./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/bin/utaipan-G1rejxKTta/config/TaipanReach.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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/bin/utaipan-G1rejxKTta --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:23:02,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:23:02,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:23:02,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:23:02,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:23:02,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:23:02,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:23:02,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:23:02,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:23:02,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:23:02,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:23:02,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:23:02,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:23:02,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:23:02,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:23:02,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:23:02,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:23:02,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:23:02,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:23:02,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:23:02,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:23:02,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:23:02,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:23:02,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:23:02,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:23:02,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:23:02,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:23:02,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:23:02,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:23:02,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:23:02,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:23:02,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:23:02,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:23:02,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:23:02,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:23:02,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:23:02,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:23:02,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:23:02,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:23:02,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:23:02,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:23:02,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:23:02,473 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:23:02,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:23:02,474 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:23:02,474 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:23:02,475 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:23:02,475 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:23:02,476 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:23:02,476 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:23:02,476 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:23:02,476 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:23:02,477 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:23:02,478 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:23:02,478 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:23:02,478 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:23:02,478 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:23:02,478 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:23:02,478 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:23:02,479 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:23:02,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:23:02,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:23:02,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:23:02,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:23:02,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:23:02,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:23:02,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:23:02,481 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:23:02,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:23:02,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:23:02,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:23:02,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:23:02,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:23:02,483 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:23:02,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:23:02,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:23:02,484 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:23:02,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:23:02,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:23:02,485 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:23:02,485 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 [2022-10-17 17:23:02,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:23:02,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:23:02,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:23:02,766 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:23:02,766 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:23:02,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/bin/utaipan-G1rejxKTta/../../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 [2022-10-17 17:23:02,837 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/bin/utaipan-G1rejxKTta/data/eed226580/7457b22c73344d2ab935d6be2e328729/FLAG35259797d [2022-10-17 17:23:03,891 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:23:03,892 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/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 [2022-10-17 17:23:03,969 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/bin/utaipan-G1rejxKTta/data/eed226580/7457b22c73344d2ab935d6be2e328729/FLAG35259797d [2022-10-17 17:23:04,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/bin/utaipan-G1rejxKTta/data/eed226580/7457b22c73344d2ab935d6be2e328729 [2022-10-17 17:23:04,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:23:04,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:23:04,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:23:04,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:23:04,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:23:04,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:23:04" (1/1) ... [2022-10-17 17:23:04,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2886d666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:04, skipping insertion in model container [2022-10-17 17:23:04,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:23:04" (1/1) ... [2022-10-17 17:23:04,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:23:04,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:23:09,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/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] [2022-10-17 17:23:09,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:23:09,357 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:23:09,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/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] [2022-10-17 17:23:09,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:23:10,277 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:23:10,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:10 WrapperNode [2022-10-17 17:23:10,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:23:10,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:23:10,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:23:10,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:23:10,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:10" (1/1) ... [2022-10-17 17:23:10,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:10" (1/1) ... [2022-10-17 17:23:10,991 INFO L138 Inliner]: procedures = 664, calls = 4061, calls flagged for inlining = 272, calls inlined = 262, statements flattened = 9806 [2022-10-17 17:23:11,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:23:11,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:23:11,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:23:11,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:23:11,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:10" (1/1) ... [2022-10-17 17:23:11,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:10" (1/1) ... [2022-10-17 17:23:11,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:10" (1/1) ... [2022-10-17 17:23:11,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:10" (1/1) ... [2022-10-17 17:23:11,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:10" (1/1) ... [2022-10-17 17:23:11,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:10" (1/1) ... [2022-10-17 17:23:11,518 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:10" (1/1) ... [2022-10-17 17:23:11,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:10" (1/1) ... [2022-10-17 17:23:11,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:23:11,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:23:11,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:23:11,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:23:11,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:10" (1/1) ... [2022-10-17 17:23:11,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:23:11,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:23:11,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:23:11,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1815a735-d22f-4bfe-87a7-6710c22426c6/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:23:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2022-10-17 17:23:11,722 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2022-10-17 17:23:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2022-10-17 17:23:11,722 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2022-10-17 17:23:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-10-17 17:23:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-10-17 17:23:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2022-10-17 17:23:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2022-10-17 17:23:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-10-17 17:23:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-10-17 17:23:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2022-10-17 17:23:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2022-10-17 17:23:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2022-10-17 17:23:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2022-10-17 17:23:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-10-17 17:23:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2022-10-17 17:23:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2022-10-17 17:23:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-10-17 17:23:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-10-17 17:23:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2022-10-17 17:23:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2022-10-17 17:23:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 17:23:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 17:23:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2022-10-17 17:23:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2022-10-17 17:23:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2022-10-17 17:23:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2022-10-17 17:23:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2022-10-17 17:23:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2022-10-17 17:23:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-10-17 17:23:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-10-17 17:23:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2022-10-17 17:23:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2022-10-17 17:23:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2022-10-17 17:23:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2022-10-17 17:23:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 17:23:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 17:23:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2022-10-17 17:23:11,729 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2022-10-17 17:23:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2022-10-17 17:23:11,729 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2022-10-17 17:23:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-10-17 17:23:11,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-10-17 17:23:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2022-10-17 17:23:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2022-10-17 17:23:11,730 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2022-10-17 17:23:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2022-10-17 17:23:11,731 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2022-10-17 17:23:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-10-17 17:23:11,732 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-10-17 17:23:11,733 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-10-17 17:23:11,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-10-17 17:23:11,733 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2022-10-17 17:23:11,733 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2022-10-17 17:23:11,733 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2022-10-17 17:23:11,733 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2022-10-17 17:23:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-17 17:23:11,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-17 17:23:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2022-10-17 17:23:11,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2022-10-17 17:23:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2022-10-17 17:23:11,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2022-10-17 17:23:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 17:23:11,736 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 17:23:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2022-10-17 17:23:11,736 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2022-10-17 17:23:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2022-10-17 17:23:11,736 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2022-10-17 17:23:11,737 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2022-10-17 17:23:11,737 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2022-10-17 17:23:11,737 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2022-10-17 17:23:11,738 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2022-10-17 17:23:11,738 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2022-10-17 17:23:11,738 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2022-10-17 17:23:11,738 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2022-10-17 17:23:11,738 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2022-10-17 17:23:11,739 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 17:23:11,739 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 17:23:11,739 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2022-10-17 17:23:11,739 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2022-10-17 17:23:11,739 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2022-10-17 17:23:11,739 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2022-10-17 17:23:11,740 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2022-10-17 17:23:11,740 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2022-10-17 17:23:11,741 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2022-10-17 17:23:11,741 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2022-10-17 17:23:11,741 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2022-10-17 17:23:11,741 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2022-10-17 17:23:11,742 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-10-17 17:23:11,742 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-10-17 17:23:11,742 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-10-17 17:23:11,743 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2022-10-17 17:23:11,743 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2022-10-17 17:23:11,744 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2022-10-17 17:23:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2022-10-17 17:23:11,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 17:23:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 17:23:11,744 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 17:23:11,745 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 17:23:11,745 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2022-10-17 17:23:11,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2022-10-17 17:23:11,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:23:11,745 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2022-10-17 17:23:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2022-10-17 17:23:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2022-10-17 17:23:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2022-10-17 17:23:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 17:23:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 17:23:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2022-10-17 17:23:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2022-10-17 17:23:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2022-10-17 17:23:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2022-10-17 17:23:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-17 17:23:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-17 17:23:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2022-10-17 17:23:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2022-10-17 17:23:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 17:23:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2022-10-17 17:23:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2022-10-17 17:23:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2022-10-17 17:23:11,760 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2022-10-17 17:23:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 17:23:11,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 17:23:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2022-10-17 17:23:11,761 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2022-10-17 17:23:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2022-10-17 17:23:11,761 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2022-10-17 17:23:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 17:23:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2022-10-17 17:23:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2022-10-17 17:23:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2022-10-17 17:23:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2022-10-17 17:23:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2022-10-17 17:23:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2022-10-17 17:23:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2022-10-17 17:23:11,763 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2022-10-17 17:23:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:23:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2022-10-17 17:23:11,763 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2022-10-17 17:23:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2022-10-17 17:23:11,763 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2022-10-17 17:23:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 17:23:11,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 17:23:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2022-10-17 17:23:11,764 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2022-10-17 17:23:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2022-10-17 17:23:11,764 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2022-10-17 17:23:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2022-10-17 17:23:11,764 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2022-10-17 17:23:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-10-17 17:23:11,765 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-10-17 17:23:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2022-10-17 17:23:11,765 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2022-10-17 17:23:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2022-10-17 17:23:11,765 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2022-10-17 17:23:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-17 17:23:11,765 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-17 17:23:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2022-10-17 17:23:11,766 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2022-10-17 17:23:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2022-10-17 17:23:11,766 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2022-10-17 17:23:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_19 [2022-10-17 17:23:11,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_19 [2022-10-17 17:23:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 17:23:11,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 17:23:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2022-10-17 17:23:11,767 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2022-10-17 17:23:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2022-10-17 17:23:11,767 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2022-10-17 17:23:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2022-10-17 17:23:11,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2022-10-17 17:23:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:23:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-10-17 17:23:11,768 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-10-17 17:23:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2022-10-17 17:23:11,768 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2022-10-17 17:23:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-17 17:23:11,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-10-17 17:23:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:23:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2022-10-17 17:23:11,769 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2022-10-17 17:23:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-10-17 17:23:11,769 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-10-17 17:23:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2022-10-17 17:23:11,769 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2022-10-17 17:23:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:23:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 17:23:11,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 17:23:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2022-10-17 17:23:11,770 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2022-10-17 17:23:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-10-17 17:23:11,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-10-17 17:23:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2022-10-17 17:23:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2022-10-17 17:23:11,771 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2022-10-17 17:23:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2022-10-17 17:23:11,771 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2022-10-17 17:23:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2022-10-17 17:23:11,771 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-10-17 17:23:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-10-17 17:23:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2022-10-17 17:23:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2022-10-17 17:23:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2022-10-17 17:23:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2022-10-17 17:23:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-10-17 17:23:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-10-17 17:23:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2022-10-17 17:23:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2022-10-17 17:23:11,773 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2022-10-17 17:23:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2022-10-17 17:23:11,773 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-10-17 17:23:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-10-17 17:23:11,773 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2022-10-17 17:23:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2022-10-17 17:23:11,773 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2022-10-17 17:23:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2022-10-17 17:23:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2022-10-17 17:23:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2022-10-17 17:23:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2022-10-17 17:23:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2022-10-17 17:23:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2022-10-17 17:23:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2022-10-17 17:23:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-10-17 17:23:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-10-17 17:23:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2022-10-17 17:23:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2022-10-17 17:23:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-17 17:23:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-17 17:23:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 17:23:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 17:23:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2022-10-17 17:23:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2022-10-17 17:23:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2022-10-17 17:23:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2022-10-17 17:23:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2022-10-17 17:23:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2022-10-17 17:23:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2022-10-17 17:23:11,778 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2022-10-17 17:23:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-10-17 17:23:11,781 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-10-17 17:23:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2022-10-17 17:23:11,782 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2022-10-17 17:23:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:23:11,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:23:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2022-10-17 17:23:11,782 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2022-10-17 17:23:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 17:23:11,783 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 17:23:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2022-10-17 17:23:11,784 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2022-10-17 17:23:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2022-10-17 17:23:11,784 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2022-10-17 17:23:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-10-17 17:23:11,784 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-10-17 17:23:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2022-10-17 17:23:11,785 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2022-10-17 17:23:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2022-10-17 17:23:11,785 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2022-10-17 17:23:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2022-10-17 17:23:11,785 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2022-10-17 17:23:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 17:23:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 17:23:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 17:23:11,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 17:23:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2022-10-17 17:23:11,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2022-10-17 17:23:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2022-10-17 17:23:11,786 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2022-10-17 17:23:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2022-10-17 17:23:11,786 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2022-10-17 17:23:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2022-10-17 17:23:11,787 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2022-10-17 17:23:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2022-10-17 17:23:11,787 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2022-10-17 17:23:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2022-10-17 17:23:11,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2022-10-17 17:23:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2022-10-17 17:23:11,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2022-10-17 17:23:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2022-10-17 17:23:11,788 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2022-10-17 17:23:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2022-10-17 17:23:11,788 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2022-10-17 17:23:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2022-10-17 17:23:11,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2022-10-17 17:23:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2022-10-17 17:23:11,789 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2022-10-17 17:23:11,789 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2022-10-17 17:23:11,789 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2022-10-17 17:23:11,789 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2022-10-17 17:23:11,789 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2022-10-17 17:23:11,789 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 17:23:11,789 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 17:23:11,789 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2022-10-17 17:23:11,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2022-10-17 17:23:11,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 17:23:11,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 17:23:11,790 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-10-17 17:23:11,790 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-10-17 17:23:11,790 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2022-10-17 17:23:11,790 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2022-10-17 17:23:11,791 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-17 17:23:11,791 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-17 17:23:11,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 17:23:11,791 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 17:23:11,791 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2022-10-17 17:23:11,791 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2022-10-17 17:23:11,791 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:23:11,791 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:23:11,792 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2022-10-17 17:23:11,792 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2022-10-17 17:23:11,792 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2022-10-17 17:23:11,792 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2022-10-17 17:23:11,792 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2022-10-17 17:23:11,792 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2022-10-17 17:23:11,792 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-17 17:23:11,793 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-17 17:23:11,793 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2022-10-17 17:23:11,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2022-10-17 17:23:11,793 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-17 17:23:11,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-17 17:23:11,793 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2022-10-17 17:23:11,793 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2022-10-17 17:23:11,793 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2022-10-17 17:23:11,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2022-10-17 17:23:11,794 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2022-10-17 17:23:11,794 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2022-10-17 17:23:11,794 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2022-10-17 17:23:11,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2022-10-17 17:23:11,794 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-10-17 17:23:11,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-10-17 17:23:11,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:23:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 17:23:11,795 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 17:23:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-10-17 17:23:11,795 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-10-17 17:23:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2022-10-17 17:23:11,795 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2022-10-17 17:23:11,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:23:11,796 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2022-10-17 17:23:11,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2022-10-17 17:23:11,796 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-10-17 17:23:11,796 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-10-17 17:23:11,796 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2022-10-17 17:23:11,796 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2022-10-17 17:23:11,796 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2022-10-17 17:23:11,796 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2022-10-17 17:23:11,797 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-10-17 17:23:11,797 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-10-17 17:23:11,797 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2022-10-17 17:23:11,797 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2022-10-17 17:23:11,797 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2022-10-17 17:23:11,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2022-10-17 17:23:11,797 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2022-10-17 17:23:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2022-10-17 17:23:11,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:23:11,798 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2022-10-17 17:23:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2022-10-17 17:23:11,798 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2022-10-17 17:23:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2022-10-17 17:23:11,798 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 17:23:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 17:23:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-10-17 17:23:11,799 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-10-17 17:23:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 17:23:11,799 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 17:23:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2022-10-17 17:23:11,799 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2022-10-17 17:23:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-10-17 17:23:11,799 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-10-17 17:23:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2022-10-17 17:23:11,800 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2022-10-17 17:23:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2022-10-17 17:23:11,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2022-10-17 17:23:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2022-10-17 17:23:11,800 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2022-10-17 17:23:11,801 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-10-17 17:23:11,802 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-10-17 17:23:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2022-10-17 17:23:11,802 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2022-10-17 17:23:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2022-10-17 17:23:11,802 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2022-10-17 17:23:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2022-10-17 17:23:11,802 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2022-10-17 17:23:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-10-17 17:23:11,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-10-17 17:23:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2022-10-17 17:23:11,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2022-10-17 17:23:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 17:23:11,803 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 17:23:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2022-10-17 17:23:11,803 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2022-10-17 17:23:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2022-10-17 17:23:11,804 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2022-10-17 17:23:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2022-10-17 17:23:11,804 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2022-10-17 17:23:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2022-10-17 17:23:11,804 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2022-10-17 17:23:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2022-10-17 17:23:11,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2022-10-17 17:23:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2022-10-17 17:23:11,805 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2022-10-17 17:23:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2022-10-17 17:23:11,805 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2022-10-17 17:23:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2022-10-17 17:23:11,805 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2022-10-17 17:23:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2022-10-17 17:23:11,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2022-10-17 17:23:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 17:23:11,806 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 17:23:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2022-10-17 17:23:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2022-10-17 17:23:11,806 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2022-10-17 17:23:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 17:23:11,806 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 17:23:11,807 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2022-10-17 17:23:11,807 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2022-10-17 17:23:11,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:23:11,807 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2022-10-17 17:23:11,807 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2022-10-17 17:23:11,807 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2022-10-17 17:23:11,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2022-10-17 17:23:11,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 17:23:11,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 17:23:11,808 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2022-10-17 17:23:11,808 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2022-10-17 17:23:11,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 17:23:11,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 17:23:11,808 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2022-10-17 17:23:11,808 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2022-10-17 17:23:11,809 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2022-10-17 17:23:11,809 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2022-10-17 17:23:11,809 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-17 17:23:11,809 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-17 17:23:11,809 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2022-10-17 17:23:11,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2022-10-17 17:23:11,809 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2022-10-17 17:23:11,809 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2022-10-17 17:23:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2022-10-17 17:23:11,810 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2022-10-17 17:23:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2022-10-17 17:23:11,810 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2022-10-17 17:23:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2022-10-17 17:23:11,810 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2022-10-17 17:23:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-10-17 17:23:11,810 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-10-17 17:23:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2022-10-17 17:23:11,811 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2022-10-17 17:23:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2022-10-17 17:23:11,811 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2022-10-17 17:23:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2022-10-17 17:23:11,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2022-10-17 17:23:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-17 17:23:11,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-17 17:23:11,812 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2022-10-17 17:23:11,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2022-10-17 17:23:11,812 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2022-10-17 17:23:11,812 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2022-10-17 17:23:11,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2022-10-17 17:23:11,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2022-10-17 17:23:11,812 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 17:23:11,813 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 17:23:11,813 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2022-10-17 17:23:11,813 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2022-10-17 17:23:11,813 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2022-10-17 17:23:11,813 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2022-10-17 17:23:11,813 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2022-10-17 17:23:11,813 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2022-10-17 17:23:11,813 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-10-17 17:23:11,814 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-10-17 17:23:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2022-10-17 17:23:11,814 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2022-10-17 17:23:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-10-17 17:23:11,814 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-10-17 17:23:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2022-10-17 17:23:11,814 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2022-10-17 17:23:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2022-10-17 17:23:11,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2022-10-17 17:23:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2022-10-17 17:23:11,815 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2022-10-17 17:23:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2022-10-17 17:23:11,815 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2022-10-17 17:23:11,815 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2022-10-17 17:23:11,819 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2022-10-17 17:23:11,819 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2022-10-17 17:23:11,820 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2022-10-17 17:23:11,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2022-10-17 17:23:11,820 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2022-10-17 17:23:11,820 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2022-10-17 17:23:11,820 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 17:23:11,820 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 17:23:11,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 17:23:11,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 17:23:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2022-10-17 17:23:11,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2022-10-17 17:23:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2022-10-17 17:23:11,821 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2022-10-17 17:23:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2022-10-17 17:23:11,821 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2022-10-17 17:23:11,822 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2022-10-17 17:23:11,822 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2022-10-17 17:23:11,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:23:11,822 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2022-10-17 17:23:11,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2022-10-17 17:23:11,822 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2022-10-17 17:23:11,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2022-10-17 17:23:11,823 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-10-17 17:23:11,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-10-17 17:23:11,823 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-10-17 17:23:11,823 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-10-17 17:23:11,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-10-17 17:23:11,823 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2022-10-17 17:23:11,823 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2022-10-17 17:23:13,353 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:23:13,361 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:23:14,449 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 17:23:27,752 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:23:29,914 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:23:29,914 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:23:29,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:23:29 BoogieIcfgContainer [2022-10-17 17:23:29,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:23:29,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:23:29,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:23:29,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:23:29,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:23:04" (1/3) ... [2022-10-17 17:23:29,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d892fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:23:29, skipping insertion in model container [2022-10-17 17:23:29,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:10" (2/3) ... [2022-10-17 17:23:29,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d892fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:23:29, skipping insertion in model container [2022-10-17 17:23:29,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:23:29" (3/3) ... [2022-10-17 17:23:29,933 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-10-17 17:23:29,958 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:23:29,958 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:23:30,183 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:23:30,190 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e6ca549, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:23:30,190 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:23:30,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 3316 states, 1936 states have (on average 1.2804752066115703) internal successors, (2479), 2022 states have internal predecessors, (2479), 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) [2022-10-17 17:23:30,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-10-17 17:23:30,230 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:23:30,231 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-10-17 17:23:30,231 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:23:30,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:23:30,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1268464757, now seen corresponding path program 1 times [2022-10-17 17:23:30,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:23:30,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097237223] [2022-10-17 17:23:30,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:23:30,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:23:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:23:31,642 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2022-10-17 17:23:31,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:23:31,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097237223] [2022-10-17 17:23:31,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097237223] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:23:31,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:23:31,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:23:31,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53969308] [2022-10-17 17:23:31,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:23:31,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:23:31,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:23:31,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:23:31,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:23:31,714 INFO L87 Difference]: Start difference. First operand has 3316 states, 1936 states have (on average 1.2804752066115703) internal successors, (2479), 2022 states have internal predecessors, (2479), 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 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)