./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 e19ca921 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-dev-e19ca92 [2021-12-22 15:08:55,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:08:55,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:08:55,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:08:55,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:08:55,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:08:55,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:08:55,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:08:55,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:08:55,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:08:55,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:08:55,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:08:55,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:08:55,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:08:55,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:08:55,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:08:55,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:08:55,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:08:55,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:08:55,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:08:55,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:08:55,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:08:55,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:08:55,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:08:55,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:08:55,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:08:55,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:08:55,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:08:55,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:08:55,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:08:55,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:08:55,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:08:55,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:08:55,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:08:55,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:08:55,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:08:55,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:08:55,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:08:55,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:08:55,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:08:55,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:08:55,803 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:08:55,835 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:08:55,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:08:55,836 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:08:55,836 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:08:55,837 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:08:55,837 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:08:55,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:08:55,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:08:55,838 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:08:55,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:08:55,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:08:55,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:08:55,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:08:55,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:08:55,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:08:55,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:08:55,841 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:08:55,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:08:55,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:08:55,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:08:55,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:08:55,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:08:55,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:08:55,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:08:55,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:08:55,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:08:55,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:08:55,844 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:08:55,844 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:08:55,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:08:55,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:08:55,845 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1742c34f7a214b263d92b02d9484c07ad1ab106a7adf554dae38d13e5f5f8336 [2021-12-22 15:08:56,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:08:56,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:08:56,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:08:56,144 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:08:56,145 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:08:56,146 INFO L432 ainManager$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 [2021-12-22 15:08:56,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25c280e61/8bd3975c9cf643e48f5d1331f06f0c81/FLAGe3aeadfae [2021-12-22 15:08:56,916 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:08:56,916 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 [2021-12-22 15:08:56,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25c280e61/8bd3975c9cf643e48f5d1331f06f0c81/FLAGe3aeadfae [2021-12-22 15:08:57,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25c280e61/8bd3975c9cf643e48f5d1331f06f0c81 [2021-12-22 15:08:57,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:08:57,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:08:57,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:08:57,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:08:57,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:08:57,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:08:57" (1/1) ... [2021-12-22 15:08:57,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2891436d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:08:57, skipping insertion in model container [2021-12-22 15:08:57,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:08:57" (1/1) ... [2021-12-22 15:08:57,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:08:57,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:09:01,038 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] [2021-12-22 15:09:01,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:09:01,142 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:09:01,493 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] [2021-12-22 15:09:01,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:09:01,659 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:09:01,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:01 WrapperNode [2021-12-22 15:09:01,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:09:01,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:09:01,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:09:01,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:09:01,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:01" (1/1) ... [2021-12-22 15:09:01,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:01" (1/1) ... [2021-12-22 15:09:02,057 INFO L137 Inliner]: procedures = 598, calls = 3919, calls flagged for inlining = 265, calls inlined = 256, statements flattened = 9657 [2021-12-22 15:09:02,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:09:02,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:09:02,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:09:02,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:09:02,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:01" (1/1) ... [2021-12-22 15:09:02,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:01" (1/1) ... [2021-12-22 15:09:02,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:01" (1/1) ... [2021-12-22 15:09:02,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:01" (1/1) ... [2021-12-22 15:09:02,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:01" (1/1) ... [2021-12-22 15:09:02,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:01" (1/1) ... [2021-12-22 15:09:02,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:01" (1/1) ... [2021-12-22 15:09:02,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:09:02,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:09:02,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:09:02,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:09:02,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:01" (1/1) ... [2021-12-22 15:09:02,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:09:02,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:09:02,423 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) [2021-12-22 15:09:02,451 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 [2021-12-22 15:09:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2021-12-22 15:09:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2021-12-22 15:09:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2021-12-22 15:09:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2021-12-22 15:09:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-22 15:09:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-22 15:09:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2021-12-22 15:09:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2021-12-22 15:09:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-22 15:09:02,472 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-22 15:09:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2021-12-22 15:09:02,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2021-12-22 15:09:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2021-12-22 15:09:02,472 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2021-12-22 15:09:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-22 15:09:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2021-12-22 15:09:02,473 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2021-12-22 15:09:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2021-12-22 15:09:02,473 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2021-12-22 15:09:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2021-12-22 15:09:02,473 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2021-12-22 15:09:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:09:02,473 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:09:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2021-12-22 15:09:02,473 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2021-12-22 15:09:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2021-12-22 15:09:02,474 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2021-12-22 15:09:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2021-12-22 15:09:02,474 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2021-12-22 15:09:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-22 15:09:02,474 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-22 15:09:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2021-12-22 15:09:02,474 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2021-12-22 15:09:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 15:09:02,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 15:09:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2021-12-22 15:09:02,475 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2021-12-22 15:09:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:09:02,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:09:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2021-12-22 15:09:02,476 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2021-12-22 15:09:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2021-12-22 15:09:02,476 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2021-12-22 15:09:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-22 15:09:02,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-22 15:09:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2021-12-22 15:09:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2021-12-22 15:09:02,476 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2021-12-22 15:09:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2021-12-22 15:09:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2021-12-22 15:09:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-22 15:09:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-22 15:09:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-22 15:09:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-22 15:09:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2021-12-22 15:09:02,478 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2021-12-22 15:09:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2021-12-22 15:09:02,479 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2021-12-22 15:09:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:09:02,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:09:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2021-12-22 15:09:02,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2021-12-22 15:09:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2021-12-22 15:09:02,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2021-12-22 15:09:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:09:02,480 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:09:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2021-12-22 15:09:02,480 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2021-12-22 15:09:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2021-12-22 15:09:02,480 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2021-12-22 15:09:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2021-12-22 15:09:02,481 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2021-12-22 15:09:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2021-12-22 15:09:02,481 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2021-12-22 15:09:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2021-12-22 15:09:02,481 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2021-12-22 15:09:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2021-12-22 15:09:02,482 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2021-12-22 15:09:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:09:02,482 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:09:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2021-12-22 15:09:02,482 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2021-12-22 15:09:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2021-12-22 15:09:02,482 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2021-12-22 15:09:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2021-12-22 15:09:02,483 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2021-12-22 15:09:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2021-12-22 15:09:02,483 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2021-12-22 15:09:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2021-12-22 15:09:02,483 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2021-12-22 15:09:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-22 15:09:02,484 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-22 15:09:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-22 15:09:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2021-12-22 15:09:02,484 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2021-12-22 15:09:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2021-12-22 15:09:02,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2021-12-22 15:09:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:09:02,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:09:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:09:02,485 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:09:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2021-12-22 15:09:02,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2021-12-22 15:09:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:09:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2021-12-22 15:09:02,486 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2021-12-22 15:09:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2021-12-22 15:09:02,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2021-12-22 15:09:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 15:09:02,486 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 15:09:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2021-12-22 15:09:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2021-12-22 15:09:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2021-12-22 15:09:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2021-12-22 15:09:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-22 15:09:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-22 15:09:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2021-12-22 15:09:02,488 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2021-12-22 15:09:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:09:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2021-12-22 15:09:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2021-12-22 15:09:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2021-12-22 15:09:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2021-12-22 15:09:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:09:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:09:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2021-12-22 15:09:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2021-12-22 15:09:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2021-12-22 15:09:02,496 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2021-12-22 15:09:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:09:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2021-12-22 15:09:02,496 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2021-12-22 15:09:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2021-12-22 15:09:02,496 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2021-12-22 15:09:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2021-12-22 15:09:02,496 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2021-12-22 15:09:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2021-12-22 15:09:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2021-12-22 15:09:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:09:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2021-12-22 15:09:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2021-12-22 15:09:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2021-12-22 15:09:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2021-12-22 15:09:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:09:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:09:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2021-12-22 15:09:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2021-12-22 15:09:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2021-12-22 15:09:02,498 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2021-12-22 15:09:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:09:02,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:09:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2021-12-22 15:09:02,498 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2021-12-22 15:09:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-22 15:09:02,498 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-22 15:09:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2021-12-22 15:09:02,498 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2021-12-22 15:09:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2021-12-22 15:09:02,499 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2021-12-22 15:09:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-22 15:09:02,499 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-22 15:09:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2021-12-22 15:09:02,499 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2021-12-22 15:09:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2021-12-22 15:09:02,499 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2021-12-22 15:09:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:09:02,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:09:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2021-12-22 15:09:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2021-12-22 15:09:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2021-12-22 15:09:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2021-12-22 15:09:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2021-12-22 15:09:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2021-12-22 15:09:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:09:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-22 15:09:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-22 15:09:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-22 15:09:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2021-12-22 15:09:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2021-12-22 15:09:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-22 15:09:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-22 15:09:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:09:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2021-12-22 15:09:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2021-12-22 15:09:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2021-12-22 15:09:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2021-12-22 15:09:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2021-12-22 15:09:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2021-12-22 15:09:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:09:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:09:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:09:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2021-12-22 15:09:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2021-12-22 15:09:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-22 15:09:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-22 15:09:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2021-12-22 15:09:02,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2021-12-22 15:09:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2021-12-22 15:09:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2021-12-22 15:09:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2021-12-22 15:09:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2021-12-22 15:09:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-22 15:09:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-22 15:09:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2021-12-22 15:09:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2021-12-22 15:09:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2021-12-22 15:09:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2021-12-22 15:09:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-22 15:09:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-22 15:09:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2021-12-22 15:09:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2021-12-22 15:09:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2021-12-22 15:09:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2021-12-22 15:09:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 15:09:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 15:09:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2021-12-22 15:09:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2021-12-22 15:09:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2021-12-22 15:09:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2021-12-22 15:09:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2021-12-22 15:09:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2021-12-22 15:09:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2021-12-22 15:09:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2021-12-22 15:09:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2021-12-22 15:09:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2021-12-22 15:09:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-22 15:09:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-22 15:09:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2021-12-22 15:09:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2021-12-22 15:09:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-22 15:09:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-22 15:09:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:09:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:09:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2021-12-22 15:09:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2021-12-22 15:09:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2021-12-22 15:09:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2021-12-22 15:09:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2021-12-22 15:09:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2021-12-22 15:09:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2021-12-22 15:09:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2021-12-22 15:09:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-22 15:09:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-22 15:09:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2021-12-22 15:09:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2021-12-22 15:09:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:09:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:09:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2021-12-22 15:09:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2021-12-22 15:09:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 15:09:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 15:09:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2021-12-22 15:09:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2021-12-22 15:09:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2021-12-22 15:09:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2021-12-22 15:09:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2021-12-22 15:09:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2021-12-22 15:09:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2021-12-22 15:09:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2021-12-22 15:09:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2021-12-22 15:09:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2021-12-22 15:09:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2021-12-22 15:09:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2021-12-22 15:09:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:09:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:09:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:09:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:09:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2021-12-22 15:09:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2021-12-22 15:09:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2021-12-22 15:09:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2021-12-22 15:09:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2021-12-22 15:09:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2021-12-22 15:09:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2021-12-22 15:09:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2021-12-22 15:09:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2021-12-22 15:09:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2021-12-22 15:09:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2021-12-22 15:09:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2021-12-22 15:09:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2021-12-22 15:09:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2021-12-22 15:09:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2021-12-22 15:09:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2021-12-22 15:09:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2021-12-22 15:09:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2021-12-22 15:09:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2021-12-22 15:09:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2021-12-22 15:09:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2021-12-22 15:09:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2021-12-22 15:09:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2021-12-22 15:09:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2021-12-22 15:09:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 15:09:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 15:09:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2021-12-22 15:09:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2021-12-22 15:09:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:09:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:09:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-22 15:09:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-22 15:09:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2021-12-22 15:09:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2021-12-22 15:09:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 15:09:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 15:09:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:09:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:09:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2021-12-22 15:09:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2021-12-22 15:09:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:09:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:09:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2021-12-22 15:09:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2021-12-22 15:09:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2021-12-22 15:09:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2021-12-22 15:09:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2021-12-22 15:09:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2021-12-22 15:09:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2021-12-22 15:09:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2021-12-22 15:09:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-22 15:09:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-22 15:09:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2021-12-22 15:09:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2021-12-22 15:09:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2021-12-22 15:09:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2021-12-22 15:09:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2021-12-22 15:09:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2021-12-22 15:09:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2021-12-22 15:09:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2021-12-22 15:09:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:09:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:09:02,563 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:09:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-22 15:09:02,563 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-22 15:09:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2021-12-22 15:09:02,563 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2021-12-22 15:09:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:09:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2021-12-22 15:09:02,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2021-12-22 15:09:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-22 15:09:02,566 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-22 15:09:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_32 [2021-12-22 15:09:02,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_32 [2021-12-22 15:09:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 15:09:02,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 15:09:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2021-12-22 15:09:02,567 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2021-12-22 15:09:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2021-12-22 15:09:02,567 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2021-12-22 15:09:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-22 15:09:02,567 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-22 15:09:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2021-12-22 15:09:02,567 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2021-12-22 15:09:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2021-12-22 15:09:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2021-12-22 15:09:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2021-12-22 15:09:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2021-12-22 15:09:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:09:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2021-12-22 15:09:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2021-12-22 15:09:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_31 [2021-12-22 15:09:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_31 [2021-12-22 15:09:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2021-12-22 15:09:02,569 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2021-12-22 15:09:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 15:09:02,569 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 15:09:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-22 15:09:02,569 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-22 15:09:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2021-12-22 15:09:02,569 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2021-12-22 15:09:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 15:09:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 15:09:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 15:09:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 15:09:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2021-12-22 15:09:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2021-12-22 15:09:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2021-12-22 15:09:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2021-12-22 15:09:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2021-12-22 15:09:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2021-12-22 15:09:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-22 15:09:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-22 15:09:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 15:09:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 15:09:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2021-12-22 15:09:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2021-12-22 15:09:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2021-12-22 15:09:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2021-12-22 15:09:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2021-12-22 15:09:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2021-12-22 15:09:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2021-12-22 15:09:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2021-12-22 15:09:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2021-12-22 15:09:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2021-12-22 15:09:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 15:09:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 15:09:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2021-12-22 15:09:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2021-12-22 15:09:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2021-12-22 15:09:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2021-12-22 15:09:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-22 15:09:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-22 15:09:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2021-12-22 15:09:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2021-12-22 15:09:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2021-12-22 15:09:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2021-12-22 15:09:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2021-12-22 15:09:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2021-12-22 15:09:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2021-12-22 15:09:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2021-12-22 15:09:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2021-12-22 15:09:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2021-12-22 15:09:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2021-12-22 15:09:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2021-12-22 15:09:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2021-12-22 15:09:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2021-12-22 15:09:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:09:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:09:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2021-12-22 15:09:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2021-12-22 15:09:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2021-12-22 15:09:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:09:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:09:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2021-12-22 15:09:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2021-12-22 15:09:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:09:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2021-12-22 15:09:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2021-12-22 15:09:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2021-12-22 15:09:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2021-12-22 15:09:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:09:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:09:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2021-12-22 15:09:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2021-12-22 15:09:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:09:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:09:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2021-12-22 15:09:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2021-12-22 15:09:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2021-12-22 15:09:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2021-12-22 15:09:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-22 15:09:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-22 15:09:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2021-12-22 15:09:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2021-12-22 15:09:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2021-12-22 15:09:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2021-12-22 15:09:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2021-12-22 15:09:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2021-12-22 15:09:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2021-12-22 15:09:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2021-12-22 15:09:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2021-12-22 15:09:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2021-12-22 15:09:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-12-22 15:09:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-12-22 15:09:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2021-12-22 15:09:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2021-12-22 15:09:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2021-12-22 15:09:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2021-12-22 15:09:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 15:09:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 15:09:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2021-12-22 15:09:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2021-12-22 15:09:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2021-12-22 15:09:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2021-12-22 15:09:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-22 15:09:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-22 15:09:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2021-12-22 15:09:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2021-12-22 15:09:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2021-12-22 15:09:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2021-12-22 15:09:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2021-12-22 15:09:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2021-12-22 15:09:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-22 15:09:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-22 15:09:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2021-12-22 15:09:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2021-12-22 15:09:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-22 15:09:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-22 15:09:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2021-12-22 15:09:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2021-12-22 15:09:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2021-12-22 15:09:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2021-12-22 15:09:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2021-12-22 15:09:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2021-12-22 15:09:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2021-12-22 15:09:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2021-12-22 15:09:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2021-12-22 15:09:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2021-12-22 15:09:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2021-12-22 15:09:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2021-12-22 15:09:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2021-12-22 15:09:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2021-12-22 15:09:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2021-12-22 15:09:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 15:09:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 15:09:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:09:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:09:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2021-12-22 15:09:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2021-12-22 15:09:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2021-12-22 15:09:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2021-12-22 15:09:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2021-12-22 15:09:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2021-12-22 15:09:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2021-12-22 15:09:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2021-12-22 15:09:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:09:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2021-12-22 15:09:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2021-12-22 15:09:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2021-12-22 15:09:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2021-12-22 15:09:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2021-12-22 15:09:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2021-12-22 15:09:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-22 15:09:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-22 15:09:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-22 15:09:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2021-12-22 15:09:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2021-12-22 15:09:03,891 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:09:03,895 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:09:04,482 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:09:12,113 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:09:12,137 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:09:12,137 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:09:12,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:09:12 BoogieIcfgContainer [2021-12-22 15:09:12,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:09:12,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:09:12,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:09:12,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:09:12,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:08:57" (1/3) ... [2021-12-22 15:09:12,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e022d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:09:12, skipping insertion in model container [2021-12-22 15:09:12,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:01" (2/3) ... [2021-12-22 15:09:12,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e022d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:09:12, skipping insertion in model container [2021-12-22 15:09:12,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:09:12" (3/3) ... [2021-12-22 15:09:12,148 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-22 15:09:12,154 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:09:12,155 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:09:12,198 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:09:12,203 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 [2021-12-22 15:09:12,203 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:09:12,268 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) [2021-12-22 15:09:12,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-12-22 15:09:12,283 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:09:12,284 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] [2021-12-22 15:09:12,284 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:09:12,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:09:12,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1185914512, now seen corresponding path program 1 times [2021-12-22 15:09:12,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:09:12,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023213196] [2021-12-22 15:09:12,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:09:12,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:09:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:12,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:09:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:12,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:12,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:12,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:09:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:12,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:12,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:12,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:09:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:09:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:09:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:09:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:09:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:09:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:09:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 15:09:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 15:09:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 15:09:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 15:09:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:09:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-22 15:09:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-22 15:09:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 15:09:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:13,396 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-22 15:09:13,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:09:13,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023213196] [2021-12-22 15:09:13,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023213196] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:09:13,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:09:13,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:09:13,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630790450] [2021-12-22 15:09:13,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:09:13,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:09:13,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:09:13,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:09:13,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:09:13,428 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) [2021-12-22 15:09:17,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:09:22,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:09:24,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:09:32,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:09:35,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:09:37,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:09:38,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:09:39,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:09:39,454 INFO L93 Difference]: Finished difference Result 8292 states and 12120 transitions. [2021-12-22 15:09:39,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 15:09:39,457 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 [2021-12-22 15:09:39,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:09:39,506 INFO L225 Difference]: With dead ends: 8292 [2021-12-22 15:09:39,506 INFO L226 Difference]: Without dead ends: 4462 [2021-12-22 15:09:39,540 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 [2021-12-22 15:09:39,543 INFO L933 BasicCegarLoop]: 4806 mSDtfsCounter, 2724 mSDsluCounter, 5394 mSDsCounter, 0 mSdLazyCounter, 4832 mSolverCounterSat, 3204 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2833 SdHoareTripleChecker+Valid, 10200 SdHoareTripleChecker+Invalid, 8037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3204 IncrementalHoareTripleChecker+Valid, 4832 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:09:39,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2833 Valid, 10200 Invalid, 8037 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3204 Valid, 4832 Invalid, 1 Unknown, 0 Unchecked, 25.3s Time] [2021-12-22 15:09:39,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4462 states. [2021-12-22 15:09:39,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4462 to 3783. [2021-12-22 15:09:39,825 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) [2021-12-22 15:09:39,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 3783 states and 5300 transitions. [2021-12-22 15:09:39,854 INFO L78 Accepts]: Start accepts. Automaton has 3783 states and 5300 transitions. Word has length 249 [2021-12-22 15:09:39,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:09:39,856 INFO L470 AbstractCegarLoop]: Abstraction has 3783 states and 5300 transitions. [2021-12-22 15:09:39,856 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) [2021-12-22 15:09:39,856 INFO L276 IsEmpty]: Start isEmpty. Operand 3783 states and 5300 transitions. [2021-12-22 15:09:39,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-12-22 15:09:39,861 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:09:39,862 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] [2021-12-22 15:09:39,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:09:39,862 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:09:39,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:09:39,863 INFO L85 PathProgramCache]: Analyzing trace with hash -221808994, now seen corresponding path program 1 times [2021-12-22 15:09:39,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:09:39,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541929404] [2021-12-22 15:09:39,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:09:39,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:09:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:09:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:09:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:09:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:09:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:09:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:09:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:09:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:09:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:09:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 15:09:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 15:09:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 15:09:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 15:09:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:09:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-22 15:09:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-22 15:09:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 15:09:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:40,445 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-22 15:09:40,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:09:40,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541929404] [2021-12-22 15:09:40,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541929404] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:09:40,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:09:40,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:09:40,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325928056] [2021-12-22 15:09:40,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:09:40,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:09:40,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:09:40,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:09:40,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:09:40,449 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) [2021-12-22 15:09:44,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []