/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -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 0.2.0-0f64333 [2020-10-28 21:31:46,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 21:31:46,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 21:31:46,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 21:31:46,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 21:31:46,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 21:31:46,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 21:31:46,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 21:31:46,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 21:31:46,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 21:31:46,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 21:31:46,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 21:31:46,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 21:31:46,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 21:31:46,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 21:31:46,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 21:31:46,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 21:31:46,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 21:31:46,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 21:31:46,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 21:31:46,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 21:31:46,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 21:31:46,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 21:31:46,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 21:31:46,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 21:31:46,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 21:31:46,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 21:31:46,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 21:31:46,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 21:31:46,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 21:31:46,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 21:31:46,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 21:31:46,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 21:31:46,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 21:31:46,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 21:31:46,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 21:31:46,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 21:31:46,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 21:31:46,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 21:31:46,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 21:31:46,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 21:31:46,386 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 21:31:46,440 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 21:31:46,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 21:31:46,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 21:31:46,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 21:31:46,446 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 21:31:46,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 21:31:46,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 21:31:46,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 21:31:46,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 21:31:46,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 21:31:46,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 21:31:46,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 21:31:46,449 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 21:31:46,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 21:31:46,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 21:31:46,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 21:31:46,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 21:31:46,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 21:31:46,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 21:31:46,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 21:31:46,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 21:31:46,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 21:31:46,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 21:31:46,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 21:31:46,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 21:31:46,452 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 21:31:46,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 21:31:46,460 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 21:31:46,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 21:31:46,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 21:31:46,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 21:31:46,915 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 21:31:46,917 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 21:31:46,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/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 [2020-10-28 21:31:47,014 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16b47ef16/9443efc3f8de4e7fa56f2709acaa5d14/FLAG6b243cbe8 [2020-10-28 21:31:48,188 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 21:31:48,188 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--md--dm-snapshot.ko-main.cil.out.i [2020-10-28 21:31:48,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16b47ef16/9443efc3f8de4e7fa56f2709acaa5d14/FLAG6b243cbe8 [2020-10-28 21:31:48,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16b47ef16/9443efc3f8de4e7fa56f2709acaa5d14 [2020-10-28 21:31:48,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 21:31:48,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 21:31:48,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 21:31:48,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 21:31:48,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 21:31:48,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:31:48" (1/1) ... [2020-10-28 21:31:48,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@313635d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:48, skipping insertion in model container [2020-10-28 21:31:48,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:31:48" (1/1) ... [2020-10-28 21:31:48,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 21:31:48,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 21:31:51,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 21:31:51,199 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 21:31:51,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 21:31:52,500 INFO L208 MainTranslator]: Completed translation [2020-10-28 21:31:52,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:52 WrapperNode [2020-10-28 21:31:52,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 21:31:52,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 21:31:52,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 21:31:52,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 21:31:52,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:52" (1/1) ... [2020-10-28 21:31:52,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:52" (1/1) ... [2020-10-28 21:31:52,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:52" (1/1) ... [2020-10-28 21:31:52,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:52" (1/1) ... [2020-10-28 21:31:52,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:52" (1/1) ... [2020-10-28 21:31:52,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:52" (1/1) ... [2020-10-28 21:31:52,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:52" (1/1) ... [2020-10-28 21:31:52,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 21:31:52,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 21:31:52,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 21:31:52,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 21:31:52,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-28 21:31:53,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 21:31:53,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 21:31:53,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-10-28 21:31:53,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-28 21:31:53,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 21:31:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-28 21:31:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-28 21:31:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~status_type_t~0~X~$Pointer$~X~int~TO~int [2020-10-28 21:31:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2020-10-28 21:31:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-28 21:31:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2020-10-28 21:31:53,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~chunk_t~0~X~~chunk_t~0~TO~int [2020-10-28 21:31:53,078 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 21:31:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-28 21:31:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-28 21:31:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2020-10-28 21:31:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-28 21:31:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-28 21:31:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-28 21:31:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure fls64 [2020-10-28 21:31:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2020-10-28 21:31:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2020-10-28 21:31:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-28 21:31:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-28 21:31:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-28 21:31:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-28 21:31:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_HLIST_NODE [2020-10-28 21:31:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_unhashed [2020-10-28 21:31:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_empty [2020-10-28 21:31:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __hlist_del [2020-10-28 21:31:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del [2020-10-28 21:31:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head [2020-10-28 21:31:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-28 21:31:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-28 21:31:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-28 21:31:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-28 21:31:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-28 21:31:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-28 21:31:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-28 21:31:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 21:31:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-28 21:31:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-28 21:31:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-28 21:31:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-28 21:31:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-28 21:31:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_on_bit [2020-10-28 21:31:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 21:31:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 21:31:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 21:31:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 21:31:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 21:31:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2020-10-28 21:31:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_slab_pool [2020-10-28 21:31:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2020-10-28 21:31:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2020-10-28 21:31:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_get [2020-10-28 21:31:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2020-10-28 21:31:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_per_bio_data [2020-10-28 21:31:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_get_target_request_nr [2020-10-28 21:31:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_chunk_number [2020-10-28 21:31:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count [2020-10-28 21:31:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count_inc [2020-10-28 21:31:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count_dec [2020-10-28 21:31:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2020-10-28 21:31:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure sector_to_chunk [2020-10-28 21:31:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snap_origin [2020-10-28 21:31:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snap_cow [2020-10-28 21:31:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_to_sector [2020-10-28 21:31:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_equal [2020-10-28 21:31:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tracked_chunk [2020-10-28 21:31:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure is_bio_tracked [2020-10-28 21:31:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure track_chunk [2020-10-28 21:31:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_tracking_chunk [2020-10-28 21:31:53,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __chunk_is_tracked [2020-10-28 21:31:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __check_for_conflicting_io [2020-10-28 21:31:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure init_origin_hash [2020-10-28 21:31:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_origin_hash [2020-10-28 21:31:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_hash [2020-10-28 21:31:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_origin [2020-10-28 21:31:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __insert_origin [2020-10-28 21:31:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_snapshots_sharing_cow [2020-10-28 21:31:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_exception_handover [2020-10-28 21:31:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __insert_snapshot [2020-10-28 21:31:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure register_snapshot [2020-10-28 21:31:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure reregister_snapshot [2020-10-28 21:31:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_snapshot [2020-10-28 21:31:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_init [2020-10-28 21:31:53,096 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_exit [2020-10-28 21:31:53,096 INFO L138 BoogieDeclarations]: Found implementation of procedure exception_hash [2020-10-28 21:31:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_remove_exception [2020-10-28 21:31:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_lookup_exception [2020-10-28 21:31:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_completed_exception [2020-10-28 21:31:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure free_completed_exception [2020-10-28 21:31:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pending_exception [2020-10-28 21:31:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pending_exception [2020-10-28 21:31:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_insert_exception [2020-10-28 21:31:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_add_exception [2020-10-28 21:31:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __minimum_chunk_size [2020-10-28 21:31:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_max_buckets [2020-10-28 21:31:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure init_hash_tables [2020-10-28 21:31:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_shutdown [2020-10-28 21:31:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_queued_bios_after_merge [2020-10-28 21:31:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __remove_single_exception_chunk [2020-10-28 21:31:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_single_exception_chunk [2020-10-28 21:31:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pending_exceptions_done_count [2020-10-28 21:31:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure increment_pending_exceptions_done_count [2020-10-28 21:31:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_next_chunks [2020-10-28 21:31:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_callback [2020-10-28 21:31:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure start_merge [2020-10-28 21:31:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_schedule [2020-10-28 21:31:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_merge [2020-10-28 21:31:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_ctr [2020-10-28 21:31:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_exceptions [2020-10-28 21:31:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __handover_exceptions [2020-10-28 21:31:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_dtr [2020-10-28 21:31:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_bios [2020-10-28 21:31:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_origin_bios [2020-10-28 21:31:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure error_bios [2020-10-28 21:31:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __invalidate_snapshot [2020-10-28 21:31:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pending_complete [2020-10-28 21:31:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_callback [2020-10-28 21:31:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_callback [2020-10-28 21:31:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure start_copy [2020-10-28 21:31:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure full_bio_end_io [2020-10-28 21:31:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure start_full_bio [2020-10-28 21:31:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_pending_exception [2020-10-28 21:31:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_pending_exception [2020-10-28 21:31:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_exception [2020-10-28 21:31:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_map [2020-10-28 21:31:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_map [2020-10-28 21:31:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_end_io [2020-10-28 21:31:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_presuspend [2020-10-28 21:31:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_preresume [2020-10-28 21:31:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_resume [2020-10-28 21:31:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure get_origin_minimum_chunksize [2020-10-28 21:31:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_resume [2020-10-28 21:31:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_status [2020-10-28 21:31:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_iterate_devices [2020-10-28 21:31:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __origin_write [2020-10-28 21:31:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure do_origin [2020-10-28 21:31:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_write_extent [2020-10-28 21:31:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_ctr [2020-10-28 21:31:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_dtr [2020-10-28 21:31:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_map [2020-10-28 21:31:53,115 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_resume [2020-10-28 21:31:53,115 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_status [2020-10-28 21:31:53,115 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_merge [2020-10-28 21:31:53,115 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_iterate_devices [2020-10-28 21:31:53,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snapshot_init [2020-10-28 21:31:53,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snapshot_exit [2020-10-28 21:31:53,115 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 21:31:53,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-28 21:31:53,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-28 21:31:53,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-28 21:31:53,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_4 [2020-10-28 21:31:53,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2020-10-28 21:31:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_6 [2020-10-28 21:31:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-28 21:31:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2020-10-28 21:31:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2020-10-28 21:31:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2020-10-28 21:31:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2020-10-28 21:31:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2020-10-28 21:31:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_exception_store_type [2020-10-28 21:31:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_exception_store_type [2020-10-28 21:31:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure get_type [2020-10-28 21:31:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure put_type [2020-10-28 21:31:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_register [2020-10-28 21:31:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_unregister [2020-10-28 21:31:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure set_chunk_size [2020-10-28 21:31:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_set_chunk_size [2020-10-28 21:31:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_create [2020-10-28 21:31:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_destroy [2020-10-28 21:31:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_init [2020-10-28 21:31:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_exit [2020-10-28 21:31:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2020-10-28 21:31:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2020-10-28 21:31:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2020-10-28 21:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2020-10-28 21:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2020-10-28 21:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_20 [2020-10-28 21:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2020-10-28 21:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_dtr [2020-10-28 21:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_read_metadata [2020-10-28 21:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_prepare_exception [2020-10-28 21:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_commit_exception [2020-10-28 21:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_usage [2020-10-28 21:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_ctr [2020-10-28 21:31:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_status [2020-10-28 21:31:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_transient_snapshot_init [2020-10-28 21:31:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_transient_snapshot_exit [2020-10-28 21:31:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_4 [2020-10-28 21:31:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_5 [2020-10-28 21:31:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_29 [2020-10-28 21:31:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_30 [2020-10-28 21:31:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_31 [2020-10-28 21:31:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_32 [2020-10-28 21:31:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_33 [2020-10-28 21:31:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_34 [2020-10-28 21:31:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_35 [2020-10-28 21:31:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2020-10-28 21:31:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 21:31:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_area [2020-10-28 21:31:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure free_area [2020-10-28 21:31:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure do_metadata [2020-10-28 21:31:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_io [2020-10-28 21:31:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure area_location [2020-10-28 21:31:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure area_io [2020-10-28 21:31:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_memory_area [2020-10-28 21:31:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_disk_area [2020-10-28 21:31:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure read_header [2020-10-28 21:31:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure write_header [2020-10-28 21:31:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exception [2020-10-28 21:31:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure read_exception [2020-10-28 21:31:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure write_exception [2020-10-28 21:31:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_exception [2020-10-28 21:31:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure insert_exceptions [2020-10-28 21:31:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure read_exceptions [2020-10-28 21:31:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure get_info [2020-10-28 21:31:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_usage [2020-10-28 21:31:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_dtr [2020-10-28 21:31:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_read_metadata [2020-10-28 21:31:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_exception [2020-10-28 21:31:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_exception [2020-10-28 21:31:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_merge [2020-10-28 21:31:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_merge [2020-10-28 21:31:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_drop_snapshot [2020-10-28 21:31:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_ctr [2020-10-28 21:31:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_status [2020-10-28 21:31:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_persistent_snapshot_init [2020-10-28 21:31:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_persistent_snapshot_exit [2020-10-28 21:31:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2020-10-28 21:31:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2020-10-28 21:31:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_43 [2020-10-28 21:31:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_44 [2020-10-28 21:31:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_45 [2020-10-28 21:31:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_46 [2020-10-28 21:31:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_47 [2020-10-28 21:31:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_48 [2020-10-28 21:31:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_49 [2020-10-28 21:31:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 21:31:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 21:31:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 21:31:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-28 21:31:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-28 21:31:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 21:31:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-28 21:31:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 21:31:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-28 21:31:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-28 21:31:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 21:31:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-28 21:31:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-28 21:31:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-28 21:31:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 21:31:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-28 21:31:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-28 21:31:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 21:31:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 21:31:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 21:31:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 21:31:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 21:31:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 21:31:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 21:31:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 21:31:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 21:31:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2020-10-28 21:31:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2020-10-28 21:31:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-28 21:31:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-28 21:31:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 21:31:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2020-10-28 21:31:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-28 21:31:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-28 21:31:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-28 21:31:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-28 21:31:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-28 21:31:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-28 21:31:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-28 21:31:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2020-10-28 21:31:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2020-10-28 21:31:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2020-10-28 21:31:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_io [2020-10-28 21:31:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_io_client_create [2020-10-28 21:31:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_io_client_destroy [2020-10-28 21:31:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_client_create [2020-10-28 21:31:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_client_destroy [2020-10-28 21:31:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2020-10-28 21:31:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_do_callback [2020-10-28 21:31:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_prepare_callback [2020-10-28 21:31:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2020-10-28 21:31:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2020-10-28 21:31:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_set_target_max_io_len [2020-10-28 21:31:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_suspended [2020-10-28 21:31:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2020-10-28 21:31:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2020-10-28 21:31:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_size [2020-10-28 21:31:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2020-10-28 21:31:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_vcalloc [2020-10-28 21:31:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2020-10-28 21:31:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2020-10-28 21:31:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write_nested [2020-10-28 21:31:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-28 21:31:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2020-10-28 21:31:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2020-10-28 21:31:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-28 21:31:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2020-10-28 21:31:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2020-10-28 21:31:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2020-10-28 21:31:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2020-10-28 21:31:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtouint [2020-10-28 21:31:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_merge_target_postsuspend [2020-10-28 21:31:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_origin_target_postsuspend [2020-10-28 21:31:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_origin_target_preresume [2020-10-28 21:31:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_origin_target_presuspend [2020-10-28 21:31:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_snapshot_target_postsuspend [2020-10-28 21:31:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_snapshot_target_presuspend [2020-10-28 21:31:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-28 21:31:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-28 21:31:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2020-10-28 21:31:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2020-10-28 21:31:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2020-10-28 21:31:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2020-10-28 21:31:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2020-10-28 21:31:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-28 21:31:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-28 21:31:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-28 21:31:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 21:31:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure out_of_line_wait_on_bit [2020-10-28 21:31:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-28 21:31:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 21:31:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-28 21:31:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-28 21:31:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2020-10-28 21:31:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2020-10-28 21:31:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2020-10-28 21:31:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2020-10-28 21:31:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2020-10-28 21:31:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2020-10-28 21:31:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2020-10-28 21:31:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_bit [2020-10-28 21:31:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 21:31:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 21:31:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 21:31:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 21:31:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 21:31:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 21:31:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 21:31:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 21:31:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 21:31:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-28 21:31:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-28 21:31:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2020-10-28 21:31:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-28 21:31:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-28 21:31:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 21:31:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-28 21:31:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure fls64 [2020-10-28 21:31:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2020-10-28 21:31:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2020-10-28 21:31:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 21:31:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-28 21:31:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2020-10-28 21:31:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-28 21:31:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 21:31:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-28 21:31:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-28 21:31:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 21:31:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-28 21:31:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-28 21:31:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-28 21:31:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_HLIST_NODE [2020-10-28 21:31:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_unhashed [2020-10-28 21:31:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_empty [2020-10-28 21:31:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure __hlist_del [2020-10-28 21:31:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del [2020-10-28 21:31:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head [2020-10-28 21:31:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-28 21:31:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-28 21:31:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-28 21:31:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-28 21:31:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-28 21:31:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-28 21:31:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 21:31:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-28 21:31:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-28 21:31:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-28 21:31:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_6 [2020-10-28 21:31:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 21:31:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-28 21:31:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_4 [2020-10-28 21:31:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-28 21:31:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-28 21:31:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-28 21:31:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-28 21:31:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2020-10-28 21:31:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 21:31:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-28 21:31:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-28 21:31:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-28 21:31:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 21:31:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 21:31:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 21:31:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 21:31:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 21:31:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-28 21:31:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-28 21:31:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-28 21:31:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-28 21:31:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-28 21:31:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-28 21:31:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 21:31:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-28 21:31:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-28 21:31:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-28 21:31:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-28 21:31:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-28 21:31:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2020-10-28 21:31:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2020-10-28 21:31:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2020-10-28 21:31:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2020-10-28 21:31:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2020-10-28 21:31:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure down_write_nested [2020-10-28 21:31:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-28 21:31:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_bit [2020-10-28 21:31:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure out_of_line_wait_on_bit [2020-10-28 21:31:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-28 21:31:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-28 21:31:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-28 21:31:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure wait_on_bit [2020-10-28 21:31:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2020-10-28 21:31:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-28 21:31:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2020-10-28 21:31:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2020-10-28 21:31:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2020-10-28 21:31:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 21:31:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-28 21:31:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 21:31:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 21:31:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 21:31:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 21:31:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 21:31:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 21:31:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 21:31:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2020-10-28 21:31:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2020-10-28 21:31:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2020-10-28 21:31:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2020-10-28 21:31:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2020-10-28 21:31:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc_slab [2020-10-28 21:31:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2020-10-28 21:31:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_slab_pool [2020-10-28 21:31:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2020-10-28 21:31:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2020-10-28 21:31:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2020-10-28 21:31:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_get [2020-10-28 21:31:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2020-10-28 21:31:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2020-10-28 21:31:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2020-10-28 21:31:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2020-10-28 21:31:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure dm_per_bio_data [2020-10-28 21:31:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_get_target_request_nr [2020-10-28 21:31:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2020-10-28 21:31:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2020-10-28 21:31:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure dm_suspended [2020-10-28 21:31:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure dm_set_target_max_io_len [2020-10-28 21:31:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_size [2020-10-28 21:31:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2020-10-28 21:31:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2020-10-28 21:31:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure dm_vcalloc [2020-10-28 21:31:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-28 21:31:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_client_create [2020-10-28 21:31:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_client_destroy [2020-10-28 21:31:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2020-10-28 21:31:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_prepare_callback [2020-10-28 21:31:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_do_callback [2020-10-28 21:31:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snap_origin [2020-10-28 21:31:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snap_cow [2020-10-28 21:31:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure dm_chunk_number [2020-10-28 21:31:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count [2020-10-28 21:31:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count_inc [2020-10-28 21:31:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count_dec [2020-10-28 21:31:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2020-10-28 21:31:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure sector_to_chunk [2020-10-28 21:31:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_create [2020-10-28 21:31:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_destroy [2020-10-28 21:31:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_init [2020-10-28 21:31:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_exit [2020-10-28 21:31:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_to_sector [2020-10-28 21:31:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_equal [2020-10-28 21:31:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure init_tracked_chunk [2020-10-28 21:31:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure is_bio_tracked [2020-10-28 21:31:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure track_chunk [2020-10-28 21:31:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure stop_tracking_chunk [2020-10-28 21:31:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure __chunk_is_tracked [2020-10-28 21:31:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure __check_for_conflicting_io [2020-10-28 21:31:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure init_origin_hash [2020-10-28 21:31:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 21:31:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure exit_origin_hash [2020-10-28 21:31:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure origin_hash [2020-10-28 21:31:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_origin [2020-10-28 21:31:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure __insert_origin [2020-10-28 21:31:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure __find_snapshots_sharing_cow [2020-10-28 21:31:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_exception_handover [2020-10-28 21:31:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure __insert_snapshot [2020-10-28 21:31:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure register_snapshot [2020-10-28 21:31:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure reregister_snapshot [2020-10-28 21:31:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_snapshot [2020-10-28 21:31:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_init [2020-10-28 21:31:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_exit [2020-10-28 21:31:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure exception_hash [2020-10-28 21:31:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure dm_remove_exception [2020-10-28 21:31:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure dm_lookup_exception [2020-10-28 21:31:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_completed_exception [2020-10-28 21:31:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure free_completed_exception [2020-10-28 21:31:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pending_exception [2020-10-28 21:31:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure free_pending_exception [2020-10-28 21:31:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure dm_insert_exception [2020-10-28 21:31:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure dm_add_exception [2020-10-28 21:31:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure __minimum_chunk_size [2020-10-28 21:31:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure calc_max_buckets [2020-10-28 21:31:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure init_hash_tables [2020-10-28 21:31:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure merge_shutdown [2020-10-28 21:31:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure __release_queued_bios_after_merge [2020-10-28 21:31:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure __remove_single_exception_chunk [2020-10-28 21:31:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure flush_bios [2020-10-28 21:31:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure remove_single_exception_chunk [2020-10-28 21:31:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure origin_write_extent [2020-10-28 21:31:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure merge_callback [2020-10-28 21:31:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure read_pending_exceptions_done_count [2020-10-28 21:31:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure increment_pending_exceptions_done_count [2020-10-28 21:31:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_next_chunks [2020-10-28 21:31:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-10-28 21:31:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure error_bios [2020-10-28 21:31:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-28 21:31:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure start_merge [2020-10-28 21:31:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure wait_schedule [2020-10-28 21:31:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure stop_merge [2020-10-28 21:31:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_ctr [2020-10-28 21:31:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure __free_exceptions [2020-10-28 21:31:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure __handover_exceptions [2020-10-28 21:31:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_dtr [2020-10-28 21:31:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure do_origin [2020-10-28 21:31:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure retry_origin_bios [2020-10-28 21:31:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure __invalidate_snapshot [2020-10-28 21:31:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 21:31:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure pending_complete [2020-10-28 21:31:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure commit_callback [2020-10-28 21:31:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure copy_callback [2020-10-28 21:31:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-28 21:31:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure start_copy [2020-10-28 21:31:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure full_bio_end_io [2020-10-28 21:31:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure start_full_bio [2020-10-28 21:31:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_pending_exception [2020-10-28 21:31:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure __find_pending_exception [2020-10-28 21:31:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-28 21:31:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure remap_exception [2020-10-28 21:31:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_map [2020-10-28 21:31:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_map [2020-10-28 21:31:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_end_io [2020-10-28 21:31:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_presuspend [2020-10-28 21:31:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_preresume [2020-10-28 21:31:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_resume [2020-10-28 21:31:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure get_origin_minimum_chunksize [2020-10-28 21:31:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_resume [2020-10-28 21:31:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_status [2020-10-28 21:31:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~status_type_t~0~X~$Pointer$~X~int~TO~int [2020-10-28 21:31:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_iterate_devices [2020-10-28 21:31:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2020-10-28 21:31:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure __origin_write [2020-10-28 21:31:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure origin_ctr [2020-10-28 21:31:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure origin_dtr [2020-10-28 21:31:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure origin_map [2020-10-28 21:31:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure origin_resume [2020-10-28 21:31:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure origin_status [2020-10-28 21:31:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure origin_merge [2020-10-28 21:31:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure origin_iterate_devices [2020-10-28 21:31:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snapshot_init [2020-10-28 21:31:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snapshot_exit [2020-10-28 21:31:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_origin_target_presuspend [2020-10-28 21:31:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_origin_target_postsuspend [2020-10-28 21:31:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_merge_target_postsuspend [2020-10-28 21:31:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 21:31:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_snapshot_target_postsuspend [2020-10-28 21:31:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 21:31:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_origin_target_preresume [2020-10-28 21:31:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_snapshot_target_presuspend [2020-10-28 21:31:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_4 [2020-10-28 21:31:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_5 [2020-10-28 21:31:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2020-10-28 21:31:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2020-10-28 21:31:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 21:31:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2020-10-28 21:31:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2020-10-28 21:31:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtouint [2020-10-28 21:31:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-10-28 21:31:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-10-28 21:31:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2020-10-28 21:31:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_20 [2020-10-28 21:31:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2020-10-28 21:31:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2020-10-28 21:31:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2020-10-28 21:31:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2020-10-28 21:31:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2020-10-28 21:31:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2020-10-28 21:31:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2020-10-28 21:31:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2020-10-28 21:31:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_register [2020-10-28 21:31:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_unregister [2020-10-28 21:31:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_set_chunk_size [2020-10-28 21:31:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure dm_persistent_snapshot_init [2020-10-28 21:31:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure dm_persistent_snapshot_exit [2020-10-28 21:31:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure dm_transient_snapshot_init [2020-10-28 21:31:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure dm_transient_snapshot_exit [2020-10-28 21:31:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2020-10-28 21:31:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2020-10-28 21:31:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2020-10-28 21:31:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2020-10-28 21:31:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure __find_exception_store_type [2020-10-28 21:31:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure _get_exception_store_type [2020-10-28 21:31:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure get_type [2020-10-28 21:31:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure put_type [2020-10-28 21:31:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure set_chunk_size [2020-10-28 21:31:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-28 21:31:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_34 [2020-10-28 21:31:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_30 [2020-10-28 21:31:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_32 [2020-10-28 21:31:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_35 [2020-10-28 21:31:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_29 [2020-10-28 21:31:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_31 [2020-10-28 21:31:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_33 [2020-10-28 21:31:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure transient_dtr [2020-10-28 21:31:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure transient_read_metadata [2020-10-28 21:31:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure transient_prepare_exception [2020-10-28 21:31:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure transient_commit_exception [2020-10-28 21:31:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2020-10-28 21:31:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure transient_usage [2020-10-28 21:31:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure transient_ctr [2020-10-28 21:31:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure transient_status [2020-10-28 21:31:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 21:31:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2020-10-28 21:31:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-28 21:31:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_48 [2020-10-28 21:31:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_44 [2020-10-28 21:31:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_46 [2020-10-28 21:31:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_49 [2020-10-28 21:31:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_43 [2020-10-28 21:31:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_45 [2020-10-28 21:31:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_47 [2020-10-28 21:31:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-28 21:31:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2020-10-28 21:31:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2020-10-28 21:31:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-28 21:31:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2020-10-28 21:31:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2020-10-28 21:31:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2020-10-28 21:31:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 21:31:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 21:31:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure dm_io_client_create [2020-10-28 21:31:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure dm_io_client_destroy [2020-10-28 21:31:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure dm_io [2020-10-28 21:31:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_area [2020-10-28 21:31:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure free_area [2020-10-28 21:31:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure do_metadata [2020-10-28 21:31:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_io [2020-10-28 21:31:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure area_location [2020-10-28 21:31:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure area_io [2020-10-28 21:31:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure zero_memory_area [2020-10-28 21:31:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 21:31:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure zero_disk_area [2020-10-28 21:31:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure read_header [2020-10-28 21:31:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure write_header [2020-10-28 21:31:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure get_exception [2020-10-28 21:31:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure read_exception [2020-10-28 21:31:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure write_exception [2020-10-28 21:31:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure clear_exception [2020-10-28 21:31:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure insert_exceptions [2020-10-28 21:31:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~chunk_t~0~X~~chunk_t~0~TO~int [2020-10-28 21:31:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure read_exceptions [2020-10-28 21:31:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure get_info [2020-10-28 21:31:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_usage [2020-10-28 21:31:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_dtr [2020-10-28 21:31:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_read_metadata [2020-10-28 21:31:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_exception [2020-10-28 21:31:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_exception [2020-10-28 21:31:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_merge [2020-10-28 21:31:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_merge [2020-10-28 21:31:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_drop_snapshot [2020-10-28 21:31:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_ctr [2020-10-28 21:31:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_status [2020-10-28 21:31:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 21:31:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 21:31:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-28 21:31:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-28 21:31:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-28 21:31:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 21:31:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-28 21:31:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 21:31:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-28 21:31:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-28 21:31:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 21:31:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-28 21:31:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 21:31:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 21:31:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 21:31:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 21:31:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 21:31:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 21:31:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 21:31:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 21:31:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 21:31:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 21:31:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 21:31:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 21:32:09,140 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 21:32:09,140 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 21:32:09,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:32:09 BoogieIcfgContainer [2020-10-28 21:32:09,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 21:32:09,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 21:32:09,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 21:32:09,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 21:32:09,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:31:48" (1/3) ... [2020-10-28 21:32:09,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4baf9fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:32:09, skipping insertion in model container [2020-10-28 21:32:09,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:52" (2/3) ... [2020-10-28 21:32:09,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4baf9fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:32:09, skipping insertion in model container [2020-10-28 21:32:09,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:32:09" (3/3) ... [2020-10-28 21:32:09,158 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--md--dm-snapshot.ko-main.cil.out.i [2020-10-28 21:32:09,170 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 21:32:09,180 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 21:32:09,194 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 21:32:09,234 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 21:32:09,234 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 21:32:09,234 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 21:32:09,234 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 21:32:09,234 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 21:32:09,234 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 21:32:09,235 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 21:32:09,235 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 21:32:09,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2911 states. [2020-10-28 21:32:09,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-28 21:32:09,370 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:32:09,371 INFO L422 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] [2020-10-28 21:32:09,371 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:32:09,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:32:09,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1981320073, now seen corresponding path program 1 times [2020-10-28 21:32:09,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:32:09,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144181021] [2020-10-28 21:32:09,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:32:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:32:10,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:32:10,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:32:11,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:32:15,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:32:15,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 21:32:15,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 21:32:15,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5717 [2020-10-28 21:32:15,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:32:15,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:32:15,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:32:15,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-28 21:32:15,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:32:15,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 21:32:21,987 WARN L193 SmtUtils]: Spent 5.83 s on a formula simplification that was a NOOP. DAG size: 1201 [2020-10-28 21:32:21,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:32:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:32:22,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:32:22,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:32:22,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:32:22,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:32:22,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 562 [2020-10-28 21:32:22,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:32:22,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:32:22,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:32:22,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:32:22,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:32:22,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:32:22,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:32:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:32:22,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:32:22,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:32:22,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:32:22,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:32:22,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 21:32:22,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:32:22,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:32:22,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:32:22,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:32:22,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:32:22,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:32:22,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 21:32:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:32:22,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:32:22,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:32:22,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:32:22,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-28 21:32:22,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:32:22,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-28 21:32:22,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:32:22,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:32:22,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:32:22,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:32:22,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:32:22,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:32:23,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:32:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:32:23,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:32:23,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:32:23,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:32:23,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 21:32:23,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:32:23,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-28 21:32:23,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:32:23,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:32:23,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:32:23,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:32:23,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:32:23,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:32:23,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:32:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:32:23,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:32:23,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:32:23,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:32:23,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 21:32:23,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:32:23,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-28 21:32:23,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:32:23,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:32:23,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:32:23,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:32:23,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:32:23,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:32:23,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:32:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:32:23,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:32:23,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:32:23,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:32:23,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 21:32:23,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:32:23,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-28 21:32:23,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:32:23,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:32:23,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:32:23,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:32:23,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:32:23,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:32:23,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:32:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:32:23,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:32:23,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:32:23,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 21:32:23,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:32:23,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 21:32:23,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:32:23,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:32:23,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:32:23,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:32:23,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:32:23,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:32:23,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:32:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:32:23,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:32:23,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:32:23,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:32:23,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:32:23,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 21:32:23,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:32:23,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:32:23,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:32:23,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:32:23,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:32:23,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:32:23,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 21:32:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:32:23,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:32:23,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:32:23,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 21:32:23,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:32:23,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 21:32:23,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:32:23,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:32:23,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:32:23,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:32:23,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:32:23,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:32:23,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 21:32:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:32:23,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:32:23,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:32:23,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 21:32:23,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:32:23,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 21:32:23,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:32:23,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:32:23,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:32:23,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:32:23,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:32:23,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:32:23,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:32:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:32:23,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:32:23,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:32:23,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:32:23,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:32:23,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:32:23,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:32:23,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:32:23,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:32:23,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:32:23,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:32:23,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:32:23,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:32:23,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [144181021] [2020-10-28 21:32:23,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:32:23,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 21:32:23,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931589856] [2020-10-28 21:32:23,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 21:32:23,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:32:23,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 21:32:23,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 21:32:23,669 INFO L87 Difference]: Start difference. First operand 2911 states. Second operand 6 states. [2020-10-28 21:32:53,511 WARN L193 SmtUtils]: Spent 5.70 s on a formula simplification that was a NOOP. DAG size: 1203 [2020-10-28 21:35:32,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:35:32,780 INFO L93 Difference]: Finished difference Result 9118 states and 13101 transitions. [2020-10-28 21:35:32,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 21:35:32,788 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 81 [2020-10-28 21:35:32,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:35:32,877 INFO L225 Difference]: With dead ends: 9118 [2020-10-28 21:35:32,878 INFO L226 Difference]: Without dead ends: 6424 [2020-10-28 21:35:32,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-28 21:35:32,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6424 states. [2020-10-28 21:35:35,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6424 to 2662. [2020-10-28 21:35:35,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2662 states. [2020-10-28 21:35:35,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2662 states and 3578 transitions. [2020-10-28 21:35:35,394 INFO L78 Accepts]: Start accepts. Automaton has 2662 states and 3578 transitions. Word has length 81 [2020-10-28 21:35:35,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:35:35,396 INFO L481 AbstractCegarLoop]: Abstraction has 2662 states and 3578 transitions. [2020-10-28 21:35:35,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 21:35:35,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 3578 transitions. [2020-10-28 21:35:35,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-28 21:35:35,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:35:35,419 INFO L422 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] [2020-10-28 21:35:35,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 21:35:35,420 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:35:35,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:35:35,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1504300597, now seen corresponding path program 1 times [2020-10-28 21:35:35,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:35:35,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [849834667] [2020-10-28 21:35:35,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:35:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:35:35,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:35:35,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:35:36,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking...