./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-cache.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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-cache.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 1742c34f7a214b263d92b02d9484c07ad1ab106a7adf554dae38d13e5f5f8336 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:28:48,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:28:48,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:28:48,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:28:48,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:28:48,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:28:48,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:28:48,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:28:48,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:28:48,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:28:48,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:28:48,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:28:48,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:28:48,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:28:48,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:28:48,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:28:48,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:28:48,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:28:48,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:28:48,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:28:48,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:28:48,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:28:48,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:28:48,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:28:48,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:28:48,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:28:48,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:28:48,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:28:48,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:28:48,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:28:48,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:28:48,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:28:48,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:28:48,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:28:48,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:28:48,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:28:48,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:28:48,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:28:48,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:28:48,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:28:48,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:28:48,824 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:28:48,851 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:28:48,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:28:48,851 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:28:48,852 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:28:48,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:28:48,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:28:48,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:28:48,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:28:48,853 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:28:48,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:28:48,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:28:48,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:28:48,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:28:48,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:28:48,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:28:48,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:28:48,855 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:28:48,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:28:48,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:28:48,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:28:48,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:28:48,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:28:48,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:28:48,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:28:48,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:28:48,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:28:48,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:28:48,857 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:28:48,857 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:28:48,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:28:48,857 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:28:48,857 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1742c34f7a214b263d92b02d9484c07ad1ab106a7adf554dae38d13e5f5f8336 [2021-12-16 04:28:49,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:28:49,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:28:49,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:28:49,073 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:28:49,073 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:28:49,074 INFO L432 ainManager$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-cache.ko-entry_point.cil.out.i [2021-12-16 04:28:49,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1ab600a4/992371bf4925480f9feb4267fa42dfb4/FLAGf7557705d [2021-12-16 04:28:49,833 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:28:49,834 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-cache.ko-entry_point.cil.out.i [2021-12-16 04:28:49,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1ab600a4/992371bf4925480f9feb4267fa42dfb4/FLAGf7557705d [2021-12-16 04:28:50,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1ab600a4/992371bf4925480f9feb4267fa42dfb4 [2021-12-16 04:28:50,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:28:50,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:28:50,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:28:50,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:28:50,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:28:50,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:28:50" (1/1) ... [2021-12-16 04:28:50,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c3b1505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:28:50, skipping insertion in model container [2021-12-16 04:28:50,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:28:50" (1/1) ... [2021-12-16 04:28:50,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:28:50,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:28:53,528 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-cache.ko-entry_point.cil.out.i[374730,374743] [2021-12-16 04:28:53,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:28:53,641 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:28:54,121 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-cache.ko-entry_point.cil.out.i[374730,374743] [2021-12-16 04:28:54,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:28:54,432 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:28:54,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:28:54 WrapperNode [2021-12-16 04:28:54,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:28:54,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:28:54,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:28:54,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:28:54,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:28:54" (1/1) ... [2021-12-16 04:28:54,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:28:54" (1/1) ... [2021-12-16 04:28:54,926 INFO L137 Inliner]: procedures = 598, calls = 3919, calls flagged for inlining = 265, calls inlined = 256, statements flattened = 9657 [2021-12-16 04:28:54,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:28:54,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:28:54,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:28:54,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:28:54,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:28:54" (1/1) ... [2021-12-16 04:28:54,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:28:54" (1/1) ... [2021-12-16 04:28:55,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:28:54" (1/1) ... [2021-12-16 04:28:55,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:28:54" (1/1) ... [2021-12-16 04:28:55,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:28:54" (1/1) ... [2021-12-16 04:28:55,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:28:54" (1/1) ... [2021-12-16 04:28:55,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:28:54" (1/1) ... [2021-12-16 04:28:55,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:28:55,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:28:55,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:28:55,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:28:55,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:28:54" (1/1) ... [2021-12-16 04:28:55,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:28:55,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:28:55,396 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) [2021-12-16 04:28:55,457 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 [2021-12-16 04:28:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2021-12-16 04:28:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2021-12-16 04:28:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2021-12-16 04:28:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2021-12-16 04:28:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-16 04:28:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-16 04:28:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2021-12-16 04:28:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2021-12-16 04:28:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-16 04:28:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-16 04:28:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2021-12-16 04:28:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2021-12-16 04:28:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2021-12-16 04:28:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2021-12-16 04:28:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-16 04:28:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2021-12-16 04:28:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2021-12-16 04:28:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2021-12-16 04:28:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2021-12-16 04:28:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2021-12-16 04:28:55,485 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2021-12-16 04:28:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:28:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:28:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2021-12-16 04:28:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2021-12-16 04:28:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2021-12-16 04:28:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2021-12-16 04:28:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2021-12-16 04:28:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2021-12-16 04:28:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-16 04:28:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-16 04:28:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2021-12-16 04:28:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2021-12-16 04:28:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-16 04:28:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-16 04:28:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2021-12-16 04:28:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2021-12-16 04:28:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:28:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:28:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2021-12-16 04:28:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2021-12-16 04:28:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2021-12-16 04:28:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2021-12-16 04:28:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-16 04:28:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-16 04:28:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2021-12-16 04:28:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2021-12-16 04:28:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2021-12-16 04:28:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2021-12-16 04:28:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2021-12-16 04:28:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-16 04:28:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-16 04:28:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-16 04:28:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-16 04:28:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2021-12-16 04:28:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2021-12-16 04:28:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2021-12-16 04:28:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2021-12-16 04:28:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:28:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:28:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2021-12-16 04:28:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2021-12-16 04:28:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2021-12-16 04:28:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2021-12-16 04:28:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 04:28:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 04:28:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2021-12-16 04:28:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2021-12-16 04:28:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2021-12-16 04:28:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2021-12-16 04:28:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2021-12-16 04:28:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2021-12-16 04:28:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2021-12-16 04:28:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2021-12-16 04:28:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2021-12-16 04:28:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2021-12-16 04:28:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2021-12-16 04:28:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2021-12-16 04:28:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:28:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:28:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2021-12-16 04:28:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2021-12-16 04:28:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2021-12-16 04:28:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2021-12-16 04:28:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2021-12-16 04:28:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2021-12-16 04:28:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2021-12-16 04:28:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2021-12-16 04:28:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2021-12-16 04:28:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2021-12-16 04:28:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-16 04:28:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-16 04:28:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-16 04:28:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2021-12-16 04:28:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2021-12-16 04:28:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2021-12-16 04:28:55,497 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2021-12-16 04:28:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:28:55,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:28:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:28:55,498 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:28:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2021-12-16 04:28:55,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2021-12-16 04:28:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:28:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2021-12-16 04:28:55,499 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2021-12-16 04:28:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2021-12-16 04:28:55,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2021-12-16 04:28:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 04:28:55,509 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 04:28:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2021-12-16 04:28:55,509 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2021-12-16 04:28:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2021-12-16 04:28:55,510 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2021-12-16 04:28:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-16 04:28:55,510 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-16 04:28:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2021-12-16 04:28:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2021-12-16 04:28:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:28:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2021-12-16 04:28:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2021-12-16 04:28:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2021-12-16 04:28:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2021-12-16 04:28:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 04:28:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 04:28:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2021-12-16 04:28:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2021-12-16 04:28:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2021-12-16 04:28:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2021-12-16 04:28:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:28:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2021-12-16 04:28:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2021-12-16 04:28:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2021-12-16 04:28:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2021-12-16 04:28:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2021-12-16 04:28:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2021-12-16 04:28:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2021-12-16 04:28:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2021-12-16 04:28:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:28:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2021-12-16 04:28:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2021-12-16 04:28:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2021-12-16 04:28:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2021-12-16 04:28:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:28:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:28:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2021-12-16 04:28:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2021-12-16 04:28:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2021-12-16 04:28:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2021-12-16 04:28:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-16 04:28:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-16 04:28:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2021-12-16 04:28:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2021-12-16 04:28:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-16 04:28:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-16 04:28:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2021-12-16 04:28:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2021-12-16 04:28:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2021-12-16 04:28:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2021-12-16 04:28:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-16 04:28:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-16 04:28:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2021-12-16 04:28:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2021-12-16 04:28:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2021-12-16 04:28:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2021-12-16 04:28:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:28:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:28:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2021-12-16 04:28:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2021-12-16 04:28:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2021-12-16 04:28:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2021-12-16 04:28:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2021-12-16 04:28:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2021-12-16 04:28:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:28:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-16 04:28:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-16 04:28:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-16 04:28:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2021-12-16 04:28:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2021-12-16 04:28:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-16 04:28:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-16 04:28:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:28:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2021-12-16 04:28:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2021-12-16 04:28:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2021-12-16 04:28:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2021-12-16 04:28:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2021-12-16 04:28:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2021-12-16 04:28:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:28:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:28:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:28:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2021-12-16 04:28:55,527 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2021-12-16 04:28:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-16 04:28:55,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-16 04:28:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2021-12-16 04:28:55,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2021-12-16 04:28:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2021-12-16 04:28:55,528 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2021-12-16 04:28:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2021-12-16 04:28:55,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2021-12-16 04:28:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-16 04:28:55,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-16 04:28:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2021-12-16 04:28:55,528 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2021-12-16 04:28:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2021-12-16 04:28:55,528 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2021-12-16 04:28:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-16 04:28:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-16 04:28:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2021-12-16 04:28:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2021-12-16 04:28:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2021-12-16 04:28:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2021-12-16 04:28:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-16 04:28:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-16 04:28:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2021-12-16 04:28:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2021-12-16 04:28:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2021-12-16 04:28:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2021-12-16 04:28:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2021-12-16 04:28:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2021-12-16 04:28:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2021-12-16 04:28:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2021-12-16 04:28:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2021-12-16 04:28:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2021-12-16 04:28:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-16 04:28:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-16 04:28:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2021-12-16 04:28:55,531 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2021-12-16 04:28:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-16 04:28:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-16 04:28:55,539 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 04:28:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 04:28:55,539 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2021-12-16 04:28:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2021-12-16 04:28:55,539 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2021-12-16 04:28:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2021-12-16 04:28:55,539 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2021-12-16 04:28:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2021-12-16 04:28:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2021-12-16 04:28:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2021-12-16 04:28:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-16 04:28:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-16 04:28:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2021-12-16 04:28:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2021-12-16 04:28:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:28:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:28:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2021-12-16 04:28:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2021-12-16 04:28:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-16 04:28:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-16 04:28:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2021-12-16 04:28:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2021-12-16 04:28:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2021-12-16 04:28:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2021-12-16 04:28:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2021-12-16 04:28:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2021-12-16 04:28:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2021-12-16 04:28:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2021-12-16 04:28:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2021-12-16 04:28:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2021-12-16 04:28:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2021-12-16 04:28:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2021-12-16 04:28:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:28:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:28:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:28:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:28:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2021-12-16 04:28:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2021-12-16 04:28:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2021-12-16 04:28:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2021-12-16 04:28:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2021-12-16 04:28:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2021-12-16 04:28:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2021-12-16 04:28:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2021-12-16 04:28:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2021-12-16 04:28:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2021-12-16 04:28:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2021-12-16 04:28:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2021-12-16 04:28:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2021-12-16 04:28:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2021-12-16 04:28:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2021-12-16 04:28:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2021-12-16 04:28:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2021-12-16 04:28:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2021-12-16 04:28:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2021-12-16 04:28:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2021-12-16 04:28:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2021-12-16 04:28:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2021-12-16 04:28:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2021-12-16 04:28:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2021-12-16 04:28:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:28:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:28:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2021-12-16 04:28:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2021-12-16 04:28:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:28:55,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:28:55,543 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-16 04:28:55,543 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-16 04:28:55,543 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2021-12-16 04:28:55,543 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2021-12-16 04:28:55,543 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-16 04:28:55,587 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-16 04:28:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:28:55,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:28:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2021-12-16 04:28:55,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2021-12-16 04:28:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:28:55,587 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:28:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2021-12-16 04:28:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2021-12-16 04:28:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2021-12-16 04:28:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2021-12-16 04:28:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2021-12-16 04:28:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2021-12-16 04:28:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2021-12-16 04:28:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2021-12-16 04:28:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-16 04:28:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-16 04:28:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2021-12-16 04:28:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2021-12-16 04:28:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2021-12-16 04:28:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2021-12-16 04:28:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2021-12-16 04:28:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2021-12-16 04:28:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2021-12-16 04:28:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2021-12-16 04:28:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:28:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 04:28:55,588 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 04:28:55,588 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-16 04:28:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-16 04:28:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2021-12-16 04:28:55,589 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2021-12-16 04:28:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:28:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2021-12-16 04:28:55,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2021-12-16 04:28:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-16 04:28:55,611 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-16 04:28:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_32 [2021-12-16 04:28:55,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_32 [2021-12-16 04:28:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-16 04:28:55,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-16 04:28:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2021-12-16 04:28:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2021-12-16 04:28:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2021-12-16 04:28:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2021-12-16 04:28:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-16 04:28:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-16 04:28:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2021-12-16 04:28:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2021-12-16 04:28:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2021-12-16 04:28:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2021-12-16 04:28:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2021-12-16 04:28:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2021-12-16 04:28:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:28:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2021-12-16 04:28:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2021-12-16 04:28:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_31 [2021-12-16 04:28:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_31 [2021-12-16 04:28:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2021-12-16 04:28:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2021-12-16 04:28:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 04:28:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 04:28:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-16 04:28:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-16 04:28:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2021-12-16 04:28:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2021-12-16 04:28:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-16 04:28:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-16 04:28:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-16 04:28:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-16 04:28:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2021-12-16 04:28:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2021-12-16 04:28:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2021-12-16 04:28:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2021-12-16 04:28:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2021-12-16 04:28:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2021-12-16 04:28:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-16 04:28:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-16 04:28:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-16 04:28:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-16 04:28:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2021-12-16 04:28:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2021-12-16 04:28:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2021-12-16 04:28:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2021-12-16 04:28:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2021-12-16 04:28:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2021-12-16 04:28:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2021-12-16 04:28:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2021-12-16 04:28:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2021-12-16 04:28:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2021-12-16 04:28:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-16 04:28:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-16 04:28:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2021-12-16 04:28:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2021-12-16 04:28:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2021-12-16 04:28:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2021-12-16 04:28:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-16 04:28:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-16 04:28:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2021-12-16 04:28:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2021-12-16 04:28:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2021-12-16 04:28:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2021-12-16 04:28:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2021-12-16 04:28:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2021-12-16 04:28:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2021-12-16 04:28:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2021-12-16 04:28:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2021-12-16 04:28:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2021-12-16 04:28:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2021-12-16 04:28:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2021-12-16 04:28:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2021-12-16 04:28:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2021-12-16 04:28:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 04:28:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 04:28:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2021-12-16 04:28:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2021-12-16 04:28:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2021-12-16 04:28:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:28:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:28:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2021-12-16 04:28:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2021-12-16 04:28:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:28:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2021-12-16 04:28:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2021-12-16 04:28:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2021-12-16 04:28:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2021-12-16 04:28:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:28:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:28:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2021-12-16 04:28:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2021-12-16 04:28:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:28:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:28:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2021-12-16 04:28:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2021-12-16 04:28:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2021-12-16 04:28:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2021-12-16 04:28:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-16 04:28:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-16 04:28:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2021-12-16 04:28:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2021-12-16 04:28:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2021-12-16 04:28:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2021-12-16 04:28:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2021-12-16 04:28:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2021-12-16 04:28:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2021-12-16 04:28:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2021-12-16 04:28:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2021-12-16 04:28:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2021-12-16 04:28:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-12-16 04:28:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-12-16 04:28:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2021-12-16 04:28:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2021-12-16 04:28:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2021-12-16 04:28:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2021-12-16 04:28:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-16 04:28:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-16 04:28:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2021-12-16 04:28:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2021-12-16 04:28:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2021-12-16 04:28:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2021-12-16 04:28:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-16 04:28:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-16 04:28:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2021-12-16 04:28:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2021-12-16 04:28:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2021-12-16 04:28:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2021-12-16 04:28:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2021-12-16 04:28:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2021-12-16 04:28:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-16 04:28:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-16 04:28:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2021-12-16 04:28:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2021-12-16 04:28:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-16 04:28:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-16 04:28:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2021-12-16 04:28:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2021-12-16 04:28:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2021-12-16 04:28:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2021-12-16 04:28:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2021-12-16 04:28:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2021-12-16 04:28:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2021-12-16 04:28:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2021-12-16 04:28:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2021-12-16 04:28:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2021-12-16 04:28:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2021-12-16 04:28:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2021-12-16 04:28:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2021-12-16 04:28:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2021-12-16 04:28:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2021-12-16 04:28:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 04:28:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 04:28:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:28:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:28:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2021-12-16 04:28:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2021-12-16 04:28:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2021-12-16 04:28:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2021-12-16 04:28:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2021-12-16 04:28:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2021-12-16 04:28:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2021-12-16 04:28:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2021-12-16 04:28:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:28:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2021-12-16 04:28:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2021-12-16 04:28:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2021-12-16 04:28:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2021-12-16 04:28:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2021-12-16 04:28:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2021-12-16 04:28:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-16 04:28:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-16 04:28:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-16 04:28:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2021-12-16 04:28:55,724 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2021-12-16 04:28:56,856 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:28:56,860 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:28:57,757 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:29:03,704 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:29:03,730 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:29:03,730 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:29:03,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:29:03 BoogieIcfgContainer [2021-12-16 04:29:03,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:29:03,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:29:03,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:29:03,739 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:29:03,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:28:50" (1/3) ... [2021-12-16 04:29:03,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29141fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:29:03, skipping insertion in model container [2021-12-16 04:29:03,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:28:54" (2/3) ... [2021-12-16 04:29:03,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29141fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:29:03, skipping insertion in model container [2021-12-16 04:29:03,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:29:03" (3/3) ... [2021-12-16 04:29:03,742 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-16 04:29:03,746 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:29:03,746 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:29:03,794 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:29:03,799 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 [2021-12-16 04:29:03,799 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:29:03,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 3809 states, 2456 states have (on average 1.2780944625407167) internal successors, (3139), 2539 states have internal predecessors, (3139), 1106 states have call successors, (1106), 246 states have call predecessors, (1106), 245 states have return successors, (1100), 1071 states have call predecessors, (1100), 1100 states have call successors, (1100) [2021-12-16 04:29:03,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-12-16 04:29:03,863 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:29:03,863 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:29:03,864 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:29:03,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:29:03,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1185914512, now seen corresponding path program 1 times [2021-12-16 04:29:03,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:29:03,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152516728] [2021-12-16 04:29:03,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:29:03,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:29:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:29:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:29:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:29:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:29:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:29:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:29:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:29:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:29:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:29:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:29:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:29:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:29:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:29:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:29:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:29:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:29:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:29:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:29:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 04:29:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 04:29:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-16 04:29:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 04:29:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 04:29:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-16 04:29:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-16 04:29:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 04:29:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:04,916 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-16 04:29:04,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:29:04,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152516728] [2021-12-16 04:29:04,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152516728] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:29:04,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:29:04,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:29:04,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457204879] [2021-12-16 04:29:04,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:29:04,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:29:04,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:29:04,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:29:04,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:29:04,945 INFO L87 Difference]: Start difference. First operand has 3809 states, 2456 states have (on average 1.2780944625407167) internal successors, (3139), 2539 states have internal predecessors, (3139), 1106 states have call successors, (1106), 246 states have call predecessors, (1106), 245 states have return successors, (1100), 1071 states have call predecessors, (1100), 1100 states have call successors, (1100) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-16 04:29:13,367 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 [] [2021-12-16 04:29:16,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:29:25,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:29:27,610 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:29:29,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:29:31,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:29:31,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:29:31,969 INFO L93 Difference]: Finished difference Result 8292 states and 12120 transitions. [2021-12-16 04:29:31,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 04:29:31,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 249 [2021-12-16 04:29:31,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:29:32,029 INFO L225 Difference]: With dead ends: 8292 [2021-12-16 04:29:32,030 INFO L226 Difference]: Without dead ends: 4462 [2021-12-16 04:29:32,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:29:32,064 INFO L933 BasicCegarLoop]: 4811 mSDtfsCounter, 2722 mSDsluCounter, 5388 mSDsCounter, 0 mSdLazyCounter, 4853 mSolverCounterSat, 3200 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2827 SdHoareTripleChecker+Valid, 10199 SdHoareTripleChecker+Invalid, 8055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3200 IncrementalHoareTripleChecker+Valid, 4853 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2021-12-16 04:29:32,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2827 Valid, 10199 Invalid, 8055 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3200 Valid, 4853 Invalid, 2 Unknown, 0 Unchecked, 26.4s Time] [2021-12-16 04:29:32,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4462 states. [2021-12-16 04:29:32,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4462 to 3783. [2021-12-16 04:29:32,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3783 states, 2439 states have (on average 1.2726527265272654) internal successors, (3104), 2514 states have internal predecessors, (3104), 1099 states have call successors, (1099), 245 states have call predecessors, (1099), 244 states have return successors, (1097), 1068 states have call predecessors, (1097), 1097 states have call successors, (1097) [2021-12-16 04:29:32,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 3783 states and 5300 transitions. [2021-12-16 04:29:32,368 INFO L78 Accepts]: Start accepts. Automaton has 3783 states and 5300 transitions. Word has length 249 [2021-12-16 04:29:32,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:29:32,369 INFO L470 AbstractCegarLoop]: Abstraction has 3783 states and 5300 transitions. [2021-12-16 04:29:32,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-16 04:29:32,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3783 states and 5300 transitions. [2021-12-16 04:29:32,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-12-16 04:29:32,378 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:29:32,378 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:29:32,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:29:32,378 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:29:32,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:29:32,379 INFO L85 PathProgramCache]: Analyzing trace with hash -221808994, now seen corresponding path program 1 times [2021-12-16 04:29:32,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:29:32,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186711970] [2021-12-16 04:29:32,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:29:32,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:29:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:29:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:29:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:29:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:29:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:29:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:29:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:29:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:29:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:29:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:29:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:29:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:29:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:29:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:29:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:29:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:29:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:29:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:29:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 04:29:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 04:29:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-16 04:29:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 04:29:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 04:29:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-16 04:29:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-16 04:29:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 04:29:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:29:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:29:32,890 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-16 04:29:32,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:29:32,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186711970] [2021-12-16 04:29:32,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186711970] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:29:32,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:29:32,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:29:32,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999235160] [2021-12-16 04:29:32,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:29:32,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:29:32,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:29:32,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:29:32,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:29:32,894 INFO L87 Difference]: Start difference. First operand 3783 states and 5300 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-12-16 04:29:39,118 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 [] [2021-12-16 04:29:45,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:29:56,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []