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:28,857 INFO L225 Difference]: With dead ends: 55340 [2019-10-07 07:58:28,858 INFO L226 Difference]: Without dead ends: 55338 [2019-10-07 07:58:28,888 INFO L606 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 [2019-10-07 07:58:28,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55338 states. [2019-10-07 07:58:32,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55338 to 55338. [2019-10-07 07:58:32,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55338 states. [2019-10-07 07:58:32,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55338 states to 55338 states and 72547 transitions. [2019-10-07 07:58:32,765 INFO L78 Accepts]: Start accepts. Automaton has 55338 states and 72547 transitions. Word has length 325 [2019-10-07 07:58:32,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:32,766 INFO L462 AbstractCegarLoop]: Abstraction has 55338 states and 72547 transitions. [2019-10-07 07:58:32,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:32,766 INFO L276 IsEmpty]: Start isEmpty. Operand 55338 states and 72547 transitions. [2019-10-07 07:58:32,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2019-10-07 07:58:32,772 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:32,772 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:32,772 INFO L410 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]=== [2019-10-07 07:58:32,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:32,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1222535541, now seen corresponding path program 1 times [2019-10-07 07:58:32,773 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:32,773 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:32,773 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:32,773 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:32,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:33,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2820 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2815 trivial. 0 not checked. [2019-10-07 07:58:33,166 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:33,166 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:33,167 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:33,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:33,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:33,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:33,168 INFO L87 Difference]: Start difference. First operand 55338 states and 72547 transitions. Second operand 5 states. [2019-10-07 07:58:34,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:34,521 INFO L93 Difference]: Finished difference Result 55344 states and 72552 transitions. [2019-10-07 07:58:34,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:34,523 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 330 [2019-10-07 07:58:34,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:34,750 INFO L225 Difference]: With dead ends: 55344 [2019-10-07 07:58:34,751 INFO L226 Difference]: Without dead ends: 55342 [2019-10-07 07:58:34,780 INFO L606 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 [2019-10-07 07:58:34,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55342 states. [2019-10-07 07:58:37,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55342 to 55342. [2019-10-07 07:58:37,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55342 states. [2019-10-07 07:58:38,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55342 states to 55342 states and 72550 transitions. [2019-10-07 07:58:38,092 INFO L78 Accepts]: Start accepts. Automaton has 55342 states and 72550 transitions. Word has length 330 [2019-10-07 07:58:38,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:38,093 INFO L462 AbstractCegarLoop]: Abstraction has 55342 states and 72550 transitions. [2019-10-07 07:58:38,093 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:38,093 INFO L276 IsEmpty]: Start isEmpty. Operand 55342 states and 72550 transitions. [2019-10-07 07:58:38,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2019-10-07 07:58:38,096 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:38,096 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:38,096 INFO L410 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]=== [2019-10-07 07:58:38,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:38,097 INFO L82 PathProgramCache]: Analyzing trace with hash -492101994, now seen corresponding path program 1 times [2019-10-07 07:58:38,097 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:38,097 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:38,097 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:38,097 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:38,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:38,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2825 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2819 trivial. 0 not checked. [2019-10-07 07:58:38,526 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:38,526 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:38,527 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:38,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:38,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:38,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:38,528 INFO L87 Difference]: Start difference. First operand 55342 states and 72550 transitions. Second operand 5 states. [2019-10-07 07:58:40,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:40,114 INFO L93 Difference]: Finished difference Result 55348 states and 72555 transitions. [2019-10-07 07:58:40,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:40,114 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 334 [2019-10-07 07:58:40,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:40,320 INFO L225 Difference]: With dead ends: 55348 [2019-10-07 07:58:40,321 INFO L226 Difference]: Without dead ends: 55346 [2019-10-07 07:58:40,349 INFO L606 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 [2019-10-07 07:58:40,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55346 states. [2019-10-07 07:58:42,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55346 to 55346. [2019-10-07 07:58:42,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55346 states. [2019-10-07 07:58:42,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55346 states to 55346 states and 72553 transitions. [2019-10-07 07:58:42,239 INFO L78 Accepts]: Start accepts. Automaton has 55346 states and 72553 transitions. Word has length 334 [2019-10-07 07:58:42,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:42,240 INFO L462 AbstractCegarLoop]: Abstraction has 55346 states and 72553 transitions. [2019-10-07 07:58:42,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:42,240 INFO L276 IsEmpty]: Start isEmpty. Operand 55346 states and 72553 transitions. [2019-10-07 07:58:42,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2019-10-07 07:58:42,243 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:42,243 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:42,244 INFO L410 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]=== [2019-10-07 07:58:42,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:42,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1106783976, now seen corresponding path program 1 times [2019-10-07 07:58:42,244 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:42,244 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:42,245 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:42,245 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:42,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:42,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2845 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2830 trivial. 0 not checked. [2019-10-07 07:58:42,699 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:42,700 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:42,700 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:42,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:42,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:42,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:42,702 INFO L87 Difference]: Start difference. First operand 55346 states and 72553 transitions. Second operand 5 states. [2019-10-07 07:58:43,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:43,866 INFO L93 Difference]: Finished difference Result 55352 states and 72558 transitions. [2019-10-07 07:58:43,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:43,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 339 [2019-10-07 07:58:43,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:44,091 INFO L225 Difference]: With dead ends: 55352 [2019-10-07 07:58:44,091 INFO L226 Difference]: Without dead ends: 55350 [2019-10-07 07:58:44,123 INFO L606 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 [2019-10-07 07:58:44,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55350 states. [2019-10-07 07:58:47,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55350 to 55350. [2019-10-07 07:58:47,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55350 states. [2019-10-07 07:58:47,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55350 states to 55350 states and 72556 transitions. [2019-10-07 07:58:47,553 INFO L78 Accepts]: Start accepts. Automaton has 55350 states and 72556 transitions. Word has length 339 [2019-10-07 07:58:47,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:47,554 INFO L462 AbstractCegarLoop]: Abstraction has 55350 states and 72556 transitions. [2019-10-07 07:58:47,554 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:47,554 INFO L276 IsEmpty]: Start isEmpty. Operand 55350 states and 72556 transitions. [2019-10-07 07:58:47,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2019-10-07 07:58:47,557 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:47,558 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:47,558 INFO L410 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]=== [2019-10-07 07:58:47,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:47,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1702866717, now seen corresponding path program 1 times [2019-10-07 07:58:47,559 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:47,559 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:47,559 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:47,559 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:47,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:47,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2839 trivial. 0 not checked. [2019-10-07 07:58:47,904 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:47,904 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:47,904 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:47,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:47,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:47,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:47,906 INFO L87 Difference]: Start difference. First operand 55350 states and 72556 transitions. Second operand 5 states. [2019-10-07 07:58:49,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:49,554 INFO L93 Difference]: Finished difference Result 55356 states and 72561 transitions. [2019-10-07 07:58:49,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:49,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 345 [2019-10-07 07:58:49,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:49,807 INFO L225 Difference]: With dead ends: 55356 [2019-10-07 07:58:49,807 INFO L226 Difference]: Without dead ends: 55354 [2019-10-07 07:58:49,842 INFO L606 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 [2019-10-07 07:58:49,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55354 states. [2019-10-07 07:58:51,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55354 to 55354. [2019-10-07 07:58:51,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55354 states. [2019-10-07 07:58:51,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55354 states to 55354 states and 72559 transitions. [2019-10-07 07:58:51,871 INFO L78 Accepts]: Start accepts. Automaton has 55354 states and 72559 transitions. Word has length 345 [2019-10-07 07:58:51,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:51,872 INFO L462 AbstractCegarLoop]: Abstraction has 55354 states and 72559 transitions. [2019-10-07 07:58:51,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:51,872 INFO L276 IsEmpty]: Start isEmpty. Operand 55354 states and 72559 transitions. [2019-10-07 07:58:51,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-10-07 07:58:51,876 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:51,876 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 6, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:51,876 INFO L410 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]=== [2019-10-07 07:58:51,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:51,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1255898101, now seen corresponding path program 1 times [2019-10-07 07:58:51,877 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:51,877 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:51,877 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:51,878 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:51,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:52,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2868 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2855 trivial. 0 not checked. [2019-10-07 07:58:52,230 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:52,230 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:52,231 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:52,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:52,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:52,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:52,233 INFO L87 Difference]: Start difference. First operand 55354 states and 72559 transitions. Second operand 5 states. [2019-10-07 07:58:55,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:55,038 INFO L93 Difference]: Finished difference Result 55360 states and 72564 transitions. [2019-10-07 07:58:55,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:55,039 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 350 [2019-10-07 07:58:55,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:55,166 INFO L225 Difference]: With dead ends: 55360 [2019-10-07 07:58:55,166 INFO L226 Difference]: Without dead ends: 55358 [2019-10-07 07:58:55,182 INFO L606 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 [2019-10-07 07:58:55,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55358 states. [2019-10-07 07:58:56,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55358 to 55358. [2019-10-07 07:58:56,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55358 states. [2019-10-07 07:58:56,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55358 states to 55358 states and 72562 transitions. [2019-10-07 07:58:56,706 INFO L78 Accepts]: Start accepts. Automaton has 55358 states and 72562 transitions. Word has length 350 [2019-10-07 07:58:56,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:56,707 INFO L462 AbstractCegarLoop]: Abstraction has 55358 states and 72562 transitions. [2019-10-07 07:58:56,707 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:56,707 INFO L276 IsEmpty]: Start isEmpty. Operand 55358 states and 72562 transitions. [2019-10-07 07:58:56,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-10-07 07:58:56,711 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:56,711 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 7, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:56,712 INFO L410 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]=== [2019-10-07 07:58:56,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:56,712 INFO L82 PathProgramCache]: Analyzing trace with hash -2050192842, now seen corresponding path program 1 times [2019-10-07 07:58:56,712 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:56,712 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:56,713 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:56,713 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:56,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:57,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2899 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2878 trivial. 0 not checked. [2019-10-07 07:58:57,065 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:57,065 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:57,065 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:57,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:57,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:57,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:57,068 INFO L87 Difference]: Start difference. First operand 55358 states and 72562 transitions. Second operand 5 states. [2019-10-07 07:58:58,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:58,468 INFO L93 Difference]: Finished difference Result 55364 states and 72567 transitions. [2019-10-07 07:58:58,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:58,468 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 354 [2019-10-07 07:58:58,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:58,663 INFO L225 Difference]: With dead ends: 55364 [2019-10-07 07:58:58,663 INFO L226 Difference]: Without dead ends: 55362 [2019-10-07 07:58:58,689 INFO L606 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 [2019-10-07 07:58:58,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55362 states. [2019-10-07 07:59:00,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55362 to 55362. [2019-10-07 07:59:00,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55362 states. [2019-10-07 07:59:00,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55362 states to 55362 states and 72565 transitions. [2019-10-07 07:59:00,796 INFO L78 Accepts]: Start accepts. Automaton has 55362 states and 72565 transitions. Word has length 354 [2019-10-07 07:59:00,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:00,797 INFO L462 AbstractCegarLoop]: Abstraction has 55362 states and 72565 transitions. [2019-10-07 07:59:00,797 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:00,797 INFO L276 IsEmpty]: Start isEmpty. Operand 55362 states and 72565 transitions. [2019-10-07 07:59:00,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2019-10-07 07:59:00,800 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:00,800 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 4, 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] [2019-10-07 07:59:00,800 INFO L410 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]=== [2019-10-07 07:59:00,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:00,801 INFO L82 PathProgramCache]: Analyzing trace with hash -18209013, now seen corresponding path program 1 times [2019-10-07 07:59:00,801 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:00,801 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:00,801 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:00,801 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:00,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2838 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2830 trivial. 0 not checked. [2019-10-07 07:59:01,118 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:01,118 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:01,118 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:59:01,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:59:01,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:59:01,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:59:01,120 INFO L87 Difference]: Start difference. First operand 55362 states and 72565 transitions. Second operand 3 states. [2019-10-07 07:59:07,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:07,274 INFO L93 Difference]: Finished difference Result 137170 states and 179841 transitions. [2019-10-07 07:59:07,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:59:07,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 360 [2019-10-07 07:59:07,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:07,614 INFO L225 Difference]: With dead ends: 137170 [2019-10-07 07:59:07,615 INFO L226 Difference]: Without dead ends: 81958 [2019-10-07 07:59:07,778 INFO L606 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 [2019-10-07 07:59:07,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81958 states. [2019-10-07 07:59:10,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81958 to 81814. [2019-10-07 07:59:10,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81814 states. [2019-10-07 07:59:10,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81814 states to 81814 states and 107205 transitions. [2019-10-07 07:59:10,578 INFO L78 Accepts]: Start accepts. Automaton has 81814 states and 107205 transitions. Word has length 360 [2019-10-07 07:59:10,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:10,579 INFO L462 AbstractCegarLoop]: Abstraction has 81814 states and 107205 transitions. [2019-10-07 07:59:10,579 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:59:10,579 INFO L276 IsEmpty]: Start isEmpty. Operand 81814 states and 107205 transitions. [2019-10-07 07:59:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2019-10-07 07:59:10,584 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:10,584 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 8, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:59:10,584 INFO L410 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]=== [2019-10-07 07:59:10,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:10,585 INFO L82 PathProgramCache]: Analyzing trace with hash -289645877, now seen corresponding path program 1 times [2019-10-07 07:59:10,585 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:10,585 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:10,585 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:10,586 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:10,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:10,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2916 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2899 trivial. 0 not checked. [2019-10-07 07:59:10,902 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:10,902 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:10,902 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:10,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:10,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:10,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:10,903 INFO L87 Difference]: Start difference. First operand 81814 states and 107205 transitions. Second operand 5 states. [2019-10-07 07:59:13,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:13,081 INFO L93 Difference]: Finished difference Result 84956 states and 110351 transitions. [2019-10-07 07:59:13,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:59:13,081 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 360 [2019-10-07 07:59:13,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:13,301 INFO L225 Difference]: With dead ends: 84956 [2019-10-07 07:59:13,301 INFO L226 Difference]: Without dead ends: 84954 [2019-10-07 07:59:13,331 INFO L606 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 [2019-10-07 07:59:13,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84954 states. [2019-10-07 07:59:18,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84954 to 84952. [2019-10-07 07:59:18,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84952 states. [2019-10-07 07:59:18,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84952 states to 84952 states and 110348 transitions. [2019-10-07 07:59:18,862 INFO L78 Accepts]: Start accepts. Automaton has 84952 states and 110348 transitions. Word has length 360 [2019-10-07 07:59:18,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:18,864 INFO L462 AbstractCegarLoop]: Abstraction has 84952 states and 110348 transitions. [2019-10-07 07:59:18,864 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:18,864 INFO L276 IsEmpty]: Start isEmpty. Operand 84952 states and 110348 transitions. [2019-10-07 07:59:18,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-10-07 07:59:18,869 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:18,869 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:59:18,869 INFO L410 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]=== [2019-10-07 07:59:18,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:18,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1864440673, now seen corresponding path program 1 times [2019-10-07 07:59:18,870 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:18,870 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:18,870 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:18,870 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:18,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:19,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2839 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2831 trivial. 0 not checked. [2019-10-07 07:59:19,205 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:19,207 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:19,208 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:59:19,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:59:19,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:59:19,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:59:19,209 INFO L87 Difference]: Start difference. First operand 84952 states and 110348 transitions. Second operand 3 states. [2019-10-07 07:59:25,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:25,453 INFO L93 Difference]: Finished difference Result 203512 states and 264332 transitions. [2019-10-07 07:59:25,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:59:25,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 359 [2019-10-07 07:59:25,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:25,810 INFO L225 Difference]: With dead ends: 203512 [2019-10-07 07:59:25,811 INFO L226 Difference]: Without dead ends: 118710 [2019-10-07 07:59:25,948 INFO L606 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 [2019-10-07 07:59:26,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118710 states. [2019-10-07 07:59:33,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118710 to 118562. [2019-10-07 07:59:33,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118562 states. [2019-10-07 07:59:33,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118562 states to 118562 states and 153830 transitions. [2019-10-07 07:59:33,709 INFO L78 Accepts]: Start accepts. Automaton has 118562 states and 153830 transitions. Word has length 359 [2019-10-07 07:59:33,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:33,710 INFO L462 AbstractCegarLoop]: Abstraction has 118562 states and 153830 transitions. [2019-10-07 07:59:33,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:59:33,710 INFO L276 IsEmpty]: Start isEmpty. Operand 118562 states and 153830 transitions. [2019-10-07 07:59:33,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2019-10-07 07:59:33,714 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:33,714 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 4, 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] [2019-10-07 07:59:33,715 INFO L410 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]=== [2019-10-07 07:59:33,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:33,715 INFO L82 PathProgramCache]: Analyzing trace with hash -523288563, now seen corresponding path program 1 times [2019-10-07 07:59:33,715 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:33,715 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:33,715 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:33,716 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:33,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:34,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2838 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2830 trivial. 0 not checked. [2019-10-07 07:59:34,069 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:34,069 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:34,069 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:59:34,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:59:34,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:59:34,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:59:34,070 INFO L87 Difference]: Start difference. First operand 118562 states and 153830 transitions. Second operand 3 states. [2019-10-07 07:59:45,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:45,050 INFO L93 Difference]: Finished difference Result 293052 states and 380342 transitions. [2019-10-07 07:59:45,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:59:45,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 364 [2019-10-07 07:59:45,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:45,589 INFO L225 Difference]: With dead ends: 293052 [2019-10-07 07:59:45,589 INFO L226 Difference]: Without dead ends: 174640 [2019-10-07 07:59:45,783 INFO L606 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 [2019-10-07 07:59:45,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174640 states. [2019-10-07 07:59:51,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174640 to 174492. [2019-10-07 07:59:51,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174492 states. [2019-10-07 07:59:52,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174492 states to 174492 states and 226310 transitions. [2019-10-07 07:59:52,290 INFO L78 Accepts]: Start accepts. Automaton has 174492 states and 226310 transitions. Word has length 364 [2019-10-07 07:59:52,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:52,291 INFO L462 AbstractCegarLoop]: Abstraction has 174492 states and 226310 transitions. [2019-10-07 07:59:52,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:59:52,291 INFO L276 IsEmpty]: Start isEmpty. Operand 174492 states and 226310 transitions. [2019-10-07 07:59:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2019-10-07 07:59:52,295 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:52,296 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:59:52,296 INFO L410 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]=== [2019-10-07 07:59:52,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:52,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1400706104, now seen corresponding path program 1 times [2019-10-07 07:59:52,297 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:52,297 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:52,297 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:52,297 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:52,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:52,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2839 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2831 trivial. 0 not checked. [2019-10-07 07:59:52,629 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:52,630 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:52,630 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:59:52,631 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:59:52,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:59:52,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:59:52,632 INFO L87 Difference]: Start difference. First operand 174492 states and 226310 transitions. Second operand 3 states. [2019-10-07 08:00:07,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:00:07,547 INFO L93 Difference]: Finished difference Result 410702 states and 532386 transitions. [2019-10-07 08:00:07,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 08:00:07,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 360 [2019-10-07 08:00:07,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:00:08,447 INFO L225 Difference]: With dead ends: 410702 [2019-10-07 08:00:08,448 INFO L226 Difference]: Without dead ends: 236360 [2019-10-07 08:00:08,679 INFO L606 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 [2019-10-07 08:00:08,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236360 states. [2019-10-07 08:00:23,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236360 to 236068. [2019-10-07 08:00:23,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236068 states. [2019-10-07 08:00:24,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236068 states to 236068 states and 305574 transitions. [2019-10-07 08:00:24,034 INFO L78 Accepts]: Start accepts. Automaton has 236068 states and 305574 transitions. Word has length 360 [2019-10-07 08:00:24,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:00:24,035 INFO L462 AbstractCegarLoop]: Abstraction has 236068 states and 305574 transitions. [2019-10-07 08:00:24,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 08:00:24,035 INFO L276 IsEmpty]: Start isEmpty. Operand 236068 states and 305574 transitions. [2019-10-07 08:00:24,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2019-10-07 08:00:24,040 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:00:24,041 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:00:24,041 INFO L410 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]=== [2019-10-07 08:00:24,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:00:24,041 INFO L82 PathProgramCache]: Analyzing trace with hash 316277763, now seen corresponding path program 1 times [2019-10-07 08:00:24,042 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:00:24,042 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:00:24,042 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:00:24,042 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:00:24,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:00:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:00:24,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2838 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2830 trivial. 0 not checked. [2019-10-07 08:00:24,392 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:00:24,392 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:00:24,392 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 08:00:24,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 08:00:24,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 08:00:24,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 08:00:24,393 INFO L87 Difference]: Start difference. First operand 236068 states and 305574 transitions. Second operand 3 states. [2019-10-07 08:00:43,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:00:43,569 INFO L93 Difference]: Finished difference Result 580104 states and 751271 transitions. [2019-10-07 08:00:43,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 08:00:43,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 367 [2019-10-07 08:00:43,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:00:44,597 INFO L225 Difference]: With dead ends: 580104 [2019-10-07 08:00:44,597 INFO L226 Difference]: Without dead ends: 344186 [2019-10-07 08:00:45,334 INFO L606 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 [2019-10-07 08:00:45,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344186 states. [2019-10-07 08:01:05,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344186 to 344056. [2019-10-07 08:01:05,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344056 states. [2019-10-07 08:01:06,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344056 states to 344056 states and 445231 transitions. [2019-10-07 08:01:06,722 INFO L78 Accepts]: Start accepts. Automaton has 344056 states and 445231 transitions. Word has length 367 [2019-10-07 08:01:06,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:01:06,723 INFO L462 AbstractCegarLoop]: Abstraction has 344056 states and 445231 transitions. [2019-10-07 08:01:06,723 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 08:01:06,723 INFO L276 IsEmpty]: Start isEmpty. Operand 344056 states and 445231 transitions. [2019-10-07 08:01:06,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2019-10-07 08:01:06,726 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:01:06,726 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 9, 8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:01:06,727 INFO L410 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]=== [2019-10-07 08:01:06,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:01:06,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1908297117, now seen corresponding path program 1 times [2019-10-07 08:01:06,727 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:01:06,727 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:01:06,728 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:01:06,728 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:01:06,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:01:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:01:07,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2946 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2927 trivial. 0 not checked. [2019-10-07 08:01:07,031 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:01:07,032 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:01:07,032 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 08:01:07,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 08:01:07,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 08:01:07,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:01:07,033 INFO L87 Difference]: Start difference. First operand 344056 states and 445231 transitions. Second operand 5 states. [2019-10-07 08:01:16,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:01:16,708 INFO L93 Difference]: Finished difference Result 344062 states and 445236 transitions. [2019-10-07 08:01:16,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 08:01:16,709 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 365 [2019-10-07 08:01:16,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:01:17,663 INFO L225 Difference]: With dead ends: 344062 [2019-10-07 08:01:17,663 INFO L226 Difference]: Without dead ends: 344060 [2019-10-07 08:01:17,756 INFO L606 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 [2019-10-07 08:01:18,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344060 states. [2019-10-07 08:01:40,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344060 to 344060. [2019-10-07 08:01:40,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344060 states. [2019-10-07 08:01:41,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344060 states to 344060 states and 445234 transitions. [2019-10-07 08:01:41,392 INFO L78 Accepts]: Start accepts. Automaton has 344060 states and 445234 transitions. Word has length 365 [2019-10-07 08:01:41,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:01:41,392 INFO L462 AbstractCegarLoop]: Abstraction has 344060 states and 445234 transitions. [2019-10-07 08:01:41,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 08:01:41,392 INFO L276 IsEmpty]: Start isEmpty. Operand 344060 states and 445234 transitions. [2019-10-07 08:01:41,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2019-10-07 08:01:41,395 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:01:41,396 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 10, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:01:41,396 INFO L410 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]=== [2019-10-07 08:01:41,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:01:41,396 INFO L82 PathProgramCache]: Analyzing trace with hash -766237128, now seen corresponding path program 1 times [2019-10-07 08:01:41,396 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:01:41,397 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:01:41,397 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:01:41,397 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:01:41,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:01:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:01:41,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2979 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2959 trivial. 0 not checked. [2019-10-07 08:01:41,684 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:01:41,685 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:01:41,685 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 08:01:41,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 08:01:41,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 08:01:41,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:01:41,686 INFO L87 Difference]: Start difference. First operand 344060 states and 445234 transitions. Second operand 5 states. [2019-10-07 08:01:57,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:01:57,284 INFO L93 Difference]: Finished difference Result 344066 states and 445239 transitions. [2019-10-07 08:01:57,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 08:01:57,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 369 [2019-10-07 08:01:57,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:01:58,806 INFO L225 Difference]: With dead ends: 344066 [2019-10-07 08:01:58,807 INFO L226 Difference]: Without dead ends: 344064 [2019-10-07 08:01:58,910 INFO L606 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 [2019-10-07 08:01:59,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344064 states. [2019-10-07 08:02:22,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344064 to 344064. [2019-10-07 08:02:22,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344064 states. [2019-10-07 08:02:23,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344064 states to 344064 states and 445237 transitions. [2019-10-07 08:02:23,804 INFO L78 Accepts]: Start accepts. Automaton has 344064 states and 445237 transitions. Word has length 369 [2019-10-07 08:02:23,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:02:23,804 INFO L462 AbstractCegarLoop]: Abstraction has 344064 states and 445237 transitions. [2019-10-07 08:02:23,805 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 08:02:23,805 INFO L276 IsEmpty]: Start isEmpty. Operand 344064 states and 445237 transitions. [2019-10-07 08:02:23,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2019-10-07 08:02:23,808 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:02:23,809 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 11, 10, 10, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:02:23,809 INFO L410 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]=== [2019-10-07 08:02:23,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:02:23,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1107297059, now seen corresponding path program 1 times [2019-10-07 08:02:23,810 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:02:23,810 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:02:23,810 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:02:23,810 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:02:23,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:02:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:02:24,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3018 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2995 trivial. 0 not checked. [2019-10-07 08:02:24,129 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:02:24,129 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:02:24,129 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 08:02:24,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 08:02:24,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 08:02:24,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:02:24,130 INFO L87 Difference]: Start difference. First operand 344064 states and 445237 transitions. Second operand 5 states. [2019-10-07 08:02:45,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:02:45,413 INFO L93 Difference]: Finished difference Result 665174 states and 870470 transitions. [2019-10-07 08:02:45,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 08:02:45,416 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 375 [2019-10-07 08:02:45,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:02:47,707 INFO L225 Difference]: With dead ends: 665174 [2019-10-07 08:02:47,707 INFO L226 Difference]: Without dead ends: 665172 [2019-10-07 08:02:47,882 INFO L606 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 [2019-10-07 08:02:48,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665172 states. [2019-10-07 08:03:36,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665172 to 664818. [2019-10-07 08:03:36,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664818 states. [2019-10-07 08:03:38,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664818 states to 664818 states and 870118 transitions. [2019-10-07 08:03:38,643 INFO L78 Accepts]: Start accepts. Automaton has 664818 states and 870118 transitions. Word has length 375 [2019-10-07 08:03:38,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:03:38,644 INFO L462 AbstractCegarLoop]: Abstraction has 664818 states and 870118 transitions. [2019-10-07 08:03:38,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 08:03:38,644 INFO L276 IsEmpty]: Start isEmpty. Operand 664818 states and 870118 transitions. [2019-10-07 08:03:38,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2019-10-07 08:03:38,649 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:03:38,649 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:03:38,649 INFO L410 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]=== [2019-10-07 08:03:38,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:03:38,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1473056339, now seen corresponding path program 1 times [2019-10-07 08:03:38,650 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:03:38,650 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:03:38,650 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:03:38,650 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:03:38,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:03:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:03:39,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2873 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2869 trivial. 0 not checked. [2019-10-07 08:03:39,014 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:03:39,014 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 08:03:39,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 08:03:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:03:42,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 6087 conjuncts, 44 conjunts are in the unsatisfiable core [2019-10-07 08:03:42,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 08:03:42,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2873 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 2859 trivial. 0 not checked. [2019-10-07 08:03:42,369 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 08:03:43,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2873 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2869 trivial. 0 not checked. [2019-10-07 08:03:43,187 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 08:03:43,187 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 9 [2019-10-07 08:03:43,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 08:03:43,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 08:03:43,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 08:03:43,189 INFO L87 Difference]: Start difference. First operand 664818 states and 870118 transitions. Second operand 6 states. [2019-10-07 08:04:15,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 08:04:15,645 INFO L93 Difference]: Finished difference Result 665902 states and 871200 transitions. [2019-10-07 08:04:15,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 08:04:15,645 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 380 [2019-10-07 08:04:15,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 08:04:19,014 INFO L225 Difference]: With dead ends: 665902 [2019-10-07 08:04:19,015 INFO L226 Difference]: Without dead ends: 665900 [2019-10-07 08:04:19,213 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 777 GetRequests, 767 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-10-07 08:04:19,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665900 states. [2019-10-07 08:05:04,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665900 to 665898. [2019-10-07 08:05:04,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 665898 states. [2019-10-07 08:05:18,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665898 states to 665898 states and 870776 transitions. [2019-10-07 08:05:18,388 INFO L78 Accepts]: Start accepts. Automaton has 665898 states and 870776 transitions. Word has length 380 [2019-10-07 08:05:18,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 08:05:18,389 INFO L462 AbstractCegarLoop]: Abstraction has 665898 states and 870776 transitions. [2019-10-07 08:05:18,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 08:05:18,390 INFO L276 IsEmpty]: Start isEmpty. Operand 665898 states and 870776 transitions. [2019-10-07 08:05:18,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2019-10-07 08:05:18,400 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 08:05:18,400 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 12, 11, 11, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 08:05:18,601 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 08:05:18,601 INFO L410 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]=== [2019-10-07 08:05:18,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 08:05:18,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1500715800, now seen corresponding path program 1 times [2019-10-07 08:05:18,602 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 08:05:18,603 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:05:18,603 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:05:18,603 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 08:05:18,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 08:05:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 08:05:19,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3069 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3038 trivial. 0 not checked. [2019-10-07 08:05:19,162 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 08:05:19,162 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 08:05:19,163 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 08:05:19,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 08:05:19,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 08:05:19,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 08:05:19,166 INFO L87 Difference]: Start difference. First operand 665898 states and 870776 transitions. Second operand 5 states.