./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-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-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 c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:18:16,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:18:16,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:18:16,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:18:16,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:18:16,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:18:16,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:18:16,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:18:16,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:18:16,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:18:16,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:18:16,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:18:16,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:18:16,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:18:16,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:18:16,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:18:16,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:18:16,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:18:16,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:18:16,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:18:16,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:18:16,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:18:16,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:18:16,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:18:16,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:18:16,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:18:16,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:18:16,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:18:16,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:18:16,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:18:16,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:18:16,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:18:16,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:18:16,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:18:16,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:18:16,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:18:16,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:18:16,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:18:16,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:18:16,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:18:16,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:18:16,205 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:18:16,231 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:18:16,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:18:16,233 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:18:16,233 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:18:16,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:18:16,234 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:18:16,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:18:16,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:18:16,235 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:18:16,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:18:16,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:18:16,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:18:16,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:18:16,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:18:16,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:18:16,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:18:16,237 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:18:16,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:18:16,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:18:16,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:18:16,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:18:16,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:18:16,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:18:16,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:18:16,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:18:16,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:18:16,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:18:16,246 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:18:16,246 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:18:16,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:18:16,246 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 [2021-12-28 04:18:16,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:18:16,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:18:16,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:18:16,514 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:18:16,515 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:18:16,524 INFO L432 ainManager$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-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-28 04:18:16,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7f246418/b3b49b6b06624bf3b337c838c603a28f/FLAG9174c05a1 [2021-12-28 04:18:17,223 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:18:17,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-28 04:18:17,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7f246418/b3b49b6b06624bf3b337c838c603a28f/FLAG9174c05a1 [2021-12-28 04:18:17,596 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7f246418/b3b49b6b06624bf3b337c838c603a28f [2021-12-28 04:18:17,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:18:17,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:18:17,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:18:17,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:18:17,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:18:17,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:18:17" (1/1) ... [2021-12-28 04:18:17,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70ee994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:18:17, skipping insertion in model container [2021-12-28 04:18:17,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:18:17" (1/1) ... [2021-12-28 04:18:17,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:18:17,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:18:20,662 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-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i[382358,382371] [2021-12-28 04:18:20,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:18:20,810 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:18:21,153 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-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i[382358,382371] [2021-12-28 04:18:21,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:18:21,387 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:18:21,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:18:21 WrapperNode [2021-12-28 04:18:21,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:18:21,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:18:21,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:18:21,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:18:21,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:18:21" (1/1) ... [2021-12-28 04:18:21,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:18:21" (1/1) ... [2021-12-28 04:18:21,795 INFO L137 Inliner]: procedures = 664, calls = 4061, calls flagged for inlining = 272, calls inlined = 262, statements flattened = 9806 [2021-12-28 04:18:21,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:18:21,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:18:21,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:18:21,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:18:21,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:18:21" (1/1) ... [2021-12-28 04:18:21,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:18:21" (1/1) ... [2021-12-28 04:18:21,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:18:21" (1/1) ... [2021-12-28 04:18:21,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:18:21" (1/1) ... [2021-12-28 04:18:22,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:18:21" (1/1) ... [2021-12-28 04:18:22,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:18:21" (1/1) ... [2021-12-28 04:18:22,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:18:21" (1/1) ... [2021-12-28 04:18:22,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:18:22,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:18:22,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:18:22,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:18:22,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:18:21" (1/1) ... [2021-12-28 04:18:22,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:18:22,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:18:22,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:18:22,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:18:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2021-12-28 04:18:22,307 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2021-12-28 04:18:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2021-12-28 04:18:22,307 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2021-12-28 04:18:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-28 04:18:22,307 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-28 04:18:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2021-12-28 04:18:22,308 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2021-12-28 04:18:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-28 04:18:22,308 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-28 04:18:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2021-12-28 04:18:22,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2021-12-28 04:18:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2021-12-28 04:18:22,308 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2021-12-28 04:18:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-28 04:18:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2021-12-28 04:18:22,309 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2021-12-28 04:18:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2021-12-28 04:18:22,309 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2021-12-28 04:18:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2021-12-28 04:18:22,309 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2021-12-28 04:18:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:18:22,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:18:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2021-12-28 04:18:22,310 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2021-12-28 04:18:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2021-12-28 04:18:22,310 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2021-12-28 04:18:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2021-12-28 04:18:22,310 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2021-12-28 04:18:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-28 04:18:22,310 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-28 04:18:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2021-12-28 04:18:22,311 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2021-12-28 04:18:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2021-12-28 04:18:22,311 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2021-12-28 04:18:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:18:22,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:18:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2021-12-28 04:18:22,312 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2021-12-28 04:18:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2021-12-28 04:18:22,312 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2021-12-28 04:18:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-28 04:18:22,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-28 04:18:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2021-12-28 04:18:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2021-12-28 04:18:22,313 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2021-12-28 04:18:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2021-12-28 04:18:22,313 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2021-12-28 04:18:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-28 04:18:22,313 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-28 04:18:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-28 04:18:22,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-28 04:18:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2021-12-28 04:18:22,314 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2021-12-28 04:18:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2021-12-28 04:18:22,314 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2021-12-28 04:18:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:18:22,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:18:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2021-12-28 04:18:22,315 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2021-12-28 04:18:22,316 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2021-12-28 04:18:22,316 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2021-12-28 04:18:22,316 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:18:22,316 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:18:22,316 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2021-12-28 04:18:22,316 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2021-12-28 04:18:22,316 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2021-12-28 04:18:22,317 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2021-12-28 04:18:22,317 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2021-12-28 04:18:22,317 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2021-12-28 04:18:22,317 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2021-12-28 04:18:22,317 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2021-12-28 04:18:22,318 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2021-12-28 04:18:22,318 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2021-12-28 04:18:22,318 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2021-12-28 04:18:22,318 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2021-12-28 04:18:22,318 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:18:22,318 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:18:22,318 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2021-12-28 04:18:22,318 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2021-12-28 04:18:22,318 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2021-12-28 04:18:22,319 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2021-12-28 04:18:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2021-12-28 04:18:22,319 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2021-12-28 04:18:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2021-12-28 04:18:22,319 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2021-12-28 04:18:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2021-12-28 04:18:22,319 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2021-12-28 04:18:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-28 04:18:22,320 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-28 04:18:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-28 04:18:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2021-12-28 04:18:22,320 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2021-12-28 04:18:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2021-12-28 04:18:22,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2021-12-28 04:18:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:18:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:18:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:18:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:18:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2021-12-28 04:18:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2021-12-28 04:18:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:18:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2021-12-28 04:18:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2021-12-28 04:18:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2021-12-28 04:18:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2021-12-28 04:18:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:18:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:18:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2021-12-28 04:18:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2021-12-28 04:18:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2021-12-28 04:18:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2021-12-28 04:18:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-28 04:18:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-28 04:18:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2021-12-28 04:18:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2021-12-28 04:18:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:18:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2021-12-28 04:18:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2021-12-28 04:18:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2021-12-28 04:18:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2021-12-28 04:18:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:18:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:18:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2021-12-28 04:18:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2021-12-28 04:18:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2021-12-28 04:18:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2021-12-28 04:18:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:18:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2021-12-28 04:18:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2021-12-28 04:18:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2021-12-28 04:18:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2021-12-28 04:18:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2021-12-28 04:18:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2021-12-28 04:18:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2021-12-28 04:18:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2021-12-28 04:18:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:18:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2021-12-28 04:18:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2021-12-28 04:18:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2021-12-28 04:18:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2021-12-28 04:18:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:18:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:18:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2021-12-28 04:18:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2021-12-28 04:18:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2021-12-28 04:18:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2021-12-28 04:18:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2021-12-28 04:18:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2021-12-28 04:18:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-28 04:18:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-28 04:18:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2021-12-28 04:18:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2021-12-28 04:18:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2021-12-28 04:18:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2021-12-28 04:18:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-28 04:18:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-28 04:18:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2021-12-28 04:18:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2021-12-28 04:18:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2021-12-28 04:18:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2021-12-28 04:18:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_19 [2021-12-28 04:18:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_19 [2021-12-28 04:18:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:18:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:18:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2021-12-28 04:18:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2021-12-28 04:18:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2021-12-28 04:18:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2021-12-28 04:18:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2021-12-28 04:18:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2021-12-28 04:18:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:18:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-28 04:18:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-28 04:18:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2021-12-28 04:18:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2021-12-28 04:18:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-28 04:18:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-28 04:18:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:18:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2021-12-28 04:18:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2021-12-28 04:18:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2021-12-28 04:18:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2021-12-28 04:18:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2021-12-28 04:18:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2021-12-28 04:18:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:18:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:18:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:18:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2021-12-28 04:18:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2021-12-28 04:18:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-28 04:18:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-28 04:18:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2021-12-28 04:18:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2021-12-28 04:18:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2021-12-28 04:18:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2021-12-28 04:18:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2021-12-28 04:18:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2021-12-28 04:18:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-28 04:18:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-28 04:18:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2021-12-28 04:18:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2021-12-28 04:18:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2021-12-28 04:18:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2021-12-28 04:18:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-28 04:18:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-28 04:18:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2021-12-28 04:18:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2021-12-28 04:18:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2021-12-28 04:18:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2021-12-28 04:18:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:18:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:18:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2021-12-28 04:18:22,342 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2021-12-28 04:18:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2021-12-28 04:18:22,342 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2021-12-28 04:18:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2021-12-28 04:18:22,342 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2021-12-28 04:18:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2021-12-28 04:18:22,342 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2021-12-28 04:18:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2021-12-28 04:18:22,342 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2021-12-28 04:18:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-28 04:18:22,342 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-28 04:18:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2021-12-28 04:18:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2021-12-28 04:18:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-28 04:18:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-28 04:18:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:18:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:18:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2021-12-28 04:18:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2021-12-28 04:18:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2021-12-28 04:18:22,343 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2021-12-28 04:18:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2021-12-28 04:18:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2021-12-28 04:18:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2021-12-28 04:18:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2021-12-28 04:18:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-28 04:18:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-28 04:18:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2021-12-28 04:18:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2021-12-28 04:18:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:18:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:18:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2021-12-28 04:18:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2021-12-28 04:18:22,346 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:18:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2021-12-28 04:18:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2021-12-28 04:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2021-12-28 04:18:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2021-12-28 04:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2021-12-28 04:18:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2021-12-28 04:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2021-12-28 04:18:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2021-12-28 04:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2021-12-28 04:18:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2021-12-28 04:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2021-12-28 04:18:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2021-12-28 04:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:18:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2021-12-28 04:18:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2021-12-28 04:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2021-12-28 04:18:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2021-12-28 04:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2021-12-28 04:18:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2021-12-28 04:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2021-12-28 04:18:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2021-12-28 04:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2021-12-28 04:18:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2021-12-28 04:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2021-12-28 04:18:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2021-12-28 04:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2021-12-28 04:18:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2021-12-28 04:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2021-12-28 04:18:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2021-12-28 04:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2021-12-28 04:18:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2021-12-28 04:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2021-12-28 04:18:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2021-12-28 04:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2021-12-28 04:18:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2021-12-28 04:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2021-12-28 04:18:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2021-12-28 04:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2021-12-28 04:18:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2021-12-28 04:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:18:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2021-12-28 04:18:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2021-12-28 04:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:18:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-28 04:18:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-28 04:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2021-12-28 04:18:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2021-12-28 04:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-28 04:18:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-28 04:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:18:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2021-12-28 04:18:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2021-12-28 04:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:18:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2021-12-28 04:18:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2021-12-28 04:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2021-12-28 04:18:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2021-12-28 04:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2021-12-28 04:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2021-12-28 04:18:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-28 04:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-28 04:18:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2021-12-28 04:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2021-12-28 04:18:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-28 04:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-28 04:18:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2021-12-28 04:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2021-12-28 04:18:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2021-12-28 04:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2021-12-28 04:18:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2021-12-28 04:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2021-12-28 04:18:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2021-12-28 04:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2021-12-28 04:18:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-28 04:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-28 04:18:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:18:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:18:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-28 04:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-28 04:18:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2021-12-28 04:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2021-12-28 04:18:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:18:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2021-12-28 04:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2021-12-28 04:18:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-28 04:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-28 04:18:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2021-12-28 04:18:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2021-12-28 04:18:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2021-12-28 04:18:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2021-12-28 04:18:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-28 04:18:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-28 04:18:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2021-12-28 04:18:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2021-12-28 04:18:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2021-12-28 04:18:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2021-12-28 04:18:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2021-12-28 04:18:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2021-12-28 04:18:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2021-12-28 04:18:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2021-12-28 04:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2021-12-28 04:18:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2021-12-28 04:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:18:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-28 04:18:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-28 04:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-28 04:18:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-28 04:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2021-12-28 04:18:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2021-12-28 04:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:18:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2021-12-28 04:18:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2021-12-28 04:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2021-12-28 04:18:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2021-12-28 04:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2021-12-28 04:18:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2021-12-28 04:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-28 04:18:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-28 04:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2021-12-28 04:18:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2021-12-28 04:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2021-12-28 04:18:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2021-12-28 04:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2021-12-28 04:18:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2021-12-28 04:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2021-12-28 04:18:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2021-12-28 04:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2021-12-28 04:18:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2021-12-28 04:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-28 04:18:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-28 04:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2021-12-28 04:18:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2021-12-28 04:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2021-12-28 04:18:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2021-12-28 04:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2021-12-28 04:18:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2021-12-28 04:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2021-12-28 04:18:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2021-12-28 04:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2021-12-28 04:18:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2021-12-28 04:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2021-12-28 04:18:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2021-12-28 04:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2021-12-28 04:18:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2021-12-28 04:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2021-12-28 04:18:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2021-12-28 04:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2021-12-28 04:18:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2021-12-28 04:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:18:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2021-12-28 04:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2021-12-28 04:18:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2021-12-28 04:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:18:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2021-12-28 04:18:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2021-12-28 04:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2021-12-28 04:18:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2021-12-28 04:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2021-12-28 04:18:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2021-12-28 04:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:18:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2021-12-28 04:18:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2021-12-28 04:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:18:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2021-12-28 04:18:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2021-12-28 04:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2021-12-28 04:18:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2021-12-28 04:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-28 04:18:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-28 04:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2021-12-28 04:18:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2021-12-28 04:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2021-12-28 04:18:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2021-12-28 04:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2021-12-28 04:18:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2021-12-28 04:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2021-12-28 04:18:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2021-12-28 04:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2021-12-28 04:18:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2021-12-28 04:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-12-28 04:18:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-12-28 04:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2021-12-28 04:18:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2021-12-28 04:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2021-12-28 04:18:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2021-12-28 04:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2021-12-28 04:18:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2021-12-28 04:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-28 04:18:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-28 04:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2021-12-28 04:18:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2021-12-28 04:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2021-12-28 04:18:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2021-12-28 04:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2021-12-28 04:18:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2021-12-28 04:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-28 04:18:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-28 04:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2021-12-28 04:18:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2021-12-28 04:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2021-12-28 04:18:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2021-12-28 04:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2021-12-28 04:18:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2021-12-28 04:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-28 04:18:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-28 04:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2021-12-28 04:18:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2021-12-28 04:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-28 04:18:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-28 04:18:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2021-12-28 04:18:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2021-12-28 04:18:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2021-12-28 04:18:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2021-12-28 04:18:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2021-12-28 04:18:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2021-12-28 04:18:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2021-12-28 04:18:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2021-12-28 04:18:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2021-12-28 04:18:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2021-12-28 04:18:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2021-12-28 04:18:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2021-12-28 04:18:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2021-12-28 04:18:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2021-12-28 04:18:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2021-12-28 04:18:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 04:18:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 04:18:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:18:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:18:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2021-12-28 04:18:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2021-12-28 04:18:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2021-12-28 04:18:22,377 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2021-12-28 04:18:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2021-12-28 04:18:22,377 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2021-12-28 04:18:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2021-12-28 04:18:22,377 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2021-12-28 04:18:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:18:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2021-12-28 04:18:22,377 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2021-12-28 04:18:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2021-12-28 04:18:22,377 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2021-12-28 04:18:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2021-12-28 04:18:22,378 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2021-12-28 04:18:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-28 04:18:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-28 04:18:22,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-28 04:18:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2021-12-28 04:18:22,378 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2021-12-28 04:18:23,482 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:18:23,485 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:18:24,151 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:18:29,777 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:18:29,801 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:18:29,801 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:18:29,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:18:29 BoogieIcfgContainer [2021-12-28 04:18:29,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:18:29,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:18:29,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:18:29,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:18:29,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:18:17" (1/3) ... [2021-12-28 04:18:29,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5063e4ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:18:29, skipping insertion in model container [2021-12-28 04:18:29,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:18:21" (2/3) ... [2021-12-28 04:18:29,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5063e4ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:18:29, skipping insertion in model container [2021-12-28 04:18:29,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:18:29" (3/3) ... [2021-12-28 04:18:29,812 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-28 04:18:29,819 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:18:29,819 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:18:29,870 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:18:29,881 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:18:29,881 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:18:29,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 3883 states, 2503 states have (on average 1.2744706352377146) internal successors, (3190), 2589 states have internal predecessors, (3190), 1134 states have call successors, (1134), 245 states have call predecessors, (1134), 244 states have return successors, (1128), 1099 states have call predecessors, (1128), 1128 states have call successors, (1128) [2021-12-28 04:18:29,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-28 04:18:29,964 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:18:29,964 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, 1, 1, 1, 1] [2021-12-28 04:18:29,965 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:18:29,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:18:29,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1010070639, now seen corresponding path program 1 times [2021-12-28 04:18:29,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:18:29,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793898887] [2021-12-28 04:18:29,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:18:29,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:18:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:18:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:18:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:18:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:18:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:18:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:18:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:18:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:18:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:18:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 04:18:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:18:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-28 04:18:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-28 04:18:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-28 04:18:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-28 04:18:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-28 04:18:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:18:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-28 04:18:30,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:18:30,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793898887] [2021-12-28 04:18:30,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793898887] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:18:30,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:18:30,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:18:30,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019561926] [2021-12-28 04:18:30,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:18:30,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:18:30,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:18:31,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:18:31,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:18:31,079 INFO L87 Difference]: Start difference. First operand has 3883 states, 2503 states have (on average 1.2744706352377146) internal successors, (3190), 2589 states have internal predecessors, (3190), 1134 states have call successors, (1134), 245 states have call predecessors, (1134), 244 states have return successors, (1128), 1099 states have call predecessors, (1128), 1128 states have call successors, (1128) Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 04:18:35,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:18:41,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:18:42,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:18:42,307 INFO L93 Difference]: Finished difference Result 8452 states and 12355 transitions. [2021-12-28 04:18:42,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 04:18:42,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2021-12-28 04:18:42,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:18:42,353 INFO L225 Difference]: With dead ends: 8452 [2021-12-28 04:18:42,354 INFO L226 Difference]: Without dead ends: 4553 [2021-12-28 04:18:42,382 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 [2021-12-28 04:18:42,385 INFO L933 BasicCegarLoop]: 4930 mSDtfsCounter, 4293 mSDsluCounter, 2173 mSDsCounter, 0 mSdLazyCounter, 2290 mSolverCounterSat, 5057 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4402 SdHoareTripleChecker+Valid, 7103 SdHoareTripleChecker+Invalid, 7348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5057 IncrementalHoareTripleChecker+Valid, 2290 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2021-12-28 04:18:42,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4402 Valid, 7103 Invalid, 7348 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5057 Valid, 2290 Invalid, 1 Unknown, 0 Unchecked, 10.6s Time] [2021-12-28 04:18:42,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4553 states. [2021-12-28 04:18:42,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4553 to 3862. [2021-12-28 04:18:42,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3862 states, 2490 states have (on average 1.2690763052208835) internal successors, (3160), 2568 states have internal predecessors, (3160), 1128 states have call successors, (1128), 244 states have call predecessors, (1128), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2021-12-28 04:18:42,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 5410 transitions. [2021-12-28 04:18:42,600 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 5410 transitions. Word has length 253 [2021-12-28 04:18:42,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:18:42,602 INFO L470 AbstractCegarLoop]: Abstraction has 3862 states and 5410 transitions. [2021-12-28 04:18:42,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 04:18:42,603 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 5410 transitions. [2021-12-28 04:18:42,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-28 04:18:42,612 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:18:42,612 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, 1, 1, 1, 1] [2021-12-28 04:18:42,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:18:42,613 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:18:42,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:18:42,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1808246337, now seen corresponding path program 1 times [2021-12-28 04:18:42,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:18:42,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134904748] [2021-12-28 04:18:42,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:18:42,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:18:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:42,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:18:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:42,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:42,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:42,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:18:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:42,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:42,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:42,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:18:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:42,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:42,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:42,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:18:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:42,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:42,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:42,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:18:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:18:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:18:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:18:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:18:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 04:18:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:18:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-28 04:18:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-28 04:18:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-28 04:18:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-28 04:18:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-28 04:18:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:18:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:43,266 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-28 04:18:43,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:18:43,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134904748] [2021-12-28 04:18:43,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134904748] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:18:43,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:18:43,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:18:43,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980829572] [2021-12-28 04:18:43,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:18:43,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:18:43,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:18:43,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:18:43,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:18:43,272 INFO L87 Difference]: Start difference. First operand 3862 states and 5410 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 04:18:48,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:18:54,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:18:54,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:18:54,926 INFO L93 Difference]: Finished difference Result 4555 states and 6593 transitions. [2021-12-28 04:18:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:18:54,927 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2021-12-28 04:18:54,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:18:54,948 INFO L225 Difference]: With dead ends: 4555 [2021-12-28 04:18:54,949 INFO L226 Difference]: Without dead ends: 4552 [2021-12-28 04:18:54,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:18:54,951 INFO L933 BasicCegarLoop]: 4838 mSDtfsCounter, 8982 mSDsluCounter, 2158 mSDsCounter, 0 mSdLazyCounter, 2343 mSolverCounterSat, 6168 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9620 SdHoareTripleChecker+Valid, 6996 SdHoareTripleChecker+Invalid, 8512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6168 IncrementalHoareTripleChecker+Valid, 2343 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:18:54,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9620 Valid, 6996 Invalid, 8512 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6168 Valid, 2343 Invalid, 1 Unknown, 0 Unchecked, 11.3s Time] [2021-12-28 04:18:54,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4552 states. [2021-12-28 04:18:55,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4552 to 3861. [2021-12-28 04:18:55,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3861 states, 2490 states have (on average 1.2686746987951807) internal successors, (3159), 2567 states have internal predecessors, (3159), 1127 states have call successors, (1127), 244 states have call predecessors, (1127), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2021-12-28 04:18:55,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 3861 states and 5408 transitions. [2021-12-28 04:18:55,082 INFO L78 Accepts]: Start accepts. Automaton has 3861 states and 5408 transitions. Word has length 253 [2021-12-28 04:18:55,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:18:55,085 INFO L470 AbstractCegarLoop]: Abstraction has 3861 states and 5408 transitions. [2021-12-28 04:18:55,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 04:18:55,085 INFO L276 IsEmpty]: Start isEmpty. Operand 3861 states and 5408 transitions. [2021-12-28 04:18:55,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-12-28 04:18:55,088 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:18:55,089 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, 1, 1, 1, 1, 1] [2021-12-28 04:18:55,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:18:55,089 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:18:55,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:18:55,089 INFO L85 PathProgramCache]: Analyzing trace with hash -223027263, now seen corresponding path program 1 times [2021-12-28 04:18:55,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:18:55,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062058488] [2021-12-28 04:18:55,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:18:55,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:18:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:18:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:18:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:18:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:18:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:18:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:18:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:18:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:18:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:18:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 04:18:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:18:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-28 04:18:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-28 04:18:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-28 04:18:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-28 04:18:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-28 04:18:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:18:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:55,590 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-28 04:18:55,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:18:55,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062058488] [2021-12-28 04:18:55,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062058488] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:18:55,591 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:18:55,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:18:55,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396902286] [2021-12-28 04:18:55,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:18:55,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:18:55,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:18:55,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:18:55,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:18:55,593 INFO L87 Difference]: Start difference. First operand 3861 states and 5408 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 04:19:08,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:19:09,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:19:09,658 INFO L93 Difference]: Finished difference Result 4554 states and 6591 transitions. [2021-12-28 04:19:09,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:19:09,658 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 254 [2021-12-28 04:19:09,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:19:09,677 INFO L225 Difference]: With dead ends: 4554 [2021-12-28 04:19:09,678 INFO L226 Difference]: Without dead ends: 4551 [2021-12-28 04:19:09,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:19:09,687 INFO L933 BasicCegarLoop]: 4841 mSDtfsCounter, 7809 mSDsluCounter, 3725 mSDsCounter, 0 mSdLazyCounter, 3669 mSolverCounterSat, 4570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8441 SdHoareTripleChecker+Valid, 8566 SdHoareTripleChecker+Invalid, 8239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4570 IncrementalHoareTripleChecker+Valid, 3669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-12-28 04:19:09,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8441 Valid, 8566 Invalid, 8239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4570 Valid, 3669 Invalid, 0 Unknown, 0 Unchecked, 13.8s Time] [2021-12-28 04:19:09,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4551 states. [2021-12-28 04:19:09,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4551 to 3860. [2021-12-28 04:19:09,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3860 states, 2490 states have (on average 1.2682730923694778) internal successors, (3158), 2566 states have internal predecessors, (3158), 1126 states have call successors, (1126), 244 states have call predecessors, (1126), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2021-12-28 04:19:09,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 5406 transitions. [2021-12-28 04:19:09,809 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 5406 transitions. Word has length 254 [2021-12-28 04:19:09,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:19:09,811 INFO L470 AbstractCegarLoop]: Abstraction has 3860 states and 5406 transitions. [2021-12-28 04:19:09,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 04:19:09,812 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 5406 transitions. [2021-12-28 04:19:09,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-12-28 04:19:09,814 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:19:09,814 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, 1, 1, 1, 1, 1, 1] [2021-12-28 04:19:09,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:19:09,814 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:19:09,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:19:09,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1674128642, now seen corresponding path program 1 times [2021-12-28 04:19:09,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:19:09,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127030244] [2021-12-28 04:19:09,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:19:09,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:19:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:09,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:19:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:09,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:19:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:09,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:19:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:09,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:19:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:19:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:19:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:19:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:19:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:19:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:19:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:19:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:19:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:19:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:19:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:19:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:19:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:19:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:19:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:19:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:19:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:19:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:19:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:19:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:19:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:19:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:19:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:19:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 04:19:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:19:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:19:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:19:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-28 04:19:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:19:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-28 04:19:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:19:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-28 04:19:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:19:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-28 04:19:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:19:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-28 04:19:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:19:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:19:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:19:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:19:10,282 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-28 04:19:10,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:19:10,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127030244] [2021-12-28 04:19:10,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127030244] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:19:10,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:19:10,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:19:10,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149186950] [2021-12-28 04:19:10,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:19:10,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:19:10,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:19:10,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:19:10,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:19:10,284 INFO L87 Difference]: Start difference. First operand 3860 states and 5406 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 04:19:13,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []