/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --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=NARROWEST --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 -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--md--dm-snapshot.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 17:27:10,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 17:27:10,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 17:27:10,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 17:27:10,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 17:27:10,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 17:27:10,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 17:27:10,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 17:27:10,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 17:27:10,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 17:27:10,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 17:27:10,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 17:27:10,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 17:27:10,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 17:27:10,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 17:27:10,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 17:27:10,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 17:27:10,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 17:27:10,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 17:27:10,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 17:27:10,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 17:27:10,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 17:27:10,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 17:27:10,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 17:27:10,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 17:27:10,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 17:27:10,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 17:27:10,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 17:27:10,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 17:27:10,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 17:27:10,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 17:27:10,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 17:27:10,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 17:27:10,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 17:27:10,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 17:27:10,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 17:27:10,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 17:27:10,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 17:27:10,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 17:27:10,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 17:27:10,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 17:27:10,479 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 [2020-10-13 17:27:10,500 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 17:27:10,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 17:27:10,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 17:27:10,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 17:27:10,502 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 17:27:10,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 17:27:10,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 17:27:10,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 17:27:10,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 17:27:10,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 17:27:10,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 17:27:10,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 17:27:10,504 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 17:27:10,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 17:27:10,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 17:27:10,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 17:27:10,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 17:27:10,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 17:27:10,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 17:27:10,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 17:27:10,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 17:27:10,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 17:27:10,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 17:27:10,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 17:27:10,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 17:27:10,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 17:27:10,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 17:27:10,507 INFO L138 SettingsManager]: * To the following directory=dump/ 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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 17:27:10,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 17:27:10,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 17:27:10,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 17:27:10,861 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 17:27:10,862 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 17:27:10,863 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--md--dm-snapshot.ko-main.cil.out.i [2020-10-13 17:27:10,935 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cd60fe673/09b9fb42a3fa48429eb8890727441a92/FLAGfc2f33e19 [2020-10-13 17:27:11,717 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 17:27:11,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--md--dm-snapshot.ko-main.cil.out.i [2020-10-13 17:27:11,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cd60fe673/09b9fb42a3fa48429eb8890727441a92/FLAGfc2f33e19 [2020-10-13 17:27:12,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cd60fe673/09b9fb42a3fa48429eb8890727441a92 [2020-10-13 17:27:12,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 17:27:12,270 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 17:27:12,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 17:27:12,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 17:27:12,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 17:27:12,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:27:12" (1/1) ... [2020-10-13 17:27:12,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0cc214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:27:12, skipping insertion in model container [2020-10-13 17:27:12,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:27:12" (1/1) ... [2020-10-13 17:27:12,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 17:27:12,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 17:27:15,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:27:15,194 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 17:27:15,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:27:16,489 INFO L208 MainTranslator]: Completed translation [2020-10-13 17:27:16,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:27:16 WrapperNode [2020-10-13 17:27:16,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 17:27:16,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 17:27:16,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 17:27:16,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 17:27:16,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:27:16" (1/1) ... [2020-10-13 17:27:16,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:27:16" (1/1) ... [2020-10-13 17:27:16,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:27:16" (1/1) ... [2020-10-13 17:27:16,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:27:16" (1/1) ... [2020-10-13 17:27:16,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:27:16" (1/1) ... [2020-10-13 17:27:16,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:27:16" (1/1) ... [2020-10-13 17:27:16,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:27:16" (1/1) ... [2020-10-13 17:27:16,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 17:27:16,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 17:27:16,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 17:27:16,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 17:27:16,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:27:16" (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 [2020-10-13 17:27:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 17:27:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 17:27:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-10-13 17:27:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-13 17:27:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 17:27:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-13 17:27:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-13 17:27:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~status_type_t~0~X~$Pointer$~X~int~TO~int [2020-10-13 17:27:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2020-10-13 17:27:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-13 17:27:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2020-10-13 17:27:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~chunk_t~0~X~~chunk_t~0~TO~int [2020-10-13 17:27:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-13 17:27:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-13 17:27:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2020-10-13 17:27:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-13 17:27:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-13 17:27:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-13 17:27:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure fls64 [2020-10-13 17:27:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2020-10-13 17:27:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2020-10-13 17:27:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-13 17:27:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-13 17:27:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-13 17:27:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-13 17:27:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_HLIST_NODE [2020-10-13 17:27:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_unhashed [2020-10-13 17:27:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_empty [2020-10-13 17:27:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __hlist_del [2020-10-13 17:27:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del [2020-10-13 17:27:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head [2020-10-13 17:27:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-13 17:27:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-13 17:27:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-13 17:27:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-13 17:27:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-13 17:27:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-13 17:27:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-13 17:27:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 17:27:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-13 17:27:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-13 17:27:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-13 17:27:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-13 17:27:17,026 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 17:27:17,026 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_on_bit [2020-10-13 17:27:17,026 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 17:27:17,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-13 17:27:17,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 17:27:17,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 17:27:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 17:27:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2020-10-13 17:27:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_slab_pool [2020-10-13 17:27:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2020-10-13 17:27:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2020-10-13 17:27:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_get [2020-10-13 17:27:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2020-10-13 17:27:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_per_bio_data [2020-10-13 17:27:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_get_target_request_nr [2020-10-13 17:27:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_chunk_number [2020-10-13 17:27:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count [2020-10-13 17:27:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count_inc [2020-10-13 17:27:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count_dec [2020-10-13 17:27:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2020-10-13 17:27:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure sector_to_chunk [2020-10-13 17:27:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snap_origin [2020-10-13 17:27:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snap_cow [2020-10-13 17:27:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_to_sector [2020-10-13 17:27:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_equal [2020-10-13 17:27:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tracked_chunk [2020-10-13 17:27:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure is_bio_tracked [2020-10-13 17:27:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure track_chunk [2020-10-13 17:27:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_tracking_chunk [2020-10-13 17:27:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __chunk_is_tracked [2020-10-13 17:27:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __check_for_conflicting_io [2020-10-13 17:27:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure init_origin_hash [2020-10-13 17:27:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_origin_hash [2020-10-13 17:27:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_hash [2020-10-13 17:27:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_origin [2020-10-13 17:27:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __insert_origin [2020-10-13 17:27:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_snapshots_sharing_cow [2020-10-13 17:27:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_exception_handover [2020-10-13 17:27:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __insert_snapshot [2020-10-13 17:27:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure register_snapshot [2020-10-13 17:27:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure reregister_snapshot [2020-10-13 17:27:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_snapshot [2020-10-13 17:27:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_init [2020-10-13 17:27:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_exit [2020-10-13 17:27:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure exception_hash [2020-10-13 17:27:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_remove_exception [2020-10-13 17:27:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_lookup_exception [2020-10-13 17:27:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_completed_exception [2020-10-13 17:27:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure free_completed_exception [2020-10-13 17:27:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pending_exception [2020-10-13 17:27:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pending_exception [2020-10-13 17:27:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_insert_exception [2020-10-13 17:27:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_add_exception [2020-10-13 17:27:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __minimum_chunk_size [2020-10-13 17:27:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_max_buckets [2020-10-13 17:27:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure init_hash_tables [2020-10-13 17:27:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_shutdown [2020-10-13 17:27:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_queued_bios_after_merge [2020-10-13 17:27:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __remove_single_exception_chunk [2020-10-13 17:27:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_single_exception_chunk [2020-10-13 17:27:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pending_exceptions_done_count [2020-10-13 17:27:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure increment_pending_exceptions_done_count [2020-10-13 17:27:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_next_chunks [2020-10-13 17:27:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_callback [2020-10-13 17:27:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure start_merge [2020-10-13 17:27:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_schedule [2020-10-13 17:27:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_merge [2020-10-13 17:27:17,036 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_ctr [2020-10-13 17:27:17,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_exceptions [2020-10-13 17:27:17,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __handover_exceptions [2020-10-13 17:27:17,036 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_dtr [2020-10-13 17:27:17,036 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_bios [2020-10-13 17:27:17,036 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_origin_bios [2020-10-13 17:27:17,036 INFO L138 BoogieDeclarations]: Found implementation of procedure error_bios [2020-10-13 17:27:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __invalidate_snapshot [2020-10-13 17:27:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pending_complete [2020-10-13 17:27:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_callback [2020-10-13 17:27:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_callback [2020-10-13 17:27:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure start_copy [2020-10-13 17:27:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure full_bio_end_io [2020-10-13 17:27:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure start_full_bio [2020-10-13 17:27:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_pending_exception [2020-10-13 17:27:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_pending_exception [2020-10-13 17:27:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_exception [2020-10-13 17:27:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_map [2020-10-13 17:27:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_map [2020-10-13 17:27:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_end_io [2020-10-13 17:27:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_presuspend [2020-10-13 17:27:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_preresume [2020-10-13 17:27:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_resume [2020-10-13 17:27:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure get_origin_minimum_chunksize [2020-10-13 17:27:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_resume [2020-10-13 17:27:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_status [2020-10-13 17:27:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_iterate_devices [2020-10-13 17:27:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __origin_write [2020-10-13 17:27:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure do_origin [2020-10-13 17:27:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_write_extent [2020-10-13 17:27:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_ctr [2020-10-13 17:27:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_dtr [2020-10-13 17:27:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_map [2020-10-13 17:27:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_resume [2020-10-13 17:27:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_status [2020-10-13 17:27:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_merge [2020-10-13 17:27:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_iterate_devices [2020-10-13 17:27:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snapshot_init [2020-10-13 17:27:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snapshot_exit [2020-10-13 17:27:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 17:27:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-13 17:27:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-13 17:27:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-13 17:27:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_4 [2020-10-13 17:27:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2020-10-13 17:27:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_6 [2020-10-13 17:27:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-13 17:27:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2020-10-13 17:27:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2020-10-13 17:27:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2020-10-13 17:27:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2020-10-13 17:27:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2020-10-13 17:27:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_exception_store_type [2020-10-13 17:27:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_exception_store_type [2020-10-13 17:27:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure get_type [2020-10-13 17:27:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure put_type [2020-10-13 17:27:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_register [2020-10-13 17:27:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_unregister [2020-10-13 17:27:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure set_chunk_size [2020-10-13 17:27:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_set_chunk_size [2020-10-13 17:27:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_create [2020-10-13 17:27:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_destroy [2020-10-13 17:27:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_init [2020-10-13 17:27:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_exit [2020-10-13 17:27:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2020-10-13 17:27:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2020-10-13 17:27:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2020-10-13 17:27:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2020-10-13 17:27:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2020-10-13 17:27:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_20 [2020-10-13 17:27:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2020-10-13 17:27:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_dtr [2020-10-13 17:27:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_read_metadata [2020-10-13 17:27:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_prepare_exception [2020-10-13 17:27:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_commit_exception [2020-10-13 17:27:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_usage [2020-10-13 17:27:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_ctr [2020-10-13 17:27:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_status [2020-10-13 17:27:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_transient_snapshot_init [2020-10-13 17:27:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_transient_snapshot_exit [2020-10-13 17:27:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_4 [2020-10-13 17:27:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_5 [2020-10-13 17:27:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_29 [2020-10-13 17:27:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_30 [2020-10-13 17:27:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_31 [2020-10-13 17:27:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_32 [2020-10-13 17:27:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_33 [2020-10-13 17:27:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_34 [2020-10-13 17:27:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_35 [2020-10-13 17:27:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2020-10-13 17:27:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 17:27:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_area [2020-10-13 17:27:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure free_area [2020-10-13 17:27:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure do_metadata [2020-10-13 17:27:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_io [2020-10-13 17:27:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure area_location [2020-10-13 17:27:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure area_io [2020-10-13 17:27:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_memory_area [2020-10-13 17:27:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_disk_area [2020-10-13 17:27:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure read_header [2020-10-13 17:27:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure write_header [2020-10-13 17:27:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exception [2020-10-13 17:27:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure read_exception [2020-10-13 17:27:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure write_exception [2020-10-13 17:27:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_exception [2020-10-13 17:27:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure insert_exceptions [2020-10-13 17:27:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure read_exceptions [2020-10-13 17:27:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure get_info [2020-10-13 17:27:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_usage [2020-10-13 17:27:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_dtr [2020-10-13 17:27:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_read_metadata [2020-10-13 17:27:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_exception [2020-10-13 17:27:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_exception [2020-10-13 17:27:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_merge [2020-10-13 17:27:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_merge [2020-10-13 17:27:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_drop_snapshot [2020-10-13 17:27:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_ctr [2020-10-13 17:27:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_status [2020-10-13 17:27:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_persistent_snapshot_init [2020-10-13 17:27:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_persistent_snapshot_exit [2020-10-13 17:27:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2020-10-13 17:27:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2020-10-13 17:27:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_43 [2020-10-13 17:27:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_44 [2020-10-13 17:27:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_45 [2020-10-13 17:27:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_46 [2020-10-13 17:27:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_47 [2020-10-13 17:27:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_48 [2020-10-13 17:27:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_49 [2020-10-13 17:27:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 17:27:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 17:27:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 17:27:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-13 17:27:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-13 17:27:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-13 17:27:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-13 17:27:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-13 17:27:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-13 17:27:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-13 17:27:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-13 17:27:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-13 17:27:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-13 17:27:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-13 17:27:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-13 17:27:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-13 17:27:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-13 17:27:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-13 17:27:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-13 17:27:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-13 17:27:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-13 17:27:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-13 17:27:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-13 17:27:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-13 17:27:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 17:27:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 17:27:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2020-10-13 17:27:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2020-10-13 17:27:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-13 17:27:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-13 17:27:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 17:27:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2020-10-13 17:27:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-13 17:27:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-13 17:27:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-13 17:27:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-13 17:27:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-13 17:27:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-13 17:27:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-13 17:27:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2020-10-13 17:27:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2020-10-13 17:27:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2020-10-13 17:27:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_io [2020-10-13 17:27:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_io_client_create [2020-10-13 17:27:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_io_client_destroy [2020-10-13 17:27:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_client_create [2020-10-13 17:27:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_client_destroy [2020-10-13 17:27:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2020-10-13 17:27:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_do_callback [2020-10-13 17:27:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_prepare_callback [2020-10-13 17:27:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2020-10-13 17:27:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2020-10-13 17:27:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_set_target_max_io_len [2020-10-13 17:27:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_suspended [2020-10-13 17:27:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2020-10-13 17:27:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2020-10-13 17:27:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_size [2020-10-13 17:27:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2020-10-13 17:27:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_vcalloc [2020-10-13 17:27:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2020-10-13 17:27:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2020-10-13 17:27:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write_nested [2020-10-13 17:27:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-13 17:27:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2020-10-13 17:27:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2020-10-13 17:27:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-13 17:27:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2020-10-13 17:27:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2020-10-13 17:27:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2020-10-13 17:27:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2020-10-13 17:27:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtouint [2020-10-13 17:27:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_merge_target_postsuspend [2020-10-13 17:27:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_origin_target_postsuspend [2020-10-13 17:27:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_origin_target_preresume [2020-10-13 17:27:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_origin_target_presuspend [2020-10-13 17:27:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_snapshot_target_postsuspend [2020-10-13 17:27:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_snapshot_target_presuspend [2020-10-13 17:27:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-13 17:27:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-13 17:27:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2020-10-13 17:27:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2020-10-13 17:27:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2020-10-13 17:27:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2020-10-13 17:27:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2020-10-13 17:27:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-13 17:27:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-13 17:27:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-13 17:27:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-13 17:27:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure out_of_line_wait_on_bit [2020-10-13 17:27:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-13 17:27:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 17:27:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-13 17:27:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-13 17:27:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2020-10-13 17:27:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2020-10-13 17:27:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2020-10-13 17:27:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2020-10-13 17:27:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2020-10-13 17:27:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2020-10-13 17:27:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2020-10-13 17:27:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_bit [2020-10-13 17:27:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 17:27:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 17:27:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 17:27:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 17:27:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-13 17:27:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-13 17:27:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2020-10-13 17:27:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-13 17:27:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-13 17:27:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 17:27:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-13 17:27:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure fls64 [2020-10-13 17:27:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2020-10-13 17:27:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2020-10-13 17:27:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 17:27:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-13 17:27:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2020-10-13 17:27:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-13 17:27:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 17:27:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-13 17:27:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-13 17:27:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 17:27:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-13 17:27:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-13 17:27:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-13 17:27:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_HLIST_NODE [2020-10-13 17:27:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_unhashed [2020-10-13 17:27:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_empty [2020-10-13 17:27:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure __hlist_del [2020-10-13 17:27:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del [2020-10-13 17:27:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head [2020-10-13 17:27:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-13 17:27:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-13 17:27:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-13 17:27:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-13 17:27:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-13 17:27:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-13 17:27:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 17:27:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-13 17:27:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-13 17:27:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-13 17:27:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_6 [2020-10-13 17:27:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-13 17:27:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-13 17:27:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_4 [2020-10-13 17:27:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-13 17:27:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-13 17:27:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-13 17:27:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-13 17:27:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2020-10-13 17:27:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-13 17:27:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-13 17:27:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-13 17:27:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-13 17:27:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-13 17:27:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-13 17:27:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-13 17:27:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 17:27:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 17:27:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-13 17:27:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-13 17:27:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-13 17:27:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-13 17:27:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-13 17:27:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-13 17:27:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 17:27:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-13 17:27:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-13 17:27:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-13 17:27:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-13 17:27:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 17:27:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2020-10-13 17:27:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2020-10-13 17:27:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2020-10-13 17:27:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2020-10-13 17:27:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2020-10-13 17:27:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure down_write_nested [2020-10-13 17:27:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-13 17:27:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_bit [2020-10-13 17:27:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure out_of_line_wait_on_bit [2020-10-13 17:27:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-13 17:27:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-13 17:27:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-13 17:27:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure wait_on_bit [2020-10-13 17:27:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2020-10-13 17:27:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-13 17:27:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2020-10-13 17:27:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2020-10-13 17:27:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2020-10-13 17:27:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 17:27:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-13 17:27:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 17:27:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 17:27:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 17:27:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-13 17:27:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 17:27:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 17:27:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 17:27:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 17:27:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2020-10-13 17:27:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2020-10-13 17:27:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2020-10-13 17:27:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2020-10-13 17:27:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2020-10-13 17:27:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc_slab [2020-10-13 17:27:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2020-10-13 17:27:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_slab_pool [2020-10-13 17:27:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2020-10-13 17:27:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2020-10-13 17:27:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2020-10-13 17:27:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_get [2020-10-13 17:27:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2020-10-13 17:27:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2020-10-13 17:27:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2020-10-13 17:27:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2020-10-13 17:27:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure dm_per_bio_data [2020-10-13 17:27:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_get_target_request_nr [2020-10-13 17:27:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2020-10-13 17:27:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2020-10-13 17:27:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure dm_suspended [2020-10-13 17:27:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure dm_set_target_max_io_len [2020-10-13 17:27:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_size [2020-10-13 17:27:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2020-10-13 17:27:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2020-10-13 17:27:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure dm_vcalloc [2020-10-13 17:27:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-13 17:27:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_client_create [2020-10-13 17:27:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_client_destroy [2020-10-13 17:27:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2020-10-13 17:27:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_prepare_callback [2020-10-13 17:27:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_do_callback [2020-10-13 17:27:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snap_origin [2020-10-13 17:27:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snap_cow [2020-10-13 17:27:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure dm_chunk_number [2020-10-13 17:27:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count [2020-10-13 17:27:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count_inc [2020-10-13 17:27:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count_dec [2020-10-13 17:27:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2020-10-13 17:27:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure sector_to_chunk [2020-10-13 17:27:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_create [2020-10-13 17:27:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_destroy [2020-10-13 17:27:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_init [2020-10-13 17:27:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_exit [2020-10-13 17:27:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_to_sector [2020-10-13 17:27:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_equal [2020-10-13 17:27:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure init_tracked_chunk [2020-10-13 17:27:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure is_bio_tracked [2020-10-13 17:27:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure track_chunk [2020-10-13 17:27:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure stop_tracking_chunk [2020-10-13 17:27:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure __chunk_is_tracked [2020-10-13 17:27:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure __check_for_conflicting_io [2020-10-13 17:27:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 17:27:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure init_origin_hash [2020-10-13 17:27:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 17:27:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure exit_origin_hash [2020-10-13 17:27:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure origin_hash [2020-10-13 17:27:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_origin [2020-10-13 17:27:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure __insert_origin [2020-10-13 17:27:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure __find_snapshots_sharing_cow [2020-10-13 17:27:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_exception_handover [2020-10-13 17:27:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure __insert_snapshot [2020-10-13 17:27:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure register_snapshot [2020-10-13 17:27:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure reregister_snapshot [2020-10-13 17:27:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_snapshot [2020-10-13 17:27:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_init [2020-10-13 17:27:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_exit [2020-10-13 17:27:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure exception_hash [2020-10-13 17:27:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure dm_remove_exception [2020-10-13 17:27:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure dm_lookup_exception [2020-10-13 17:27:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_completed_exception [2020-10-13 17:27:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure free_completed_exception [2020-10-13 17:27:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pending_exception [2020-10-13 17:27:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure free_pending_exception [2020-10-13 17:27:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure dm_insert_exception [2020-10-13 17:27:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure dm_add_exception [2020-10-13 17:27:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure __minimum_chunk_size [2020-10-13 17:27:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure calc_max_buckets [2020-10-13 17:27:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure init_hash_tables [2020-10-13 17:27:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure merge_shutdown [2020-10-13 17:27:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure __release_queued_bios_after_merge [2020-10-13 17:27:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure __remove_single_exception_chunk [2020-10-13 17:27:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure flush_bios [2020-10-13 17:27:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure remove_single_exception_chunk [2020-10-13 17:27:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure origin_write_extent [2020-10-13 17:27:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure merge_callback [2020-10-13 17:27:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure read_pending_exceptions_done_count [2020-10-13 17:27:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure increment_pending_exceptions_done_count [2020-10-13 17:27:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_next_chunks [2020-10-13 17:27:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-10-13 17:27:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure error_bios [2020-10-13 17:27:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-13 17:27:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure start_merge [2020-10-13 17:27:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure wait_schedule [2020-10-13 17:27:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure stop_merge [2020-10-13 17:27:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_ctr [2020-10-13 17:27:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure __free_exceptions [2020-10-13 17:27:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure __handover_exceptions [2020-10-13 17:27:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_dtr [2020-10-13 17:27:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure do_origin [2020-10-13 17:27:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure retry_origin_bios [2020-10-13 17:27:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure __invalidate_snapshot [2020-10-13 17:27:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 17:27:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure pending_complete [2020-10-13 17:27:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure commit_callback [2020-10-13 17:27:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure copy_callback [2020-10-13 17:27:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-13 17:27:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure start_copy [2020-10-13 17:27:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure full_bio_end_io [2020-10-13 17:27:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure start_full_bio [2020-10-13 17:27:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_pending_exception [2020-10-13 17:27:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure __find_pending_exception [2020-10-13 17:27:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-13 17:27:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure remap_exception [2020-10-13 17:27:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_map [2020-10-13 17:27:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_map [2020-10-13 17:27:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_end_io [2020-10-13 17:27:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_presuspend [2020-10-13 17:27:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_preresume [2020-10-13 17:27:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_resume [2020-10-13 17:27:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure get_origin_minimum_chunksize [2020-10-13 17:27:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_resume [2020-10-13 17:27:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_status [2020-10-13 17:27:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~status_type_t~0~X~$Pointer$~X~int~TO~int [2020-10-13 17:27:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_iterate_devices [2020-10-13 17:27:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2020-10-13 17:27:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure __origin_write [2020-10-13 17:27:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure origin_ctr [2020-10-13 17:27:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure origin_dtr [2020-10-13 17:27:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure origin_map [2020-10-13 17:27:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure origin_resume [2020-10-13 17:27:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure origin_status [2020-10-13 17:27:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure origin_merge [2020-10-13 17:27:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure origin_iterate_devices [2020-10-13 17:27:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snapshot_init [2020-10-13 17:27:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snapshot_exit [2020-10-13 17:27:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_origin_target_presuspend [2020-10-13 17:27:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_origin_target_postsuspend [2020-10-13 17:27:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_merge_target_postsuspend [2020-10-13 17:27:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 17:27:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_snapshot_target_postsuspend [2020-10-13 17:27:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 17:27:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_origin_target_preresume [2020-10-13 17:27:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_snapshot_target_presuspend [2020-10-13 17:27:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_4 [2020-10-13 17:27:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_5 [2020-10-13 17:27:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2020-10-13 17:27:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2020-10-13 17:27:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 17:27:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2020-10-13 17:27:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2020-10-13 17:27:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtouint [2020-10-13 17:27:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-10-13 17:27:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-10-13 17:27:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2020-10-13 17:27:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_20 [2020-10-13 17:27:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2020-10-13 17:27:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2020-10-13 17:27:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2020-10-13 17:27:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2020-10-13 17:27:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2020-10-13 17:27:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2020-10-13 17:27:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2020-10-13 17:27:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2020-10-13 17:27:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_register [2020-10-13 17:27:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_unregister [2020-10-13 17:27:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_set_chunk_size [2020-10-13 17:27:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure dm_persistent_snapshot_init [2020-10-13 17:27:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure dm_persistent_snapshot_exit [2020-10-13 17:27:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure dm_transient_snapshot_init [2020-10-13 17:27:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure dm_transient_snapshot_exit [2020-10-13 17:27:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2020-10-13 17:27:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2020-10-13 17:27:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2020-10-13 17:27:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2020-10-13 17:27:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure __find_exception_store_type [2020-10-13 17:27:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure _get_exception_store_type [2020-10-13 17:27:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure get_type [2020-10-13 17:27:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure put_type [2020-10-13 17:27:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure set_chunk_size [2020-10-13 17:27:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-13 17:27:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_34 [2020-10-13 17:27:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_30 [2020-10-13 17:27:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_32 [2020-10-13 17:27:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_35 [2020-10-13 17:27:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_29 [2020-10-13 17:27:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_31 [2020-10-13 17:27:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_33 [2020-10-13 17:27:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure transient_dtr [2020-10-13 17:27:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure transient_read_metadata [2020-10-13 17:27:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure transient_prepare_exception [2020-10-13 17:27:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure transient_commit_exception [2020-10-13 17:27:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2020-10-13 17:27:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure transient_usage [2020-10-13 17:27:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure transient_ctr [2020-10-13 17:27:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure transient_status [2020-10-13 17:27:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 17:27:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2020-10-13 17:27:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-13 17:27:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_48 [2020-10-13 17:27:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_44 [2020-10-13 17:27:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_46 [2020-10-13 17:27:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_49 [2020-10-13 17:27:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_43 [2020-10-13 17:27:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_45 [2020-10-13 17:27:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_47 [2020-10-13 17:27:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-13 17:27:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2020-10-13 17:27:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2020-10-13 17:27:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-13 17:27:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2020-10-13 17:27:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2020-10-13 17:27:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2020-10-13 17:27:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 17:27:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 17:27:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure dm_io_client_create [2020-10-13 17:27:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure dm_io_client_destroy [2020-10-13 17:27:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure dm_io [2020-10-13 17:27:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_area [2020-10-13 17:27:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure free_area [2020-10-13 17:27:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure do_metadata [2020-10-13 17:27:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_io [2020-10-13 17:27:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure area_location [2020-10-13 17:27:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure area_io [2020-10-13 17:27:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure zero_memory_area [2020-10-13 17:27:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 17:27:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure zero_disk_area [2020-10-13 17:27:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure read_header [2020-10-13 17:27:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure write_header [2020-10-13 17:27:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure get_exception [2020-10-13 17:27:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure read_exception [2020-10-13 17:27:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure write_exception [2020-10-13 17:27:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure clear_exception [2020-10-13 17:27:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure insert_exceptions [2020-10-13 17:27:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~chunk_t~0~X~~chunk_t~0~TO~int [2020-10-13 17:27:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure read_exceptions [2020-10-13 17:27:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure get_info [2020-10-13 17:27:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_usage [2020-10-13 17:27:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_dtr [2020-10-13 17:27:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_read_metadata [2020-10-13 17:27:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_exception [2020-10-13 17:27:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_exception [2020-10-13 17:27:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_merge [2020-10-13 17:27:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_merge [2020-10-13 17:27:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_drop_snapshot [2020-10-13 17:27:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_ctr [2020-10-13 17:27:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_status [2020-10-13 17:27:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 17:27:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 17:27:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-13 17:27:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-13 17:27:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-13 17:27:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-13 17:27:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-13 17:27:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-13 17:27:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-13 17:27:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-13 17:27:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-13 17:27:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-13 17:27:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-13 17:27:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-13 17:27:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-13 17:27:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-13 17:27:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 17:27:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-13 17:27:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 17:27:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 17:27:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 17:27:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 17:27:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 17:27:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 17:27:32,202 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 17:27:32,202 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 17:27:32,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:27:32 BoogieIcfgContainer [2020-10-13 17:27:32,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 17:27:32,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 17:27:32,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 17:27:32,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 17:27:32,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:27:12" (1/3) ... [2020-10-13 17:27:32,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47bda42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:27:32, skipping insertion in model container [2020-10-13 17:27:32,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:27:16" (2/3) ... [2020-10-13 17:27:32,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47bda42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:27:32, skipping insertion in model container [2020-10-13 17:27:32,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:27:32" (3/3) ... [2020-10-13 17:27:32,233 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--md--dm-snapshot.ko-main.cil.out.i [2020-10-13 17:27:32,244 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 17:27:32,257 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 17:27:32,271 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 17:27:32,302 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 17:27:32,302 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 17:27:32,302 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 17:27:32,302 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 17:27:32,302 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 17:27:32,302 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 17:27:32,302 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 17:27:32,302 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 17:27:32,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states. [2020-10-13 17:27:32,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-13 17:27:32,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:27:32,405 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] [2020-10-13 17:27:32,406 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:27:32,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:27:32,412 INFO L82 PathProgramCache]: Analyzing trace with hash 155855580, now seen corresponding path program 1 times [2020-10-13 17:27:32,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:27:32,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [164958541] [2020-10-13 17:27:32,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:27:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:27:33,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:27:33,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:27:34,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:27:38,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:27:38,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-13 17:27:38,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 17:27:38,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5440 [2020-10-13 17:27:38,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:27:38,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:27:38,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-13 17:27:38,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:27:38,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 17:27:44,948 WARN L193 SmtUtils]: Spent 5.95 s on a formula simplification that was a NOOP. DAG size: 1189 [2020-10-13 17:27:44,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:27:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:27:45,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:27:45,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:27:45,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:27:45,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:27:45,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 968 [2020-10-13 17:27:45,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:27:45,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:27:45,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:27:45,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:27:45,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:27:46,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:27:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:27:46,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:27:46,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:27:46,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:27:46,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:27:46,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 17:27:46,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:27:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:27:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:27:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:27:46,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:27:46,295 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-10-13 17:27:46,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 17:27:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:27:46,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:27:46,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:27:46,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:27:46,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-13 17:27:46,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:27:46,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-13 17:27:46,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:27:46,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:27:46,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:27:46,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:27:46,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:27:46,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:27:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:27:46,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:27:46,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:27:46,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:27:46,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 17:27:46,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:27:46,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-13 17:27:46,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:27:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:27:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:27:46,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:27:46,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:27:46,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:27:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:27:46,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:27:46,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:27:46,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:27:46,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 17:27:46,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:27:46,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-13 17:27:46,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:27:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:27:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:27:46,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:27:46,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:27:46,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:27:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:27:46,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:27:46,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:27:47,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:27:47,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 17:27:47,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:27:47,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-13 17:27:47,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:27:47,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:27:47,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:27:47,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:27:47,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:27:47,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:27:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:27:47,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:27:47,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:27:47,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 17:27:47,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:27:47,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 17:27:47,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:27:47,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:27:47,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:27:47,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:27:47,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:27:47,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:27:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:27:47,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:27:47,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:27:47,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:27:47,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:27:47,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:27:47,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:27:47,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:27:47,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:27:47,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:27:47,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:27:47,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 17:27:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:27:47,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:27:47,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:27:47,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 17:27:47,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:27:47,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 17:27:47,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:27:47,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:27:47,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:27:47,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:27:47,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:27:47,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 17:27:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:27:47,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:27:47,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:27:47,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 17:27:47,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:27:47,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:27:47,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:27:47,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:27:47,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:27:47,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:27:47,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:27:47,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:27:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:27:47,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:27:47,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:27:47,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:27:47,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:27:47,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:27:47,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:27:47,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:27:47,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:27:47,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:27:47,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:27:47,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:27:47,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [164958541] [2020-10-13 17:27:47,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:27:47,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 17:27:47,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425912055] [2020-10-13 17:27:47,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 17:27:47,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:27:47,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 17:27:47,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 17:27:47,348 INFO L87 Difference]: Start difference. First operand 2906 states. Second operand 6 states. [2020-10-13 17:28:17,909 WARN L193 SmtUtils]: Spent 5.64 s on a formula simplification that was a NOOP. DAG size: 1191 [2020-10-13 17:31:01,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:31:01,438 INFO L93 Difference]: Finished difference Result 9109 states and 13087 transitions. [2020-10-13 17:31:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 17:31:01,442 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2020-10-13 17:31:01,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:31:01,546 INFO L225 Difference]: With dead ends: 9109 [2020-10-13 17:31:01,546 INFO L226 Difference]: Without dead ends: 6420 [2020-10-13 17:31:01,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-13 17:31:01,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6420 states. [2020-10-13 17:31:03,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6420 to 2660. [2020-10-13 17:31:03,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2660 states. [2020-10-13 17:31:03,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 3576 transitions. [2020-10-13 17:31:03,933 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 3576 transitions. Word has length 79 [2020-10-13 17:31:03,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:31:03,935 INFO L479 AbstractCegarLoop]: Abstraction has 2660 states and 3576 transitions. [2020-10-13 17:31:03,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 17:31:03,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 3576 transitions. [2020-10-13 17:31:03,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-13 17:31:03,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:31:03,951 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] [2020-10-13 17:31:03,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 17:31:03,951 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:31:03,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:31:03,952 INFO L82 PathProgramCache]: Analyzing trace with hash 213113882, now seen corresponding path program 1 times [2020-10-13 17:31:03,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:31:03,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037535895] [2020-10-13 17:31:03,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:31:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:31:04,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:31:04,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:31:04,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking...