./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--mtd--ubi--ubi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841486ea-93ff-44ec-9b15-4cd3893cfdd6/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841486ea-93ff-44ec-9b15-4cd3893cfdd6/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841486ea-93ff-44ec-9b15-4cd3893cfdd6/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841486ea-93ff-44ec-9b15-4cd3893cfdd6/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841486ea-93ff-44ec-9b15-4cd3893cfdd6/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841486ea-93ff-44ec-9b15-4cd3893cfdd6/bin/utaipan-7li7fVZpFI --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 dcac6b97c989bf346b845c018c6668051809d7b92a857ebb7b97cb55e81550b9 --- 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-5e519f3 [2022-11-03 04:02:38,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:02:38,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:02:38,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:02:38,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:02:38,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:02:38,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:02:38,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:02:38,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:02:38,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:02:38,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:02:38,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:02:38,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:02:38,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:02:38,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:02:38,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:02:38,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:02:38,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:02:38,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:02:38,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:02:38,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:02:38,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:02:38,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:02:38,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:02:38,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:02:38,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:02:38,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:02:38,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:02:38,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:02:38,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:02:38,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:02:38,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:02:38,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:02:38,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:02:38,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:02:38,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:02:38,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:02:38,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:02:38,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:02:38,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:02:38,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:02:38,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841486ea-93ff-44ec-9b15-4cd3893cfdd6/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 04:02:38,321 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:02:38,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:02:38,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:02:38,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:02:38,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:02:38,322 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:02:38,323 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:02:38,323 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:02:38,323 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:02:38,323 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:02:38,324 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:02:38,324 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:02:38,324 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:02:38,324 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:02:38,324 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:02:38,325 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:02:38,325 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:02:38,325 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:02:38,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:02:38,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:02:38,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:02:38,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:02:38,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:02:38,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:02:38,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:02:38,327 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:02:38,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:02:38,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:02:38,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:02:38,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:02:38,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:02:38,329 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:02:38,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:02:38,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:02:38,330 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:02:38,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:02:38,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:02:38,330 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:02:38,330 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_841486ea-93ff-44ec-9b15-4cd3893cfdd6/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841486ea-93ff-44ec-9b15-4cd3893cfdd6/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcac6b97c989bf346b845c018c6668051809d7b92a857ebb7b97cb55e81550b9 [2022-11-03 04:02:38,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:02:38,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:02:38,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:02:38,697 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:02:38,698 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:02:38,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841486ea-93ff-44ec-9b15-4cd3893cfdd6/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2022-11-03 04:02:38,801 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841486ea-93ff-44ec-9b15-4cd3893cfdd6/bin/utaipan-7li7fVZpFI/data/4e199be97/8ae977c588094502ad1106babd3b280c/FLAG95154420d [2022-11-03 04:02:40,211 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:02:40,212 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841486ea-93ff-44ec-9b15-4cd3893cfdd6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2022-11-03 04:02:40,327 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841486ea-93ff-44ec-9b15-4cd3893cfdd6/bin/utaipan-7li7fVZpFI/data/4e199be97/8ae977c588094502ad1106babd3b280c/FLAG95154420d [2022-11-03 04:02:40,800 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841486ea-93ff-44ec-9b15-4cd3893cfdd6/bin/utaipan-7li7fVZpFI/data/4e199be97/8ae977c588094502ad1106babd3b280c [2022-11-03 04:02:40,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:02:40,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:02:40,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:02:40,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:02:40,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:02:40,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:02:40" (1/1) ... [2022-11-03 04:02:40,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10e9a68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:40, skipping insertion in model container [2022-11-03 04:02:40,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:02:40" (1/1) ... [2022-11-03 04:02:40,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:02:41,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:02:52,439 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_841486ea-93ff-44ec-9b15-4cd3893cfdd6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i[883671,883684] [2022-11-03 04:02:53,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:02:53,676 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:02:54,980 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_841486ea-93ff-44ec-9b15-4cd3893cfdd6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i[883671,883684] [2022-11-03 04:02:55,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:02:55,829 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:02:55,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:55 WrapperNode [2022-11-03 04:02:55,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:02:55,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:02:55,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:02:55,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:02:55,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:55" (1/1) ... [2022-11-03 04:02:56,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:55" (1/1) ... [2022-11-03 04:02:57,379 INFO L138 Inliner]: procedures = 955, calls = 15443, calls flagged for inlining = 336, calls inlined = 315, statements flattened = 31482 [2022-11-03 04:02:57,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:02:57,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:02:57,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:02:57,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:02:57,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:55" (1/1) ... [2022-11-03 04:02:57,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:55" (1/1) ... [2022-11-03 04:02:57,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:55" (1/1) ... [2022-11-03 04:02:57,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:55" (1/1) ... [2022-11-03 04:02:59,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:55" (1/1) ... [2022-11-03 04:02:59,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:55" (1/1) ... [2022-11-03 04:02:59,575 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:55" (1/1) ... [2022-11-03 04:02:59,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:55" (1/1) ... [2022-11-03 04:02:59,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:02:59,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:02:59,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:02:59,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:02:59,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:55" (1/1) ... [2022-11-03 04:02:59,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:02:59,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841486ea-93ff-44ec-9b15-4cd3893cfdd6/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:02:59,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841486ea-93ff-44ec-9b15-4cd3893cfdd6/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:02:59,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841486ea-93ff-44ec-9b15-4cd3893cfdd6/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:03:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 04:03:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-11-03 04:03:00,014 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-11-03 04:03:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure __schedule_ubi_work [2022-11-03 04:03:00,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __schedule_ubi_work [2022-11-03 04:03:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_volume_notify [2022-11-03 04:03:00,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_volume_notify [2022-11-03 04:03:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_detach_mtd_dev [2022-11-03 04:03:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_detach_mtd_dev [2022-11-03 04:03:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure erase_block [2022-11-03 04:03:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure erase_block [2022-11-03 04:03:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2022-11-03 04:03:00,016 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2022-11-03 04:03:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure return_fm_pebs [2022-11-03 04:03:00,016 INFO L138 BoogieDeclarations]: Found implementation of procedure return_fm_pebs [2022-11-03 04:03:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-03 04:03:00,017 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-03 04:03:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-03 04:03:00,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-03 04:03:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_do_get_device_info [2022-11-03 04:03:00,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_do_get_device_info [2022-11-03 04:03:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_cdev_ioctl [2022-11-03 04:03:00,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_cdev_ioctl [2022-11-03 04:03:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_sysfs_close [2022-11-03 04:03:00,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_sysfs_close [2022-11-03 04:03:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure vtbl_check [2022-11-03 04:03:00,019 INFO L138 BoogieDeclarations]: Found implementation of procedure vtbl_check [2022-11-03 04:03:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_cdev_ioctl [2022-11-03 04:03:00,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_cdev_ioctl [2022-11-03 04:03:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-03 04:03:00,019 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-03 04:03:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_compare_lebs [2022-11-03 04:03:00,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_compare_lebs [2022-11-03 04:03:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_ioctl [2022-11-03 04:03:00,020 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_ioctl [2022-11-03 04:03:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_fastmap [2022-11-03 04:03:00,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_fastmap [2022-11-03 04:03:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure rb_next [2022-11-03 04:03:00,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_next [2022-11-03 04:03:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_check_volume [2022-11-03 04:03:00,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_check_volume [2022-11-03 04:03:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 04:03:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_close [2022-11-03 04:03:00,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_close [2022-11-03 04:03:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_free_vid_hdr [2022-11-03 04:03:00,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_free_vid_hdr [2022-11-03 04:03:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_find_av [2022-11-03 04:03:00,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_find_av [2022-11-03 04:03:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-03 04:03:00,023 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-03 04:03:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 04:03:00,024 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 04:03:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 04:03:00,024 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 04:03:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure dev_attribute_show [2022-11-03 04:03:00,025 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_attribute_show [2022-11-03 04:03:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_div_by_eb [2022-11-03 04:03:00,025 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_div_by_eb [2022-11-03 04:03:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure update_fastmap_work_fn [2022-11-03 04:03:00,026 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fastmap_work_fn [2022-11-03 04:03:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-03 04:03:00,026 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-03 04:03:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure ___might_sleep [2022-11-03 04:03:00,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ___might_sleep [2022-11-03 04:03:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_calculate_reserved [2022-11-03 04:03:00,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_calculate_reserved [2022-11-03 04:03:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_debugfs_exit_dev [2022-11-03 04:03:00,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_debugfs_exit_dev [2022-11-03 04:03:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2022-11-03 04:03:00,028 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2022-11-03 04:03:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_buf_mutex_of_ubi_device [2022-11-03 04:03:00,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_buf_mutex_of_ubi_device [2022-11-03 04:03:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure find_mean_wl_entry [2022-11-03 04:03:00,029 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mean_wl_entry [2022-11-03 04:03:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 04:03:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-03 04:03:00,030 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-03 04:03:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-03 04:03:00,030 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-03 04:03:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-03 04:03:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-03 04:03:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2022-11-03 04:03:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2022-11-03 04:03:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure new_fm_vhdr [2022-11-03 04:03:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure new_fm_vhdr [2022-11-03 04:03:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure yield [2022-11-03 04:03:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure yield [2022-11-03 04:03:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_io [2022-11-03 04:03:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_io [2022-11-03 04:03:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure vol_id2idx [2022-11-03 04:03:00,033 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_id2idx [2022-11-03 04:03:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 04:03:00,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 04:03:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_device_mutex_of_ubi_device [2022-11-03 04:03:00,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_device_mutex_of_ubi_device [2022-11-03 04:03:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_attach_mtd_dev [2022-11-03 04:03:00,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_attach_mtd_dev [2022-11-03 04:03:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-03 04:03:00,035 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-03 04:03:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 04:03:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure in_wl_tree [2022-11-03 04:03:00,035 INFO L138 BoogieDeclarations]: Found implementation of procedure in_wl_tree [2022-11-03 04:03:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_ai [2022-11-03 04:03:00,036 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_ai [2022-11-03 04:03:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 04:03:00,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 04:03:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:03:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_ai [2022-11-03 04:03:00,037 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_ai [2022-11-03 04:03:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 04:03:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-11-03 04:03:00,120 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-11-03 04:03:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 04:03:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-11-03 04:03:00,121 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-11-03 04:03:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_erase [2022-11-03 04:03:00,121 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_erase [2022-11-03 04:03:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure prot_queue_del [2022-11-03 04:03:00,121 INFO L138 BoogieDeclarations]: Found implementation of procedure prot_queue_del [2022-11-03 04:03:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure validate_ec_hdr [2022-11-03 04:03:00,122 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_ec_hdr [2022-11-03 04:03:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_gen [2022-11-03 04:03:00,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_gen [2022-11-03 04:03:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-03 04:03:00,122 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-03 04:03:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_device [2022-11-03 04:03:00,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_device [2022-11-03 04:03:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2022-11-03 04:03:00,123 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2022-11-03 04:03:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path [2022-11-03 04:03:00,123 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path [2022-11-03 04:03:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_layout_vol [2022-11-03 04:03:00,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_layout_vol [2022-11-03 04:03:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-03 04:03:00,123 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-03 04:03:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read [2022-11-03 04:03:00,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read [2022-11-03 04:03:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 04:03:00,124 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 04:03:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_dev_mutex_of_ubiblock [2022-11-03 04:03:00,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_dev_mutex_of_ubiblock [2022-11-03 04:03:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_power_cut [2022-11-03 04:03:00,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_power_cut [2022-11-03 04:03:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_atomic_leb_change [2022-11-03 04:03:00,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_atomic_leb_change [2022-11-03 04:03:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:03:00,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:03:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 04:03:00,125 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 04:03:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 04:03:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_buf_mutex_of_ubi_device [2022-11-03 04:03:00,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_buf_mutex_of_ubi_device [2022-11-03 04:03:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-03 04:03:00,125 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-03 04:03:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure scan_all [2022-11-03 04:03:00,126 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_all [2022-11-03 04:03:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_flash [2022-11-03 04:03:00,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_flash [2022-11-03 04:03:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure device_register [2022-11-03 04:03:00,126 INFO L138 BoogieDeclarations]: Found implementation of procedure device_register [2022-11-03 04:03:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 04:03:00,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 04:03:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 04:03:00,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 04:03:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure idx2vol_id [2022-11-03 04:03:00,127 INFO L138 BoogieDeclarations]: Found implementation of procedure idx2vol_id [2022-11-03 04:03:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-11-03 04:03:00,127 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-11-03 04:03:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vol_info [2022-11-03 04:03:00,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vol_info [2022-11-03 04:03:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 04:03:00,127 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 04:03:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2022-11-03 04:03:00,128 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2022-11-03 04:03:00,128 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-03 04:03:00,128 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-03 04:03:00,128 INFO L130 BoogieDeclarations]: Found specification of procedure blocking_notifier_call_chain [2022-11-03 04:03:00,128 INFO L138 BoogieDeclarations]: Found implementation of procedure blocking_notifier_call_chain [2022-11-03 04:03:00,128 INFO L130 BoogieDeclarations]: Found specification of procedure create_vtbl [2022-11-03 04:03:00,130 INFO L138 BoogieDeclarations]: Found implementation of procedure create_vtbl [2022-11-03 04:03:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-03 04:03:00,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-03 04:03:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-11-03 04:03:00,131 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-11-03 04:03:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 04:03:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 04:03:00,131 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 04:03:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2022-11-03 04:03:00,132 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2022-11-03 04:03:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 04:03:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_fsync [2022-11-03 04:03:00,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_fsync [2022-11-03 04:03:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure get_mtd_device [2022-11-03 04:03:00,133 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mtd_device [2022-11-03 04:03:00,133 INFO L130 BoogieDeclarations]: Found specification of procedure clear_update_marker [2022-11-03 04:03:00,133 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_update_marker [2022-11-03 04:03:00,133 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2022-11-03 04:03:00,133 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2022-11-03 04:03:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure scan_peb [2022-11-03 04:03:00,134 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_peb [2022-11-03 04:03:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-03 04:03:00,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-03 04:03:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_put_peb [2022-11-03 04:03:00,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_put_peb [2022-11-03 04:03:00,135 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-03 04:03:00,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-03 04:03:00,135 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-03 04:03:00,135 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-03 04:03:00,135 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 04:03:00,136 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 04:03:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-03 04:03:00,136 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-03 04:03:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 04:03:00,136 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 04:03:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_next_sqnum [2022-11-03 04:03:00,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_next_sqnum [2022-11-03 04:03:00,137 INFO L130 BoogieDeclarations]: Found specification of procedure ltree_add_entry [2022-11-03 04:03:00,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ltree_add_entry [2022-11-03 04:03:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_dev_mutex_of_ubiblock [2022-11-03 04:03:00,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_dev_mutex_of_ubiblock [2022-11-03 04:03:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 04:03:00,150 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 04:03:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vtbl_record [2022-11-03 04:03:00,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vtbl_record [2022-11-03 04:03:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2022-11-03 04:03:00,151 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2022-11-03 04:03:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 04:03:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_remove_volume [2022-11-03 04:03:00,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_remove_volume [2022-11-03 04:03:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 04:03:00,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 04:03:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure ltree_lookup [2022-11-03 04:03:00,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ltree_lookup [2022-11-03 04:03:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_getgeo [2022-11-03 04:03:00,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_getgeo [2022-11-03 04:03:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-11-03 04:03:00,153 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-11-03 04:03:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure d_backing_inode [2022-11-03 04:03:00,153 INFO L138 BoogieDeclarations]: Found implementation of procedure d_backing_inode [2022-11-03 04:03:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_volumes [2022-11-03 04:03:00,153 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_volumes [2022-11-03 04:03:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_notify_all [2022-11-03 04:03:00,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_notify_all [2022-11-03 04:03:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write [2022-11-03 04:03:00,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write [2022-11-03 04:03:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure scan_pool [2022-11-03 04:03:00,155 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_pool [2022-11-03 04:03:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure add_aeb [2022-11-03 04:03:00,155 INFO L138 BoogieDeclarations]: Found implementation of procedure add_aeb [2022-11-03 04:03:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure leb_read_sanity_check [2022-11-03 04:03:00,155 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_read_sanity_check [2022-11-03 04:03:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_resize [2022-11-03 04:03:00,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_resize [2022-11-03 04:03:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2022-11-03 04:03:00,156 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2022-11-03 04:03:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-11-03 04:03:00,156 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-11-03 04:03:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_volume_info [2022-11-03 04:03:00,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_volume_info [2022-11-03 04:03:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure find_anchor_wl_entry [2022-11-03 04:03:00,157 INFO L138 BoogieDeclarations]: Found implementation of procedure find_anchor_wl_entry [2022-11-03 04:03:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure wl_tree_add [2022-11-03 04:03:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure wl_tree_add [2022-11-03 04:03:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_ec_hdr [2022-11-03 04:03:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_ec_hdr [2022-11-03 04:03:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_unmap_leb [2022-11-03 04:03:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_unmap_leb [2022-11-03 04:03:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-03 04:03:00,159 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-03 04:03:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 04:03:00,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 04:03:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_resize_volume [2022-11-03 04:03:00,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_resize_volume [2022-11-03 04:03:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_free_internal_volumes [2022-11-03 04:03:00,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_free_internal_volumes [2022-11-03 04:03:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 04:03:00,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 04:03:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure put_mtd_device [2022-11-03 04:03:00,160 INFO L138 BoogieDeclarations]: Found implementation of procedure put_mtd_device [2022-11-03 04:03:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2022-11-03 04:03:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2022-11-03 04:03:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_read_leb [2022-11-03 04:03:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_read_leb [2022-11-03 04:03:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-11-03 04:03:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-11-03 04:03:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ckvol_mutex_of_ubi_device [2022-11-03 04:03:00,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ckvol_mutex_of_ubi_device [2022-11-03 04:03:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_remove [2022-11-03 04:03:00,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_remove [2022-11-03 04:03:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure set_seen [2022-11-03 04:03:00,163 INFO L138 BoogieDeclarations]: Found implementation of procedure set_seen [2022-11-03 04:03:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_vid_hdr [2022-11-03 04:03:00,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_vid_hdr [2022-11-03 04:03:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_cleanup [2022-11-03 04:03:00,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_cleanup [2022-11-03 04:03:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_get_fm_peb [2022-11-03 04:03:00,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_get_fm_peb [2022-11-03 04:03:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 04:03:00,164 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 04:03:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2022-11-03 04:03:00,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2022-11-03 04:03:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure is_error_sane [2022-11-03 04:03:00,165 INFO L138 BoogieDeclarations]: Found implementation of procedure is_error_sane [2022-11-03 04:03:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_vid_hdr [2022-11-03 04:03:00,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_vid_hdr [2022-11-03 04:03:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vid_hdr [2022-11-03 04:03:00,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vid_hdr [2022-11-03 04:03:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_calc_data_len [2022-11-03 04:03:00,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_calc_data_len [2022-11-03 04:03:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_data [2022-11-03 04:03:00,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_data [2022-11-03 04:03:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure dfs_file_write [2022-11-03 04:03:00,167 INFO L138 BoogieDeclarations]: Found implementation of procedure dfs_file_write [2022-11-03 04:03:00,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 04:03:00,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 04:03:00,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 04:03:00,167 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-03 04:03:00,167 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-03 04:03:00,168 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2022-11-03 04:03:00,168 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2022-11-03 04:03:00,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_7 [2022-11-03 04:03:00,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_7 [2022-11-03 04:03:00,168 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-03 04:03:00,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-03 04:03:00,169 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 04:03:00,169 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 04:03:00,169 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_ubi_work [2022-11-03 04:03:00,169 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_ubi_work [2022-11-03 04:03:00,169 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_erase___0 [2022-11-03 04:03:00,170 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_erase___0 [2022-11-03 04:03:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-03 04:03:00,170 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-03 04:03:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_ec_hdr [2022-11-03 04:03:00,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_ec_hdr [2022-11-03 04:03:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 04:03:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2022-11-03 04:03:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2022-11-03 04:03:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_not_bad [2022-11-03 04:03:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_not_bad [2022-11-03 04:03:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_devices_mutex [2022-11-03 04:03:00,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_devices_mutex [2022-11-03 04:03:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev_nolock [2022-11-03 04:03:00,172 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev_nolock [2022-11-03 04:03:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 04:03:00,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 04:03:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 04:03:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure validate_vid_hdr [2022-11-03 04:03:00,173 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_vid_hdr [2022-11-03 04:03:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_move_mutex_of_ubi_device [2022-11-03 04:03:00,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_move_mutex_of_ubi_device [2022-11-03 04:03:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 04:03:00,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 04:03:00,174 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_data [2022-11-03 04:03:00,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_data [2022-11-03 04:03:00,174 INFO L130 BoogieDeclarations]: Found specification of procedure prot_queue_add [2022-11-03 04:03:00,174 INFO L138 BoogieDeclarations]: Found implementation of procedure prot_queue_add [2022-11-03 04:03:00,174 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_open_volume_nm [2022-11-03 04:03:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_open_volume_nm [2022-11-03 04:03:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-11-03 04:03:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-11-03 04:03:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-03 04:03:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-03 04:03:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_write [2022-11-03 04:03:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_write [2022-11-03 04:03:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 04:03:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 04:03:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-03 04:03:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-03 04:03:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-03 04:03:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-03 04:03:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure find_wl_entry [2022-11-03 04:03:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure find_wl_entry [2022-11-03 04:03:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2022-11-03 04:03:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2022-11-03 04:03:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure __vmalloc [2022-11-03 04:03:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __vmalloc [2022-11-03 04:03:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_is_bad [2022-11-03 04:03:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_is_bad [2022-11-03 04:03:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_reserved [2022-11-03 04:03:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_reserved [2022-11-03 04:03:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_put_fm_peb [2022-11-03 04:03:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_put_fm_peb [2022-11-03 04:03:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-11-03 04:03:00,180 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-11-03 04:03:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_move_mutex_of_ubi_device [2022-11-03 04:03:00,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_move_mutex_of_ubi_device [2022-11-03 04:03:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_get_peb [2022-11-03 04:03:00,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_get_peb [2022-11-03 04:03:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_fastmap [2022-11-03 04:03:00,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_fastmap [2022-11-03 04:03:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_aeb [2022-11-03 04:03:00,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_aeb [2022-11-03 04:03:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_av [2022-11-03 04:03:00,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_av [2022-11-03 04:03:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure write_leb [2022-11-03 04:03:00,182 INFO L138 BoogieDeclarations]: Found implementation of procedure write_leb [2022-11-03 04:03:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_alc_mutex_of_ubi_device [2022-11-03 04:03:00,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_alc_mutex_of_ubi_device [2022-11-03 04:03:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2022-11-03 04:03:00,182 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2022-11-03 04:03:00,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_devices_mutex [2022-11-03 04:03:00,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_devices_mutex [2022-11-03 04:03:00,183 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_compat [2022-11-03 04:03:00,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_compat [2022-11-03 04:03:00,183 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_remove_av [2022-11-03 04:03:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_remove_av [2022-11-03 04:03:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure rb_first [2022-11-03 04:03:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_first [2022-11-03 04:03:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_vid_hdr [2022-11-03 04:03:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_vid_hdr [2022-11-03 04:03:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure leb_write_lock [2022-11-03 04:03:00,185 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_write_lock [2022-11-03 04:03:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2022-11-03 04:03:00,185 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2022-11-03 04:03:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 04:03:00,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 04:03:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_change_vtbl_record [2022-11-03 04:03:00,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_change_vtbl_record [2022-11-03 04:03:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_write [2022-11-03 04:03:00,186 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_write [2022-11-03 04:03:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure uif_close [2022-11-03 04:03:00,187 INFO L138 BoogieDeclarations]: Found implementation of procedure uif_close [2022-11-03 04:03:00,187 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-03 04:03:00,187 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-03 04:03:00,187 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_remove_all [2022-11-03 04:03:00,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_remove_all [2022-11-03 04:03:00,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2022-11-03 04:03:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2022-11-03 04:03:00,188 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_ro_mode [2022-11-03 04:03:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_ro_mode [2022-11-03 04:03:00,188 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-03 04:03:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-03 04:03:00,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-03 04:03:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-03 04:03:00,189 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-11-03 04:03:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-11-03 04:03:00,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 04:03:00,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 04:03:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 04:03:00,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ubi_devices_mutex [2022-11-03 04:03:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ubi_devices_mutex [2022-11-03 04:03:00,190 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr [2022-11-03 04:03:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr [2022-11-03 04:03:00,190 INFO L130 BoogieDeclarations]: Found specification of procedure leb_write_unlock [2022-11-03 04:03:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_write_unlock [2022-11-03 04:03:00,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_device_mutex_of_ubi_device [2022-11-03 04:03:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_device_mutex_of_ubi_device [2022-11-03 04:03:00,191 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_sync_erase [2022-11-03 04:03:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_sync_erase [2022-11-03 04:03:00,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ckvol_mutex_of_ubi_device [2022-11-03 04:03:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ckvol_mutex_of_ubi_device [2022-11-03 04:03:00,192 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2022-11-03 04:03:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2022-11-03 04:03:00,192 INFO L130 BoogieDeclarations]: Found specification of procedure vol_attribute_show [2022-11-03 04:03:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_attribute_show [2022-11-03 04:03:00,192 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_peb_ec_hdr [2022-11-03 04:03:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_peb_ec_hdr [2022-11-03 04:03:00,193 INFO L130 BoogieDeclarations]: Found specification of procedure get_peb_for_wl [2022-11-03 04:03:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure get_peb_for_wl [2022-11-03 04:03:00,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 04:03:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 04:03:00,193 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-03 04:03:00,194 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-03 04:03:00,194 INFO L130 BoogieDeclarations]: Found specification of procedure prandom_u32 [2022-11-03 04:03:00,194 INFO L138 BoogieDeclarations]: Found implementation of procedure prandom_u32 [2022-11-03 04:03:00,194 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 04:03:00,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 04:03:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_in_wl_tree [2022-11-03 04:03:00,195 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_in_wl_tree [2022-11-03 04:03:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_open_volume [2022-11-03 04:03:00,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_open_volume [2022-11-03 04:03:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_check_pattern [2022-11-03 04:03:00,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_check_pattern [2022-11-03 04:03:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_bitflip [2022-11-03 04:03:00,196 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_bitflip [2022-11-03 04:03:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_write_leb [2022-11-03 04:03:00,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_write_leb [2022-11-03 04:03:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-11-03 04:03:00,196 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-11-03 04:03:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-11-03 04:03:00,197 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-11-03 04:03:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2022-11-03 04:03:00,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2022-11-03 04:03:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_put_device [2022-11-03 04:03:00,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_put_device [2022-11-03 04:03:00,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-03 04:03:00,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-03 04:03:00,198 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-03 04:03:00,198 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-03 04:03:00,198 INFO L130 BoogieDeclarations]: Found specification of procedure validate_vid_hdr___0 [2022-11-03 04:03:00,199 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_vid_hdr___0 [2022-11-03 04:03:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_create [2022-11-03 04:03:00,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_create [2022-11-03 04:03:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 04:03:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_self_check_all_ff [2022-11-03 04:03:00,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_self_check_all_ff [2022-11-03 04:03:00,200 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2022-11-03 04:03:00,200 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2022-11-03 04:03:00,200 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_eccerr [2022-11-03 04:03:00,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_eccerr [2022-11-03 04:03:00,200 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_close_volume [2022-11-03 04:03:00,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_close_volume [2022-11-03 04:03:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2022-11-03 04:03:00,201 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2022-11-03 04:03:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_do_work [2022-11-03 04:03:00,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_do_work [2022-11-03 04:03:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 04:03:00,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 04:03:00,202 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_wear_leveling [2022-11-03 04:03:00,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_wear_leveling [2022-11-03 04:03:00,202 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-03 04:03:00,202 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-03 04:03:00,202 INFO L130 BoogieDeclarations]: Found specification of procedure leb_read_unlock [2022-11-03 04:03:00,203 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_read_unlock [2022-11-03 04:03:00,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ubi_devices_mutex [2022-11-03 04:03:00,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ubi_devices_mutex [2022-11-03 04:03:00,203 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_ec_hdr [2022-11-03 04:03:00,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_ec_hdr [2022-11-03 04:03:00,203 INFO L130 BoogieDeclarations]: Found specification of procedure revoke_exclusive [2022-11-03 04:03:00,204 INFO L138 BoogieDeclarations]: Found implementation of procedure revoke_exclusive [2022-11-03 04:03:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_from_pdu [2022-11-03 04:03:00,204 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_from_pdu [2022-11-03 04:03:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure return_unused_pool_pebs [2022-11-03 04:03:00,204 INFO L138 BoogieDeclarations]: Found implementation of procedure return_unused_pool_pebs [2022-11-03 04:03:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown_work [2022-11-03 04:03:00,205 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown_work [2022-11-03 04:03:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-03 04:03:00,205 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-03 04:03:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure erase_worker [2022-11-03 04:03:00,205 INFO L138 BoogieDeclarations]: Found implementation of procedure erase_worker [2022-11-03 04:03:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_erase [2022-11-03 04:03:00,206 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_erase [2022-11-03 04:03:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_add_to_av [2022-11-03 04:03:00,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_add_to_av [2022-11-03 04:03:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2022-11-03 04:03:00,206 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2022-11-03 04:03:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 04:03:00,207 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 04:03:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-03 04:03:00,207 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-03 04:03:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-11-03 04:03:00,207 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-11-03 04:03:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-03 04:03:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-03 04:03:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 04:03:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 04:03:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 04:03:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 04:03:00,209 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_flush [2022-11-03 04:03:00,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_flush [2022-11-03 04:03:00,209 INFO L130 BoogieDeclarations]: Found specification of procedure wl_entry_destroy [2022-11-03 04:03:00,209 INFO L138 BoogieDeclarations]: Found implementation of procedure wl_entry_destroy [2022-11-03 04:03:00,209 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_list [2022-11-03 04:03:00,209 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_list [2022-11-03 04:03:00,210 INFO L130 BoogieDeclarations]: Found specification of procedure kill_volumes [2022-11-03 04:03:00,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_volumes [2022-11-03 04:03:00,210 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_is_bgt_disabled [2022-11-03 04:03:00,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_is_bgt_disabled [2022-11-03 04:03:00,210 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-03 04:03:00,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-03 04:03:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure imajor [2022-11-03 04:03:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure imajor [2022-11-03 04:03:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-03 04:03:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-03 04:03:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_read [2022-11-03 04:03:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_read [2022-11-03 04:03:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_debugfs_exit [2022-11-03 04:03:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_debugfs_exit [2022-11-03 04:03:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure get_exclusive [2022-11-03 04:03:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exclusive [2022-11-03 04:03:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_alc_mutex_of_ubi_device [2022-11-03 04:03:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_alc_mutex_of_ubi_device [2022-11-03 04:03:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_major2num [2022-11-03 04:03:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_major2num [2022-11-03 04:03:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_do_get_volume_info [2022-11-03 04:03:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_do_get_volume_info [2022-11-03 04:03:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-11-03 04:03:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-11-03 04:03:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-03 04:03:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-03 04:03:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 04:03:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 04:03:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2022-11-03 04:03:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2022-11-03 04:03:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure tree_destroy [2022-11-03 04:03:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_destroy [2022-11-03 04:03:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 04:03:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_ec_hdr [2022-11-03 04:03:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_ec_hdr [2022-11-03 04:03:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtouint [2022-11-03 04:03:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtouint [2022-11-03 04:03:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_notify [2022-11-03 04:03:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_notify [2022-11-03 04:03:03,384 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:03:03,393 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:03:03,644 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 04:10:01,829 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:10:09,615 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:10:09,615 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 04:10:09,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:10:09 BoogieIcfgContainer [2022-11-03 04:10:09,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:10:09,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:10:09,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:10:09,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:10:09,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:02:40" (1/3) ... [2022-11-03 04:10:09,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cad93d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:10:09, skipping insertion in model container [2022-11-03 04:10:09,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:55" (2/3) ... [2022-11-03 04:10:09,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cad93d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:10:09, skipping insertion in model container [2022-11-03 04:10:09,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:10:09" (3/3) ... [2022-11-03 04:10:09,637 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2022-11-03 04:10:09,660 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:10:09,660 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 04:10:09,899 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:10:09,907 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;@51def512, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:10:09,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 04:10:09,936 INFO L276 IsEmpty]: Start isEmpty. Operand has 8025 states, 4950 states have (on average 1.3573737373737373) internal successors, (6719), 5222 states have internal predecessors, (6719), 2787 states have call successors, (2787), 287 states have call predecessors, (2787), 286 states have return successors, (2757), 2727 states have call predecessors, (2757), 2757 states have call successors, (2757) [2022-11-03 04:10:10,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-11-03 04:10:10,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:10:10,008 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 35, 35, 35, 35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:10:10,009 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:10:10,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:10:10,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1055840038, now seen corresponding path program 1 times [2022-11-03 04:10:10,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:10:10,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978489380] [2022-11-03 04:10:10,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:10:10,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:10:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:10:13,830 INFO L134 CoverageAnalysis]: Checked inductivity of 5950 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5950 trivial. 0 not checked. [2022-11-03 04:10:13,831 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:10:13,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978489380] [2022-11-03 04:10:13,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978489380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:10:13,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:10:13,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:10:13,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586513036] [2022-11-03 04:10:13,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:10:13,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:10:13,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:10:13,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:10:13,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:10:13,935 INFO L87 Difference]: Start difference. First operand has 8025 states, 4950 states have (on average 1.3573737373737373) internal successors, (6719), 5222 states have internal predecessors, (6719), 2787 states have call successors, (2787), 287 states have call predecessors, (2787), 286 states have return successors, (2757), 2727 states have call predecessors, (2757), 2757 states have call successors, (2757) Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-03 04:10:17,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:26,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:29,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:34,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:40,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:40,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:10:40,632 INFO L93 Difference]: Finished difference Result 23333 states and 36037 transitions. [2022-11-03 04:10:40,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:10:40,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 444 [2022-11-03 04:10:40,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:10:40,801 INFO L225 Difference]: With dead ends: 23333 [2022-11-03 04:10:40,801 INFO L226 Difference]: Without dead ends: 15305 [2022-11-03 04:10:40,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:10:40,907 INFO L413 NwaCegarLoop]: 14556 mSDtfsCounter, 11185 mSDsluCounter, 12112 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11192 SdHoareTripleChecker+Valid, 25967 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:10:40,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11192 Valid, 25967 Invalid, 1455 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1448 Invalid, 5 Unknown, 0 Unchecked, 25.6s Time] [2022-11-03 04:10:40,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15305 states. [2022-11-03 04:10:42,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15305 to 15253. [2022-11-03 04:10:42,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15253 states, 9451 states have (on average 1.3500158713363666) internal successors, (12759), 9889 states have internal predecessors, (12759), 5237 states have call successors, (5237), 566 states have call predecessors, (5237), 564 states have return successors, (5210), 5146 states have call predecessors, (5210), 5208 states have call successors, (5210) [2022-11-03 04:10:42,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15253 states to 15253 states and 23206 transitions. [2022-11-03 04:10:42,619 INFO L78 Accepts]: Start accepts. Automaton has 15253 states and 23206 transitions. Word has length 444 [2022-11-03 04:10:42,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:10:42,625 INFO L495 AbstractCegarLoop]: Abstraction has 15253 states and 23206 transitions. [2022-11-03 04:10:42,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-03 04:10:42,626 INFO L276 IsEmpty]: Start isEmpty. Operand 15253 states and 23206 transitions. [2022-11-03 04:10:42,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-11-03 04:10:42,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:10:42,653 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 35, 35, 35, 35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:10:42,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 04:10:42,654 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:10:42,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:10:42,656 INFO L85 PathProgramCache]: Analyzing trace with hash 975235617, now seen corresponding path program 1 times [2022-11-03 04:10:42,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:10:42,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031862233] [2022-11-03 04:10:42,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:10:42,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:10:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:10:44,563 INFO L134 CoverageAnalysis]: Checked inductivity of 5950 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5950 trivial. 0 not checked. [2022-11-03 04:10:44,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:10:44,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031862233] [2022-11-03 04:10:44,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031862233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:10:44,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:10:44,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:10:44,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356349785] [2022-11-03 04:10:44,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:10:44,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:10:44,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:10:44,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:10:44,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:10:44,572 INFO L87 Difference]: Start difference. First operand 15253 states and 23206 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-03 04:10:47,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:52,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:10:56,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:00,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:05,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:07,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:10,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:12,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:11:12,231 INFO L93 Difference]: Finished difference Result 30254 states and 46098 transitions. [2022-11-03 04:11:12,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:11:12,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 445 [2022-11-03 04:11:12,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:11:12,476 INFO L225 Difference]: With dead ends: 30254 [2022-11-03 04:11:12,476 INFO L226 Difference]: Without dead ends: 30250 [2022-11-03 04:11:12,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:11:12,624 INFO L413 NwaCegarLoop]: 14197 mSDtfsCounter, 11949 mSDsluCounter, 12019 mSDsCounter, 0 mSdLazyCounter, 1422 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11949 SdHoareTripleChecker+Valid, 25512 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1422 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:11:12,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11949 Valid, 25512 Invalid, 1430 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1422 Invalid, 4 Unknown, 0 Unchecked, 26.3s Time] [2022-11-03 04:11:12,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30250 states. [2022-11-03 04:11:14,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30250 to 30230. [2022-11-03 04:11:14,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30230 states, 18768 states have (on average 1.350650042625746) internal successors, (25349), 19602 states have internal predecessors, (25349), 10337 states have call successors, (10337), 1129 states have call predecessors, (10337), 1124 states have return successors, (10387), 10190 states have call predecessors, (10387), 10308 states have call successors, (10387) [2022-11-03 04:11:15,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30230 states to 30230 states and 46073 transitions. [2022-11-03 04:11:15,306 INFO L78 Accepts]: Start accepts. Automaton has 30230 states and 46073 transitions. Word has length 445 [2022-11-03 04:11:15,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:11:15,308 INFO L495 AbstractCegarLoop]: Abstraction has 30230 states and 46073 transitions. [2022-11-03 04:11:15,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-03 04:11:15,308 INFO L276 IsEmpty]: Start isEmpty. Operand 30230 states and 46073 transitions. [2022-11-03 04:11:15,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2022-11-03 04:11:15,320 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:11:15,320 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 35, 35, 35, 35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:11:15,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 04:11:15,321 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:11:15,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:11:15,321 INFO L85 PathProgramCache]: Analyzing trace with hash 162866745, now seen corresponding path program 1 times [2022-11-03 04:11:15,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:11:15,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589364890] [2022-11-03 04:11:15,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:11:15,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:11:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:11:17,071 INFO L134 CoverageAnalysis]: Checked inductivity of 5950 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5950 trivial. 0 not checked. [2022-11-03 04:11:17,072 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:11:17,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589364890] [2022-11-03 04:11:17,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589364890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:11:17,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:11:17,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:11:17,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903695783] [2022-11-03 04:11:17,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:11:17,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:11:17,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:11:17,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:11:17,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:11:17,078 INFO L87 Difference]: Start difference. First operand 30230 states and 46073 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-03 04:11:23,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 04:11:25,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:29,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:33,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:35,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:44,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:45,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:11:45,663 INFO L93 Difference]: Finished difference Result 59410 states and 90997 transitions. [2022-11-03 04:11:45,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:11:45,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 446 [2022-11-03 04:11:45,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:11:46,255 INFO L225 Difference]: With dead ends: 59410 [2022-11-03 04:11:46,255 INFO L226 Difference]: Without dead ends: 59406 [2022-11-03 04:11:46,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:11:46,302 INFO L413 NwaCegarLoop]: 14315 mSDtfsCounter, 11785 mSDsluCounter, 11961 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11785 SdHoareTripleChecker+Valid, 25576 SdHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2022-11-03 04:11:46,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11785 Valid, 25576 Invalid, 1433 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1424 Invalid, 5 Unknown, 0 Unchecked, 26.8s Time] [2022-11-03 04:11:46,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59406 states. [2022-11-03 04:11:50,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59406 to 59381. [2022-11-03 04:11:50,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59381 states, 36925 states have (on average 1.3515233581584292) internal successors, (49905), 38565 states have internal predecessors, (49905), 20219 states have call successors, (20219), 2249 states have call predecessors, (20219), 2236 states have return successors, (20841), 19936 states have call predecessors, (20841), 20190 states have call successors, (20841) [2022-11-03 04:11:51,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59381 states to 59381 states and 90965 transitions. [2022-11-03 04:11:51,820 INFO L78 Accepts]: Start accepts. Automaton has 59381 states and 90965 transitions. Word has length 446 [2022-11-03 04:11:51,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:11:51,823 INFO L495 AbstractCegarLoop]: Abstraction has 59381 states and 90965 transitions. [2022-11-03 04:11:51,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-03 04:11:51,824 INFO L276 IsEmpty]: Start isEmpty. Operand 59381 states and 90965 transitions. [2022-11-03 04:11:51,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2022-11-03 04:11:51,829 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:11:51,830 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 35, 35, 35, 35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:11:51,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 04:11:51,830 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:11:51,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:11:51,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1497574099, now seen corresponding path program 1 times [2022-11-03 04:11:51,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:11:51,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656000676] [2022-11-03 04:11:51,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:11:51,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:11:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:11:53,833 INFO L134 CoverageAnalysis]: Checked inductivity of 5950 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5950 trivial. 0 not checked. [2022-11-03 04:11:53,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:11:53,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656000676] [2022-11-03 04:11:53,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656000676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:11:53,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:11:53,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:11:53,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908317283] [2022-11-03 04:11:53,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:11:53,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:11:53,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:11:53,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:11:53,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:11:53,841 INFO L87 Difference]: Start difference. First operand 59381 states and 90965 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-03 04:11:57,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:59,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:12:01,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:12:09,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:12:13,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:12:16,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:12:26,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:12:27,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:12:27,818 INFO L93 Difference]: Finished difference Result 174204 states and 266694 transitions. [2022-11-03 04:12:27,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:12:27,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 450 [2022-11-03 04:12:27,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:12:29,008 INFO L225 Difference]: With dead ends: 174204 [2022-11-03 04:12:29,008 INFO L226 Difference]: Without dead ends: 114894 [2022-11-03 04:12:29,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:12:29,374 INFO L413 NwaCegarLoop]: 16228 mSDtfsCounter, 11076 mSDsluCounter, 11874 mSDsCounter, 0 mSdLazyCounter, 1603 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11080 SdHoareTripleChecker+Valid, 27417 SdHoareTripleChecker+Invalid, 1612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1603 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:12:29,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11080 Valid, 27417 Invalid, 1612 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1603 Invalid, 6 Unknown, 0 Unchecked, 29.1s Time] [2022-11-03 04:12:29,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114894 states. [2022-11-03 04:12:36,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114894 to 114832. [2022-11-03 04:12:36,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114832 states, 71452 states have (on average 1.3513267648211387) internal successors, (96555), 74619 states have internal predecessors, (96555), 38959 states have call successors, (38959), 4449 states have call predecessors, (38959), 4420 states have return successors, (40236), 38426 states have call predecessors, (40236), 38930 states have call successors, (40236) [2022-11-03 04:12:38,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114832 states to 114832 states and 175750 transitions. [2022-11-03 04:12:38,589 INFO L78 Accepts]: Start accepts. Automaton has 114832 states and 175750 transitions. Word has length 450 [2022-11-03 04:12:38,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:12:38,591 INFO L495 AbstractCegarLoop]: Abstraction has 114832 states and 175750 transitions. [2022-11-03 04:12:38,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-03 04:12:38,591 INFO L276 IsEmpty]: Start isEmpty. Operand 114832 states and 175750 transitions. [2022-11-03 04:12:38,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2022-11-03 04:12:38,597 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:12:38,598 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 35, 35, 35, 35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:12:38,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 04:12:38,598 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:12:38,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:12:38,599 INFO L85 PathProgramCache]: Analyzing trace with hash 749240356, now seen corresponding path program 1 times [2022-11-03 04:12:38,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:12:38,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123920469] [2022-11-03 04:12:38,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:12:38,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:12:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:12:40,197 INFO L134 CoverageAnalysis]: Checked inductivity of 5950 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5950 trivial. 0 not checked. [2022-11-03 04:12:40,198 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:12:40,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123920469] [2022-11-03 04:12:40,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123920469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:12:40,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:12:40,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:12:40,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451369563] [2022-11-03 04:12:40,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:12:40,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:12:40,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:12:40,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:12:40,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:12:40,200 INFO L87 Difference]: Start difference. First operand 114832 states and 175750 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-03 04:12:43,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:12:48,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:12:53,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:13:01,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:13:04,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:13:06,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:13:06,549 INFO L93 Difference]: Finished difference Result 160184 states and 243692 transitions. [2022-11-03 04:13:06,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:13:06,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 447 [2022-11-03 04:13:06,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:13:07,741 INFO L225 Difference]: With dead ends: 160184 [2022-11-03 04:13:07,741 INFO L226 Difference]: Without dead ends: 160180 [2022-11-03 04:13:07,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:13:07,814 INFO L413 NwaCegarLoop]: 13351 mSDtfsCounter, 11942 mSDsluCounter, 8266 mSDsCounter, 0 mSdLazyCounter, 1211 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11949 SdHoareTripleChecker+Valid, 21123 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1211 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:13:07,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11949 Valid, 21123 Invalid, 1217 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1211 Invalid, 4 Unknown, 0 Unchecked, 20.6s Time] [2022-11-03 04:13:07,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160180 states.