./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:05:54,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:05:54,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:05:54,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:05:54,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:05:54,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:05:54,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:05:54,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:05:54,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:05:54,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:05:54,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:05:54,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:05:54,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:05:54,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:05:54,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:05:54,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:05:54,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:05:54,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:05:54,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:05:54,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:05:54,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:05:54,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:05:54,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:05:54,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:05:54,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:05:54,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:05:54,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:05:54,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:05:54,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:05:54,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:05:54,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:05:54,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:05:54,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:05:54,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:05:54,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:05:54,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:05:54,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:05:54,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:05:54,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:05:54,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:05:54,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:05:54,257 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:05:54,281 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:05:54,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:05:54,282 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:05:54,282 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:05:54,283 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:05:54,283 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:05:54,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:05:54,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:05:54,284 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:05:54,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:05:54,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:05:54,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:05:54,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:05:54,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:05:54,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:05:54,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:05:54,286 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:05:54,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:05:54,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:05:54,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:05:54,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:05:54,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:05:54,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:05:54,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:05:54,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:05:54,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:05:54,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:05:54,288 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:05:54,288 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:05:54,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:05:54,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:05:54,289 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 [2021-12-14 18:05:54,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:05:54,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:05:54,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:05:54,504 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:05:54,505 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:05:54,509 INFO L432 ainManager$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 [2021-12-14 18:05:54,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6858220c6/bd2b6aa9101d4a15b3a25002a58257cb/FLAGf1403fa16 [2021-12-14 18:05:55,334 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:05:55,335 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 [2021-12-14 18:05:55,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6858220c6/bd2b6aa9101d4a15b3a25002a58257cb/FLAGf1403fa16 [2021-12-14 18:05:55,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6858220c6/bd2b6aa9101d4a15b3a25002a58257cb [2021-12-14 18:05:55,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:05:55,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:05:55,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:05:55,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:05:55,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:05:55,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:05:55" (1/1) ... [2021-12-14 18:05:55,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a00b20f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:55, skipping insertion in model container [2021-12-14 18:05:55,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:05:55" (1/1) ... [2021-12-14 18:05:55,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:05:55,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:05:59,704 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] [2021-12-14 18:05:59,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:05:59,923 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:06:00,313 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] [2021-12-14 18:06:00,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:06:00,535 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:06:00,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:00 WrapperNode [2021-12-14 18:06:00,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:06:00,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:06:00,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:06:00,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:06:00,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:00" (1/1) ... [2021-12-14 18:06:00,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:00" (1/1) ... [2021-12-14 18:06:00,936 INFO L137 Inliner]: procedures = 664, calls = 4061, calls flagged for inlining = 272, calls inlined = 262, statements flattened = 9806 [2021-12-14 18:06:00,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:06:00,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:06:00,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:06:00,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:06:00,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:00" (1/1) ... [2021-12-14 18:06:00,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:00" (1/1) ... [2021-12-14 18:06:01,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:00" (1/1) ... [2021-12-14 18:06:01,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:00" (1/1) ... [2021-12-14 18:06:01,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:00" (1/1) ... [2021-12-14 18:06:01,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:00" (1/1) ... [2021-12-14 18:06:01,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:00" (1/1) ... [2021-12-14 18:06:01,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:06:01,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:06:01,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:06:01,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:06:01,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:00" (1/1) ... [2021-12-14 18:06:01,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:06:01,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:06:01,449 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) [2021-12-14 18:06:01,499 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 [2021-12-14 18:06:01,530 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2021-12-14 18:06:01,530 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2021-12-14 18:06:01,530 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2021-12-14 18:06:01,530 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2021-12-14 18:06:01,530 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-14 18:06:01,530 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-14 18:06:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2021-12-14 18:06:01,531 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2021-12-14 18:06:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-14 18:06:01,531 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-14 18:06:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2021-12-14 18:06:01,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2021-12-14 18:06:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2021-12-14 18:06:01,532 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2021-12-14 18:06:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-14 18:06:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2021-12-14 18:06:01,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2021-12-14 18:06:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2021-12-14 18:06:01,532 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2021-12-14 18:06:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2021-12-14 18:06:01,532 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2021-12-14 18:06:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:06:01,533 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:06:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2021-12-14 18:06:01,533 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2021-12-14 18:06:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2021-12-14 18:06:01,533 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2021-12-14 18:06:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2021-12-14 18:06:01,533 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2021-12-14 18:06:01,534 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-14 18:06:01,534 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-14 18:06:01,534 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2021-12-14 18:06:01,534 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2021-12-14 18:06:01,534 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2021-12-14 18:06:01,534 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2021-12-14 18:06:01,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:06:01,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:06:01,535 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2021-12-14 18:06:01,535 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2021-12-14 18:06:01,535 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2021-12-14 18:06:01,535 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2021-12-14 18:06:01,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-14 18:06:01,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-14 18:06:01,536 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2021-12-14 18:06:01,536 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2021-12-14 18:06:01,536 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2021-12-14 18:06:01,536 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2021-12-14 18:06:01,536 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2021-12-14 18:06:01,536 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-14 18:06:01,537 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-14 18:06:01,537 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-14 18:06:01,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-14 18:06:01,537 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2021-12-14 18:06:01,537 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2021-12-14 18:06:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2021-12-14 18:06:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2021-12-14 18:06:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:06:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:06:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2021-12-14 18:06:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2021-12-14 18:06:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2021-12-14 18:06:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2021-12-14 18:06:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:06:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:06:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2021-12-14 18:06:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2021-12-14 18:06:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2021-12-14 18:06:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2021-12-14 18:06:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2021-12-14 18:06:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2021-12-14 18:06:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2021-12-14 18:06:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2021-12-14 18:06:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2021-12-14 18:06:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2021-12-14 18:06:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2021-12-14 18:06:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2021-12-14 18:06:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:06:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:06:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2021-12-14 18:06:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2021-12-14 18:06:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2021-12-14 18:06:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2021-12-14 18:06:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2021-12-14 18:06:01,544 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2021-12-14 18:06:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2021-12-14 18:06:01,544 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2021-12-14 18:06:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2021-12-14 18:06:01,544 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2021-12-14 18:06:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-14 18:06:01,545 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-14 18:06:01,545 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-14 18:06:01,545 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2021-12-14 18:06:01,545 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2021-12-14 18:06:01,545 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2021-12-14 18:06:01,545 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2021-12-14 18:06:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:06:01,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:06:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:06:01,546 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:06:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2021-12-14 18:06:01,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2021-12-14 18:06:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:06:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2021-12-14 18:06:01,547 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2021-12-14 18:06:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2021-12-14 18:06:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2021-12-14 18:06:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:06:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:06:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2021-12-14 18:06:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2021-12-14 18:06:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2021-12-14 18:06:01,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2021-12-14 18:06:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-14 18:06:01,549 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-14 18:06:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2021-12-14 18:06:01,549 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2021-12-14 18:06:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:06:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2021-12-14 18:06:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2021-12-14 18:06:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2021-12-14 18:06:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2021-12-14 18:06:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 18:06:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 18:06:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2021-12-14 18:06:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2021-12-14 18:06:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2021-12-14 18:06:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2021-12-14 18:06:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:06:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2021-12-14 18:06:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2021-12-14 18:06:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2021-12-14 18:06:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2021-12-14 18:06:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2021-12-14 18:06:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2021-12-14 18:06:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2021-12-14 18:06:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2021-12-14 18:06:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:06:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2021-12-14 18:06:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2021-12-14 18:06:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2021-12-14 18:06:01,559 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2021-12-14 18:06:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:06:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:06:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2021-12-14 18:06:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2021-12-14 18:06:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2021-12-14 18:06:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2021-12-14 18:06:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2021-12-14 18:06:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2021-12-14 18:06:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-14 18:06:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-14 18:06:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2021-12-14 18:06:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2021-12-14 18:06:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2021-12-14 18:06:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2021-12-14 18:06:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 18:06:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 18:06:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2021-12-14 18:06:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2021-12-14 18:06:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2021-12-14 18:06:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2021-12-14 18:06:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_19 [2021-12-14 18:06:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_19 [2021-12-14 18:06:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:06:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:06:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2021-12-14 18:06:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2021-12-14 18:06:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2021-12-14 18:06:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2021-12-14 18:06:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2021-12-14 18:06:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2021-12-14 18:06:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:06:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-14 18:06:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-14 18:06:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2021-12-14 18:06:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2021-12-14 18:06:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-14 18:06:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-14 18:06:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:06:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2021-12-14 18:06:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2021-12-14 18:06:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2021-12-14 18:06:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2021-12-14 18:06:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2021-12-14 18:06:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2021-12-14 18:06:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:06:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:06:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:06:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2021-12-14 18:06:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2021-12-14 18:06:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-14 18:06:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-14 18:06:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2021-12-14 18:06:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2021-12-14 18:06:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2021-12-14 18:06:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2021-12-14 18:06:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2021-12-14 18:06:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2021-12-14 18:06:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-14 18:06:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-14 18:06:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2021-12-14 18:06:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2021-12-14 18:06:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2021-12-14 18:06:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2021-12-14 18:06:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-14 18:06:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-14 18:06:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2021-12-14 18:06:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2021-12-14 18:06:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2021-12-14 18:06:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2021-12-14 18:06:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 18:06:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 18:06:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2021-12-14 18:06:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2021-12-14 18:06:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2021-12-14 18:06:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2021-12-14 18:06:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2021-12-14 18:06:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2021-12-14 18:06:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2021-12-14 18:06:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2021-12-14 18:06:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2021-12-14 18:06:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2021-12-14 18:06:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-14 18:06:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-14 18:06:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2021-12-14 18:06:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2021-12-14 18:06:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-14 18:06:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-14 18:06:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:06:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:06:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2021-12-14 18:06:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2021-12-14 18:06:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2021-12-14 18:06:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2021-12-14 18:06:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2021-12-14 18:06:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2021-12-14 18:06:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2021-12-14 18:06:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2021-12-14 18:06:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-14 18:06:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-14 18:06:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2021-12-14 18:06:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2021-12-14 18:06:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:06:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:06:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2021-12-14 18:06:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2021-12-14 18:06:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 18:06:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 18:06:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2021-12-14 18:06:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2021-12-14 18:06:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2021-12-14 18:06:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2021-12-14 18:06:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2021-12-14 18:06:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2021-12-14 18:06:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2021-12-14 18:06:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2021-12-14 18:06:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2021-12-14 18:06:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2021-12-14 18:06:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2021-12-14 18:06:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2021-12-14 18:06:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:06:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:06:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:06:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:06:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2021-12-14 18:06:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2021-12-14 18:06:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2021-12-14 18:06:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2021-12-14 18:06:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2021-12-14 18:06:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2021-12-14 18:06:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2021-12-14 18:06:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2021-12-14 18:06:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2021-12-14 18:06:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2021-12-14 18:06:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2021-12-14 18:06:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2021-12-14 18:06:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2021-12-14 18:06:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2021-12-14 18:06:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2021-12-14 18:06:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2021-12-14 18:06:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2021-12-14 18:06:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2021-12-14 18:06:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2021-12-14 18:06:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2021-12-14 18:06:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2021-12-14 18:06:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2021-12-14 18:06:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2021-12-14 18:06:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2021-12-14 18:06:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2021-12-14 18:06:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2021-12-14 18:06:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:06:01,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:06:01,582 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2021-12-14 18:06:01,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2021-12-14 18:06:01,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:06:01,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:06:01,582 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-14 18:06:01,582 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-14 18:06:01,582 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2021-12-14 18:06:01,582 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2021-12-14 18:06:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 18:06:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 18:06:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:06:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:06:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2021-12-14 18:06:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2021-12-14 18:06:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:06:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:06:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2021-12-14 18:06:01,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2021-12-14 18:06:01,584 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2021-12-14 18:06:01,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2021-12-14 18:06:01,584 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2021-12-14 18:06:01,584 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2021-12-14 18:06:01,584 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-14 18:06:01,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-14 18:06:01,584 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2021-12-14 18:06:01,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2021-12-14 18:06:01,585 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-14 18:06:01,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-14 18:06:01,585 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2021-12-14 18:06:01,585 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2021-12-14 18:06:01,585 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2021-12-14 18:06:01,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2021-12-14 18:06:01,585 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2021-12-14 18:06:01,585 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2021-12-14 18:06:01,585 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2021-12-14 18:06:01,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2021-12-14 18:06:01,586 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-14 18:06:01,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-14 18:06:01,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:06:01,586 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:06:01,586 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:06:01,586 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-14 18:06:01,586 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-14 18:06:01,586 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2021-12-14 18:06:01,586 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2021-12-14 18:06:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:06:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2021-12-14 18:06:01,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2021-12-14 18:06:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-14 18:06:01,587 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-14 18:06:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2021-12-14 18:06:01,587 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2021-12-14 18:06:01,587 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2021-12-14 18:06:01,587 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2021-12-14 18:06:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-14 18:06:01,588 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-14 18:06:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2021-12-14 18:06:01,588 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2021-12-14 18:06:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2021-12-14 18:06:01,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2021-12-14 18:06:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2021-12-14 18:06:01,588 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2021-12-14 18:06:01,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:06:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2021-12-14 18:06:01,589 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2021-12-14 18:06:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2021-12-14 18:06:01,589 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2021-12-14 18:06:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:06:01,589 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:06:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-14 18:06:01,589 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-14 18:06:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 18:06:01,590 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 18:06:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2021-12-14 18:06:01,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2021-12-14 18:06:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 18:06:01,590 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 18:06:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2021-12-14 18:06:01,590 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2021-12-14 18:06:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2021-12-14 18:06:01,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2021-12-14 18:06:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2021-12-14 18:06:01,591 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2021-12-14 18:06:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-14 18:06:01,591 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-14 18:06:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2021-12-14 18:06:01,591 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2021-12-14 18:06:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2021-12-14 18:06:01,591 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2021-12-14 18:06:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2021-12-14 18:06:01,592 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2021-12-14 18:06:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2021-12-14 18:06:01,592 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2021-12-14 18:06:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2021-12-14 18:06:01,592 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2021-12-14 18:06:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 18:06:01,592 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 18:06:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2021-12-14 18:06:01,592 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2021-12-14 18:06:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2021-12-14 18:06:01,593 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2021-12-14 18:06:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2021-12-14 18:06:01,593 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2021-12-14 18:06:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2021-12-14 18:06:01,593 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2021-12-14 18:06:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2021-12-14 18:06:01,593 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2021-12-14 18:06:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2021-12-14 18:06:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2021-12-14 18:06:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2021-12-14 18:06:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2021-12-14 18:06:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2021-12-14 18:06:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2021-12-14 18:06:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2021-12-14 18:06:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2021-12-14 18:06:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:06:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:06:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2021-12-14 18:06:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2021-12-14 18:06:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2021-12-14 18:06:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:06:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:06:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2021-12-14 18:06:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2021-12-14 18:06:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:06:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2021-12-14 18:06:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2021-12-14 18:06:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2021-12-14 18:06:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2021-12-14 18:06:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:06:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:06:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2021-12-14 18:06:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2021-12-14 18:06:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:06:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:06:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2021-12-14 18:06:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2021-12-14 18:06:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2021-12-14 18:06:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2021-12-14 18:06:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-14 18:06:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-14 18:06:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2021-12-14 18:06:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2021-12-14 18:06:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2021-12-14 18:06:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2021-12-14 18:06:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2021-12-14 18:06:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2021-12-14 18:06:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2021-12-14 18:06:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2021-12-14 18:06:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2021-12-14 18:06:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2021-12-14 18:06:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-12-14 18:06:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-12-14 18:06:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2021-12-14 18:06:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2021-12-14 18:06:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2021-12-14 18:06:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2021-12-14 18:06:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2021-12-14 18:06:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2021-12-14 18:06:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-14 18:06:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-14 18:06:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2021-12-14 18:06:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2021-12-14 18:06:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2021-12-14 18:06:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2021-12-14 18:06:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2021-12-14 18:06:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2021-12-14 18:06:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-14 18:06:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-14 18:06:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2021-12-14 18:06:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2021-12-14 18:06:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2021-12-14 18:06:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2021-12-14 18:06:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2021-12-14 18:06:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2021-12-14 18:06:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-14 18:06:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-14 18:06:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2021-12-14 18:06:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2021-12-14 18:06:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-14 18:06:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-14 18:06:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2021-12-14 18:06:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2021-12-14 18:06:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2021-12-14 18:06:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2021-12-14 18:06:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2021-12-14 18:06:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2021-12-14 18:06:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2021-12-14 18:06:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2021-12-14 18:06:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2021-12-14 18:06:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2021-12-14 18:06:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2021-12-14 18:06:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2021-12-14 18:06:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2021-12-14 18:06:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2021-12-14 18:06:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2021-12-14 18:06:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:06:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:06:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:06:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:06:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2021-12-14 18:06:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2021-12-14 18:06:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2021-12-14 18:06:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2021-12-14 18:06:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2021-12-14 18:06:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2021-12-14 18:06:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2021-12-14 18:06:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2021-12-14 18:06:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:06:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2021-12-14 18:06:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2021-12-14 18:06:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2021-12-14 18:06:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2021-12-14 18:06:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2021-12-14 18:06:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2021-12-14 18:06:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-14 18:06:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-14 18:06:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-14 18:06:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2021-12-14 18:06:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2021-12-14 18:06:02,841 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:06:02,846 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:06:03,356 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:06:11,877 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:06:11,919 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:06:11,921 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:06:11,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:06:11 BoogieIcfgContainer [2021-12-14 18:06:11,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:06:11,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:06:11,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:06:11,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:06:11,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:05:55" (1/3) ... [2021-12-14 18:06:11,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf3e44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:06:11, skipping insertion in model container [2021-12-14 18:06:11,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:00" (2/3) ... [2021-12-14 18:06:11,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf3e44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:06:11, skipping insertion in model container [2021-12-14 18:06:11,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:06:11" (3/3) ... [2021-12-14 18:06:11,934 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-14 18:06:11,942 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:06:11,942 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:06:11,995 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:06:12,009 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 [2021-12-14 18:06:12,010 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:06:12,078 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) [2021-12-14 18:06:12,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-14 18:06:12,095 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:06:12,096 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] [2021-12-14 18:06:12,097 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:06:12,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:06:12,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1010070639, now seen corresponding path program 1 times [2021-12-14 18:06:12,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:06:12,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842568021] [2021-12-14 18:06:12,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:06:12,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:06:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:06:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:06:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:06:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:06:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:06:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:06:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:06:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:06:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:06:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:06:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:06:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:06:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:06:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:12,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:06:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:13,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:13,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:06:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:13,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:13,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:06:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:13,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:06:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:13,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-14 18:06:13,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:06:13,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842568021] [2021-12-14 18:06:13,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842568021] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:06:13,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:06:13,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:06:13,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156318729] [2021-12-14 18:06:13,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:06:13,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:06:13,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:06:13,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:06:13,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:06:13,101 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) [2021-12-14 18:06:19,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:06:23,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:06:25,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:06:25,368 INFO L93 Difference]: Finished difference Result 8452 states and 12355 transitions. [2021-12-14 18:06:25,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 18:06:25,381 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 [2021-12-14 18:06:25,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:06:25,491 INFO L225 Difference]: With dead ends: 8452 [2021-12-14 18:06:25,491 INFO L226 Difference]: Without dead ends: 4553 [2021-12-14 18:06:25,541 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 [2021-12-14 18:06:25,545 INFO L933 BasicCegarLoop]: 4939 mSDtfsCounter, 4283 mSDsluCounter, 2170 mSDsCounter, 0 mSdLazyCounter, 2305 mSolverCounterSat, 5042 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4389 SdHoareTripleChecker+Valid, 7109 SdHoareTripleChecker+Invalid, 7347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5042 IncrementalHoareTripleChecker+Valid, 2305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2021-12-14 18:06:25,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4389 Valid, 7109 Invalid, 7347 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5042 Valid, 2305 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2021-12-14 18:06:25,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4553 states. [2021-12-14 18:06:25,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4553 to 3862. [2021-12-14 18:06:25,778 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) [2021-12-14 18:06:25,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 5410 transitions. [2021-12-14 18:06:25,804 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 5410 transitions. Word has length 253 [2021-12-14 18:06:25,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:06:25,805 INFO L470 AbstractCegarLoop]: Abstraction has 3862 states and 5410 transitions. [2021-12-14 18:06:25,806 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) [2021-12-14 18:06:25,806 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 5410 transitions. [2021-12-14 18:06:25,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-14 18:06:25,813 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:06:25,813 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] [2021-12-14 18:06:25,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:06:25,814 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:06:25,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:06:25,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1808246337, now seen corresponding path program 1 times [2021-12-14 18:06:25,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:06:25,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578259575] [2021-12-14 18:06:25,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:06:25,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:06:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:06:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:06:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:06:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:06:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:06:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:06:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:06:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:06:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:06:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:06:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:06:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:06:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:06:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:06:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:06:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:06:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:06:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:26,509 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-14 18:06:26,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:06:26,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578259575] [2021-12-14 18:06:26,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578259575] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:06:26,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:06:26,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:06:26,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169556122] [2021-12-14 18:06:26,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:06:26,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:06:26,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:06:26,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:06:26,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:06:26,513 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) [2021-12-14 18:06:36,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:06:36,460 INFO L93 Difference]: Finished difference Result 4555 states and 6593 transitions. [2021-12-14 18:06:36,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:06:36,461 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 [2021-12-14 18:06:36,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:06:36,483 INFO L225 Difference]: With dead ends: 4555 [2021-12-14 18:06:36,484 INFO L226 Difference]: Without dead ends: 4552 [2021-12-14 18:06:36,485 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 [2021-12-14 18:06:36,486 INFO L933 BasicCegarLoop]: 4841 mSDtfsCounter, 8976 mSDsluCounter, 2157 mSDsCounter, 0 mSdLazyCounter, 2352 mSolverCounterSat, 6166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9609 SdHoareTripleChecker+Valid, 6998 SdHoareTripleChecker+Invalid, 8518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6166 IncrementalHoareTripleChecker+Valid, 2352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:06:36,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9609 Valid, 6998 Invalid, 8518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6166 Valid, 2352 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2021-12-14 18:06:36,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4552 states. [2021-12-14 18:06:36,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4552 to 3861. [2021-12-14 18:06:36,588 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) [2021-12-14 18:06:36,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 3861 states and 5408 transitions. [2021-12-14 18:06:36,601 INFO L78 Accepts]: Start accepts. Automaton has 3861 states and 5408 transitions. Word has length 253 [2021-12-14 18:06:36,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:06:36,603 INFO L470 AbstractCegarLoop]: Abstraction has 3861 states and 5408 transitions. [2021-12-14 18:06:36,603 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) [2021-12-14 18:06:36,603 INFO L276 IsEmpty]: Start isEmpty. Operand 3861 states and 5408 transitions. [2021-12-14 18:06:36,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-12-14 18:06:36,606 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:06:36,606 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] [2021-12-14 18:06:36,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:06:36,607 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:06:36,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:06:36,607 INFO L85 PathProgramCache]: Analyzing trace with hash -223027263, now seen corresponding path program 1 times [2021-12-14 18:06:36,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:06:36,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737881324] [2021-12-14 18:06:36,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:06:36,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:06:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:06:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:06:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:06:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:06:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:06:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:06:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:06:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:06:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:06:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:06:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:06:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:06:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:06:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:06:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:36,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:37,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:06:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:37,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:37,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:06:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:37,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:37,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:06:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:37,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:37,080 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-14 18:06:37,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:06:37,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737881324] [2021-12-14 18:06:37,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737881324] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:06:37,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:06:37,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:06:37,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321300144] [2021-12-14 18:06:37,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:06:37,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:06:37,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:06:37,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:06:37,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:06:37,085 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) [2021-12-14 18:06:42,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:06:45,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:06:52,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:06:53,484 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:06:54,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:06:56,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:06:56,041 INFO L93 Difference]: Finished difference Result 4554 states and 6591 transitions. [2021-12-14 18:06:56,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:06:56,041 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 [2021-12-14 18:06:56,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:06:56,077 INFO L225 Difference]: With dead ends: 4554 [2021-12-14 18:06:56,078 INFO L226 Difference]: Without dead ends: 4551 [2021-12-14 18:06:56,079 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 [2021-12-14 18:06:56,080 INFO L933 BasicCegarLoop]: 4841 mSDtfsCounter, 7802 mSDsluCounter, 3718 mSDsCounter, 0 mSdLazyCounter, 3671 mSolverCounterSat, 4567 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8433 SdHoareTripleChecker+Valid, 8559 SdHoareTripleChecker+Invalid, 8239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4567 IncrementalHoareTripleChecker+Valid, 3671 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2021-12-14 18:06:56,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8433 Valid, 8559 Invalid, 8239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4567 Valid, 3671 Invalid, 1 Unknown, 0 Unchecked, 18.5s Time] [2021-12-14 18:06:56,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4551 states. [2021-12-14 18:06:56,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4551 to 3860. [2021-12-14 18:06:56,193 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) [2021-12-14 18:06:56,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 5406 transitions. [2021-12-14 18:06:56,207 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 5406 transitions. Word has length 254 [2021-12-14 18:06:56,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:06:56,209 INFO L470 AbstractCegarLoop]: Abstraction has 3860 states and 5406 transitions. [2021-12-14 18:06:56,209 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) [2021-12-14 18:06:56,209 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 5406 transitions. [2021-12-14 18:06:56,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-12-14 18:06:56,211 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:06:56,212 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] [2021-12-14 18:06:56,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:06:56,212 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:06:56,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:06:56,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1674128642, now seen corresponding path program 1 times [2021-12-14 18:06:56,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:06:56,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712172483] [2021-12-14 18:06:56,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:06:56,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:06:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:06:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:06:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:06:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:06:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:06:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:06:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:06:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:06:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:06:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:06:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:06:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:06:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:06:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:06:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:06:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:06:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:06:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:06:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:06:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:06:56,729 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-14 18:06:56,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:06:56,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712172483] [2021-12-14 18:06:56,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712172483] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:06:56,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:06:56,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:06:56,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262642150] [2021-12-14 18:06:56,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:06:56,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:06:56,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:06:56,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:06:56,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:06:56,732 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)