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-blocklayout-blocklayoutdriver.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 07:57:20,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 07:57:20,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 07:57:20,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 07:57:20,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 07:57:20,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 07:57:20,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 07:57:20,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 07:57:20,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 07:57:20,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 07:57:20,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 07:57:20,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 07:57:20,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 07:57:20,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 07:57:20,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 07:57:20,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 07:57:20,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 07:57:20,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 07:57:20,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 07:57:20,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 07:57:20,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 07:57:20,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 07:57:20,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 07:57:20,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 07:57:20,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 07:57:20,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 07:57:20,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 07:57:20,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 07:57:20,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 07:57:20,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 07:57:20,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 07:57:20,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 07:57:20,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 07:57:20,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 07:57:20,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 07:57:20,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 07:57:20,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 07:57:20,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 07:57:20,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 07:57:20,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 07:57:20,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 07:57:20,909 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 07:57:20,926 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 07:57:20,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 07:57:20,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 07:57:20,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 07:57:20,932 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 07:57:20,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 07:57:20,932 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 07:57:20,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 07:57:20,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 07:57:20,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 07:57:20,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 07:57:20,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 07:57:20,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 07:57:20,934 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 07:57:20,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 07:57:20,934 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 07:57:20,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 07:57:20,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 07:57:20,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 07:57:20,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 07:57:20,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 07:57:20,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 07:57:20,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 07:57:20,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 07:57:20,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 07:57:20,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 07:57:20,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 07:57:20,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 07:57:20,938 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 07:57:21,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 07:57:21,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 07:57:21,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 07:57:21,310 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 07:57:21,310 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 07:57:21,311 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2019-10-07 07:57:21,389 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf0a4b29/d7cc3ae3dcd14b2197bfb2e57411a613/FLAGa0be27ea6 [2019-10-07 07:57:22,478 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 07:57:22,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2019-10-07 07:57:22,541 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf0a4b29/d7cc3ae3dcd14b2197bfb2e57411a613/FLAGa0be27ea6 [2019-10-07 07:57:22,757 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf0a4b29/d7cc3ae3dcd14b2197bfb2e57411a613 [2019-10-07 07:57:22,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 07:57:22,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 07:57:22,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 07:57:22,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 07:57:22,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 07:57:22,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 07:57:22" (1/1) ... [2019-10-07 07:57:22,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e660f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:22, skipping insertion in model container [2019-10-07 07:57:22,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 07:57:22" (1/1) ... [2019-10-07 07:57:22,786 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 07:57:23,013 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 07:57:28,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 07:57:28,189 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 07:57:28,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 07:57:30,017 INFO L192 MainTranslator]: Completed translation [2019-10-07 07:57:30,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:30 WrapperNode [2019-10-07 07:57:30,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 07:57:30,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 07:57:30,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 07:57:30,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 07:57:30,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:30" (1/1) ... [2019-10-07 07:57:30,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:30" (1/1) ... [2019-10-07 07:57:30,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:30" (1/1) ... [2019-10-07 07:57:30,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:30" (1/1) ... [2019-10-07 07:57:30,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:30" (1/1) ... [2019-10-07 07:57:30,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:30" (1/1) ... [2019-10-07 07:57:30,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:30" (1/1) ... [2019-10-07 07:57:30,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 07:57:30,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 07:57:30,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 07:57:30,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 07:57:30,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:30" (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 07:57:30,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 07:57:30,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 07:57:30,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 07:57:30,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-07 07:57:30,636 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 07:57:30,636 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-07 07:57:30,637 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-07 07:57:30,637 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 07:57:30,637 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-07 07:57:30,638 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit_lock [2019-10-07 07:57:30,638 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-07 07:57:30,639 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-07 07:57:30,639 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-07 07:57:30,639 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-10-07 07:57:30,639 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-07 07:57:30,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-10-07 07:57:30,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-10-07 07:57:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 07:57:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 07:57:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 07:57:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2019-10-07 07:57:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2019-10-07 07:57:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2019-10-07 07:57:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2019-10-07 07:57:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2019-10-07 07:57:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2019-10-07 07:57:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2019-10-07 07:57:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-07 07:57:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-07 07:57:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-07 07:57:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-10-07 07:57:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-07 07:57:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-10-07 07:57:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-10-07 07:57:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2019-10-07 07:57:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure PageLocked [2019-10-07 07:57:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure PageError [2019-10-07 07:57:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure PageReferenced [2019-10-07 07:57:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure PageDirty [2019-10-07 07:57:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure PagePrivate [2019-10-07 07:57:30,646 INFO L138 BoogieDeclarations]: Found implementation of procedure PageWriteback [2019-10-07 07:57:30,646 INFO L138 BoogieDeclarations]: Found implementation of procedure PageMappedToDisk [2019-10-07 07:57:30,646 INFO L138 BoogieDeclarations]: Found implementation of procedure PageUptodate [2019-10-07 07:57:30,646 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageUptodate [2019-10-07 07:57:30,646 INFO L138 BoogieDeclarations]: Found implementation of procedure set_page_writeback [2019-10-07 07:57:30,646 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-07 07:57:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2019-10-07 07:57:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2019-10-07 07:57:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segments [2019-10-07 07:57:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segment [2019-10-07 07:57:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc [2019-10-07 07:57:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure trylock_page [2019-10-07 07:57:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_page [2019-10-07 07:57:30,648 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_on_page_locked [2019-10-07 07:57:30,648 INFO L138 BoogieDeclarations]: Found implementation of procedure set_buffer_mapped [2019-10-07 07:57:30,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 07:57:30,648 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 07:57:30,648 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2019-10-07 07:57:30,648 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SB [2019-10-07 07:57:30,649 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2019-10-07 07:57:30,650 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_page_array_len [2019-10-07 07:57:30,650 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2019-10-07 07:57:30,650 INFO L138 BoogieDeclarations]: Found implementation of procedure BL_INIT_INVAL_MARKS [2019-10-07 07:57:30,650 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LO2EXT [2019-10-07 07:57:30,650 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LSEG2EXT [2019-10-07 07:57:30,651 INFO L138 BoogieDeclarations]: Found implementation of procedure print_page [2019-10-07 07:57:30,651 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hole [2019-10-07 07:57:30,651 INFO L138 BoogieDeclarations]: Found implementation of procedure is_writable [2019-10-07 07:57:30,651 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_parallel [2019-10-07 07:57:30,651 INFO L138 BoogieDeclarations]: Found implementation of procedure get_parallel [2019-10-07 07:57:30,651 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_parallel [2019-10-07 07:57:30,652 INFO L138 BoogieDeclarations]: Found implementation of procedure put_parallel [2019-10-07 07:57:30,652 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_submit_bio [2019-10-07 07:57:30,653 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_init_bio [2019-10-07 07:57:30,653 INFO L138 BoogieDeclarations]: Found implementation of procedure do_add_page_to_bio [2019-10-07 07:57:30,653 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_add_page_to_bio [2019-10-07 07:57:30,654 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_read [2019-10-07 07:57:30,654 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_cleanup [2019-10-07 07:57:30,654 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_par_io_read [2019-10-07 07:57:30,654 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_pagelist [2019-10-07 07:57:30,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mark_extents_written [2019-10-07 07:57:30,655 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write_zero [2019-10-07 07:57:30,655 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write [2019-10-07 07:57:30,655 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_cleanup [2019-10-07 07:57:30,656 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_par_io_write [2019-10-07 07:57:30,656 INFO L138 BoogieDeclarations]: Found implementation of procedure mark_bad_read [2019-10-07 07:57:30,656 INFO L138 BoogieDeclarations]: Found implementation of procedure map_block [2019-10-07 07:57:30,657 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_single_end_io [2019-10-07 07:57:30,657 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_do_readpage_sync [2019-10-07 07:57:30,658 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_partial_page_sync [2019-10-07 07:57:30,658 INFO L138 BoogieDeclarations]: Found implementation of procedure init_page_for_write [2019-10-07 07:57:30,658 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_find_get_zeroing_page [2019-10-07 07:57:30,658 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_pagelist [2019-10-07 07:57:30,658 INFO L138 BoogieDeclarations]: Found implementation of procedure release_extents [2019-10-07 07:57:30,658 INFO L138 BoogieDeclarations]: Found implementation of procedure release_inval_marks [2019-10-07 07:57:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_layout_hdr [2019-10-07 07:57:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_layout_hdr [2019-10-07 07:57:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_lseg [2019-10-07 07:57:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_lseg [2019-10-07 07:57:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_encode_layoutcommit [2019-10-07 07:57:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_cleanup_layoutcommit [2019-10-07 07:57:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure free_blk_mountid [2019-10-07 07:57:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_blk_get_deviceinfo [2019-10-07 07:57:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_set_layoutdriver [2019-10-07 07:57:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_clear_layoutdriver [2019-10-07 07:57:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure is_aligned_req [2019-10-07 07:57:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pg_init_read [2019-10-07 07:57:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pg_test_read [2019-10-07 07:57:30,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_num_cont_bytes [2019-10-07 07:57:30,661 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pg_init_write [2019-10-07 07:57:30,661 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pg_test_write [2019-10-07 07:57:30,661 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_register_sb [2019-10-07 07:57:30,661 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_unregister_sb [2019-10-07 07:57:30,662 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pipefs_event [2019-10-07 07:57:30,662 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_register_net [2019-10-07 07:57:30,662 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_unregister_net [2019-10-07 07:57:30,662 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_net_init [2019-10-07 07:57:30,663 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_net_exit [2019-10-07 07:57:30,667 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_init [2019-10-07 07:57:30,667 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_exit [2019-10-07 07:57:30,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2019-10-07 07:57:30,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_nfs4blocklayout_init_7_13 [2019-10-07 07:57:30,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-10-07 07:57:30,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_5_1 [2019-10-07 07:57:30,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_4_7_4 [2019-10-07 07:57:30,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_5_7_5 [2019-10-07 07:57:30,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_6_7_6 [2019-10-07 07:57:30,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_6_2 [2019-10-07 07:57:30,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_4_7_7 [2019-10-07 07:57:30,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_5_7_8 [2019-10-07 07:57:30,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_6_7_9 [2019-10-07 07:57:30,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-10-07 07:57:30,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 07:57:30,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-10-07 07:57:30,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_12 [2019-10-07 07:57:30,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_13 [2019-10-07 07:57:30,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_14 [2019-10-07 07:57:30,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_15 [2019-10-07 07:57:30,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_16 [2019-10-07 07:57:30,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_17 [2019-10-07 07:57:30,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_18 [2019-10-07 07:57:30,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_19 [2019-10-07 07:57:30,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_22 [2019-10-07 07:57:30,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_23 [2019-10-07 07:57:30,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_24 [2019-10-07 07:57:30,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-10-07 07:57:30,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_9 [2019-10-07 07:57:30,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_12 [2019-10-07 07:57:30,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_13 [2019-10-07 07:57:30,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_14 [2019-10-07 07:57:30,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_15 [2019-10-07 07:57:30,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_16 [2019-10-07 07:57:30,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_17 [2019-10-07 07:57:30,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_18 [2019-10-07 07:57:30,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_19 [2019-10-07 07:57:30,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_22 [2019-10-07 07:57:30,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_23 [2019-10-07 07:57:30,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_24 [2019-10-07 07:57:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-07 07:57:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_9 [2019-10-07 07:57:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_10 [2019-10-07 07:57:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-07 07:57:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_7 [2019-10-07 07:57:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_7 [2019-10-07 07:57:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 07:57:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-10-07 07:57:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rpc_pipefs_notifier_register [2019-10-07 07:57:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rpc_pipefs_notifier_unregister [2019-10-07 07:57:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_notifier_block_dummy_resourceless_instance_0 [2019-10-07 07:57:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pernet_operations_dummy_resourceless_instance_1 [2019-10-07 07:57:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_2 [2019-10-07 07:57:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_3 [2019-10-07 07:57:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_rpc_pipe_ops_dummy_resourceless_instance_4 [2019-10-07 07:57:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-10-07 07:57:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-10-07 07:57:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2019-10-07 07:57:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-10-07 07:57:30,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_5 [2019-10-07 07:57:30,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-10-07 07:57:30,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2019-10-07 07:57:30,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_1 [2019-10-07 07:57:30,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_5 [2019-10-07 07:57:30,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-10-07 07:57:30,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_5 [2019-10-07 07:57:30,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-10-07 07:57:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_5 [2019-10-07 07:57:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-07 07:57:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 07:57:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 07:57:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 07:57:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2019-10-07 07:57:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2019-10-07 07:57:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2019-10-07 07:57:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2019-10-07 07:57:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rpc_pipefs_notifier_register_83 [2019-10-07 07:57:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rpc_pipefs_notifier_unregister_84 [2019-10-07 07:57:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rpc_pipefs_notifier_unregister_85 [2019-10-07 07:57:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-07 07:57:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure list_replace [2019-10-07 07:57:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-07 07:57:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2019-10-07 07:57:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-07 07:57:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2019-10-07 07:57:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-07 07:57:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-07 07:57:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-07 07:57:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2019-10-07 07:57:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-10-07 07:57:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be64 [2019-10-07 07:57:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_hyper [2019-10-07 07:57:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_choose_list [2019-10-07 07:57:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize [2019-10-07 07:57:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_up [2019-10-07 07:57:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure _find_entry [2019-10-07 07:57:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure _has_tag [2019-10-07 07:57:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure _add_entry [2019-10-07 07:57:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_range [2019-10-07 07:57:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure _preload_range [2019-10-07 07:57:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_is_sector_init [2019-10-07 07:57:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure _range_has_tag [2019-10-07 07:57:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure is_range_written [2019-10-07 07:57:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_mark_sectors_init [2019-10-07 07:57:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mark_written_sectors [2019-10-07 07:57:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure print_short_extent [2019-10-07 07:57:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure print_clist [2019-10-07 07:57:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_commitlist [2019-10-07 07:57:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_mark_for_commit [2019-10-07 07:57:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure print_bl_extent [2019-10-07 07:57:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_extent [2019-10-07 07:57:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_put_extent [2019-10-07 07:57:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_extent [2019-10-07 07:57:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure print_elist [2019-10-07 07:57:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure extents_consistent [2019-10-07 07:57:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_add_merge_extent [2019-10-07 07:57:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_find_get_extent [2019-10-07 07:57:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_find_get_extent_locked [2019-10-07 07:57:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure encode_pnfs_block_layoutupdate [2019-10-07 07:57:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure _prep_new_extent [2019-10-07 07:57:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure _front_merge [2019-10-07 07:57:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure set_to_rw [2019-10-07 07:57:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_pnfs_block_layoutupdate [2019-10-07 07:57:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_push_one_short_extent [2019-10-07 07:57:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pop_one_short_extent [2019-10-07 07:57:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_short_extents [2019-10-07 07:57:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2019-10-07 07:57:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2019-10-07 07:57:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_105 [2019-10-07 07:57:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_106 [2019-10-07 07:57:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2019-10-07 07:57:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab64p [2019-10-07 07:57:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __be64_to_cpup [2019-10-07 07:57:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2019-10-07 07:57:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_CAST [2019-10-07 07:57:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-07 07:57:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be64 [2019-10-07 07:57:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_decode_hyper [2019-10-07 07:57:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_sector_number [2019-10-07 07:57:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_blkdev_put [2019-10-07 07:57:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pipe_downcall [2019-10-07 07:57:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pipe_destroy_msg [2019-10-07 07:57:30,701 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_blk_decode_device [2019-10-07 07:57:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_devid [2019-10-07 07:57:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_extent [2019-10-07 07:57:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_blk_process_layoutget [2019-10-07 07:57:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add___1 [2019-10-07 07:57:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub___1 [2019-10-07 07:57:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock___1 [2019-10-07 07:57:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock___1 [2019-10-07 07:57:30,707 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock___1 [2019-10-07 07:57:30,707 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock___1 [2019-10-07 07:57:30,707 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic___1 [2019-10-07 07:57:30,707 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_remove [2019-10-07 07:57:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_blk_metadev_release [2019-10-07 07:57:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_block_dev [2019-10-07 07:57:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-07 07:57:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-07 07:57:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-07 07:57:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 07:57:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 07:57:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 07:57:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 07:57:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-07 07:57:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-07 07:57:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-07 07:57:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-07 07:57:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-07 07:57:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-07 07:57:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 07:57:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 07:57:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 07:57:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 07:57:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-07 07:57:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 07:57:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-07 07:57:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-07 07:57:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-07 07:57:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-07 07:57:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-07 07:57:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-07 07:57:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-07 07:57:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 07:57:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 07:57:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 07:57:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-07 07:57:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-07 07:57:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-07 07:57:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-07 07:57:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-07 07:57:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-07 07:57:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-07 07:57:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-07 07:57:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-07 07:57:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-07 07:57:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-07 07:57:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-07 07:57:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-07 07:57:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-07 07:57:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-07 07:57:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-07 07:57:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-07 07:57:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-07 07:57:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-07 07:57:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-07 07:57:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-07 07:57:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-07 07:57:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-07 07:57:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-07 07:57:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-07 07:57:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-07 07:57:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-07 07:57:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-07 07:57:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-07 07:57:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-07 07:57:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bl_ext_lock_of_pnfs_block_layout [2019-10-07 07:57:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bl_ext_lock_of_pnfs_block_layout [2019-10-07 07:57:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_bl_ext_lock_of_pnfs_block_layout [2019-10-07 07:57:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_bl_ext_lock_of_pnfs_block_layout [2019-10-07 07:57:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_bl_ext_lock_of_pnfs_block_layout [2019-10-07 07:57:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_bl_ext_lock_of_pnfs_block_layout [2019-10-07 07:57:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_bl_ext_lock_of_pnfs_block_layout [2019-10-07 07:57:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_bl_ext_lock_of_pnfs_block_layout [2019-10-07 07:57:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bm_lock_of_block_mount_id [2019-10-07 07:57:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bm_lock_of_block_mount_id [2019-10-07 07:57:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_bm_lock_of_block_mount_id [2019-10-07 07:57:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_bm_lock_of_block_mount_id [2019-10-07 07:57:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_bm_lock_of_block_mount_id [2019-10-07 07:57:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_bm_lock_of_block_mount_id [2019-10-07 07:57:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_bm_lock_of_block_mount_id [2019-10-07 07:57:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_bm_lock_of_block_mount_id [2019-10-07 07:57:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cl_lock_of_nfs_client [2019-10-07 07:57:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_cl_lock_of_nfs_client [2019-10-07 07:57:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_cl_lock_of_nfs_client [2019-10-07 07:57:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_cl_lock_of_nfs_client [2019-10-07 07:57:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_cl_lock_of_nfs_client [2019-10-07 07:57:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_cl_lock_of_nfs_client [2019-10-07 07:57:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_cl_lock_of_nfs_client [2019-10-07 07:57:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_cl_lock_of_nfs_client [2019-10-07 07:57:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-10-07 07:57:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-07 07:57:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-07 07:57:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-07 07:57:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-07 07:57:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-07 07:57:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-07 07:57:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-07 07:57:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2019-10-07 07:57:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2019-10-07 07:57:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_im_lock_of_pnfs_inval_markings [2019-10-07 07:57:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_im_lock_of_pnfs_inval_markings [2019-10-07 07:57:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_im_lock_of_pnfs_inval_markings [2019-10-07 07:57:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_im_lock_of_pnfs_inval_markings [2019-10-07 07:57:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_im_lock_of_pnfs_inval_markings [2019-10-07 07:57:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_im_lock_of_pnfs_inval_markings [2019-10-07 07:57:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-10-07 07:57:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-10-07 07:57:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-10-07 07:57:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-10-07 07:57:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-10-07 07:57:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-10-07 07:57:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-10-07 07:57:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-10-07 07:57:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_res_counter [2019-10-07 07:57:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_res_counter [2019-10-07 07:57:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_res_counter [2019-10-07 07:57:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_res_counter [2019-10-07 07:57:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_res_counter [2019-10-07 07:57:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_res_counter [2019-10-07 07:57:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_res_counter [2019-10-07 07:57:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2019-10-07 07:57:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-07 07:57:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-07 07:57:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-07 07:57:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-07 07:57:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-07 07:57:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-07 07:57:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-07 07:57:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-07 07:57:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-07 07:57:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-07 07:57:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-07 07:57:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-07 07:57:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-07 07:57:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-07 07:57:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-07 07:57:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-07 07:57:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-10-07 07:57:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-10-07 07:57:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-10-07 07:57:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-10-07 07:57:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-10-07 07:57:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-10-07 07:57:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-10-07 07:57:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-10-07 07:57:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-07 07:57:30,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-07 07:57:30,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-07 07:57:30,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-07 07:57:30,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-07 07:57:30,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-07 07:57:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-07 07:57:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-07 07:57:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_sk_dst_lock_of_sock [2019-10-07 07:57:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2019-10-07 07:57:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2019-10-07 07:57:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2019-10-07 07:57:30,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2019-10-07 07:57:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2019-10-07 07:57:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2019-10-07 07:57:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2019-10-07 07:57:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-07 07:57:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-07 07:57:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-07 07:57:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-07 07:57:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-07 07:57:30,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-07 07:57:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-07 07:57:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-07 07:57:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 07:57:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-10-07 07:57:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-07 07:57:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-07 07:57:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-07 07:57:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-07 07:57:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_206 [2019-10-07 07:57:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_535 [2019-10-07 07:57:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_536 [2019-10-07 07:57:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-07 07:57:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2019-10-07 07:57:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-07 07:57:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-07 07:57:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 07:57:30,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-07 07:57:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __lock_page [2019-10-07 07:57:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-07 07:57:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 07:57:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-07 07:57:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-07 07:57:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 07:57:30,738 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-07 07:57:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 07:57:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-07 07:57:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-10-07 07:57:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_page_buffers [2019-10-07 07:57:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-10-07 07:57:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_submit_read [2019-10-07 07:57:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_uptodate_or_lock [2019-10-07 07:57:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_add_page [2019-10-07 07:57:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc_bioset [2019-10-07 07:57:30,740 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2019-10-07 07:57:30,740 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_get_by_dev [2019-10-07 07:57:30,740 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_put [2019-10-07 07:57:30,740 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-07 07:57:30,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2019-10-07 07:57:30,740 INFO L138 BoogieDeclarations]: Found implementation of procedure end_page_writeback [2019-10-07 07:57:30,740 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-07 07:57:30,740 INFO L138 BoogieDeclarations]: Found implementation of procedure find_get_page [2019-10-07 07:57:30,741 INFO L138 BoogieDeclarations]: Found implementation of procedure find_or_create_page [2019-10-07 07:57:30,741 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer_head [2019-10-07 07:57:30,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-07 07:57:30,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-07 07:57:30,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 07:57:30,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 07:57:30,741 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-07 07:57:30,741 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2019-10-07 07:57:30,741 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2019-10-07 07:57:30,742 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2019-10-07 07:57:30,742 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-07 07:57:30,742 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-10-07 07:57:30,742 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-07 07:57:30,742 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-10-07 07:57:30,742 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_proc_getdeviceinfo [2019-10-07 07:57:30,742 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_proc_getdevicelist [2019-10-07 07:57:30,742 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_dreq_bytes_left [2019-10-07 07:57:30,743 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2019-10-07 07:57:30,743 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_write_mds [2019-10-07 07:57:30,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_init_read [2019-10-07 07:57:30,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_init_write [2019-10-07 07:57:30,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_readpages [2019-10-07 07:57:30,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_test [2019-10-07 07:57:30,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_writepages [2019-10-07 07:57:30,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_ld_read_done [2019-10-07 07:57:30,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_ld_write_done [2019-10-07 07:57:30,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_register_layoutdriver [2019-10-07 07:57:30,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_set_lo_fail [2019-10-07 07:57:30,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_unregister_layoutdriver [2019-10-07 07:57:30,744 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 07:57:30,744 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2019-10-07 07:57:30,744 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-07 07:57:30,744 INFO L138 BoogieDeclarations]: Found implementation of procedure radix_tree_next_hole [2019-10-07 07:57:30,744 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-10-07 07:57:30,744 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2019-10-07 07:57:30,745 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pernet_subsys [2019-10-07 07:57:30,745 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2019-10-07 07:57:30,745 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_d_lookup_sb [2019-10-07 07:57:30,745 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_destroy_pipe_data [2019-10-07 07:57:30,745 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_get_sb_net [2019-10-07 07:57:30,745 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_mkpipe_data [2019-10-07 07:57:30,745 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_mkpipe_dentry [2019-10-07 07:57:30,745 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pipe_generic_upcall [2019-10-07 07:57:30,746 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pipefs_notifier_register [2019-10-07 07:57:30,746 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pipefs_notifier_unregister [2019-10-07 07:57:30,746 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_put_sb_net [2019-10-07 07:57:30,746 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_queue_upcall [2019-10-07 07:57:30,746 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_unlink [2019-10-07 07:57:30,746 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-07 07:57:30,746 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_bio [2019-10-07 07:57:30,746 INFO L138 BoogieDeclarations]: Found implementation of procedure test_set_page_writeback [2019-10-07 07:57:30,747 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-10-07 07:57:30,747 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_page [2019-10-07 07:57:30,747 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_subsys [2019-10-07 07:57:30,747 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_on_page_bit [2019-10-07 07:57:30,747 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 07:57:30,747 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_opaque_fixed [2019-10-07 07:57:30,747 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2019-10-07 07:57:30,747 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2019-10-07 07:57:30,747 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_reserve_space [2019-10-07 07:57:30,748 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2019-10-07 07:57:30,748 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2019-10-07 07:57:30,748 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 07:57:30,748 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 07:57:30,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 07:57:30,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 07:57:30,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 07:57:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 07:57:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 07:57:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 07:57:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 07:57:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-07 07:57:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 07:57:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 07:57:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 07:57:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-07 07:57:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 07:57:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-07 07:57:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-07 07:57:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 07:57:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-07 07:57:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit_lock [2019-10-07 07:57:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-07 07:57:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 07:57:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 07:57:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-07 07:57:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-07 07:57:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-07 07:57:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 07:57:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 07:57:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 07:57:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-07 07:57:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 07:57:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 07:57:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-07 07:57:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-07 07:57:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 07:57:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-10-07 07:57:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-07 07:57:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-07 07:57:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2019-10-07 07:57:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2019-10-07 07:57:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2019-10-07 07:57:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-10-07 07:57:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bl_ext_lock_of_pnfs_block_layout [2019-10-07 07:57:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bl_ext_lock_of_pnfs_block_layout [2019-10-07 07:57:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bm_lock_of_block_mount_id [2019-10-07 07:57:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bm_lock_of_block_mount_id [2019-10-07 07:57:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 07:57:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-07 07:57:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 07:57:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-07 07:57:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 07:57:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 07:57:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-07 07:57:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-07 07:57:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-07 07:57:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-10-07 07:57:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-10-07 07:57:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 07:57:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 07:57:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 07:57:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 07:57:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 07:57:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2019-10-07 07:57:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2019-10-07 07:57:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 07:57:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2019-10-07 07:57:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2019-10-07 07:57:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-07 07:57:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2019-10-07 07:57:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2019-10-07 07:57:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-10-07 07:57:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2019-10-07 07:57:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2019-10-07 07:57:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2019-10-07 07:57:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-07 07:57:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2019-10-07 07:57:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2019-10-07 07:57:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 07:57:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2019-10-07 07:57:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-07 07:57:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-07 07:57:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-07 07:57:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-07 07:57:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-10-07 07:57:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-07 07:57:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2019-10-07 07:57:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-10-07 07:57:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-07 07:57:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-10-07 07:57:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 07:57:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-10-07 07:57:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-10-07 07:57:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-10-07 07:57:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2019-10-07 07:57:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure radix_tree_next_hole [2019-10-07 07:57:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2019-10-07 07:57:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure submit_bio [2019-10-07 07:57:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure PageLocked [2019-10-07 07:57:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure PageError [2019-10-07 07:57:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure PageReferenced [2019-10-07 07:57:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure PageDirty [2019-10-07 07:57:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure PagePrivate [2019-10-07 07:57:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure PageWriteback [2019-10-07 07:57:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure PageMappedToDisk [2019-10-07 07:57:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure PageUptodate [2019-10-07 07:57:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageUptodate [2019-10-07 07:57:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure test_set_page_writeback [2019-10-07 07:57:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure set_page_writeback [2019-10-07 07:57:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2019-10-07 07:57:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-07 07:57:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2019-10-07 07:57:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2019-10-07 07:57:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_206 [2019-10-07 07:57:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segments [2019-10-07 07:57:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 07:57:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segment [2019-10-07 07:57:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc_bioset [2019-10-07 07:57:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2019-10-07 07:57:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc [2019-10-07 07:57:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure bio_add_page [2019-10-07 07:57:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure find_get_page [2019-10-07 07:57:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure find_or_create_page [2019-10-07 07:57:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure __lock_page [2019-10-07 07:57:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_page [2019-10-07 07:57:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure trylock_page [2019-10-07 07:57:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure lock_page [2019-10-07 07:57:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure wait_on_page_bit [2019-10-07 07:57:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure wait_on_page_locked [2019-10-07 07:57:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure end_page_writeback [2019-10-07 07:57:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure set_buffer_mapped [2019-10-07 07:57:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_page_buffers [2019-10-07 07:57:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer_head [2019-10-07 07:57:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure bh_uptodate_or_lock [2019-10-07 07:57:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure bh_submit_read [2019-10-07 07:57:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pipefs_notifier_register [2019-10-07 07:57:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rpc_pipefs_notifier_register_83 [2019-10-07 07:57:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pipefs_notifier_unregister [2019-10-07 07:57:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rpc_pipefs_notifier_unregister_84 [2019-10-07 07:57:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rpc_pipefs_notifier_unregister_85 [2019-10-07 07:57:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_d_lookup_sb [2019-10-07 07:57:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_get_sb_net [2019-10-07 07:57:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_put_sb_net [2019-10-07 07:57:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pipe_generic_upcall [2019-10-07 07:57:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_mkpipe_data [2019-10-07 07:57:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_destroy_pipe_data [2019-10-07 07:57:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_mkpipe_dentry [2019-10-07 07:57:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_unlink [2019-10-07 07:57:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 07:57:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 07:57:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 07:57:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 07:57:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 07:57:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure register_pernet_subsys [2019-10-07 07:57:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_subsys [2019-10-07 07:57:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2019-10-07 07:57:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SB [2019-10-07 07:57:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2019-10-07 07:57:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_register_layoutdriver [2019-10-07 07:57:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_unregister_layoutdriver [2019-10-07 07:57:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_proc_getdevicelist [2019-10-07 07:57:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_proc_getdeviceinfo [2019-10-07 07:57:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_init_read [2019-10-07 07:57:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_readpages [2019-10-07 07:57:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_init_write [2019-10-07 07:57:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_writepages [2019-10-07 07:57:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_test [2019-10-07 07:57:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_set_lo_fail [2019-10-07 07:57:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_ld_write_done [2019-10-07 07:57:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_ld_read_done [2019-10-07 07:57:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2019-10-07 07:57:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_write_mds [2019-10-07 07:57:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_dreq_bytes_left [2019-10-07 07:57:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_page_array_len [2019-10-07 07:57:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2019-10-07 07:57:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure BL_INIT_INVAL_MARKS [2019-10-07 07:57:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 07:57:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LO2EXT [2019-10-07 07:57:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LSEG2EXT [2019-10-07 07:57:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pipe_downcall [2019-10-07 07:57:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pipe_destroy_msg [2019-10-07 07:57:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_blk_decode_device [2019-10-07 07:57:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_blk_process_layoutget [2019-10-07 07:57:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_block_dev [2019-10-07 07:57:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure bl_find_get_extent [2019-10-07 07:57:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure bl_mark_sectors_init [2019-10-07 07:57:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure bl_put_extent [2019-10-07 07:57:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure bl_is_sector_init [2019-10-07 07:57:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure encode_pnfs_block_layoutupdate [2019-10-07 07:57:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure clean_pnfs_block_layoutupdate [2019-10-07 07:57:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure bl_mark_for_commit [2019-10-07 07:57:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure bl_push_one_short_extent [2019-10-07 07:57:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pop_one_short_extent [2019-10-07 07:57:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_short_extents [2019-10-07 07:57:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure print_page [2019-10-07 07:57:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure is_hole [2019-10-07 07:57:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure is_writable [2019-10-07 07:57:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_parallel [2019-10-07 07:57:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure get_parallel [2019-10-07 07:57:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_parallel [2019-10-07 07:57:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-07 07:57:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure put_parallel [2019-10-07 07:57:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure bl_submit_bio [2019-10-07 07:57:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_init_bio [2019-10-07 07:57:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure do_add_page_to_bio [2019-10-07 07:57:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure bl_add_page_to_bio [2019-10-07 07:57:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_read [2019-10-07 07:57:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_cleanup [2019-10-07 07:57:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_par_io_read [2019-10-07 07:57:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_pagelist [2019-10-07 07:57:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure mark_extents_written [2019-10-07 07:57:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write_zero [2019-10-07 07:57:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write [2019-10-07 07:57:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_cleanup [2019-10-07 07:57:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_par_io_write [2019-10-07 07:57:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure mark_bad_read [2019-10-07 07:57:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure map_block [2019-10-07 07:57:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_single_end_io [2019-10-07 07:57:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_535 [2019-10-07 07:57:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_536 [2019-10-07 07:57:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure bl_do_readpage_sync [2019-10-07 07:57:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 07:57:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_partial_page_sync [2019-10-07 07:57:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure init_page_for_write [2019-10-07 07:57:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure bl_find_get_zeroing_page [2019-10-07 07:57:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_pagelist [2019-10-07 07:57:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure release_extents [2019-10-07 07:57:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure release_inval_marks [2019-10-07 07:57:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_layout_hdr [2019-10-07 07:57:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_layout_hdr [2019-10-07 07:57:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_lseg [2019-10-07 07:57:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_lseg [2019-10-07 07:57:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure bl_encode_layoutcommit [2019-10-07 07:57:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure bl_cleanup_layoutcommit [2019-10-07 07:57:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure free_blk_mountid [2019-10-07 07:57:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_blk_get_deviceinfo [2019-10-07 07:57:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure bl_set_layoutdriver [2019-10-07 07:57:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure bl_clear_layoutdriver [2019-10-07 07:57:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure is_aligned_req [2019-10-07 07:57:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pg_init_read [2019-10-07 07:57:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pg_test_read [2019-10-07 07:57:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_num_cont_bytes [2019-10-07 07:57:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pg_init_write [2019-10-07 07:57:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pg_test_write [2019-10-07 07:57:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_register_sb [2019-10-07 07:57:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_unregister_sb [2019-10-07 07:57:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pipefs_event [2019-10-07 07:57:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_register_net [2019-10-07 07:57:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_unregister_net [2019-10-07 07:57:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_net_init [2019-10-07 07:57:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_net_exit [2019-10-07 07:57:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_init [2019-10-07 07:57:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_exit [2019-10-07 07:57:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2019-10-07 07:57:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_nfs4blocklayout_init_7_13 [2019-10-07 07:57:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-10-07 07:57:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_5_1 [2019-10-07 07:57:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_4_7_4 [2019-10-07 07:57:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_5_7_5 [2019-10-07 07:57:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_6_7_6 [2019-10-07 07:57:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_6_2 [2019-10-07 07:57:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_4_7_7 [2019-10-07 07:57:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_5_7_8 [2019-10-07 07:57:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_6_7_9 [2019-10-07 07:57:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-10-07 07:57:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-10-07 07:57:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-10-07 07:57:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_12 [2019-10-07 07:57:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_13 [2019-10-07 07:57:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_14 [2019-10-07 07:57:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_15 [2019-10-07 07:57:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_16 [2019-10-07 07:57:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_17 [2019-10-07 07:57:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_18 [2019-10-07 07:57:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_19 [2019-10-07 07:57:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_22 [2019-10-07 07:57:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_23 [2019-10-07 07:57:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_24 [2019-10-07 07:57:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_3 [2019-10-07 07:57:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_9 [2019-10-07 07:57:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_12 [2019-10-07 07:57:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_13 [2019-10-07 07:57:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_14 [2019-10-07 07:57:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_15 [2019-10-07 07:57:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_16 [2019-10-07 07:57:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_17 [2019-10-07 07:57:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_18 [2019-10-07 07:57:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_19 [2019-10-07 07:57:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_22 [2019-10-07 07:57:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_23 [2019-10-07 07:57:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_24 [2019-10-07 07:57:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-10-07 07:57:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_9 [2019-10-07 07:57:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_10 [2019-10-07 07:57:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-10-07 07:57:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_7 [2019-10-07 07:57:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_7 [2019-10-07 07:57:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 07:57:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-10-07 07:57:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rpc_pipefs_notifier_register [2019-10-07 07:57:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rpc_pipefs_notifier_unregister [2019-10-07 07:57:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_notifier_block_dummy_resourceless_instance_0 [2019-10-07 07:57:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pernet_operations_dummy_resourceless_instance_1 [2019-10-07 07:57:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_2 [2019-10-07 07:57:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pnfs_layoutdriver_type_dummy_resourceless_instance_3 [2019-10-07 07:57:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_rpc_pipe_ops_dummy_resourceless_instance_4 [2019-10-07 07:57:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-10-07 07:57:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-10-07 07:57:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2019-10-07 07:57:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-10-07 07:57:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_5 [2019-10-07 07:57:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-10-07 07:57:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2019-10-07 07:57:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_1 [2019-10-07 07:57:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_5 [2019-10-07 07:57:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-10-07 07:57:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_5 [2019-10-07 07:57:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-10-07 07:57:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_5 [2019-10-07 07:57:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-07 07:57:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-07 07:57:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure list_replace [2019-10-07 07:57:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-07 07:57:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2019-10-07 07:57:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-07 07:57:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2019-10-07 07:57:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-07 07:57:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2019-10-07 07:57:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2019-10-07 07:57:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-07 07:57:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-07 07:57:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_105 [2019-10-07 07:57:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-07 07:57:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2019-10-07 07:57:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_106 [2019-10-07 07:57:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-07 07:57:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2019-10-07 07:57:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2019-10-07 07:57:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-10-07 07:57:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be64 [2019-10-07 07:57:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_opaque_fixed [2019-10-07 07:57:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_hyper [2019-10-07 07:57:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_reserve_space [2019-10-07 07:57:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure bl_choose_list [2019-10-07 07:57:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_extent [2019-10-07 07:57:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure bl_add_merge_extent [2019-10-07 07:57:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure normalize [2019-10-07 07:57:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_up [2019-10-07 07:57:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure _find_entry [2019-10-07 07:57:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure _has_tag [2019-10-07 07:57:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure _add_entry [2019-10-07 07:57:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure _set_range [2019-10-07 07:57:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure _preload_range [2019-10-07 07:57:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure _range_has_tag [2019-10-07 07:57:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure is_range_written [2019-10-07 07:57:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure mark_written_sectors [2019-10-07 07:57:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure print_short_extent [2019-10-07 07:57:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure print_clist [2019-10-07 07:57:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_commitlist [2019-10-07 07:57:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure print_bl_extent [2019-10-07 07:57:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_extent [2019-10-07 07:57:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure print_elist [2019-10-07 07:57:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure extents_consistent [2019-10-07 07:57:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure bl_find_get_extent_locked [2019-10-07 07:57:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure _prep_new_extent [2019-10-07 07:57:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure _front_merge [2019-10-07 07:57:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure set_to_rw [2019-10-07 07:57:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2019-10-07 07:57:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure __swab64p [2019-10-07 07:57:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure __be64_to_cpup [2019-10-07 07:57:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2019-10-07 07:57:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-07 07:57:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-07 07:57:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_CAST [2019-10-07 07:57:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-07 07:57:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2019-10-07 07:57:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-10-07 07:57:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2019-10-07 07:57:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-07 07:57:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_get_by_dev [2019-10-07 07:57:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_put [2019-10-07 07:57:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-07 07:57:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-07 07:57:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-07 07:57:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-07 07:57:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be64 [2019-10-07 07:57:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_decode_hyper [2019-10-07 07:57:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2019-10-07 07:57:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2019-10-07 07:57:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2019-10-07 07:57:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_queue_upcall [2019-10-07 07:57:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_blkdev_put [2019-10-07 07:57:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure decode_sector_number [2019-10-07 07:57:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure translate_devid [2019-10-07 07:57:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure verify_extent [2019-10-07 07:57:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add___1 [2019-10-07 07:57:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub___1 [2019-10-07 07:57:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock___1 [2019-10-07 07:57:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock___1 [2019-10-07 07:57:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock___1 [2019-10-07 07:57:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock___1 [2019-10-07 07:57:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic___1 [2019-10-07 07:57:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure dev_remove [2019-10-07 07:57:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_blk_metadev_release [2019-10-07 07:57:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-07 07:57:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-07 07:57:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-07 07:57:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 07:57:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-07 07:57:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 07:57:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-07 07:57:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-07 07:57:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-07 07:57:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 07:57:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-07 07:57:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-07 07:57:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 07:57:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-07 07:57:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-07 07:57:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-07 07:57:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-07 07:57:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-07 07:57:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 07:57:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 07:57:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 07:57:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 07:57:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 07:57:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 07:57:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 07:57:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-07 07:57:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-07 07:57:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 07:57:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 07:57:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 07:57:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-07 07:57:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-07 07:57:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-07 07:57:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-07 07:57:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-07 07:57:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-07 07:57:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-07 07:57:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-07 07:57:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-10-07 07:57:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-10-07 07:57:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-10-07 07:57:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-10-07 07:57:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-10-07 07:57:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-10-07 07:57:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-10-07 07:57:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-10-07 07:57:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-10-07 07:57:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-10-07 07:57:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-10-07 07:57:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-10-07 07:57:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-10-07 07:57:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-10-07 07:57:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-10-07 07:57:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-10-07 07:57:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-07 07:57:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-07 07:57:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-07 07:57:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-07 07:57:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-07 07:57:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-07 07:57:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-07 07:57:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-07 07:57:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_bl_ext_lock_of_pnfs_block_layout [2019-10-07 07:57:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_bl_ext_lock_of_pnfs_block_layout [2019-10-07 07:57:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_bl_ext_lock_of_pnfs_block_layout [2019-10-07 07:57:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_bl_ext_lock_of_pnfs_block_layout [2019-10-07 07:57:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_bl_ext_lock_of_pnfs_block_layout [2019-10-07 07:57:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_bl_ext_lock_of_pnfs_block_layout [2019-10-07 07:57:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_bm_lock_of_block_mount_id [2019-10-07 07:57:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_bm_lock_of_block_mount_id [2019-10-07 07:57:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_bm_lock_of_block_mount_id [2019-10-07 07:57:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_bm_lock_of_block_mount_id [2019-10-07 07:57:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_bm_lock_of_block_mount_id [2019-10-07 07:57:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_bm_lock_of_block_mount_id [2019-10-07 07:57:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cl_lock_of_nfs_client [2019-10-07 07:57:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_cl_lock_of_nfs_client [2019-10-07 07:57:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_cl_lock_of_nfs_client [2019-10-07 07:57:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_cl_lock_of_nfs_client [2019-10-07 07:57:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_cl_lock_of_nfs_client [2019-10-07 07:57:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_cl_lock_of_nfs_client [2019-10-07 07:57:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_cl_lock_of_nfs_client [2019-10-07 07:57:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_cl_lock_of_nfs_client [2019-10-07 07:57:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-10-07 07:57:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-07 07:57:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-07 07:57:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-07 07:57:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-07 07:57:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-07 07:57:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-07 07:57:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-07 07:57:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_im_lock_of_pnfs_inval_markings [2019-10-07 07:57:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_im_lock_of_pnfs_inval_markings [2019-10-07 07:57:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_im_lock_of_pnfs_inval_markings [2019-10-07 07:57:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_im_lock_of_pnfs_inval_markings [2019-10-07 07:57:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_im_lock_of_pnfs_inval_markings [2019-10-07 07:57:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_im_lock_of_pnfs_inval_markings [2019-10-07 07:57:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-10-07 07:57:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-10-07 07:57:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-10-07 07:57:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-10-07 07:57:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-10-07 07:57:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-10-07 07:57:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-10-07 07:57:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-10-07 07:57:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_res_counter [2019-10-07 07:57:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_res_counter [2019-10-07 07:57:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_res_counter [2019-10-07 07:57:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_res_counter [2019-10-07 07:57:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_res_counter [2019-10-07 07:57:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_res_counter [2019-10-07 07:57:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_res_counter [2019-10-07 07:57:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2019-10-07 07:57:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-10-07 07:57:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-10-07 07:57:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-10-07 07:57:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-10-07 07:57:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-10-07 07:57:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-10-07 07:57:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-10-07 07:57:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-10-07 07:57:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-07 07:57:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-07 07:57:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-07 07:57:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-07 07:57:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-07 07:57:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-07 07:57:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-07 07:57:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-07 07:57:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-10-07 07:57:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-10-07 07:57:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-10-07 07:57:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-10-07 07:57:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-10-07 07:57:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-10-07 07:57:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-10-07 07:57:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-10-07 07:57:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-07 07:57:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-07 07:57:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-07 07:57:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-07 07:57:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-07 07:57:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-07 07:57:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-07 07:57:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-07 07:57:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_sk_dst_lock_of_sock [2019-10-07 07:57:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2019-10-07 07:57:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2019-10-07 07:57:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2019-10-07 07:57:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2019-10-07 07:57:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2019-10-07 07:57:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2019-10-07 07:57:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2019-10-07 07:57:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2019-10-07 07:57:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-10-07 07:57:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-10-07 07:57:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-10-07 07:57:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-10-07 07:57:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-10-07 07:57:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-10-07 07:57:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-10-07 07:57:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-10-07 07:57:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-10-07 07:57:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 07:57:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 07:57:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-07 07:57:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 07:57:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 07:57:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 07:57:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 07:57:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 07:57:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 07:57:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 07:57:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 07:57:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 07:57:37,350 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-10-07 07:57:38,279 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 07:57:59,528 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 07:57:59,529 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-07 07:57:59,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 07:57:59 BoogieIcfgContainer [2019-10-07 07:57:59,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 07:57:59,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 07:57:59,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 07:57:59,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 07:57:59,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 07:57:22" (1/3) ... [2019-10-07 07:57:59,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52bcd9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 07:57:59, skipping insertion in model container [2019-10-07 07:57:59,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 07:57:30" (2/3) ... [2019-10-07 07:57:59,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52bcd9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 07:57:59, skipping insertion in model container [2019-10-07 07:57:59,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 07:57:59" (3/3) ... [2019-10-07 07:57:59,541 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2019-10-07 07:57:59,551 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 07:57:59,565 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-07 07:57:59,578 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-07 07:57:59,619 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 07:57:59,619 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 07:57:59,620 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 07:57:59,620 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 07:57:59,620 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 07:57:59,620 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 07:57:59,620 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 07:57:59,620 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 07:57:59,821 INFO L276 IsEmpty]: Start isEmpty. Operand 3614 states. [2019-10-07 07:57:59,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-10-07 07:57:59,856 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:57:59,858 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] [2019-10-07 07:57:59,860 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 07:57:59,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:57:59,868 INFO L82 PathProgramCache]: Analyzing trace with hash -777127648, now seen corresponding path program 1 times [2019-10-07 07:57:59,875 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:57:59,875 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:57:59,876 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:57:59,876 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:57:59,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:01,310 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 07:58:01,310 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:01,311 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:01,311 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:58:01,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:58:01,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:58:01,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:58:01,334 INFO L87 Difference]: Start difference. First operand 3614 states. Second operand 3 states. [2019-10-07 07:58:05,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:05,155 INFO L93 Difference]: Finished difference Result 9183 states and 12670 transitions. [2019-10-07 07:58:05,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:58:05,157 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 279 [2019-10-07 07:58:05,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:05,255 INFO L225 Difference]: With dead ends: 9183 [2019-10-07 07:58:05,255 INFO L226 Difference]: Without dead ends: 6063 [2019-10-07 07:58:05,290 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 07:58:05,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6063 states. [2019-10-07 07:58:05,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6063 to 6059. [2019-10-07 07:58:05,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6059 states. [2019-10-07 07:58:05,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6059 states to 6059 states and 8064 transitions. [2019-10-07 07:58:05,936 INFO L78 Accepts]: Start accepts. Automaton has 6059 states and 8064 transitions. Word has length 279 [2019-10-07 07:58:05,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:05,937 INFO L462 AbstractCegarLoop]: Abstraction has 6059 states and 8064 transitions. [2019-10-07 07:58:05,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:58:05,938 INFO L276 IsEmpty]: Start isEmpty. Operand 6059 states and 8064 transitions. [2019-10-07 07:58:05,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-10-07 07:58:05,949 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:05,950 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, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:05,950 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 07:58:05,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:05,951 INFO L82 PathProgramCache]: Analyzing trace with hash -714730978, now seen corresponding path program 1 times [2019-10-07 07:58:05,951 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:05,951 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:05,952 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:05,952 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:05,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:06,819 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 07:58:06,819 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:06,820 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:06,820 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:58:06,822 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:58:06,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:58:06,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:58:06,823 INFO L87 Difference]: Start difference. First operand 6059 states and 8064 transitions. Second operand 3 states. [2019-10-07 07:58:11,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:11,081 INFO L93 Difference]: Finished difference Result 14870 states and 19791 transitions. [2019-10-07 07:58:11,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:58:11,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 295 [2019-10-07 07:58:11,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:11,162 INFO L225 Difference]: With dead ends: 14870 [2019-10-07 07:58:11,163 INFO L226 Difference]: Without dead ends: 8897 [2019-10-07 07:58:11,195 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 07:58:11,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8897 states. [2019-10-07 07:58:11,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8897 to 8860. [2019-10-07 07:58:11,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8860 states. [2019-10-07 07:58:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8860 states to 8860 states and 11780 transitions. [2019-10-07 07:58:11,706 INFO L78 Accepts]: Start accepts. Automaton has 8860 states and 11780 transitions. Word has length 295 [2019-10-07 07:58:11,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:11,708 INFO L462 AbstractCegarLoop]: Abstraction has 8860 states and 11780 transitions. [2019-10-07 07:58:11,708 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:58:11,708 INFO L276 IsEmpty]: Start isEmpty. Operand 8860 states and 11780 transitions. [2019-10-07 07:58:11,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-10-07 07:58:11,714 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:11,715 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:11,715 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 07:58:11,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:11,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1170817005, now seen corresponding path program 1 times [2019-10-07 07:58:11,716 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:11,716 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:11,716 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:11,716 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:11,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:12,291 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 07:58:12,292 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:12,292 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:12,293 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:58:12,294 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:58:12,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:58:12,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:58:12,295 INFO L87 Difference]: Start difference. First operand 8860 states and 11780 transitions. Second operand 3 states. [2019-10-07 07:58:16,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:16,442 INFO L93 Difference]: Finished difference Result 18863 states and 24966 transitions. [2019-10-07 07:58:16,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:58:16,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 296 [2019-10-07 07:58:16,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:16,514 INFO L225 Difference]: With dead ends: 18863 [2019-10-07 07:58:16,515 INFO L226 Difference]: Without dead ends: 10089 [2019-10-07 07:58:16,556 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 07:58:16,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10089 states. [2019-10-07 07:58:18,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10089 to 10046. [2019-10-07 07:58:18,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10046 states. [2019-10-07 07:58:18,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10046 states to 10046 states and 13227 transitions. [2019-10-07 07:58:18,709 INFO L78 Accepts]: Start accepts. Automaton has 10046 states and 13227 transitions. Word has length 296 [2019-10-07 07:58:18,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:18,714 INFO L462 AbstractCegarLoop]: Abstraction has 10046 states and 13227 transitions. [2019-10-07 07:58:18,714 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:58:18,714 INFO L276 IsEmpty]: Start isEmpty. Operand 10046 states and 13227 transitions. [2019-10-07 07:58:18,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2019-10-07 07:58:18,724 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:18,725 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:18,725 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 07:58:18,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:18,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1313731048, now seen corresponding path program 1 times [2019-10-07 07:58:18,726 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:18,726 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:18,726 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:18,727 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:18,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:19,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2835 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked. [2019-10-07 07:58:19,433 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:19,433 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:19,433 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:19,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:19,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:19,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:19,437 INFO L87 Difference]: Start difference. First operand 10046 states and 13227 transitions. Second operand 5 states. [2019-10-07 07:58:19,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:19,927 INFO L93 Difference]: Finished difference Result 10052 states and 13232 transitions. [2019-10-07 07:58:19,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:19,928 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 339 [2019-10-07 07:58:19,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:20,015 INFO L225 Difference]: With dead ends: 10052 [2019-10-07 07:58:20,018 INFO L226 Difference]: Without dead ends: 10050 [2019-10-07 07:58:20,026 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 07:58:20,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10050 states. [2019-10-07 07:58:20,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10050 to 10050. [2019-10-07 07:58:20,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10050 states. [2019-10-07 07:58:20,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10050 states to 10050 states and 13230 transitions. [2019-10-07 07:58:20,602 INFO L78 Accepts]: Start accepts. Automaton has 10050 states and 13230 transitions. Word has length 339 [2019-10-07 07:58:20,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:20,607 INFO L462 AbstractCegarLoop]: Abstraction has 10050 states and 13230 transitions. [2019-10-07 07:58:20,608 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:20,608 INFO L276 IsEmpty]: Start isEmpty. Operand 10050 states and 13230 transitions. [2019-10-07 07:58:20,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-10-07 07:58:20,624 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:20,624 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:20,625 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 07:58:20,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:20,625 INFO L82 PathProgramCache]: Analyzing trace with hash -2050603443, now seen corresponding path program 1 times [2019-10-07 07:58:20,626 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:20,626 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:20,626 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:20,626 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:20,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:21,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2837 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked. [2019-10-07 07:58:21,637 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:21,637 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:21,637 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:21,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:21,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:21,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:21,638 INFO L87 Difference]: Start difference. First operand 10050 states and 13230 transitions. Second operand 5 states. [2019-10-07 07:58:22,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:22,086 INFO L93 Difference]: Finished difference Result 10056 states and 13235 transitions. [2019-10-07 07:58:22,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:22,087 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 344 [2019-10-07 07:58:22,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:22,149 INFO L225 Difference]: With dead ends: 10056 [2019-10-07 07:58:22,150 INFO L226 Difference]: Without dead ends: 10054 [2019-10-07 07:58:22,159 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 07:58:22,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10054 states. [2019-10-07 07:58:22,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10054 to 10054. [2019-10-07 07:58:22,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10054 states. [2019-10-07 07:58:22,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10054 states to 10054 states and 13233 transitions. [2019-10-07 07:58:22,903 INFO L78 Accepts]: Start accepts. Automaton has 10054 states and 13233 transitions. Word has length 344 [2019-10-07 07:58:22,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:22,904 INFO L462 AbstractCegarLoop]: Abstraction has 10054 states and 13233 transitions. [2019-10-07 07:58:22,904 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:22,905 INFO L276 IsEmpty]: Start isEmpty. Operand 10054 states and 13233 transitions. [2019-10-07 07:58:22,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2019-10-07 07:58:22,915 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:22,915 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:22,916 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 07:58:22,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:22,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1020854472, now seen corresponding path program 1 times [2019-10-07 07:58:22,916 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:22,917 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:22,917 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:22,917 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:22,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2843 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2828 trivial. 0 not checked. [2019-10-07 07:58:23,478 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:23,478 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:23,478 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:23,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:23,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:23,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:23,481 INFO L87 Difference]: Start difference. First operand 10054 states and 13233 transitions. Second operand 5 states. [2019-10-07 07:58:24,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:24,166 INFO L93 Difference]: Finished difference Result 10060 states and 13238 transitions. [2019-10-07 07:58:24,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:24,167 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 349 [2019-10-07 07:58:24,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:24,211 INFO L225 Difference]: With dead ends: 10060 [2019-10-07 07:58:24,211 INFO L226 Difference]: Without dead ends: 10058 [2019-10-07 07:58:24,218 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 07:58:24,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10058 states. [2019-10-07 07:58:24,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10058 to 10058. [2019-10-07 07:58:24,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10058 states. [2019-10-07 07:58:24,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10058 states to 10058 states and 13236 transitions. [2019-10-07 07:58:24,942 INFO L78 Accepts]: Start accepts. Automaton has 10058 states and 13236 transitions. Word has length 349 [2019-10-07 07:58:24,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:24,943 INFO L462 AbstractCegarLoop]: Abstraction has 10058 states and 13236 transitions. [2019-10-07 07:58:24,943 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:24,943 INFO L276 IsEmpty]: Start isEmpty. Operand 10058 states and 13236 transitions. [2019-10-07 07:58:24,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-10-07 07:58:24,956 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:24,957 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:24,958 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 07:58:24,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:24,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1483453165, now seen corresponding path program 1 times [2019-10-07 07:58:24,959 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:24,959 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:24,959 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:24,959 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:24,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:25,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2853 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2836 trivial. 0 not checked. [2019-10-07 07:58:25,558 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:25,558 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:25,559 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:25,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:25,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:25,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:25,560 INFO L87 Difference]: Start difference. First operand 10058 states and 13236 transitions. Second operand 5 states. [2019-10-07 07:58:26,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:26,171 INFO L93 Difference]: Finished difference Result 12192 states and 16054 transitions. [2019-10-07 07:58:26,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:26,171 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 354 [2019-10-07 07:58:26,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:26,233 INFO L225 Difference]: With dead ends: 12192 [2019-10-07 07:58:26,233 INFO L226 Difference]: Without dead ends: 12190 [2019-10-07 07:58:26,243 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 07:58:26,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12190 states. [2019-10-07 07:58:27,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12190 to 12180. [2019-10-07 07:58:27,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12180 states. [2019-10-07 07:58:27,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12180 states to 12180 states and 16044 transitions. [2019-10-07 07:58:27,170 INFO L78 Accepts]: Start accepts. Automaton has 12180 states and 16044 transitions. Word has length 354 [2019-10-07 07:58:27,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:27,171 INFO L462 AbstractCegarLoop]: Abstraction has 12180 states and 16044 transitions. [2019-10-07 07:58:27,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:27,171 INFO L276 IsEmpty]: Start isEmpty. Operand 12180 states and 16044 transitions. [2019-10-07 07:58:27,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-10-07 07:58:27,180 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:27,180 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:27,181 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 07:58:27,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:27,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1510430808, now seen corresponding path program 1 times [2019-10-07 07:58:27,181 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:27,182 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:27,182 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:27,182 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:27,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:27,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2867 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2848 trivial. 0 not checked. [2019-10-07 07:58:27,781 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:27,781 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:27,781 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:27,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:27,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:27,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:27,783 INFO L87 Difference]: Start difference. First operand 12180 states and 16044 transitions. Second operand 5 states. [2019-10-07 07:58:28,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:28,311 INFO L93 Difference]: Finished difference Result 12245 states and 16098 transitions. [2019-10-07 07:58:28,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:28,311 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 359 [2019-10-07 07:58:28,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:28,370 INFO L225 Difference]: With dead ends: 12245 [2019-10-07 07:58:28,370 INFO L226 Difference]: Without dead ends: 12243 [2019-10-07 07:58:28,384 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 07:58:28,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12243 states. [2019-10-07 07:58:28,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12243 to 12241. [2019-10-07 07:58:28,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12241 states. [2019-10-07 07:58:29,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12241 states to 12241 states and 16095 transitions. [2019-10-07 07:58:29,042 INFO L78 Accepts]: Start accepts. Automaton has 12241 states and 16095 transitions. Word has length 359 [2019-10-07 07:58:29,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:29,043 INFO L462 AbstractCegarLoop]: Abstraction has 12241 states and 16095 transitions. [2019-10-07 07:58:29,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:29,043 INFO L276 IsEmpty]: Start isEmpty. Operand 12241 states and 16095 transitions. [2019-10-07 07:58:29,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2019-10-07 07:58:29,053 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:29,053 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:29,054 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 07:58:29,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:29,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1919187059, now seen corresponding path program 1 times [2019-10-07 07:58:29,054 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:29,054 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:29,055 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:29,055 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:29,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:29,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2885 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2864 trivial. 0 not checked. [2019-10-07 07:58:29,944 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:29,944 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:29,944 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:29,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:29,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:29,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:29,946 INFO L87 Difference]: Start difference. First operand 12241 states and 16095 transitions. Second operand 5 states. [2019-10-07 07:58:30,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:30,421 INFO L93 Difference]: Finished difference Result 12247 states and 16100 transitions. [2019-10-07 07:58:30,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:30,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 364 [2019-10-07 07:58:30,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:30,478 INFO L225 Difference]: With dead ends: 12247 [2019-10-07 07:58:30,478 INFO L226 Difference]: Without dead ends: 12245 [2019-10-07 07:58:30,489 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 07:58:30,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12245 states. [2019-10-07 07:58:31,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12245 to 12245. [2019-10-07 07:58:31,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12245 states. [2019-10-07 07:58:31,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12245 states to 12245 states and 16098 transitions. [2019-10-07 07:58:31,110 INFO L78 Accepts]: Start accepts. Automaton has 12245 states and 16098 transitions. Word has length 364 [2019-10-07 07:58:31,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:31,111 INFO L462 AbstractCegarLoop]: Abstraction has 12245 states and 16098 transitions. [2019-10-07 07:58:31,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:31,112 INFO L276 IsEmpty]: Start isEmpty. Operand 12245 states and 16098 transitions. [2019-10-07 07:58:31,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2019-10-07 07:58:31,123 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:31,123 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 7, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:31,123 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 07:58:31,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:31,124 INFO L82 PathProgramCache]: Analyzing trace with hash 718202504, now seen corresponding path program 1 times [2019-10-07 07:58:31,124 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:31,124 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:31,124 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:31,125 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:31,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:31,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2907 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2884 trivial. 0 not checked. [2019-10-07 07:58:31,664 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:31,664 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:31,664 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:31,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:31,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:31,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:31,666 INFO L87 Difference]: Start difference. First operand 12245 states and 16098 transitions. Second operand 5 states. [2019-10-07 07:58:32,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:32,283 INFO L93 Difference]: Finished difference Result 12251 states and 16103 transitions. [2019-10-07 07:58:32,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:32,283 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 369 [2019-10-07 07:58:32,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:32,334 INFO L225 Difference]: With dead ends: 12251 [2019-10-07 07:58:32,334 INFO L226 Difference]: Without dead ends: 12249 [2019-10-07 07:58:32,341 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 07:58:32,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12249 states. [2019-10-07 07:58:32,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12249 to 12249. [2019-10-07 07:58:32,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12249 states. [2019-10-07 07:58:32,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12249 states to 12249 states and 16101 transitions. [2019-10-07 07:58:32,956 INFO L78 Accepts]: Start accepts. Automaton has 12249 states and 16101 transitions. Word has length 369 [2019-10-07 07:58:32,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:32,957 INFO L462 AbstractCegarLoop]: Abstraction has 12249 states and 16101 transitions. [2019-10-07 07:58:32,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:32,958 INFO L276 IsEmpty]: Start isEmpty. Operand 12249 states and 16101 transitions. [2019-10-07 07:58:32,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2019-10-07 07:58:32,970 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:32,970 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 8, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:32,970 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 07:58:32,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:32,971 INFO L82 PathProgramCache]: Analyzing trace with hash -378289107, now seen corresponding path program 1 times [2019-10-07 07:58:32,971 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:32,971 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:32,972 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:32,972 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:32,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:33,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2933 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 2908 trivial. 0 not checked. [2019-10-07 07:58:33,502 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:33,503 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:33,503 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:33,504 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:33,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:33,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:33,504 INFO L87 Difference]: Start difference. First operand 12249 states and 16101 transitions. Second operand 5 states. [2019-10-07 07:58:34,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:34,061 INFO L93 Difference]: Finished difference Result 12383 states and 16197 transitions. [2019-10-07 07:58:34,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:34,062 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 374 [2019-10-07 07:58:34,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:34,118 INFO L225 Difference]: With dead ends: 12383 [2019-10-07 07:58:34,118 INFO L226 Difference]: Without dead ends: 12381 [2019-10-07 07:58:34,125 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 07:58:34,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12381 states. [2019-10-07 07:58:34,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12381 to 12379. [2019-10-07 07:58:34,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12379 states. [2019-10-07 07:58:34,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12379 states to 12379 states and 16194 transitions. [2019-10-07 07:58:34,967 INFO L78 Accepts]: Start accepts. Automaton has 12379 states and 16194 transitions. Word has length 374 [2019-10-07 07:58:34,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:34,968 INFO L462 AbstractCegarLoop]: Abstraction has 12379 states and 16194 transitions. [2019-10-07 07:58:34,968 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:34,968 INFO L276 IsEmpty]: Start isEmpty. Operand 12379 states and 16194 transitions. [2019-10-07 07:58:34,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2019-10-07 07:58:34,981 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:34,981 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 9, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:34,982 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 07:58:34,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:34,982 INFO L82 PathProgramCache]: Analyzing trace with hash -369246872, now seen corresponding path program 1 times [2019-10-07 07:58:34,982 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:34,983 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:34,983 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:34,983 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:34,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2963 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2936 trivial. 0 not checked. [2019-10-07 07:58:35,481 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:35,481 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:35,481 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:35,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:35,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:35,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:35,482 INFO L87 Difference]: Start difference. First operand 12379 states and 16194 transitions. Second operand 5 states. [2019-10-07 07:58:36,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:36,017 INFO L93 Difference]: Finished difference Result 12385 states and 16199 transitions. [2019-10-07 07:58:36,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:36,018 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 379 [2019-10-07 07:58:36,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:36,066 INFO L225 Difference]: With dead ends: 12385 [2019-10-07 07:58:36,066 INFO L226 Difference]: Without dead ends: 12383 [2019-10-07 07:58:36,074 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 07:58:36,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12383 states. [2019-10-07 07:58:36,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12383 to 12383. [2019-10-07 07:58:36,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12383 states. [2019-10-07 07:58:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12383 states to 12383 states and 16197 transitions. [2019-10-07 07:58:36,832 INFO L78 Accepts]: Start accepts. Automaton has 12383 states and 16197 transitions. Word has length 379 [2019-10-07 07:58:36,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:36,833 INFO L462 AbstractCegarLoop]: Abstraction has 12383 states and 16197 transitions. [2019-10-07 07:58:36,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:36,833 INFO L276 IsEmpty]: Start isEmpty. Operand 12383 states and 16197 transitions. [2019-10-07 07:58:36,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2019-10-07 07:58:36,847 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:36,847 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:36,848 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 07:58:36,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:36,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1432965428, now seen corresponding path program 1 times [2019-10-07 07:58:36,848 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:36,848 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:36,849 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:36,849 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:36,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:37,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2848 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2840 trivial. 0 not checked. [2019-10-07 07:58:37,497 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:37,498 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:37,498 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:58:37,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:58:37,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:58:37,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:58:37,500 INFO L87 Difference]: Start difference. First operand 12383 states and 16197 transitions. Second operand 3 states. [2019-10-07 07:58:41,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:41,184 INFO L93 Difference]: Finished difference Result 28620 states and 37440 transitions. [2019-10-07 07:58:41,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:58:41,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 385 [2019-10-07 07:58:41,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:41,260 INFO L225 Difference]: With dead ends: 28620 [2019-10-07 07:58:41,260 INFO L226 Difference]: Without dead ends: 16749 [2019-10-07 07:58:41,309 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 07:58:41,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16749 states. [2019-10-07 07:58:42,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16749 to 16676. [2019-10-07 07:58:42,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16676 states. [2019-10-07 07:58:42,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16676 states to 16676 states and 21794 transitions. [2019-10-07 07:58:42,065 INFO L78 Accepts]: Start accepts. Automaton has 16676 states and 21794 transitions. Word has length 385 [2019-10-07 07:58:42,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:42,066 INFO L462 AbstractCegarLoop]: Abstraction has 16676 states and 21794 transitions. [2019-10-07 07:58:42,066 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:58:42,066 INFO L276 IsEmpty]: Start isEmpty. Operand 16676 states and 21794 transitions. [2019-10-07 07:58:42,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2019-10-07 07:58:42,075 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:42,076 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:42,076 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 07:58:42,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:42,077 INFO L82 PathProgramCache]: Analyzing trace with hash 380385535, now seen corresponding path program 1 times [2019-10-07 07:58:42,077 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:42,077 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:42,077 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:42,077 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:42,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:42,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2848 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2840 trivial. 0 not checked. [2019-10-07 07:58:42,762 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:42,762 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:42,762 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:58:42,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:58:42,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:58:42,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:58:42,764 INFO L87 Difference]: Start difference. First operand 16676 states and 21794 transitions. Second operand 3 states. [2019-10-07 07:58:46,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:46,545 INFO L93 Difference]: Finished difference Result 37786 states and 49348 transitions. [2019-10-07 07:58:46,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:58:46,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 386 [2019-10-07 07:58:46,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:46,666 INFO L225 Difference]: With dead ends: 37786 [2019-10-07 07:58:46,666 INFO L226 Difference]: Without dead ends: 21622 [2019-10-07 07:58:46,721 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 07:58:46,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21622 states. [2019-10-07 07:58:47,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21622 to 21543. [2019-10-07 07:58:47,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21543 states. [2019-10-07 07:58:47,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21543 states to 21543 states and 28093 transitions. [2019-10-07 07:58:47,796 INFO L78 Accepts]: Start accepts. Automaton has 21543 states and 28093 transitions. Word has length 386 [2019-10-07 07:58:47,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:47,797 INFO L462 AbstractCegarLoop]: Abstraction has 21543 states and 28093 transitions. [2019-10-07 07:58:47,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:58:47,798 INFO L276 IsEmpty]: Start isEmpty. Operand 21543 states and 28093 transitions. [2019-10-07 07:58:47,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2019-10-07 07:58:47,807 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:47,807 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 10, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:47,807 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 07:58:47,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:47,808 INFO L82 PathProgramCache]: Analyzing trace with hash 580020429, now seen corresponding path program 1 times [2019-10-07 07:58:47,808 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:47,808 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:47,809 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:47,809 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:47,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:49,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2997 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 2968 trivial. 0 not checked. [2019-10-07 07:58:49,692 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:49,692 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:49,693 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:49,694 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:49,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:49,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:49,695 INFO L87 Difference]: Start difference. First operand 21543 states and 28093 transitions. Second operand 5 states. [2019-10-07 07:58:50,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:50,459 INFO L93 Difference]: Finished difference Result 21549 states and 28098 transitions. [2019-10-07 07:58:50,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:50,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 384 [2019-10-07 07:58:50,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:50,561 INFO L225 Difference]: With dead ends: 21549 [2019-10-07 07:58:50,561 INFO L226 Difference]: Without dead ends: 21547 [2019-10-07 07:58:50,578 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 07:58:50,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21547 states. [2019-10-07 07:58:51,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21547 to 21547. [2019-10-07 07:58:51,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21547 states. [2019-10-07 07:58:51,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21547 states to 21547 states and 28096 transitions. [2019-10-07 07:58:51,996 INFO L78 Accepts]: Start accepts. Automaton has 21547 states and 28096 transitions. Word has length 384 [2019-10-07 07:58:51,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:51,997 INFO L462 AbstractCegarLoop]: Abstraction has 21547 states and 28096 transitions. [2019-10-07 07:58:51,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:51,998 INFO L276 IsEmpty]: Start isEmpty. Operand 21547 states and 28096 transitions. [2019-10-07 07:58:52,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2019-10-07 07:58:52,009 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:52,010 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 11, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:52,011 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 07:58:52,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:52,011 INFO L82 PathProgramCache]: Analyzing trace with hash 2002952071, now seen corresponding path program 1 times [2019-10-07 07:58:52,011 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:52,012 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:52,012 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:52,012 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:52,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:52,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3037 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3015 trivial. 0 not checked. [2019-10-07 07:58:52,699 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:52,699 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:52,700 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:52,700 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:52,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:52,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:52,701 INFO L87 Difference]: Start difference. First operand 21547 states and 28096 transitions. Second operand 5 states. [2019-10-07 07:58:53,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:53,736 INFO L93 Difference]: Finished difference Result 21553 states and 28101 transitions. [2019-10-07 07:58:53,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:53,737 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 420 [2019-10-07 07:58:53,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:53,824 INFO L225 Difference]: With dead ends: 21553 [2019-10-07 07:58:53,825 INFO L226 Difference]: Without dead ends: 21551 [2019-10-07 07:58:53,838 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 07:58:53,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21551 states. [2019-10-07 07:58:54,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21551 to 21551. [2019-10-07 07:58:54,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21551 states. [2019-10-07 07:58:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21551 states to 21551 states and 28099 transitions. [2019-10-07 07:58:54,766 INFO L78 Accepts]: Start accepts. Automaton has 21551 states and 28099 transitions. Word has length 420 [2019-10-07 07:58:54,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:54,767 INFO L462 AbstractCegarLoop]: Abstraction has 21551 states and 28099 transitions. [2019-10-07 07:58:54,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:54,767 INFO L276 IsEmpty]: Start isEmpty. Operand 21551 states and 28099 transitions. [2019-10-07 07:58:54,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2019-10-07 07:58:54,776 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:54,777 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 12, 11, 11, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:54,777 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 07:58:54,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:54,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1882987936, now seen corresponding path program 1 times [2019-10-07 07:58:54,778 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:54,778 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:54,778 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:54,778 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:54,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:55,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3055 trivial. 0 not checked. [2019-10-07 07:58:55,372 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:55,372 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:55,372 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:55,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:55,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:55,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:55,375 INFO L87 Difference]: Start difference. First operand 21551 states and 28099 transitions. Second operand 5 states. [2019-10-07 07:58:56,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:56,405 INFO L93 Difference]: Finished difference Result 21557 states and 28104 transitions. [2019-10-07 07:58:56,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:56,407 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 426 [2019-10-07 07:58:56,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:56,488 INFO L225 Difference]: With dead ends: 21557 [2019-10-07 07:58:56,488 INFO L226 Difference]: Without dead ends: 21555 [2019-10-07 07:58:56,501 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 07:58:56,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21555 states. [2019-10-07 07:58:57,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21555 to 21555. [2019-10-07 07:58:57,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21555 states. [2019-10-07 07:58:57,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21555 states to 21555 states and 28102 transitions. [2019-10-07 07:58:57,454 INFO L78 Accepts]: Start accepts. Automaton has 21555 states and 28102 transitions. Word has length 426 [2019-10-07 07:58:57,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:57,455 INFO L462 AbstractCegarLoop]: Abstraction has 21555 states and 28102 transitions. [2019-10-07 07:58:57,455 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:57,455 INFO L276 IsEmpty]: Start isEmpty. Operand 21555 states and 28102 transitions. [2019-10-07 07:58:57,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2019-10-07 07:58:57,465 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:57,466 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 13, 12, 12, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:57,466 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 07:58:57,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:57,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1049355797, now seen corresponding path program 1 times [2019-10-07 07:58:57,467 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:57,467 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:57,467 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:57,467 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:57,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:58:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3126 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3099 trivial. 0 not checked. [2019-10-07 07:58:57,950 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:57,950 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:58:57,950 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:58:57,951 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:58:57,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:58:57,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:58:57,958 INFO L87 Difference]: Start difference. First operand 21555 states and 28102 transitions. Second operand 5 states. [2019-10-07 07:58:58,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:58:58,756 INFO L93 Difference]: Finished difference Result 21561 states and 28107 transitions. [2019-10-07 07:58:58,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:58:58,757 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 431 [2019-10-07 07:58:58,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:58:58,816 INFO L225 Difference]: With dead ends: 21561 [2019-10-07 07:58:58,816 INFO L226 Difference]: Without dead ends: 21559 [2019-10-07 07:58:58,825 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 07:58:58,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21559 states. [2019-10-07 07:58:59,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21559 to 21559. [2019-10-07 07:58:59,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21559 states. [2019-10-07 07:58:59,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21559 states to 21559 states and 28105 transitions. [2019-10-07 07:58:59,682 INFO L78 Accepts]: Start accepts. Automaton has 21559 states and 28105 transitions. Word has length 431 [2019-10-07 07:58:59,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:58:59,683 INFO L462 AbstractCegarLoop]: Abstraction has 21559 states and 28105 transitions. [2019-10-07 07:58:59,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:58:59,683 INFO L276 IsEmpty]: Start isEmpty. Operand 21559 states and 28105 transitions. [2019-10-07 07:58:59,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2019-10-07 07:58:59,692 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:58:59,692 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 6, 4, 4, 4, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:58:59,692 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 07:58:59,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:58:59,693 INFO L82 PathProgramCache]: Analyzing trace with hash 311175006, now seen corresponding path program 1 times [2019-10-07 07:58:59,693 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:58:59,693 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:58:59,693 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:59,693 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:58:59,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:58:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:00,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2884 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2879 trivial. 0 not checked. [2019-10-07 07:59:00,183 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:00,183 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 07:59:00,183 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 07:59:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:03,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 7141 conjuncts, 40 conjunts are in the unsatisfiable core [2019-10-07 07:59:03,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 07:59:03,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2884 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 2869 trivial. 0 not checked. [2019-10-07 07:59:03,806 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 07:59:04,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2884 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2879 trivial. 0 not checked. [2019-10-07 07:59:04,676 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 07:59:04,676 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 9 [2019-10-07 07:59:04,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 07:59:04,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 07:59:04,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 07:59:04,678 INFO L87 Difference]: Start difference. First operand 21559 states and 28105 transitions. Second operand 6 states. [2019-10-07 07:59:14,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:14,705 INFO L93 Difference]: Finished difference Result 21595 states and 28138 transitions. [2019-10-07 07:59:14,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 07:59:14,705 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 405 [2019-10-07 07:59:14,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:14,832 INFO L225 Difference]: With dead ends: 21595 [2019-10-07 07:59:14,832 INFO L226 Difference]: Without dead ends: 21593 [2019-10-07 07:59:14,842 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 827 GetRequests, 816 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 07:59:14,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21593 states. [2019-10-07 07:59:16,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21593 to 21579. [2019-10-07 07:59:16,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21579 states. [2019-10-07 07:59:16,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21579 states to 21579 states and 28120 transitions. [2019-10-07 07:59:16,707 INFO L78 Accepts]: Start accepts. Automaton has 21579 states and 28120 transitions. Word has length 405 [2019-10-07 07:59:16,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:16,708 INFO L462 AbstractCegarLoop]: Abstraction has 21579 states and 28120 transitions. [2019-10-07 07:59:16,708 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 07:59:16,708 INFO L276 IsEmpty]: Start isEmpty. Operand 21579 states and 28120 transitions. [2019-10-07 07:59:16,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-10-07 07:59:16,733 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:16,733 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 14, 13, 13, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:59:16,948 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:59:16,949 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 07:59:16,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:16,950 INFO L82 PathProgramCache]: Analyzing trace with hash 60484109, now seen corresponding path program 1 times [2019-10-07 07:59:16,950 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:16,950 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:16,950 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:16,950 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:16,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3173 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 3136 trivial. 0 not checked. [2019-10-07 07:59:17,745 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:17,745 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:17,745 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:17,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:17,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:17,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:17,747 INFO L87 Difference]: Start difference. First operand 21579 states and 28120 transitions. Second operand 5 states. [2019-10-07 07:59:19,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:19,239 INFO L93 Difference]: Finished difference Result 21585 states and 28125 transitions. [2019-10-07 07:59:19,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:59:19,240 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 404 [2019-10-07 07:59:19,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:19,349 INFO L225 Difference]: With dead ends: 21585 [2019-10-07 07:59:19,350 INFO L226 Difference]: Without dead ends: 21583 [2019-10-07 07:59:19,365 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 07:59:19,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21583 states. [2019-10-07 07:59:20,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21583 to 21583. [2019-10-07 07:59:20,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21583 states. [2019-10-07 07:59:20,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21583 states to 21583 states and 28123 transitions. [2019-10-07 07:59:20,789 INFO L78 Accepts]: Start accepts. Automaton has 21583 states and 28123 transitions. Word has length 404 [2019-10-07 07:59:20,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:20,790 INFO L462 AbstractCegarLoop]: Abstraction has 21583 states and 28123 transitions. [2019-10-07 07:59:20,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:20,790 INFO L276 IsEmpty]: Start isEmpty. Operand 21583 states and 28123 transitions. [2019-10-07 07:59:20,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2019-10-07 07:59:20,804 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:20,805 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 15, 14, 14, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:59:20,805 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 07:59:20,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:20,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1301163512, now seen corresponding path program 1 times [2019-10-07 07:59:20,806 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:20,806 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:20,806 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:20,806 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:20,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:21,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3227 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 3188 trivial. 0 not checked. [2019-10-07 07:59:21,282 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:21,283 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:21,283 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:21,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:21,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:21,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:21,284 INFO L87 Difference]: Start difference. First operand 21583 states and 28123 transitions. Second operand 5 states. [2019-10-07 07:59:22,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:22,149 INFO L93 Difference]: Finished difference Result 21589 states and 28128 transitions. [2019-10-07 07:59:22,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:59:22,150 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 409 [2019-10-07 07:59:22,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:22,232 INFO L225 Difference]: With dead ends: 21589 [2019-10-07 07:59:22,232 INFO L226 Difference]: Without dead ends: 21587 [2019-10-07 07:59:22,246 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 07:59:22,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21587 states. [2019-10-07 07:59:23,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21587 to 21587. [2019-10-07 07:59:23,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21587 states. [2019-10-07 07:59:23,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21587 states to 21587 states and 28126 transitions. [2019-10-07 07:59:23,568 INFO L78 Accepts]: Start accepts. Automaton has 21587 states and 28126 transitions. Word has length 409 [2019-10-07 07:59:23,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:23,569 INFO L462 AbstractCegarLoop]: Abstraction has 21587 states and 28126 transitions. [2019-10-07 07:59:23,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 21587 states and 28126 transitions. [2019-10-07 07:59:23,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2019-10-07 07:59:23,579 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:23,580 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 16, 15, 15, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 07:59:23,580 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 07:59:23,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:23,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1254046035, now seen corresponding path program 1 times [2019-10-07 07:59:23,581 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:23,581 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:23,581 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:23,581 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:23,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:24,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3285 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3244 trivial. 0 not checked. [2019-10-07 07:59:24,014 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:24,014 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:24,014 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:24,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:24,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:24,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:24,016 INFO L87 Difference]: Start difference. First operand 21587 states and 28126 transitions. Second operand 5 states. [2019-10-07 07:59:24,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:24,787 INFO L93 Difference]: Finished difference Result 21593 states and 28131 transitions. [2019-10-07 07:59:24,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:59:24,787 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 414 [2019-10-07 07:59:24,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:24,871 INFO L225 Difference]: With dead ends: 21593 [2019-10-07 07:59:24,871 INFO L226 Difference]: Without dead ends: 21591 [2019-10-07 07:59:24,884 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 07:59:24,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21591 states. [2019-10-07 07:59:26,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21591 to 21591. [2019-10-07 07:59:26,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21591 states. [2019-10-07 07:59:26,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21591 states to 21591 states and 28129 transitions. [2019-10-07 07:59:26,357 INFO L78 Accepts]: Start accepts. Automaton has 21591 states and 28129 transitions. Word has length 414 [2019-10-07 07:59:26,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:26,358 INFO L462 AbstractCegarLoop]: Abstraction has 21591 states and 28129 transitions. [2019-10-07 07:59:26,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:26,358 INFO L276 IsEmpty]: Start isEmpty. Operand 21591 states and 28129 transitions. [2019-10-07 07:59:26,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2019-10-07 07:59:26,371 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:26,371 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 17, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:26,371 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 07:59:26,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:26,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1360036839, now seen corresponding path program 1 times [2019-10-07 07:59:26,372 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:26,372 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:26,372 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:26,372 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:26,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:26,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3349 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 3315 trivial. 0 not checked. [2019-10-07 07:59:26,800 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:26,801 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:26,801 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:26,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:26,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:26,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:26,802 INFO L87 Difference]: Start difference. First operand 21591 states and 28129 transitions. Second operand 5 states. [2019-10-07 07:59:27,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:27,582 INFO L93 Difference]: Finished difference Result 21597 states and 28134 transitions. [2019-10-07 07:59:27,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:59:27,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 450 [2019-10-07 07:59:27,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:27,636 INFO L225 Difference]: With dead ends: 21597 [2019-10-07 07:59:27,636 INFO L226 Difference]: Without dead ends: 21593 [2019-10-07 07:59:27,646 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 07:59:27,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21593 states. [2019-10-07 07:59:28,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21593 to 21593. [2019-10-07 07:59:28,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21593 states. [2019-10-07 07:59:28,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21593 states to 21593 states and 28130 transitions. [2019-10-07 07:59:28,585 INFO L78 Accepts]: Start accepts. Automaton has 21593 states and 28130 transitions. Word has length 450 [2019-10-07 07:59:28,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:28,586 INFO L462 AbstractCegarLoop]: Abstraction has 21593 states and 28130 transitions. [2019-10-07 07:59:28,586 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:28,586 INFO L276 IsEmpty]: Start isEmpty. Operand 21593 states and 28130 transitions. [2019-10-07 07:59:28,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2019-10-07 07:59:28,597 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:28,597 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 18, 17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:28,598 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 07:59:28,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:28,598 INFO L82 PathProgramCache]: Analyzing trace with hash 267098030, now seen corresponding path program 1 times [2019-10-07 07:59:28,598 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:28,598 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:28,598 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:28,598 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:28,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:29,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3415 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3379 trivial. 0 not checked. [2019-10-07 07:59:29,190 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:29,191 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:29,191 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:29,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:29,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:29,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:29,192 INFO L87 Difference]: Start difference. First operand 21593 states and 28130 transitions. Second operand 5 states. [2019-10-07 07:59:29,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:29,971 INFO L93 Difference]: Finished difference Result 21593 states and 28130 transitions. [2019-10-07 07:59:29,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 07:59:29,971 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 455 [2019-10-07 07:59:29,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:30,023 INFO L225 Difference]: With dead ends: 21593 [2019-10-07 07:59:30,023 INFO L226 Difference]: Without dead ends: 21149 [2019-10-07 07:59:30,037 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 07:59:30,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21149 states. [2019-10-07 07:59:31,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21149 to 21149. [2019-10-07 07:59:31,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21149 states. [2019-10-07 07:59:31,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21149 states to 21149 states and 27606 transitions. [2019-10-07 07:59:31,115 INFO L78 Accepts]: Start accepts. Automaton has 21149 states and 27606 transitions. Word has length 455 [2019-10-07 07:59:31,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:31,116 INFO L462 AbstractCegarLoop]: Abstraction has 21149 states and 27606 transitions. [2019-10-07 07:59:31,116 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:31,116 INFO L276 IsEmpty]: Start isEmpty. Operand 21149 states and 27606 transitions. [2019-10-07 07:59:31,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-10-07 07:59:31,125 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:31,126 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 6, 4, 4, 4, 4, 4, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:31,126 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:59:31,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:31,126 INFO L82 PathProgramCache]: Analyzing trace with hash 2034427388, now seen corresponding path program 1 times [2019-10-07 07:59:31,126 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:31,126 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:31,127 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:31,127 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:31,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2893 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2893 trivial. 0 not checked. [2019-10-07 07:59:32,670 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:32,670 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:32,670 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 07:59:32,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 07:59:32,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 07:59:32,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 07:59:32,672 INFO L87 Difference]: Start difference. First operand 21149 states and 27606 transitions. Second operand 3 states. [2019-10-07 07:59:33,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:33,557 INFO L93 Difference]: Finished difference Result 41841 states and 55178 transitions. [2019-10-07 07:59:33,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 07:59:33,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 430 [2019-10-07 07:59:33,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:33,639 INFO L225 Difference]: With dead ends: 41841 [2019-10-07 07:59:33,639 INFO L226 Difference]: Without dead ends: 21204 [2019-10-07 07:59:33,710 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 07:59:33,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21204 states. [2019-10-07 07:59:35,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21204 to 21154. [2019-10-07 07:59:35,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21154 states. [2019-10-07 07:59:35,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21154 states to 21154 states and 27611 transitions. [2019-10-07 07:59:35,596 INFO L78 Accepts]: Start accepts. Automaton has 21154 states and 27611 transitions. Word has length 430 [2019-10-07 07:59:35,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:35,597 INFO L462 AbstractCegarLoop]: Abstraction has 21154 states and 27611 transitions. [2019-10-07 07:59:35,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 07:59:35,597 INFO L276 IsEmpty]: Start isEmpty. Operand 21154 states and 27611 transitions. [2019-10-07 07:59:35,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2019-10-07 07:59:35,612 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:35,612 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 6, 4, 4, 4, 4, 4, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:35,613 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:59:35,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:35,613 INFO L82 PathProgramCache]: Analyzing trace with hash -651044229, now seen corresponding path program 1 times [2019-10-07 07:59:35,613 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:35,613 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:35,614 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:35,614 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:35,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:36,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2894 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2894 trivial. 0 not checked. [2019-10-07 07:59:36,252 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:36,252 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:36,252 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:36,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:36,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:36,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:36,253 INFO L87 Difference]: Start difference. First operand 21154 states and 27611 transitions. Second operand 5 states. [2019-10-07 07:59:40,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:40,081 INFO L93 Difference]: Finished difference Result 21170 states and 27624 transitions. [2019-10-07 07:59:40,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:59:40,082 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 436 [2019-10-07 07:59:40,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:40,150 INFO L225 Difference]: With dead ends: 21170 [2019-10-07 07:59:40,150 INFO L226 Difference]: Without dead ends: 21168 [2019-10-07 07:59:40,160 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-07 07:59:40,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21168 states. [2019-10-07 07:59:41,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21168 to 21154. [2019-10-07 07:59:41,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21154 states. [2019-10-07 07:59:41,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21154 states to 21154 states and 27606 transitions. [2019-10-07 07:59:41,116 INFO L78 Accepts]: Start accepts. Automaton has 21154 states and 27606 transitions. Word has length 436 [2019-10-07 07:59:41,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:41,116 INFO L462 AbstractCegarLoop]: Abstraction has 21154 states and 27606 transitions. [2019-10-07 07:59:41,116 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:41,116 INFO L276 IsEmpty]: Start isEmpty. Operand 21154 states and 27606 transitions. [2019-10-07 07:59:41,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2019-10-07 07:59:41,130 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:41,130 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 7, 4, 4, 4, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:41,131 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:59:41,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:41,131 INFO L82 PathProgramCache]: Analyzing trace with hash -680892891, now seen corresponding path program 1 times [2019-10-07 07:59:41,131 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:41,131 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:41,131 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:41,131 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:41,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:41,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2896 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2891 trivial. 0 not checked. [2019-10-07 07:59:41,785 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:41,785 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 07:59:41,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:59:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:45,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 7293 conjuncts, 44 conjunts are in the unsatisfiable core [2019-10-07 07:59:45,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 07:59:45,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2896 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 2879 trivial. 0 not checked. [2019-10-07 07:59:45,303 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 07:59:46,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2896 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2891 trivial. 0 not checked. [2019-10-07 07:59:46,191 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 07:59:46,192 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 9 [2019-10-07 07:59:46,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 07:59:46,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 07:59:46,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 07:59:46,193 INFO L87 Difference]: Start difference. First operand 21154 states and 27606 transitions. Second operand 6 states. [2019-10-07 07:59:52,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:52,113 INFO L93 Difference]: Finished difference Result 21198 states and 27648 transitions. [2019-10-07 07:59:52,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 07:59:52,114 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 439 [2019-10-07 07:59:52,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:52,185 INFO L225 Difference]: With dead ends: 21198 [2019-10-07 07:59:52,185 INFO L226 Difference]: Without dead ends: 21196 [2019-10-07 07:59:52,196 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 895 GetRequests, 885 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-10-07 07:59:52,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21196 states. [2019-10-07 07:59:53,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21196 to 21194. [2019-10-07 07:59:53,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21194 states. [2019-10-07 07:59:53,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21194 states to 21194 states and 27636 transitions. [2019-10-07 07:59:53,186 INFO L78 Accepts]: Start accepts. Automaton has 21194 states and 27636 transitions. Word has length 439 [2019-10-07 07:59:53,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:53,186 INFO L462 AbstractCegarLoop]: Abstraction has 21194 states and 27636 transitions. [2019-10-07 07:59:53,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 07:59:53,187 INFO L276 IsEmpty]: Start isEmpty. Operand 21194 states and 27636 transitions. [2019-10-07 07:59:53,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2019-10-07 07:59:53,210 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:53,211 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:53,424 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 07:59:53,425 INFO L410 AbstractCegarLoop]: === Iteration 28 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:59:53,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:53,426 INFO L82 PathProgramCache]: Analyzing trace with hash -270213772, now seen corresponding path program 1 times [2019-10-07 07:59:53,426 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:53,427 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:53,428 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:53,428 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:53,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 07:59:53,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2936 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2923 trivial. 0 not checked. [2019-10-07 07:59:53,940 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:53,940 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 07:59:53,941 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 07:59:53,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 07:59:53,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 07:59:53,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:53,942 INFO L87 Difference]: Start difference. First operand 21194 states and 27636 transitions. Second operand 5 states. [2019-10-07 07:59:56,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 07:59:56,022 INFO L93 Difference]: Finished difference Result 37811 states and 49513 transitions. [2019-10-07 07:59:56,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 07:59:56,022 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 484 [2019-10-07 07:59:56,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 07:59:56,066 INFO L225 Difference]: With dead ends: 37811 [2019-10-07 07:59:56,066 INFO L226 Difference]: Without dead ends: 17129 [2019-10-07 07:59:56,107 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 07:59:56,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17129 states. [2019-10-07 07:59:56,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17129 to 17129. [2019-10-07 07:59:56,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17129 states. [2019-10-07 07:59:56,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17129 states to 17129 states and 22156 transitions. [2019-10-07 07:59:56,858 INFO L78 Accepts]: Start accepts. Automaton has 17129 states and 22156 transitions. Word has length 484 [2019-10-07 07:59:56,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 07:59:56,859 INFO L462 AbstractCegarLoop]: Abstraction has 17129 states and 22156 transitions. [2019-10-07 07:59:56,859 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 07:59:56,859 INFO L276 IsEmpty]: Start isEmpty. Operand 17129 states and 22156 transitions. [2019-10-07 07:59:56,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2019-10-07 07:59:56,888 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 07:59:56,889 INFO L385 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 7, 4, 4, 4, 4, 4, 4, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:56,889 INFO L410 AbstractCegarLoop]: === Iteration 29 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 07:59:56,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 07:59:56,890 INFO L82 PathProgramCache]: Analyzing trace with hash 460171768, now seen corresponding path program 1 times [2019-10-07 07:59:56,890 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 07:59:56,890 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 07:59:56,890 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:56,890 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 07:59:56,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 07:59:57,022 ERROR L261 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-07 07:59:57,023 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Benchmark is only available after the trace check is finished. at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.getStatistics(TraceCheck.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheck.getStatistics(InterpolatingTraceCheck.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.aggregateStatistics(IpTcStrategyModuleTraceCheck.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:153) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-07 07:59:57,031 INFO L168 Benchmark]: Toolchain (without parser) took 154259.69 ms. Allocated memory was 135.8 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 79.3 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-10-07 07:59:57,032 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 07:59:57,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7248.51 ms. Allocated memory was 135.8 MB in the beginning and 364.4 MB in the end (delta: 228.6 MB). Free memory was 79.1 MB in the beginning and 259.4 MB in the end (delta: -180.3 MB). Peak memory consumption was 253.8 MB. Max. memory is 7.1 GB. [2019-10-07 07:59:57,035 INFO L168 Benchmark]: Boogie Preprocessor took 523.87 ms. Allocated memory is still 364.4 MB. Free memory was 259.4 MB in the beginning and 191.7 MB in the end (delta: 67.7 MB). Peak memory consumption was 67.7 MB. Max. memory is 7.1 GB. [2019-10-07 07:59:57,040 INFO L168 Benchmark]: RCFGBuilder took 28988.06 ms. Allocated memory was 364.4 MB in the beginning and 900.7 MB in the end (delta: 536.3 MB). Free memory was 191.7 MB in the beginning and 132.2 MB in the end (delta: 59.6 MB). Peak memory consumption was 614.6 MB. Max. memory is 7.1 GB. [2019-10-07 07:59:57,041 INFO L168 Benchmark]: TraceAbstraction took 117493.47 ms. Allocated memory was 900.7 MB in the beginning and 3.1 GB in the end (delta: 2.2 GB). Free memory was 132.2 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 696.1 MB. Max. memory is 7.1 GB. [2019-10-07 07:59:57,052 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 7248.51 ms. Allocated memory was 135.8 MB in the beginning and 364.4 MB in the end (delta: 228.6 MB). Free memory was 79.1 MB in the beginning and 259.4 MB in the end (delta: -180.3 MB). Peak memory consumption was 253.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 523.87 ms. Allocated memory is still 364.4 MB. Free memory was 259.4 MB in the beginning and 191.7 MB in the end (delta: 67.7 MB). Peak memory consumption was 67.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 28988.06 ms. Allocated memory was 364.4 MB in the beginning and 900.7 MB in the end (delta: 536.3 MB). Free memory was 191.7 MB in the beginning and 132.2 MB in the end (delta: 59.6 MB). Peak memory consumption was 614.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 117493.47 ms. Allocated memory was 900.7 MB in the beginning and 3.1 GB in the end (delta: 2.2 GB). Free memory was 132.2 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 696.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Benchmark is only available after the trace check is finished. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Benchmark is only available after the trace check is finished.: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.getStatistics(TraceCheck.java:457) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...