./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-thin-pool.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-thin-pool.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c3c9cd85dafb9d9b0916e103277bb89ec6f99d2bbc1d5523919dc9ef8faa3716 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:27:12,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:27:12,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:27:12,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:27:12,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:27:12,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:27:12,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:27:12,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:27:12,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:27:12,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:27:12,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:27:12,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:27:12,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:27:12,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:27:12,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:27:12,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:27:12,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:27:12,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:27:12,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:27:12,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:27:12,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:27:12,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:27:12,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:27:12,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:27:12,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:27:12,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:27:12,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:27:12,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:27:12,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:27:12,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:27:12,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:27:12,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:27:12,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:27:12,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:27:12,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:27:12,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:27:12,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:27:12,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:27:12,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:27:12,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:27:12,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:27:12,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:27:12,743 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:27:12,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:27:12,744 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:27:12,744 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:27:12,745 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:27:12,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:27:12,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:27:12,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:27:12,746 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:27:12,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:27:12,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:27:12,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:27:12,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:27:12,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:27:12,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:27:12,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:27:12,748 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:27:12,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:27:12,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:27:12,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:27:12,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:27:12,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:27:12,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:27:12,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:27:12,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:27:12,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:27:12,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:27:12,750 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:27:12,750 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:27:12,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:27:12,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3c9cd85dafb9d9b0916e103277bb89ec6f99d2bbc1d5523919dc9ef8faa3716 [2021-12-28 04:27:13,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:27:13,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:27:13,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:27:13,041 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:27:13,041 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:27:13,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-thin-pool.ko-entry_point.cil.out.i [2021-12-28 04:27:13,090 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb2d6df33/d319ab6c2f664d8e8d5eeb9361ba1894/FLAG4dfc82c99 [2021-12-28 04:27:13,813 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:27:13,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-thin-pool.ko-entry_point.cil.out.i [2021-12-28 04:27:13,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb2d6df33/d319ab6c2f664d8e8d5eeb9361ba1894/FLAG4dfc82c99 [2021-12-28 04:27:13,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb2d6df33/d319ab6c2f664d8e8d5eeb9361ba1894 [2021-12-28 04:27:13,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:27:13,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:27:13,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:27:13,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:27:13,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:27:13,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:27:13" (1/1) ... [2021-12-28 04:27:13,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eacce5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:13, skipping insertion in model container [2021-12-28 04:27:13,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:27:13" (1/1) ... [2021-12-28 04:27:13,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:27:14,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:27:16,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-thin-pool.ko-entry_point.cil.out.i[385213,385226] [2021-12-28 04:27:16,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:27:16,182 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:27:16,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-thin-pool.ko-entry_point.cil.out.i[385213,385226] [2021-12-28 04:27:16,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:27:16,958 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:27:16,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:16 WrapperNode [2021-12-28 04:27:16,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:27:16,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:27:16,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:27:16,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:27:16,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:16" (1/1) ... [2021-12-28 04:27:17,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:16" (1/1) ... [2021-12-28 04:27:17,400 INFO L137 Inliner]: procedures = 589, calls = 4483, calls flagged for inlining = 239, calls inlined = 236, statements flattened = 10651 [2021-12-28 04:27:17,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:27:17,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:27:17,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:27:17,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:27:17,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:16" (1/1) ... [2021-12-28 04:27:17,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:16" (1/1) ... [2021-12-28 04:27:17,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:16" (1/1) ... [2021-12-28 04:27:17,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:16" (1/1) ... [2021-12-28 04:27:17,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:16" (1/1) ... [2021-12-28 04:27:17,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:16" (1/1) ... [2021-12-28 04:27:17,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:16" (1/1) ... [2021-12-28 04:27:17,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:27:17,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:27:17,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:27:17,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:27:17,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:16" (1/1) ... [2021-12-28 04:27:17,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:27:17,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:27:17,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:27:17,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:27:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2021-12-28 04:27:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2021-12-28 04:27:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-28 04:27:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-28 04:27:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_entry_dec [2021-12-28 04:27:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_entry_dec [2021-12-28 04:27:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2021-12-28 04:27:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2021-12-28 04:27:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-28 04:27:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-28 04:27:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_root_size [2021-12-28 04:27:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_root_size [2021-12-28 04:27:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure noflush_work [2021-12-28 04:27:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure noflush_work [2021-12-28 04:27:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure throttle_lock [2021-12-28 04:27:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle_lock [2021-12-28 04:27:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2021-12-28 04:27:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2021-12-28 04:27:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2021-12-28 04:27:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2021-12-28 04:27:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:27:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:27:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure thin_preresume [2021-12-28 04:27:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_preresume [2021-12-28 04:27:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2021-12-28 04:27:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2021-12-28 04:27:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-28 04:27:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-28 04:27:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:27:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:27:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure throttle_work_update [2021-12-28 04:27:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle_work_update [2021-12-28 04:27:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_remove [2021-12-28 04:27:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_remove [2021-12-28 04:27:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure get_metadata_dev_size_in_blocks [2021-12-28 04:27:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure get_metadata_dev_size_in_blocks [2021-12-28 04:27:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure pool_features_init [2021-12-28 04:27:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_features_init [2021-12-28 04:27:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:27:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:27:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-28 04:27:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-28 04:27:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_external_copy [2021-12-28 04:27:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_external_copy [2021-12-28 04:27:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2021-12-28 04:27:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2021-12-28 04:27:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure __close_device [2021-12-28 04:27:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __close_device [2021-12-28 04:27:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure remap [2021-12-28 04:27:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure remap [2021-12-28 04:27:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-28 04:27:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-28 04:27:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-12-28 04:27:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-12-28 04:27:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure thin_get [2021-12-28 04:27:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_get [2021-12-28 04:27:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure blk_finish_plug [2021-12-28 04:27:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_finish_plug [2021-12-28 04:27:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure bdevname [2021-12-28 04:27:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure bdevname [2021-12-28 04:27:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure process_discard_bio [2021-12-28 04:27:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure process_discard_bio [2021-12-28 04:27:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:27:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:27:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_callbacks [2021-12-28 04:27:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_callbacks [2021-12-28 04:27:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_data_block [2021-12-28 04:27:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_data_block [2021-12-28 04:27:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure __pool_destroy [2021-12-28 04:27:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __pool_destroy [2021-12-28 04:27:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_entry_inc [2021-12-28 04:27:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_entry_inc [2021-12-28 04:27:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_get_metadata_dev_size [2021-12-28 04:27:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_get_metadata_dev_size [2021-12-28 04:27:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_plug [2021-12-28 04:27:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_plug [2021-12-28 04:27:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure cell_visit_release [2021-12-28 04:27:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_visit_release [2021-12-28 04:27:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:27:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:27:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2021-12-28 04:27:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2021-12-28 04:27:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure free_discard_mapping [2021-12-28 04:27:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure free_discard_mapping [2021-12-28 04:27:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_get_nr_free [2021-12-28 04:27:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_get_nr_free [2021-12-28 04:27:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_set_add_work [2021-12-28 04:27:17,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_set_add_work [2021-12-28 04:27:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure thin_put [2021-12-28 04:27:17,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_put [2021-12-28 04:27:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_metadata_needs_check [2021-12-28 04:27:17,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_metadata_needs_check [2021-12-28 04:27:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure dm_thin_find_block [2021-12-28 04:27:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_thin_find_block [2021-12-28 04:27:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure copy_sm_roots [2021-12-28 04:27:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_sm_roots [2021-12-28 04:27:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2021-12-28 04:27:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2021-12-28 04:27:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_create_non_blocking_clone [2021-12-28 04:27:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_create_non_blocking_clone [2021-12-28 04:27:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure thin_defer_bio [2021-12-28 04:27:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_defer_bio [2021-12-28 04:27:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-28 04:27:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-28 04:27:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_unlock [2021-12-28 04:27:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_unlock [2021-12-28 04:27:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:27:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:27:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure pool_resume_active_thins [2021-12-28 04:27:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_resume_active_thins [2021-12-28 04:27:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_client_destroy [2021-12-28 04:27:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_client_destroy [2021-12-28 04:27:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:27:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:27:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2021-12-28 04:27:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2021-12-28 04:27:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure thin_merge [2021-12-28 04:27:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_merge [2021-12-28 04:27:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:27:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_del [2021-12-28 04:27:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_del [2021-12-28 04:27:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_metadata_read_only [2021-12-28 04:27:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_metadata_read_only [2021-12-28 04:27:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-28 04:27:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-28 04:27:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:27:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:27:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure thin_io_hints [2021-12-28 04:27:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_io_hints [2021-12-28 04:27:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure pool_preresume [2021-12-28 04:27:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_preresume [2021-12-28 04:27:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure thin_status [2021-12-28 04:27:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_status [2021-12-28 04:27:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure warn_if_metadata_device_too_big [2021-12-28 04:27:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_if_metadata_device_too_big [2021-12-28 04:27:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure ll_zero [2021-12-28 04:27:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_zero [2021-12-28 04:27:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure dm_thin_remove_range [2021-12-28 04:27:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_thin_remove_range [2021-12-28 04:27:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2021-12-28 04:27:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2021-12-28 04:27:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:27:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure complete_mapping_preparation [2021-12-28 04:27:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_mapping_preparation [2021-12-28 04:27:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure inc_all_io_entry [2021-12-28 04:27:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_all_io_entry [2021-12-28 04:27:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:27:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:27:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:27:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure retry_bios_on_resume [2021-12-28 04:27:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_bios_on_resume [2021-12-28 04:27:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure to_delayed_work [2021-12-28 04:27:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure to_delayed_work [2021-12-28 04:27:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2021-12-28 04:27:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2021-12-28 04:27:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2021-12-28 04:27:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2021-12-28 04:27:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure should_error_unserviceable_bio [2021-12-28 04:27:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure should_error_unserviceable_bio [2021-12-28 04:27:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_mapping [2021-12-28 04:27:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_mapping [2021-12-28 04:27:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2021-12-28 04:27:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2021-12-28 04:27:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:27:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure thin_presuspend [2021-12-28 04:27:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_presuspend [2021-12-28 04:27:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure cell_error_with_code [2021-12-28 04:27:17,899 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_error_with_code [2021-12-28 04:27:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2021-12-28 04:27:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2021-12-28 04:27:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure thin_endio [2021-12-28 04:27:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_endio [2021-12-28 04:27:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure __pool_table_lookup [2021-12-28 04:27:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __pool_table_lookup [2021-12-28 04:27:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:27:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:27:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure pool_io_hints [2021-12-28 04:27:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_io_hints [2021-12-28 04:27:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure is_factor [2021-12-28 04:27:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure is_factor [2021-12-28 04:27:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-28 04:27:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-28 04:27:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:27:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:27:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure process_prepared [2021-12-28 04:27:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure process_prepared [2021-12-28 04:27:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure cell_requeue [2021-12-28 04:27:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_requeue [2021-12-28 04:27:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_get_data_dev_size [2021-12-28 04:27:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_get_data_dev_size [2021-12-28 04:27:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-28 04:27:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-28 04:27:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_copy_root [2021-12-28 04:27:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_copy_root [2021-12-28 04:27:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-28 04:27:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-28 04:27:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-12-28 04:27:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-12-28 04:27:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:27:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:27:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure break_sharing [2021-12-28 04:27:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure break_sharing [2021-12-28 04:27:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:27:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_metadata_close [2021-12-28 04:27:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_metadata_close [2021-12-28 04:27:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-28 04:27:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-28 04:27:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-28 04:27:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-28 04:27:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-28 04:27:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-28 04:27:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_thin [2021-12-28 04:27:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_thin [2021-12-28 04:27:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:27:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2021-12-28 04:27:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2021-12-28 04:27:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2021-12-28 04:27:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2021-12-28 04:27:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure do_no_space_timeout [2021-12-28 04:27:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure do_no_space_timeout [2021-12-28 04:27:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_from_per_bio_data [2021-12-28 04:27:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_from_per_bio_data [2021-12-28 04:27:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2021-12-28 04:27:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2021-12-28 04:27:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure pool_iterate_devices [2021-12-28 04:27:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_iterate_devices [2021-12-28 04:27:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-28 04:27:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-28 04:27:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2021-12-28 04:27:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2021-12-28 04:27:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:27:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:27:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure save_sm_roots [2021-12-28 04:27:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure save_sm_roots [2021-12-28 04:27:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure __complete_mapping_preparation [2021-12-28 04:27:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __complete_mapping_preparation [2021-12-28 04:27:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:27:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:27:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure error_retry_list [2021-12-28 04:27:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure error_retry_list [2021-12-28 04:27:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure process_prepared_discard_passdown [2021-12-28 04:27:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure process_prepared_discard_passdown [2021-12-28 04:27:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-28 04:27:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-28 04:27:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:27:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:27:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_empty [2021-12-28 04:27:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_empty [2021-12-28 04:27:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-28 04:27:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-28 04:27:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure to_noflush [2021-12-28 04:27:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure to_noflush [2021-12-28 04:27:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure block_to_sectors [2021-12-28 04:27:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure block_to_sectors [2021-12-28 04:27:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-28 04:27:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-28 04:27:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure pool_status [2021-12-28 04:27:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_status [2021-12-28 04:27:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_block_time [2021-12-28 04:27:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_block_time [2021-12-28 04:27:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure error_thin_bio_list [2021-12-28 04:27:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure error_thin_bio_list [2021-12-28 04:27:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2021-12-28 04:27:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2021-12-28 04:27:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:27:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:27:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:27:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:27:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure process_discard_cell_passdown [2021-12-28 04:27:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure process_discard_cell_passdown [2021-12-28 04:27:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure thin_defer_cell [2021-12-28 04:27:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_defer_cell [2021-12-28 04:27:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-28 04:27:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-28 04:27:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure copy_complete [2021-12-28 04:27:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_complete [2021-12-28 04:27:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-28 04:27:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-28 04:27:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure __resize_space_map [2021-12-28 04:27:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __resize_space_map [2021-12-28 04:27:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure pool_presuspend [2021-12-28 04:27:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_presuspend [2021-12-28 04:27:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure inc_remap_and_issue_cell [2021-12-28 04:27:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_remap_and_issue_cell [2021-12-28 04:27:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure pool_message [2021-12-28 04:27:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_message [2021-12-28 04:27:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:27:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:27:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure break_up_discard_bio [2021-12-28 04:27:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure break_up_discard_bio [2021-12-28 04:27:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure process_discard_cell_no_passdown [2021-12-28 04:27:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure process_discard_cell_no_passdown [2021-12-28 04:27:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_inc_block [2021-12-28 04:27:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_inc_block [2021-12-28 04:27:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_block_is_used [2021-12-28 04:27:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_block_is_used [2021-12-28 04:27:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:27:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:27:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2021-12-28 04:27:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2021-12-28 04:27:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2021-12-28 04:27:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2021-12-28 04:27:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2021-12-28 04:27:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2021-12-28 04:27:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_md [2021-12-28 04:27:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_md [2021-12-28 04:27:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure process_prepared_mapping [2021-12-28 04:27:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure process_prepared_mapping [2021-12-28 04:27:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:27:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:27:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:27:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:27:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure dm_per_bio_data [2021-12-28 04:27:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_per_bio_data [2021-12-28 04:27:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2021-12-28 04:27:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2021-12-28 04:27:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure process_thin_deferred_bios [2021-12-28 04:27:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure process_thin_deferred_bios [2021-12-28 04:27:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-28 04:27:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-28 04:27:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2021-12-28 04:27:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2021-12-28 04:27:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2021-12-28 04:27:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2021-12-28 04:27:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_issue_prefetches [2021-12-28 04:27:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_issue_prefetches [2021-12-28 04:27:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure thin_postsuspend [2021-12-28 04:27:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_postsuspend [2021-12-28 04:27:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure __process_bio_read_only [2021-12-28 04:27:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __process_bio_read_only [2021-12-28 04:27:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_bios [2021-12-28 04:27:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_bios [2021-12-28 04:27:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure thin_map [2021-12-28 04:27:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_map [2021-12-28 04:27:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure pool_presuspend_undo [2021-12-28 04:27:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_presuspend_undo [2021-12-28 04:27:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:27:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:27:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:27:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:27:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-28 04:27:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-28 04:27:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure process_prepared_discard_no_passdown [2021-12-28 04:27:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure process_prepared_discard_no_passdown [2021-12-28 04:27:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure __begin_transaction [2021-12-28 04:27:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __begin_transaction [2021-12-28 04:27:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure pool_postsuspend [2021-12-28 04:27:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_postsuspend [2021-12-28 04:27:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:27:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:27:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:27:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:27:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2021-12-28 04:27:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2021-12-28 04:27:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_resize_metadata_dev [2021-12-28 04:27:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_resize_metadata_dev [2021-12-28 04:27:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure __open_device [2021-12-28 04:27:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_device [2021-12-28 04:27:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_destroy [2021-12-28 04:27:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_destroy [2021-12-28 04:27:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-28 04:27:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-28 04:27:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_29 [2021-12-28 04:27:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_29 [2021-12-28 04:27:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2021-12-28 04:27:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2021-12-28 04:27:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2021-12-28 04:27:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2021-12-28 04:27:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put [2021-12-28 04:27:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put [2021-12-28 04:27:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:27:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:27:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:27:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_dec [2021-12-28 04:27:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_dec [2021-12-28 04:27:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-28 04:27:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-28 04:27:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure build_virtual_key [2021-12-28 04:27:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure build_virtual_key [2021-12-28 04:27:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:27:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_inc [2021-12-28 04:27:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_inc [2021-12-28 04:27:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2021-12-28 04:27:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2021-12-28 04:27:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_block_t~0~TO~int [2021-12-28 04:27:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_block_t~0~TO~int [2021-12-28 04:27:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-28 04:27:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-28 04:27:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-28 04:27:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-28 04:27:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_close_thin_device [2021-12-28 04:27:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_close_thin_device [2021-12-28 04:27:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure set_pool_mode [2021-12-28 04:27:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pool_mode [2021-12-28 04:27:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2021-12-28 04:27:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2021-12-28 04:27:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_resize_data_dev [2021-12-28 04:27:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_resize_data_dev [2021-12-28 04:27:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2021-12-28 04:27:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2021-12-28 04:27:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure read_dev_id [2021-12-28 04:27:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure read_dev_id [2021-12-28 04:27:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:27:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_33 [2021-12-28 04:27:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_33 [2021-12-28 04:27:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2021-12-28 04:27:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2021-12-28 04:27:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_and_issue [2021-12-28 04:27:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_and_issue [2021-12-28 04:27:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_commit [2021-12-28 04:27:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_commit [2021-12-28 04:27:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-28 04:27:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-28 04:27:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure __merge_bio_list [2021-12-28 04:27:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __merge_bio_list [2021-12-28 04:27:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 04:27:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 04:27:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_dec_block [2021-12-28 04:27:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_dec_block [2021-12-28 04:27:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure pool_dtr [2021-12-28 04:27:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_dtr [2021-12-28 04:27:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure get_first_thin [2021-12-28 04:27:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure get_first_thin [2021-12-28 04:27:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:27:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:27:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2021-12-28 04:27:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2021-12-28 04:27:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_commit_metadata [2021-12-28 04:27:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_commit_metadata [2021-12-28 04:27:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2021-12-28 04:27:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2021-12-28 04:27:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-28 04:27:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-28 04:27:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure get_pool_mode [2021-12-28 04:27:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pool_mode [2021-12-28 04:27:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure notify_of_pool_mode_change [2021-12-28 04:27:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_of_pool_mode_change [2021-12-28 04:27:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2021-12-28 04:27:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2021-12-28 04:27:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-28 04:27:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-28 04:27:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure remap_and_issue_overwrite [2021-12-28 04:27:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_and_issue_overwrite [2021-12-28 04:27:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_insert [2021-12-28 04:27:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_insert [2021-12-28 04:27:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2021-12-28 04:27:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2021-12-28 04:27:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure throttle_unlock [2021-12-28 04:27:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle_unlock [2021-12-28 04:27:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure io_overwrites_block [2021-12-28 04:27:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure io_overwrites_block [2021-12-28 04:27:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure build_data_key [2021-12-28 04:27:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure build_data_key [2021-12-28 04:27:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2021-12-28 04:27:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2021-12-28 04:27:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure process_bio [2021-12-28 04:27:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure process_bio [2021-12-28 04:27:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_set_create [2021-12-28 04:27:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_set_create [2021-12-28 04:27:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure zero_fill_bio [2021-12-28 04:27:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_fill_bio [2021-12-28 04:27:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure thin_iterate_devices [2021-12-28 04:27:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_iterate_devices [2021-12-28 04:27:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2021-12-28 04:27:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2021-12-28 04:27:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure provision_block [2021-12-28 04:27:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure provision_block [2021-12-28 04:27:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:27:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:27:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure __open_metadata [2021-12-28 04:27:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_metadata [2021-12-28 04:27:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2021-12-28 04:27:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2021-12-28 04:27:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure issue_discard [2021-12-28 04:27:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_discard [2021-12-28 04:27:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure dm_device_name [2021-12-28 04:27:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_device_name [2021-12-28 04:27:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:27:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:27:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2021-12-28 04:27:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2021-12-28 04:27:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-28 04:27:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-28 04:27:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:27:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure remap_and_issue_shared_cell [2021-12-28 04:27:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_and_issue_shared_cell [2021-12-28 04:27:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_zero [2021-12-28 04:27:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_zero [2021-12-28 04:27:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_btree_details [2021-12-28 04:27:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_btree_details [2021-12-28 04:27:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:27:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:27:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_get_free_block_count [2021-12-28 04:27:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_get_free_block_count [2021-12-28 04:27:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure pool_map [2021-12-28 04:27:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_map [2021-12-28 04:27:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure __commit_transaction [2021-12-28 04:27:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __commit_transaction [2021-12-28 04:27:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_lookup [2021-12-28 04:27:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_lookup [2021-12-28 04:27:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:27:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:27:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure error_bio_list [2021-12-28 04:27:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure error_bio_list [2021-12-28 04:27:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure pool_work_complete [2021-12-28 04:27:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_work_complete [2021-12-28 04:27:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer_no_holder [2021-12-28 04:27:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer_no_holder [2021-12-28 04:27:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2021-12-28 04:27:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2021-12-28 04:27:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure retry_on_resume [2021-12-28 04:27:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_on_resume [2021-12-28 04:27:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-28 04:27:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-28 04:27:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure pool_merge [2021-12-28 04:27:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_merge [2021-12-28 04:27:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure cell_error [2021-12-28 04:27:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_error [2021-12-28 04:27:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-28 04:27:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-28 04:27:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2021-12-28 04:27:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2021-12-28 04:27:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_abort_metadata [2021-12-28 04:27:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_abort_metadata [2021-12-28 04:27:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-12-28 04:27:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-12-28 04:27:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure __pool_inc [2021-12-28 04:27:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __pool_inc [2021-12-28 04:27:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2021-12-28 04:27:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2021-12-28 04:27:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure check_arg_count [2021-12-28 04:27:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure check_arg_count [2021-12-28 04:27:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_get_nr_blocks [2021-12-28 04:27:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_get_nr_blocks [2021-12-28 04:27:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure remap_and_issue [2021-12-28 04:27:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_and_issue [2021-12-28 04:27:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-28 04:27:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-28 04:27:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2021-12-28 04:27:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2021-12-28 04:27:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure __pool_dec [2021-12-28 04:27:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __pool_dec [2021-12-28 04:27:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_set_destroy [2021-12-28 04:27:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_set_destroy [2021-12-28 04:27:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure process_shared_bio [2021-12-28 04:27:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure process_shared_bio [2021-12-28 04:27:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-28 04:27:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-28 04:27:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2021-12-28 04:27:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2021-12-28 04:27:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-28 04:27:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-28 04:27:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure thin_dtr [2021-12-28 04:27:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_dtr [2021-12-28 04:27:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2021-12-28 04:27:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure __write_initial_superblock [2021-12-28 04:27:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __write_initial_superblock [2021-12-28 04:27:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2021-12-28 04:27:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2021-12-28 04:27:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_next_mapping [2021-12-28 04:27:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_next_mapping [2021-12-28 04:27:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2021-12-28 04:27:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2021-12-28 04:27:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure handle_unserviceable_bio [2021-12-28 04:27:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_unserviceable_bio [2021-12-28 04:27:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:27:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:27:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2021-12-28 04:27:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2021-12-28 04:27:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_copy [2021-12-28 04:27:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_copy [2021-12-28 04:27:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-28 04:27:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-28 04:27:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:27:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-28 04:27:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-28 04:27:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2021-12-28 04:27:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2021-12-28 04:27:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-28 04:27:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-28 04:27:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2021-12-28 04:27:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2021-12-28 04:27:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2021-12-28 04:27:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2021-12-28 04:27:17,996 INFO L130 BoogieDeclarations]: Found specification of procedure process_thin_deferred_cells [2021-12-28 04:27:17,996 INFO L138 BoogieDeclarations]: Found implementation of procedure process_thin_deferred_cells [2021-12-28 04:27:17,996 INFO L130 BoogieDeclarations]: Found specification of procedure pool_resume [2021-12-28 04:27:17,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_resume [2021-12-28 04:27:19,034 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:27:19,037 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:27:19,312 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:27:28,507 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:27:28,533 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:27:28,533 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:27:28,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:27:28 BoogieIcfgContainer [2021-12-28 04:27:28,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:27:28,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:27:28,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:27:28,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:27:28,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:27:13" (1/3) ... [2021-12-28 04:27:28,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14bad35a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:27:28, skipping insertion in model container [2021-12-28 04:27:28,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:16" (2/3) ... [2021-12-28 04:27:28,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14bad35a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:27:28, skipping insertion in model container [2021-12-28 04:27:28,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:27:28" (3/3) ... [2021-12-28 04:27:28,547 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-thin-pool.ko-entry_point.cil.out.i [2021-12-28 04:27:28,550 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:27:28,551 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:27:28,598 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:27:28,604 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:27:28,605 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:27:28,674 INFO L276 IsEmpty]: Start isEmpty. Operand has 4314 states, 2816 states have (on average 1.3014914772727273) internal successors, (3665), 2931 states have internal predecessors, (3665), 1212 states have call successors, (1212), 285 states have call predecessors, (1212), 284 states have return successors, (1204), 1166 states have call predecessors, (1204), 1204 states have call successors, (1204) [2021-12-28 04:27:28,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2021-12-28 04:27:28,810 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:27:28,811 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:27:28,811 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:27:28,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:27:28,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1169478115, now seen corresponding path program 1 times [2021-12-28 04:27:28,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:27:28,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651973933] [2021-12-28 04:27:28,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:27:28,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:27:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:27:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:27:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:27:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:27:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:27:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:27:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:27:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:27:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:27:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:27:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:27:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:27:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 04:27:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-28 04:27:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 04:27:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-28 04:27:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-28 04:27:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:29,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-28 04:27:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-28 04:27:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-28 04:27:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-28 04:27:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-28 04:27:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-28 04:27:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-28 04:27:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-28 04:27:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-28 04:27:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-28 04:27:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-28 04:27:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-28 04:27:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-28 04:27:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2021-12-28 04:27:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:30,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2021-12-28 04:27:30,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:27:30,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651973933] [2021-12-28 04:27:30,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651973933] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:27:30,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:27:30,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:27:30,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391402681] [2021-12-28 04:27:30,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:27:30,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:27:30,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:27:30,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:27:30,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:27:30,325 INFO L87 Difference]: Start difference. First operand has 4314 states, 2816 states have (on average 1.3014914772727273) internal successors, (3665), 2931 states have internal predecessors, (3665), 1212 states have call successors, (1212), 285 states have call predecessors, (1212), 284 states have return successors, (1204), 1166 states have call predecessors, (1204), 1204 states have call successors, (1204) Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (37), 5 states have call predecessors, (37), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-28 04:27:39,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:27:41,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:27:44,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:27:48,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:27:50,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:27:52,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:27:55,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:27:55,762 INFO L93 Difference]: Finished difference Result 9595 states and 14257 transitions. [2021-12-28 04:27:55,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 04:27:55,765 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (37), 5 states have call predecessors, (37), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 439 [2021-12-28 04:27:55,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:27:55,822 INFO L225 Difference]: With dead ends: 9595 [2021-12-28 04:27:55,822 INFO L226 Difference]: Without dead ends: 5252 [2021-12-28 04:27:55,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:27:55,855 INFO L933 BasicCegarLoop]: 5571 mSDtfsCounter, 3127 mSDsluCounter, 6489 mSDsCounter, 0 mSdLazyCounter, 5859 mSolverCounterSat, 3440 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3302 SdHoareTripleChecker+Valid, 12060 SdHoareTripleChecker+Invalid, 9305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3440 IncrementalHoareTripleChecker+Valid, 5859 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:27:55,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3302 Valid, 12060 Invalid, 9305 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3440 Valid, 5859 Invalid, 6 Unknown, 0 Unchecked, 24.7s Time] [2021-12-28 04:27:55,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5252 states. [2021-12-28 04:27:56,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5252 to 4281. [2021-12-28 04:27:56,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 2795 states have (on average 1.295169946332737) internal successors, (3620), 2900 states have internal predecessors, (3620), 1202 states have call successors, (1202), 284 states have call predecessors, (1202), 283 states have return successors, (1201), 1163 states have call predecessors, (1201), 1201 states have call successors, (1201) [2021-12-28 04:27:56,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 6023 transitions. [2021-12-28 04:27:56,141 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 6023 transitions. Word has length 439 [2021-12-28 04:27:56,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:27:56,141 INFO L470 AbstractCegarLoop]: Abstraction has 4281 states and 6023 transitions. [2021-12-28 04:27:56,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (37), 5 states have call predecessors, (37), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-28 04:27:56,142 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 6023 transitions. [2021-12-28 04:27:56,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2021-12-28 04:27:56,148 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:27:56,149 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:27:56,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:27:56,149 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:27:56,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:27:56,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1026393603, now seen corresponding path program 1 times [2021-12-28 04:27:56,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:27:56,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697251547] [2021-12-28 04:27:56,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:27:56,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:27:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:27:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:27:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:27:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:27:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:27:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:27:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:27:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:27:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:27:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:27:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:27:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:27:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 04:27:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-28 04:27:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 04:27:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-28 04:27:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-28 04:27:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-28 04:27:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-28 04:27:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-28 04:27:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-28 04:27:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-28 04:27:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-28 04:27:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-28 04:27:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-28 04:27:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-28 04:27:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-28 04:27:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-28 04:27:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-28 04:27:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-28 04:27:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2021-12-28 04:27:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:56,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2021-12-28 04:27:56,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:27:56,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697251547] [2021-12-28 04:27:56,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697251547] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:27:56,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:27:56,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:27:56,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569673019] [2021-12-28 04:27:56,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:27:56,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:27:56,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:27:56,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:27:56,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:27:56,974 INFO L87 Difference]: Start difference. First operand 4281 states and 6023 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-28 04:27:58,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:28:08,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:28:17,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []