java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--md--dm-snapshot.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:20:34,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:20:34,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:20:35,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:20:35,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:20:35,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:20:35,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:20:35,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:20:35,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:20:35,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:20:35,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:20:35,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:20:35,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:20:35,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:20:35,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:20:35,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:20:35,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:20:35,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:20:35,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:20:35,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:20:35,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:20:35,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:20:35,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:20:35,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:20:35,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:20:35,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:20:35,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:20:35,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:20:35,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:20:35,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:20:35,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:20:35,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:20:35,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:20:35,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:20:35,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:20:35,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:20:35,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:20:35,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:20:35,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:20:35,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:20:35,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:20:35,052 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:20:35,080 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:20:35,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:20:35,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:20:35,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:20:35,083 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:20:35,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:20:35,083 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:20:35,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:20:35,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:20:35,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:20:35,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:20:35,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:20:35,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:20:35,086 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:20:35,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:20:35,086 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:20:35,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:20:35,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:20:35,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:20:35,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:20:35,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:20:35,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:20:35,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:20:35,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:20:35,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:20:35,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:20:35,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:20:35,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:20:35,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:20:35,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:20:35,165 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:20:35,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:20:35,172 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:20:35,172 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:20:35,173 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--md--dm-snapshot.ko-main.cil.out.i [2019-09-20 13:20:35,240 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a772718/09036bdd438441aca300d57964782e1e/FLAG12518de5b [2019-09-20 13:20:36,105 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:20:36,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--md--dm-snapshot.ko-main.cil.out.i [2019-09-20 13:20:36,155 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a772718/09036bdd438441aca300d57964782e1e/FLAG12518de5b [2019-09-20 13:20:36,522 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a772718/09036bdd438441aca300d57964782e1e [2019-09-20 13:20:36,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:20:36,537 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:20:36,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:20:36,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:20:36,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:20:36,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:20:36" (1/1) ... [2019-09-20 13:20:36,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af55abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:36, skipping insertion in model container [2019-09-20 13:20:36,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:20:36" (1/1) ... [2019-09-20 13:20:36,557 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:20:36,755 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:20:39,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:20:39,616 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:20:40,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:20:40,987 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:20:40,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:40 WrapperNode [2019-09-20 13:20:40,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:20:40,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:20:40,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:20:40,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:20:41,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:40" (1/1) ... [2019-09-20 13:20:41,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:40" (1/1) ... [2019-09-20 13:20:41,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:40" (1/1) ... [2019-09-20 13:20:41,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:40" (1/1) ... [2019-09-20 13:20:41,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:40" (1/1) ... [2019-09-20 13:20:41,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:40" (1/1) ... [2019-09-20 13:20:41,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:40" (1/1) ... [2019-09-20 13:20:41,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:20:41,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:20:41,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:20:41,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:20:41,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:20:41,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:20:41,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:20:41,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-09-20 13:20:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-20 13:20:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:20:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-09-20 13:20:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 13:20:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~status_type_t~0~X~$Pointer$~X~int~TO~int [2019-09-20 13:20:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2019-09-20 13:20:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-20 13:20:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-09-20 13:20:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~chunk_t~0~X~~chunk_t~0~TO~int [2019-09-20 13:20:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-20 13:20:41,477 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-20 13:20:41,477 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2019-09-20 13:20:41,477 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-20 13:20:41,477 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-20 13:20:41,477 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-20 13:20:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure fls64 [2019-09-20 13:20:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2019-09-20 13:20:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2019-09-20 13:20:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-20 13:20:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-20 13:20:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-20 13:20:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-20 13:20:41,480 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_HLIST_NODE [2019-09-20 13:20:41,480 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_unhashed [2019-09-20 13:20:41,480 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_empty [2019-09-20 13:20:41,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __hlist_del [2019-09-20 13:20:41,480 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del [2019-09-20 13:20:41,480 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head [2019-09-20 13:20:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-20 13:20:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-20 13:20:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-20 13:20:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-20 13:20:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-20 13:20:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-20 13:20:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-09-20 13:20:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:20:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-20 13:20:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-20 13:20:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-20 13:20:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-20 13:20:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 13:20:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_on_bit [2019-09-20 13:20:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:20:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:20:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:20:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:20:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2019-09-20 13:20:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_slab_pool [2019-09-20 13:20:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2019-09-20 13:20:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2019-09-20 13:20:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_get [2019-09-20 13:20:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2019-09-20 13:20:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_per_bio_data [2019-09-20 13:20:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_get_target_request_nr [2019-09-20 13:20:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_chunk_number [2019-09-20 13:20:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count [2019-09-20 13:20:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count_inc [2019-09-20 13:20:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count_dec [2019-09-20 13:20:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2019-09-20 13:20:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure sector_to_chunk [2019-09-20 13:20:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snap_origin [2019-09-20 13:20:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snap_cow [2019-09-20 13:20:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_to_sector [2019-09-20 13:20:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_equal [2019-09-20 13:20:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tracked_chunk [2019-09-20 13:20:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure is_bio_tracked [2019-09-20 13:20:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure track_chunk [2019-09-20 13:20:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_tracking_chunk [2019-09-20 13:20:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __chunk_is_tracked [2019-09-20 13:20:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __check_for_conflicting_io [2019-09-20 13:20:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure init_origin_hash [2019-09-20 13:20:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_origin_hash [2019-09-20 13:20:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_hash [2019-09-20 13:20:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_origin [2019-09-20 13:20:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __insert_origin [2019-09-20 13:20:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_snapshots_sharing_cow [2019-09-20 13:20:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_exception_handover [2019-09-20 13:20:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __insert_snapshot [2019-09-20 13:20:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure register_snapshot [2019-09-20 13:20:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure reregister_snapshot [2019-09-20 13:20:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_snapshot [2019-09-20 13:20:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_init [2019-09-20 13:20:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_exit [2019-09-20 13:20:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure exception_hash [2019-09-20 13:20:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_remove_exception [2019-09-20 13:20:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_lookup_exception [2019-09-20 13:20:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_completed_exception [2019-09-20 13:20:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure free_completed_exception [2019-09-20 13:20:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pending_exception [2019-09-20 13:20:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pending_exception [2019-09-20 13:20:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_insert_exception [2019-09-20 13:20:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_add_exception [2019-09-20 13:20:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __minimum_chunk_size [2019-09-20 13:20:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_max_buckets [2019-09-20 13:20:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure init_hash_tables [2019-09-20 13:20:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_shutdown [2019-09-20 13:20:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_queued_bios_after_merge [2019-09-20 13:20:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __remove_single_exception_chunk [2019-09-20 13:20:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_single_exception_chunk [2019-09-20 13:20:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pending_exceptions_done_count [2019-09-20 13:20:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure increment_pending_exceptions_done_count [2019-09-20 13:20:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_next_chunks [2019-09-20 13:20:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_callback [2019-09-20 13:20:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure start_merge [2019-09-20 13:20:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_schedule [2019-09-20 13:20:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_merge [2019-09-20 13:20:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_ctr [2019-09-20 13:20:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_exceptions [2019-09-20 13:20:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __handover_exceptions [2019-09-20 13:20:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_dtr [2019-09-20 13:20:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_bios [2019-09-20 13:20:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_origin_bios [2019-09-20 13:20:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure error_bios [2019-09-20 13:20:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __invalidate_snapshot [2019-09-20 13:20:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pending_complete [2019-09-20 13:20:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_callback [2019-09-20 13:20:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_callback [2019-09-20 13:20:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure start_copy [2019-09-20 13:20:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure full_bio_end_io [2019-09-20 13:20:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure start_full_bio [2019-09-20 13:20:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_pending_exception [2019-09-20 13:20:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_pending_exception [2019-09-20 13:20:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_exception [2019-09-20 13:20:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_map [2019-09-20 13:20:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_map [2019-09-20 13:20:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_end_io [2019-09-20 13:20:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_presuspend [2019-09-20 13:20:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_preresume [2019-09-20 13:20:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_resume [2019-09-20 13:20:41,497 INFO L138 BoogieDeclarations]: Found implementation of procedure get_origin_minimum_chunksize [2019-09-20 13:20:41,497 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_resume [2019-09-20 13:20:41,497 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_status [2019-09-20 13:20:41,497 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_iterate_devices [2019-09-20 13:20:41,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __origin_write [2019-09-20 13:20:41,497 INFO L138 BoogieDeclarations]: Found implementation of procedure do_origin [2019-09-20 13:20:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_write_extent [2019-09-20 13:20:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_ctr [2019-09-20 13:20:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_dtr [2019-09-20 13:20:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_map [2019-09-20 13:20:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_resume [2019-09-20 13:20:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_status [2019-09-20 13:20:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_merge [2019-09-20 13:20:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_iterate_devices [2019-09-20 13:20:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snapshot_init [2019-09-20 13:20:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snapshot_exit [2019-09-20 13:20:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:20:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-09-20 13:20:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-09-20 13:20:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-09-20 13:20:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_4 [2019-09-20 13:20:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-09-20 13:20:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_6 [2019-09-20 13:20:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-09-20 13:20:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2019-09-20 13:20:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2019-09-20 13:20:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2019-09-20 13:20:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2019-09-20 13:20:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2019-09-20 13:20:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_exception_store_type [2019-09-20 13:20:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_exception_store_type [2019-09-20 13:20:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure get_type [2019-09-20 13:20:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure put_type [2019-09-20 13:20:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_register [2019-09-20 13:20:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_unregister [2019-09-20 13:20:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure set_chunk_size [2019-09-20 13:20:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_set_chunk_size [2019-09-20 13:20:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_create [2019-09-20 13:20:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_destroy [2019-09-20 13:20:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_init [2019-09-20 13:20:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_exit [2019-09-20 13:20:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-09-20 13:20:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-09-20 13:20:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-09-20 13:20:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-09-20 13:20:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2019-09-20 13:20:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_20 [2019-09-20 13:20:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-09-20 13:20:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_dtr [2019-09-20 13:20:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_read_metadata [2019-09-20 13:20:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_prepare_exception [2019-09-20 13:20:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_commit_exception [2019-09-20 13:20:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_usage [2019-09-20 13:20:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_ctr [2019-09-20 13:20:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_status [2019-09-20 13:20:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_transient_snapshot_init [2019-09-20 13:20:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_transient_snapshot_exit [2019-09-20 13:20:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_4 [2019-09-20 13:20:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_5 [2019-09-20 13:20:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_29 [2019-09-20 13:20:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_30 [2019-09-20 13:20:41,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_31 [2019-09-20 13:20:41,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_32 [2019-09-20 13:20:41,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_33 [2019-09-20 13:20:41,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_34 [2019-09-20 13:20:41,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_35 [2019-09-20 13:20:41,506 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-09-20 13:20:41,507 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:20:41,507 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_area [2019-09-20 13:20:41,507 INFO L138 BoogieDeclarations]: Found implementation of procedure free_area [2019-09-20 13:20:41,507 INFO L138 BoogieDeclarations]: Found implementation of procedure do_metadata [2019-09-20 13:20:41,507 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_io [2019-09-20 13:20:41,507 INFO L138 BoogieDeclarations]: Found implementation of procedure area_location [2019-09-20 13:20:41,507 INFO L138 BoogieDeclarations]: Found implementation of procedure area_io [2019-09-20 13:20:41,507 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_memory_area [2019-09-20 13:20:41,507 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_disk_area [2019-09-20 13:20:41,508 INFO L138 BoogieDeclarations]: Found implementation of procedure read_header [2019-09-20 13:20:41,508 INFO L138 BoogieDeclarations]: Found implementation of procedure write_header [2019-09-20 13:20:41,508 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exception [2019-09-20 13:20:41,508 INFO L138 BoogieDeclarations]: Found implementation of procedure read_exception [2019-09-20 13:20:41,508 INFO L138 BoogieDeclarations]: Found implementation of procedure write_exception [2019-09-20 13:20:41,508 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_exception [2019-09-20 13:20:41,508 INFO L138 BoogieDeclarations]: Found implementation of procedure insert_exceptions [2019-09-20 13:20:41,509 INFO L138 BoogieDeclarations]: Found implementation of procedure read_exceptions [2019-09-20 13:20:41,509 INFO L138 BoogieDeclarations]: Found implementation of procedure get_info [2019-09-20 13:20:41,509 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_usage [2019-09-20 13:20:41,509 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_dtr [2019-09-20 13:20:41,509 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_read_metadata [2019-09-20 13:20:41,509 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_exception [2019-09-20 13:20:41,510 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_exception [2019-09-20 13:20:41,510 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_merge [2019-09-20 13:20:41,510 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_merge [2019-09-20 13:20:41,510 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_drop_snapshot [2019-09-20 13:20:41,510 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_ctr [2019-09-20 13:20:41,510 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_status [2019-09-20 13:20:41,510 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_persistent_snapshot_init [2019-09-20 13:20:41,510 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_persistent_snapshot_exit [2019-09-20 13:20:41,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-09-20 13:20:41,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-09-20 13:20:41,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_43 [2019-09-20 13:20:41,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_44 [2019-09-20 13:20:41,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_45 [2019-09-20 13:20:41,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_46 [2019-09-20 13:20:41,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_47 [2019-09-20 13:20:41,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_48 [2019-09-20 13:20:41,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_49 [2019-09-20 13:20:41,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:20:41,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:20:41,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-20 13:20:41,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:41,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:41,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:41,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:41,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:41,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:41,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:41,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:20:41,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:20:41,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-20 13:20:41,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-20 13:20:41,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:20:41,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-20 13:20:41,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-20 13:20:41,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:20:41,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:20:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:20:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:20:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:20:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:20:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:20:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:20:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:20:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2019-09-20 13:20:41,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2019-09-20 13:20:41,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-20 13:20:41,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-20 13:20:41,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:20:41,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-09-20 13:20:41,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-20 13:20:41,516 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-20 13:20:41,517 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-20 13:20:41,517 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-20 13:20:41,517 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-20 13:20:41,517 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-20 13:20:41,517 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:20:41,517 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2019-09-20 13:20:41,517 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2019-09-20 13:20:41,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2019-09-20 13:20:41,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_io [2019-09-20 13:20:41,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_io_client_create [2019-09-20 13:20:41,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_io_client_destroy [2019-09-20 13:20:41,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_client_create [2019-09-20 13:20:41,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_client_destroy [2019-09-20 13:20:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2019-09-20 13:20:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_do_callback [2019-09-20 13:20:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_prepare_callback [2019-09-20 13:20:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2019-09-20 13:20:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2019-09-20 13:20:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_set_target_max_io_len [2019-09-20 13:20:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_suspended [2019-09-20 13:20:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2019-09-20 13:20:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2019-09-20 13:20:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_size [2019-09-20 13:20:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2019-09-20 13:20:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_vcalloc [2019-09-20 13:20:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2019-09-20 13:20:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2019-09-20 13:20:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write_nested [2019-09-20 13:20:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-20 13:20:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2019-09-20 13:20:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2019-09-20 13:20:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-09-20 13:20:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2019-09-20 13:20:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2019-09-20 13:20:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2019-09-20 13:20:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2019-09-20 13:20:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtouint [2019-09-20 13:20:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_merge_target_postsuspend [2019-09-20 13:20:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_origin_target_postsuspend [2019-09-20 13:20:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_origin_target_preresume [2019-09-20 13:20:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_origin_target_presuspend [2019-09-20 13:20:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_snapshot_target_postsuspend [2019-09-20 13:20:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_snapshot_target_presuspend [2019-09-20 13:20:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-20 13:20:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-20 13:20:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2019-09-20 13:20:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2019-09-20 13:20:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2019-09-20 13:20:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2019-09-20 13:20:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-09-20 13:20:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-20 13:20:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-20 13:20:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-20 13:20:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:20:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure out_of_line_wait_on_bit [2019-09-20 13:20:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-09-20 13:20:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:20:41,525 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-20 13:20:41,525 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-09-20 13:20:41,525 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2019-09-20 13:20:41,525 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-09-20 13:20:41,525 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2019-09-20 13:20:41,525 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2019-09-20 13:20:41,525 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-09-20 13:20:41,525 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2019-09-20 13:20:41,526 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2019-09-20 13:20:41,526 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_bit [2019-09-20 13:20:41,526 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:20:41,526 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:20:41,526 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:20:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:20:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:20:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-20 13:20:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-20 13:20:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2019-09-20 13:20:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-20 13:20:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-20 13:20:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:20:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-20 13:20:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure fls64 [2019-09-20 13:20:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2019-09-20 13:20:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2019-09-20 13:20:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:20:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-20 13:20:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2019-09-20 13:20:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-20 13:20:41,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:20:41,529 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-20 13:20:41,529 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-20 13:20:41,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:20:41,529 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-20 13:20:41,529 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-20 13:20:41,529 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-20 13:20:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_HLIST_NODE [2019-09-20 13:20:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_unhashed [2019-09-20 13:20:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_empty [2019-09-20 13:20:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure __hlist_del [2019-09-20 13:20:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del [2019-09-20 13:20:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head [2019-09-20 13:20:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-20 13:20:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-20 13:20:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-20 13:20:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-20 13:20:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-20 13:20:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-20 13:20:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:20:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-20 13:20:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-09-20 13:20:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-20 13:20:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_6 [2019-09-20 13:20:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:20:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-09-20 13:20:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_4 [2019-09-20 13:20:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-09-20 13:20:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-20 13:20:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-09-20 13:20:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-09-20 13:20:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-09-20 13:20:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-20 13:20:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-20 13:20:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:20:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:20:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:20:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:20:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:20:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-20 13:20:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-20 13:20:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-20 13:20:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-20 13:20:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-20 13:20:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:20:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:20:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-20 13:20:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-20 13:20:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-20 13:20:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-20 13:20:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 13:20:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2019-09-20 13:20:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2019-09-20 13:20:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2019-09-20 13:20:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2019-09-20 13:20:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2019-09-20 13:20:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure down_write_nested [2019-09-20 13:20:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-20 13:20:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_bit [2019-09-20 13:20:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure out_of_line_wait_on_bit [2019-09-20 13:20:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-09-20 13:20:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-20 13:20:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-09-20 13:20:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure wait_on_bit [2019-09-20 13:20:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-09-20 13:20:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-09-20 13:20:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2019-09-20 13:20:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2019-09-20 13:20:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2019-09-20 13:20:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:20:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-09-20 13:20:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:20:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:20:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:20:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:20:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:20:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:20:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:20:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2019-09-20 13:20:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2019-09-20 13:20:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2019-09-20 13:20:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2019-09-20 13:20:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2019-09-20 13:20:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc_slab [2019-09-20 13:20:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2019-09-20 13:20:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_slab_pool [2019-09-20 13:20:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2019-09-20 13:20:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2019-09-20 13:20:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2019-09-20 13:20:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_get [2019-09-20 13:20:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2019-09-20 13:20:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2019-09-20 13:20:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2019-09-20 13:20:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2019-09-20 13:20:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure dm_per_bio_data [2019-09-20 13:20:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_get_target_request_nr [2019-09-20 13:20:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2019-09-20 13:20:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2019-09-20 13:20:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure dm_suspended [2019-09-20 13:20:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure dm_set_target_max_io_len [2019-09-20 13:20:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_size [2019-09-20 13:20:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2019-09-20 13:20:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2019-09-20 13:20:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure dm_vcalloc [2019-09-20 13:20:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-20 13:20:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_client_create [2019-09-20 13:20:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_client_destroy [2019-09-20 13:20:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2019-09-20 13:20:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_prepare_callback [2019-09-20 13:20:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_do_callback [2019-09-20 13:20:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snap_origin [2019-09-20 13:20:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snap_cow [2019-09-20 13:20:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure dm_chunk_number [2019-09-20 13:20:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count [2019-09-20 13:20:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count_inc [2019-09-20 13:20:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count_dec [2019-09-20 13:20:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2019-09-20 13:20:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure sector_to_chunk [2019-09-20 13:20:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_create [2019-09-20 13:20:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_destroy [2019-09-20 13:20:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_init [2019-09-20 13:20:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_exit [2019-09-20 13:20:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_to_sector [2019-09-20 13:20:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_equal [2019-09-20 13:20:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure init_tracked_chunk [2019-09-20 13:20:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure is_bio_tracked [2019-09-20 13:20:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure track_chunk [2019-09-20 13:20:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure stop_tracking_chunk [2019-09-20 13:20:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure __chunk_is_tracked [2019-09-20 13:20:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure __check_for_conflicting_io [2019-09-20 13:20:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:20:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure init_origin_hash [2019-09-20 13:20:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:20:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure exit_origin_hash [2019-09-20 13:20:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure origin_hash [2019-09-20 13:20:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_origin [2019-09-20 13:20:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure __insert_origin [2019-09-20 13:20:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure __find_snapshots_sharing_cow [2019-09-20 13:20:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_exception_handover [2019-09-20 13:20:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure __insert_snapshot [2019-09-20 13:20:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure register_snapshot [2019-09-20 13:20:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure reregister_snapshot [2019-09-20 13:20:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_snapshot [2019-09-20 13:20:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_init [2019-09-20 13:20:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_exit [2019-09-20 13:20:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure exception_hash [2019-09-20 13:20:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure dm_remove_exception [2019-09-20 13:20:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure dm_lookup_exception [2019-09-20 13:20:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_completed_exception [2019-09-20 13:20:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure free_completed_exception [2019-09-20 13:20:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pending_exception [2019-09-20 13:20:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure free_pending_exception [2019-09-20 13:20:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure dm_insert_exception [2019-09-20 13:20:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure dm_add_exception [2019-09-20 13:20:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure __minimum_chunk_size [2019-09-20 13:20:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure calc_max_buckets [2019-09-20 13:20:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure init_hash_tables [2019-09-20 13:20:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure merge_shutdown [2019-09-20 13:20:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure __release_queued_bios_after_merge [2019-09-20 13:20:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure __remove_single_exception_chunk [2019-09-20 13:20:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure flush_bios [2019-09-20 13:20:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure remove_single_exception_chunk [2019-09-20 13:20:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure origin_write_extent [2019-09-20 13:20:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure merge_callback [2019-09-20 13:20:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure read_pending_exceptions_done_count [2019-09-20 13:20:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure increment_pending_exceptions_done_count [2019-09-20 13:20:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_next_chunks [2019-09-20 13:20:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-09-20 13:20:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure error_bios [2019-09-20 13:20:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-20 13:20:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure start_merge [2019-09-20 13:20:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure wait_schedule [2019-09-20 13:20:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure stop_merge [2019-09-20 13:20:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_ctr [2019-09-20 13:20:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure __free_exceptions [2019-09-20 13:20:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure __handover_exceptions [2019-09-20 13:20:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_dtr [2019-09-20 13:20:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure do_origin [2019-09-20 13:20:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure retry_origin_bios [2019-09-20 13:20:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure __invalidate_snapshot [2019-09-20 13:20:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:20:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure pending_complete [2019-09-20 13:20:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure commit_callback [2019-09-20 13:20:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure copy_callback [2019-09-20 13:20:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-09-20 13:20:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure start_copy [2019-09-20 13:20:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure full_bio_end_io [2019-09-20 13:20:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure start_full_bio [2019-09-20 13:20:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_pending_exception [2019-09-20 13:20:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure __find_pending_exception [2019-09-20 13:20:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 13:20:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure remap_exception [2019-09-20 13:20:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_map [2019-09-20 13:20:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_map [2019-09-20 13:20:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_end_io [2019-09-20 13:20:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_presuspend [2019-09-20 13:20:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_preresume [2019-09-20 13:20:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_resume [2019-09-20 13:20:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure get_origin_minimum_chunksize [2019-09-20 13:20:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_resume [2019-09-20 13:20:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_status [2019-09-20 13:20:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~status_type_t~0~X~$Pointer$~X~int~TO~int [2019-09-20 13:20:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_iterate_devices [2019-09-20 13:20:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2019-09-20 13:20:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure __origin_write [2019-09-20 13:20:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure origin_ctr [2019-09-20 13:20:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure origin_dtr [2019-09-20 13:20:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure origin_map [2019-09-20 13:20:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure origin_resume [2019-09-20 13:20:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure origin_status [2019-09-20 13:20:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure origin_merge [2019-09-20 13:20:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure origin_iterate_devices [2019-09-20 13:20:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snapshot_init [2019-09-20 13:20:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snapshot_exit [2019-09-20 13:20:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_origin_target_presuspend [2019-09-20 13:20:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_origin_target_postsuspend [2019-09-20 13:20:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_merge_target_postsuspend [2019-09-20 13:20:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:20:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_snapshot_target_postsuspend [2019-09-20 13:20:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:20:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_origin_target_preresume [2019-09-20 13:20:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_snapshot_target_presuspend [2019-09-20 13:20:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_4 [2019-09-20 13:20:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_5 [2019-09-20 13:20:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-09-20 13:20:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-09-20 13:20:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:20:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2019-09-20 13:20:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2019-09-20 13:20:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtouint [2019-09-20 13:20:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-09-20 13:20:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-09-20 13:20:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2019-09-20 13:20:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_20 [2019-09-20 13:20:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-09-20 13:20:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-09-20 13:20:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-09-20 13:20:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-09-20 13:20:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-09-20 13:20:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2019-09-20 13:20:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2019-09-20 13:20:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2019-09-20 13:20:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_register [2019-09-20 13:20:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_unregister [2019-09-20 13:20:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_set_chunk_size [2019-09-20 13:20:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure dm_persistent_snapshot_init [2019-09-20 13:20:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure dm_persistent_snapshot_exit [2019-09-20 13:20:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure dm_transient_snapshot_init [2019-09-20 13:20:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure dm_transient_snapshot_exit [2019-09-20 13:20:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2019-09-20 13:20:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-09-20 13:20:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-09-20 13:20:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-09-20 13:20:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure __find_exception_store_type [2019-09-20 13:20:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure _get_exception_store_type [2019-09-20 13:20:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure get_type [2019-09-20 13:20:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure put_type [2019-09-20 13:20:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure set_chunk_size [2019-09-20 13:20:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-20 13:20:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_34 [2019-09-20 13:20:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_30 [2019-09-20 13:20:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_32 [2019-09-20 13:20:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_35 [2019-09-20 13:20:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_29 [2019-09-20 13:20:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_31 [2019-09-20 13:20:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_33 [2019-09-20 13:20:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure transient_dtr [2019-09-20 13:20:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure transient_read_metadata [2019-09-20 13:20:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure transient_prepare_exception [2019-09-20 13:20:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure transient_commit_exception [2019-09-20 13:20:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-09-20 13:20:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure transient_usage [2019-09-20 13:20:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure transient_ctr [2019-09-20 13:20:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure transient_status [2019-09-20 13:20:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:20:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-09-20 13:20:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-20 13:20:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_48 [2019-09-20 13:20:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_44 [2019-09-20 13:20:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_46 [2019-09-20 13:20:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_49 [2019-09-20 13:20:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_43 [2019-09-20 13:20:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_45 [2019-09-20 13:20:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_47 [2019-09-20 13:20:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-20 13:20:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2019-09-20 13:20:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2019-09-20 13:20:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-20 13:20:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2019-09-20 13:20:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2019-09-20 13:20:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2019-09-20 13:20:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:20:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure dm_io_client_create [2019-09-20 13:20:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure dm_io_client_destroy [2019-09-20 13:20:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure dm_io [2019-09-20 13:20:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_area [2019-09-20 13:20:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure free_area [2019-09-20 13:20:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure do_metadata [2019-09-20 13:20:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_io [2019-09-20 13:20:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure area_location [2019-09-20 13:20:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure area_io [2019-09-20 13:20:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure zero_memory_area [2019-09-20 13:20:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:20:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure zero_disk_area [2019-09-20 13:20:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure read_header [2019-09-20 13:20:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure write_header [2019-09-20 13:20:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure get_exception [2019-09-20 13:20:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure read_exception [2019-09-20 13:20:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure write_exception [2019-09-20 13:20:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure clear_exception [2019-09-20 13:20:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure insert_exceptions [2019-09-20 13:20:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~chunk_t~0~X~~chunk_t~0~TO~int [2019-09-20 13:20:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure read_exceptions [2019-09-20 13:20:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure get_info [2019-09-20 13:20:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_usage [2019-09-20 13:20:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_dtr [2019-09-20 13:20:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_read_metadata [2019-09-20 13:20:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_exception [2019-09-20 13:20:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_exception [2019-09-20 13:20:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_merge [2019-09-20 13:20:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_merge [2019-09-20 13:20:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_drop_snapshot [2019-09-20 13:20:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_ctr [2019-09-20 13:20:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_status [2019-09-20 13:20:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:20:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-20 13:20:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-09-20 13:20:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:20:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:20:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-20 13:20:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:20:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-20 13:20:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:20:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:20:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:20:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:20:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:20:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:20:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:20:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:20:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:20:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:20:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:20:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:20:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:20:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:20:55,012 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:20:55,012 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:20:55,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:20:55 BoogieIcfgContainer [2019-09-20 13:20:55,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:20:55,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:20:55,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:20:55,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:20:55,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:20:36" (1/3) ... [2019-09-20 13:20:55,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50475f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:20:55, skipping insertion in model container [2019-09-20 13:20:55,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:40" (2/3) ... [2019-09-20 13:20:55,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50475f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:20:55, skipping insertion in model container [2019-09-20 13:20:55,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:20:55" (3/3) ... [2019-09-20 13:20:55,027 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--md--dm-snapshot.ko-main.cil.out.i [2019-09-20 13:20:55,038 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:20:55,054 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:20:55,072 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:20:55,123 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:20:55,124 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:20:55,124 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:20:55,124 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:20:55,124 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:20:55,124 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:20:55,124 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:20:55,125 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:20:55,125 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:20:55,205 INFO L276 IsEmpty]: Start isEmpty. Operand 2903 states. [2019-09-20 13:20:55,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-20 13:20:55,245 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:20:55,246 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:20:55,249 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:20:55,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:20:55,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1413394086, now seen corresponding path program 1 times [2019-09-20 13:20:55,257 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:20:55,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:20:55,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:20:55,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:20:55,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:20:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:20:56,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:20:56,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:20:56,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:20:56,248 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:20:56,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:20:56,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:20:56,266 INFO L87 Difference]: Start difference. First operand 2903 states. Second operand 3 states. [2019-09-20 13:20:56,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:20:56,761 INFO L93 Difference]: Finished difference Result 2703 states and 3639 transitions. [2019-09-20 13:20:56,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:20:56,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2019-09-20 13:20:56,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:20:56,804 INFO L225 Difference]: With dead ends: 2703 [2019-09-20 13:20:56,804 INFO L226 Difference]: Without dead ends: 2666 [2019-09-20 13:20:56,814 INFO L636 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 [2019-09-20 13:20:56,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states. [2019-09-20 13:20:57,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 2657. [2019-09-20 13:20:57,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2657 states. [2019-09-20 13:20:57,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2657 states and 3572 transitions. [2019-09-20 13:20:57,089 INFO L78 Accepts]: Start accepts. Automaton has 2657 states and 3572 transitions. Word has length 79 [2019-09-20 13:20:57,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:20:57,107 INFO L475 AbstractCegarLoop]: Abstraction has 2657 states and 3572 transitions. [2019-09-20 13:20:57,107 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:20:57,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 3572 transitions. [2019-09-20 13:20:57,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-20 13:20:57,138 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:20:57,139 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:20:57,139 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:20:57,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:20:57,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1470652388, now seen corresponding path program 1 times [2019-09-20 13:20:57,140 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:20:57,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:20:57,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:20:57,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:20:57,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:20:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:20:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:20:57,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:20:57,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:20:57,471 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:20:57,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:20:57,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:20:57,474 INFO L87 Difference]: Start difference. First operand 2657 states and 3572 transitions. Second operand 3 states. [2019-09-20 13:20:59,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:20:59,722 INFO L93 Difference]: Finished difference Result 2659 states and 3573 transitions. [2019-09-20 13:20:59,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:20:59,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2019-09-20 13:20:59,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:20:59,753 INFO L225 Difference]: With dead ends: 2659 [2019-09-20 13:20:59,753 INFO L226 Difference]: Without dead ends: 2656 [2019-09-20 13:20:59,760 INFO L636 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 [2019-09-20 13:20:59,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2656 states. [2019-09-20 13:20:59,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2656 to 2656. [2019-09-20 13:20:59,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2656 states. [2019-09-20 13:20:59,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 2656 states and 3570 transitions. [2019-09-20 13:21:00,000 INFO L78 Accepts]: Start accepts. Automaton has 2656 states and 3570 transitions. Word has length 79 [2019-09-20 13:21:00,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:00,001 INFO L475 AbstractCegarLoop]: Abstraction has 2656 states and 3570 transitions. [2019-09-20 13:21:00,001 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:00,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2656 states and 3570 transitions. [2019-09-20 13:21:00,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-20 13:21:00,012 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:00,012 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:00,013 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:00,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:00,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1655906325, now seen corresponding path program 1 times [2019-09-20 13:21:00,013 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:00,013 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:00,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:00,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:00,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:00,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:21:00,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:00,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:00,268 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:00,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:00,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:00,269 INFO L87 Difference]: Start difference. First operand 2656 states and 3570 transitions. Second operand 3 states. [2019-09-20 13:21:02,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:02,643 INFO L93 Difference]: Finished difference Result 2658 states and 3571 transitions. [2019-09-20 13:21:02,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:02,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2019-09-20 13:21:02,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:02,663 INFO L225 Difference]: With dead ends: 2658 [2019-09-20 13:21:02,663 INFO L226 Difference]: Without dead ends: 2655 [2019-09-20 13:21:02,669 INFO L636 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 [2019-09-20 13:21:02,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2655 states. [2019-09-20 13:21:02,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2655 to 2655. [2019-09-20 13:21:02,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2655 states. [2019-09-20 13:21:02,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 2655 states and 3568 transitions. [2019-09-20 13:21:02,792 INFO L78 Accepts]: Start accepts. Automaton has 2655 states and 3568 transitions. Word has length 80 [2019-09-20 13:21:02,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:02,793 INFO L475 AbstractCegarLoop]: Abstraction has 2655 states and 3568 transitions. [2019-09-20 13:21:02,793 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:02,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2655 states and 3568 transitions. [2019-09-20 13:21:02,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-20 13:21:02,804 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:02,804 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:02,805 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:02,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:02,805 INFO L82 PathProgramCache]: Analyzing trace with hash 205026247, now seen corresponding path program 1 times [2019-09-20 13:21:02,805 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:02,806 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:02,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:02,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:02,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:03,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:21:03,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:03,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:03,070 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:03,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:03,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:03,071 INFO L87 Difference]: Start difference. First operand 2655 states and 3568 transitions. Second operand 3 states. [2019-09-20 13:21:05,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:05,361 INFO L93 Difference]: Finished difference Result 2655 states and 3568 transitions. [2019-09-20 13:21:05,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:05,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2019-09-20 13:21:05,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:05,528 INFO L225 Difference]: With dead ends: 2655 [2019-09-20 13:21:05,528 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:21:05,541 INFO L636 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 [2019-09-20 13:21:05,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:21:05,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:21:05,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:21:05,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:21:05,543 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2019-09-20 13:21:05,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:05,543 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:21:05,543 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:05,543 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:21:05,543 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:21:05,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.