./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--mtd--ubi--ubi.ko-ldv_main4.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd191e60-caec-492e-bcf0-cd44394efc6b/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd191e60-caec-492e-bcf0-cd44394efc6b/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd191e60-caec-492e-bcf0-cd44394efc6b/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd191e60-caec-492e-bcf0-cd44394efc6b/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--mtd--ubi--ubi.ko-ldv_main4.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd191e60-caec-492e-bcf0-cd44394efc6b/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd191e60-caec-492e-bcf0-cd44394efc6b/bin/uautomizer-ZXIjhQolGL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 68ab79e6f1cd195ff89e9316632c84dfdb1ee61de295f555610ad4d3f6315c80 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:23:11,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:23:11,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:23:11,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:23:11,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:23:11,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:23:11,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:23:11,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:23:11,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:23:11,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:23:11,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:23:11,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:23:11,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:23:11,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:23:11,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:23:11,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:23:11,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:23:11,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:23:11,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:23:11,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:23:11,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:23:11,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:23:11,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:23:11,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:23:11,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:23:11,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:23:11,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:23:11,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:23:11,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:23:11,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:23:11,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:23:11,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:23:11,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:23:11,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:23:11,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:23:11,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:23:11,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:23:11,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:23:11,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:23:11,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:23:11,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:23:11,178 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd191e60-caec-492e-bcf0-cd44394efc6b/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-19 04:23:11,224 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:23:11,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:23:11,225 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:23:11,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:23:11,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:23:11,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:23:11,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:23:11,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:23:11,228 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:23:11,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:23:11,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:23:11,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:23:11,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 04:23:11,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:23:11,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 04:23:11,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:23:11,230 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:23:11,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 04:23:11,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:23:11,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:23:11,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:23:11,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:23:11,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:23:11,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:23:11,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 04:23:11,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:23:11,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 04:23:11,234 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 04:23:11,234 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 04:23:11,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 04:23:11,234 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:23:11,235 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_bd191e60-caec-492e-bcf0-cd44394efc6b/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd191e60-caec-492e-bcf0-cd44394efc6b/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68ab79e6f1cd195ff89e9316632c84dfdb1ee61de295f555610ad4d3f6315c80 [2021-11-19 04:23:11,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:23:11,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:23:11,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:23:11,658 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:23:11,659 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:23:11,660 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd191e60-caec-492e-bcf0-cd44394efc6b/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--mtd--ubi--ubi.ko-ldv_main4.cil.out.i [2021-11-19 04:23:11,775 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd191e60-caec-492e-bcf0-cd44394efc6b/bin/uautomizer-ZXIjhQolGL/data/8f1811f23/7109b67be53a421aa0c1342694f21740/FLAG3dc05f63b [2021-11-19 04:23:13,315 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:23:13,316 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd191e60-caec-492e-bcf0-cd44394efc6b/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--mtd--ubi--ubi.ko-ldv_main4.cil.out.i [2021-11-19 04:23:13,453 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd191e60-caec-492e-bcf0-cd44394efc6b/bin/uautomizer-ZXIjhQolGL/data/8f1811f23/7109b67be53a421aa0c1342694f21740/FLAG3dc05f63b [2021-11-19 04:23:13,746 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd191e60-caec-492e-bcf0-cd44394efc6b/bin/uautomizer-ZXIjhQolGL/data/8f1811f23/7109b67be53a421aa0c1342694f21740 [2021-11-19 04:23:13,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:23:13,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:23:13,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:23:13,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:23:13,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:23:13,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:23:13" (1/1) ... [2021-11-19 04:23:13,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@620be1a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:23:13, skipping insertion in model container [2021-11-19 04:23:13,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:23:13" (1/1) ... [2021-11-19 04:23:13,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:23:14,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:23:21,867 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_bd191e60-caec-492e-bcf0-cd44394efc6b/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--mtd--ubi--ubi.ko-ldv_main4.cil.out.i[705142,705155] [2021-11-19 04:23:22,451 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:23:22,484 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:23:23,725 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_bd191e60-caec-492e-bcf0-cd44394efc6b/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--mtd--ubi--ubi.ko-ldv_main4.cil.out.i[705142,705155] [2021-11-19 04:23:23,749 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:23:24,141 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:23:24,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:23:24 WrapperNode [2021-11-19 04:23:24,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:23:24,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:23:24,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:23:24,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:23:24,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:23:24" (1/1) ... [2021-11-19 04:23:24,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:23:24" (1/1) ... [2021-11-19 04:23:26,012 INFO L137 Inliner]: procedures = 644, calls = 13325, calls flagged for inlining = 231, calls inlined = 205, statements flattened = 26551 [2021-11-19 04:23:26,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:23:26,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:23:26,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:23:26,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:23:26,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:23:24" (1/1) ... [2021-11-19 04:23:26,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:23:24" (1/1) ... [2021-11-19 04:23:26,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:23:24" (1/1) ... [2021-11-19 04:23:26,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:23:24" (1/1) ... [2021-11-19 04:23:27,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:23:24" (1/1) ... [2021-11-19 04:23:27,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:23:24" (1/1) ... [2021-11-19 04:23:27,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:23:24" (1/1) ... [2021-11-19 04:23:27,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:23:27,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:23:27,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:23:27,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:23:27,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:23:24" (1/1) ... [2021-11-19 04:23:27,485 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:23:27,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd191e60-caec-492e-bcf0-cd44394efc6b/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:23:27,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd191e60-caec-492e-bcf0-cd44394efc6b/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 04:23:27,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd191e60-caec-492e-bcf0-cd44394efc6b/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 04:23:27,598 INFO L130 BoogieDeclarations]: Found specification of procedure volume_sysfs_init [2021-11-19 04:23:27,599 INFO L138 BoogieDeclarations]: Found implementation of procedure volume_sysfs_init [2021-11-19 04:23:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_ec_hdr [2021-11-19 04:23:27,599 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_ec_hdr [2021-11-19 04:23:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_unmap_leb [2021-11-19 04:23:27,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_unmap_leb [2021-11-19 04:23:27,600 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-19 04:23:27,600 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-19 04:23:27,600 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-19 04:23:27,600 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2021-11-19 04:23:27,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2021-11-19 04:23:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_resize_volume [2021-11-19 04:23:27,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_resize_volume [2021-11-19 04:23:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_free_internal_volumes [2021-11-19 04:23:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_free_internal_volumes [2021-11-19 04:23:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure __schedule_ubi_work [2021-11-19 04:23:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __schedule_ubi_work [2021-11-19 04:23:27,602 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_volume_notify [2021-11-19 04:23:27,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_volume_notify [2021-11-19 04:23:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 04:23:27,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 04:23:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_detach_mtd_dev [2021-11-19 04:23:27,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_detach_mtd_dev [2021-11-19 04:23:27,603 INFO L130 BoogieDeclarations]: Found specification of procedure put_mtd_device [2021-11-19 04:23:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure put_mtd_device [2021-11-19 04:23:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure erase_block [2021-11-19 04:23:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure erase_block [2021-11-19 04:23:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_pending [2021-11-19 04:23:27,604 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_pending [2021-11-19 04:23:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-11-19 04:23:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-11-19 04:23:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-19 04:23:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-19 04:23:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2021-11-19 04:23:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2021-11-19 04:23:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_read_leb [2021-11-19 04:23:27,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_read_leb [2021-11-19 04:23:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_do_get_device_info [2021-11-19 04:23:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_do_get_device_info [2021-11-19 04:23:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_cdev_ioctl [2021-11-19 04:23:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_cdev_ioctl [2021-11-19 04:23:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ckvol_mutex_of_ubi_device [2021-11-19 04:23:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ckvol_mutex_of_ubi_device [2021-11-19 04:23:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-19 04:23:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-19 04:23:27,609 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_sysfs_close [2021-11-19 04:23:27,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_sysfs_close [2021-11-19 04:23:27,609 INFO L130 BoogieDeclarations]: Found specification of procedure vtbl_check [2021-11-19 04:23:27,610 INFO L138 BoogieDeclarations]: Found implementation of procedure vtbl_check [2021-11-19 04:23:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_vid_hdr [2021-11-19 04:23:27,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_vid_hdr [2021-11-19 04:23:27,610 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_cdev_ioctl [2021-11-19 04:23:27,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_cdev_ioctl [2021-11-19 04:23:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-19 04:23:27,611 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-19 04:23:27,611 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_compare_lebs [2021-11-19 04:23:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_compare_lebs [2021-11-19 04:23:27,613 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_get_fm_peb [2021-11-19 04:23:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_get_fm_peb [2021-11-19 04:23:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 04:23:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 04:23:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2021-11-19 04:23:27,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2021-11-19 04:23:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_ioctl [2021-11-19 04:23:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_ioctl [2021-11-19 04:23:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_fastmap [2021-11-19 04:23:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_fastmap [2021-11-19 04:23:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure is_error_sane [2021-11-19 04:23:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure is_error_sane [2021-11-19 04:23:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_vid_hdr [2021-11-19 04:23:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_vid_hdr [2021-11-19 04:23:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vid_hdr [2021-11-19 04:23:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vid_hdr [2021-11-19 04:23:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure rb_next [2021-11-19 04:23:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_next [2021-11-19 04:23:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_check_volume [2021-11-19 04:23:27,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_check_volume [2021-11-19 04:23:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-19 04:23:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_calc_data_len [2021-11-19 04:23:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_calc_data_len [2021-11-19 04:23:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_data [2021-11-19 04:23:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_data [2021-11-19 04:23:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_close [2021-11-19 04:23:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_close [2021-11-19 04:23:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_free_vid_hdr [2021-11-19 04:23:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_free_vid_hdr [2021-11-19 04:23:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 04:23:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-19 04:23:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-19 04:23:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2021-11-19 04:23:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2021-11-19 04:23:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_find_av [2021-11-19 04:23:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_find_av [2021-11-19 04:23:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 04:23:27,624 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 04:23:27,624 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-19 04:23:27,625 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-19 04:23:27,625 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 04:23:27,625 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 04:23:27,626 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_ubi_work [2021-11-19 04:23:27,626 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_ubi_work [2021-11-19 04:23:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_erase___0 [2021-11-19 04:23:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_erase___0 [2021-11-19 04:23:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 04:23:27,627 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 04:23:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-19 04:23:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-19 04:23:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_ec_hdr [2021-11-19 04:23:27,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_ec_hdr [2021-11-19 04:23:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-19 04:23:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_not_bad [2021-11-19 04:23:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_not_bad [2021-11-19 04:23:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-19 04:23:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-19 04:23:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_div_by_eb [2021-11-19 04:23:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_div_by_eb [2021-11-19 04:23:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 04:23:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 04:23:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_calculate_reserved [2021-11-19 04:23:27,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_calculate_reserved [2021-11-19 04:23:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_debugfs_exit_dev [2021-11-19 04:23:27,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_debugfs_exit_dev [2021-11-19 04:23:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-19 04:23:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure validate_vid_hdr [2021-11-19 04:23:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_vid_hdr [2021-11-19 04:23:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_buf_mutex_of_ubi_device [2021-11-19 04:23:27,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_buf_mutex_of_ubi_device [2021-11-19 04:23:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure find_mean_wl_entry [2021-11-19 04:23:27,645 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mean_wl_entry [2021-11-19 04:23:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-19 04:23:27,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-19 04:23:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 04:23:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_move_mutex_of_ubi_device [2021-11-19 04:23:27,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_move_mutex_of_ubi_device [2021-11-19 04:23:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-19 04:23:27,647 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-19 04:23:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 04:23:27,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 04:23:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_data [2021-11-19 04:23:27,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_data [2021-11-19 04:23:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure prot_queue_add [2021-11-19 04:23:27,648 INFO L138 BoogieDeclarations]: Found implementation of procedure prot_queue_add [2021-11-19 04:23:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-11-19 04:23:27,648 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-11-19 04:23:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-11-19 04:23:27,649 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-11-19 04:23:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_write [2021-11-19 04:23:27,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_write [2021-11-19 04:23:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-19 04:23:27,650 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-19 04:23:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-19 04:23:27,650 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-19 04:23:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2021-11-19 04:23:27,650 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2021-11-19 04:23:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure new_fm_vhdr [2021-11-19 04:23:27,651 INFO L138 BoogieDeclarations]: Found implementation of procedure new_fm_vhdr [2021-11-19 04:23:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure yield [2021-11-19 04:23:27,651 INFO L138 BoogieDeclarations]: Found implementation of procedure yield [2021-11-19 04:23:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-11-19 04:23:27,651 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-11-19 04:23:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure find_wl_entry [2021-11-19 04:23:27,652 INFO L138 BoogieDeclarations]: Found implementation of procedure find_wl_entry [2021-11-19 04:23:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_io [2021-11-19 04:23:27,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_io [2021-11-19 04:23:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure __vmalloc [2021-11-19 04:23:27,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __vmalloc [2021-11-19 04:23:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_is_bad [2021-11-19 04:23:27,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_is_bad [2021-11-19 04:23:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure vol_id2idx [2021-11-19 04:23:27,653 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_id2idx [2021-11-19 04:23:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_device_mutex_of_ubi_device [2021-11-19 04:23:27,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_device_mutex_of_ubi_device [2021-11-19 04:23:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-19 04:23:27,654 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-19 04:23:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 04:23:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_reserved [2021-11-19 04:23:27,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_reserved [2021-11-19 04:23:27,655 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_put_fm_peb [2021-11-19 04:23:27,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_put_fm_peb [2021-11-19 04:23:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure in_wl_tree [2021-11-19 04:23:27,656 INFO L138 BoogieDeclarations]: Found implementation of procedure in_wl_tree [2021-11-19 04:23:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_ai [2021-11-19 04:23:27,656 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_ai [2021-11-19 04:23:27,656 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-11-19 04:23:27,656 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-11-19 04:23:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_move_mutex_of_ubi_device [2021-11-19 04:23:27,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_move_mutex_of_ubi_device [2021-11-19 04:23:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_get_peb [2021-11-19 04:23:27,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_get_peb [2021-11-19 04:23:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-19 04:23:27,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-19 04:23:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:23:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_ai [2021-11-19 04:23:27,658 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_ai [2021-11-19 04:23:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 04:23:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 04:23:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_aeb [2021-11-19 04:23:27,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_aeb [2021-11-19 04:23:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_av [2021-11-19 04:23:27,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_av [2021-11-19 04:23:27,659 INFO L130 BoogieDeclarations]: Found specification of procedure write_leb [2021-11-19 04:23:27,660 INFO L138 BoogieDeclarations]: Found implementation of procedure write_leb [2021-11-19 04:23:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2021-11-19 04:23:27,660 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2021-11-19 04:23:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-11-19 04:23:27,660 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-11-19 04:23:27,660 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_erase [2021-11-19 04:23:27,661 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_erase [2021-11-19 04:23:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure prot_queue_del [2021-11-19 04:23:27,661 INFO L138 BoogieDeclarations]: Found implementation of procedure prot_queue_del [2021-11-19 04:23:27,661 INFO L130 BoogieDeclarations]: Found specification of procedure validate_ec_hdr [2021-11-19 04:23:27,661 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_ec_hdr [2021-11-19 04:23:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_compat [2021-11-19 04:23:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_compat [2021-11-19 04:23:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_gen [2021-11-19 04:23:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_gen [2021-11-19 04:23:27,662 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_remove_av [2021-11-19 04:23:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_remove_av [2021-11-19 04:23:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-11-19 04:23:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-11-19 04:23:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_device [2021-11-19 04:23:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_device [2021-11-19 04:23:27,663 INFO L130 BoogieDeclarations]: Found specification of procedure rb_first [2021-11-19 04:23:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_first [2021-11-19 04:23:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_vid_hdr [2021-11-19 04:23:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_vid_hdr [2021-11-19 04:23:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2021-11-19 04:23:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2021-11-19 04:23:27,664 INFO L130 BoogieDeclarations]: Found specification of procedure leb_write_lock [2021-11-19 04:23:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_write_lock [2021-11-19 04:23:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-19 04:23:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-19 04:23:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2021-11-19 04:23:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2021-11-19 04:23:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read [2021-11-19 04:23:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read [2021-11-19 04:23:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_change_vtbl_record [2021-11-19 04:23:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_change_vtbl_record [2021-11-19 04:23:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure uif_close [2021-11-19 04:23:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure uif_close [2021-11-19 04:23:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-11-19 04:23:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-11-19 04:23:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_atomic_leb_change [2021-11-19 04:23:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_atomic_leb_change [2021-11-19 04:23:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:23:27,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:23:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-19 04:23:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-19 04:23:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_ro_mode [2021-11-19 04:23:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_ro_mode [2021-11-19 04:23:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-19 04:23:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-19 04:23:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2021-11-19 04:23:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2021-11-19 04:23:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 04:23:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fm_mutex_of_ubi_device [2021-11-19 04:23:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fm_mutex_of_ubi_device [2021-11-19 04:23:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 04:23:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_buf_mutex_of_ubi_device [2021-11-19 04:23:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_buf_mutex_of_ubi_device [2021-11-19 04:23:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ubi_devices_mutex [2021-11-19 04:23:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ubi_devices_mutex [2021-11-19 04:23:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-19 04:23:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-19 04:23:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure scan_all [2021-11-19 04:23:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_all [2021-11-19 04:23:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_flash [2021-11-19 04:23:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_flash [2021-11-19 04:23:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr [2021-11-19 04:23:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr [2021-11-19 04:23:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_is_fm_block [2021-11-19 04:23:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_is_fm_block [2021-11-19 04:23:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure leb_write_unlock [2021-11-19 04:23:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_write_unlock [2021-11-19 04:23:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_device_mutex_of_ubi_device [2021-11-19 04:23:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_device_mutex_of_ubi_device [2021-11-19 04:23:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure device_register [2021-11-19 04:23:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure device_register [2021-11-19 04:23:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_sync_erase [2021-11-19 04:23:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_sync_erase [2021-11-19 04:23:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 04:23:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 04:23:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-19 04:23:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-19 04:23:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure idx2vol_id [2021-11-19 04:23:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure idx2vol_id [2021-11-19 04:23:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-19 04:23:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-19 04:23:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_peb_ec_hdr [2021-11-19 04:23:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_peb_ec_hdr [2021-11-19 04:23:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vol_info [2021-11-19 04:23:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vol_info [2021-11-19 04:23:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 04:23:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 04:23:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure get_peb_for_wl [2021-11-19 04:23:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure get_peb_for_wl [2021-11-19 04:23:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-11-19 04:23:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-11-19 04:23:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-19 04:23:27,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-19 04:23:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure blocking_notifier_call_chain [2021-11-19 04:23:27,686 INFO L138 BoogieDeclarations]: Found implementation of procedure blocking_notifier_call_chain [2021-11-19 04:23:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure create_vtbl [2021-11-19 04:23:27,686 INFO L138 BoogieDeclarations]: Found implementation of procedure create_vtbl [2021-11-19 04:23:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure prandom_u32 [2021-11-19 04:23:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure prandom_u32 [2021-11-19 04:23:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-19 04:23:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-19 04:23:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2021-11-19 04:23:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2021-11-19 04:23:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 04:23:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure do_work [2021-11-19 04:23:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure do_work [2021-11-19 04:23:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 04:23:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 04:23:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_in_wl_tree [2021-11-19 04:23:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_in_wl_tree [2021-11-19 04:23:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_open_volume [2021-11-19 04:23:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_open_volume [2021-11-19 04:23:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_check_pattern [2021-11-19 04:23:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_check_pattern [2021-11-19 04:23:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_bitflip [2021-11-19 04:23:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_bitflip [2021-11-19 04:23:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_write_leb [2021-11-19 04:23:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_write_leb [2021-11-19 04:23:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-11-19 04:23:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-11-19 04:23:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-11-19 04:23:27,691 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-11-19 04:23:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 04:23:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_put_device [2021-11-19 04:23:27,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_put_device [2021-11-19 04:23:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure assign_aeb_to_av [2021-11-19 04:23:27,691 INFO L138 BoogieDeclarations]: Found implementation of procedure assign_aeb_to_av [2021-11-19 04:23:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-19 04:23:27,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-19 04:23:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure clear_update_marker [2021-11-19 04:23:27,692 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_update_marker [2021-11-19 04:23:27,692 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-11-19 04:23:27,692 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-11-19 04:23:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure scan_peb [2021-11-19 04:23:27,693 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_peb [2021-11-19 04:23:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-11-19 04:23:27,693 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-11-19 04:23:27,693 INFO L130 BoogieDeclarations]: Found specification of procedure validate_vid_hdr___0 [2021-11-19 04:23:27,693 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_vid_hdr___0 [2021-11-19 04:23:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 04:23:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-19 04:23:27,694 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-19 04:23:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_self_check_all_ff [2021-11-19 04:23:27,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_self_check_all_ff [2021-11-19 04:23:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2021-11-19 04:23:27,695 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2021-11-19 04:23:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_eccerr [2021-11-19 04:23:27,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_eccerr [2021-11-19 04:23:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_close_volume [2021-11-19 04:23:27,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_close_volume [2021-11-19 04:23:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_put_peb [2021-11-19 04:23:27,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_put_peb [2021-11-19 04:23:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-19 04:23:27,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-19 04:23:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-11-19 04:23:27,696 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-11-19 04:23:27,696 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 04:23:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 04:23:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-19 04:23:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-19 04:23:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_wear_leveling [2021-11-19 04:23:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_wear_leveling [2021-11-19 04:23:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure leb_read_unlock [2021-11-19 04:23:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_read_unlock [2021-11-19 04:23:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_next_sqnum [2021-11-19 04:23:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_next_sqnum [2021-11-19 04:23:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ubi_devices_mutex [2021-11-19 04:23:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ubi_devices_mutex [2021-11-19 04:23:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-19 04:23:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-19 04:23:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_ec_hdr [2021-11-19 04:23:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_ec_hdr [2021-11-19 04:23:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure ltree_add_entry [2021-11-19 04:23:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ltree_add_entry [2021-11-19 04:23:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure volume_sysfs_close [2021-11-19 04:23:27,700 INFO L138 BoogieDeclarations]: Found implementation of procedure volume_sysfs_close [2021-11-19 04:23:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure revoke_exclusive [2021-11-19 04:23:27,701 INFO L138 BoogieDeclarations]: Found implementation of procedure revoke_exclusive [2021-11-19 04:23:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure return_unused_pool_pebs [2021-11-19 04:23:27,701 INFO L138 BoogieDeclarations]: Found implementation of procedure return_unused_pool_pebs [2021-11-19 04:23:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 04:23:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 04:23:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vtbl_record [2021-11-19 04:23:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vtbl_record [2021-11-19 04:23:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure erase_worker [2021-11-19 04:23:27,703 INFO L138 BoogieDeclarations]: Found implementation of procedure erase_worker [2021-11-19 04:23:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_erase [2021-11-19 04:23:27,703 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_erase [2021-11-19 04:23:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_add_to_av [2021-11-19 04:23:27,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_add_to_av [2021-11-19 04:23:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2021-11-19 04:23:27,703 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2021-11-19 04:23:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-11-19 04:23:27,704 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2021-11-19 04:23:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 04:23:27,704 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 04:23:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-19 04:23:27,705 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-19 04:23:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 04:23:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2021-11-19 04:23:27,705 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2021-11-19 04:23:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_remove_volume [2021-11-19 04:23:27,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_remove_volume [2021-11-19 04:23:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 04:23:27,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 04:23:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure ltree_lookup [2021-11-19 04:23:27,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ltree_lookup [2021-11-19 04:23:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2021-11-19 04:23:27,706 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2021-11-19 04:23:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-11-19 04:23:27,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-11-19 04:23:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-19 04:23:27,707 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-19 04:23:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_flush [2021-11-19 04:23:27,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_flush [2021-11-19 04:23:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_list [2021-11-19 04:23:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_list [2021-11-19 04:23:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_volumes [2021-11-19 04:23:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_volumes [2021-11-19 04:23:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure kill_volumes [2021-11-19 04:23:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_volumes [2021-11-19 04:23:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_is_bgt_disabled [2021-11-19 04:23:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_is_bgt_disabled [2021-11-19 04:23:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_notify_all [2021-11-19 04:23:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_notify_all [2021-11-19 04:23:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-11-19 04:23:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-11-19 04:23:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write [2021-11-19 04:23:27,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write [2021-11-19 04:23:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure imajor [2021-11-19 04:23:27,710 INFO L138 BoogieDeclarations]: Found implementation of procedure imajor [2021-11-19 04:23:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure scan_pool [2021-11-19 04:23:27,710 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_pool [2021-11-19 04:23:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-19 04:23:27,711 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-19 04:23:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure add_aeb [2021-11-19 04:23:27,711 INFO L138 BoogieDeclarations]: Found implementation of procedure add_aeb [2021-11-19 04:23:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_read [2021-11-19 04:23:27,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_read [2021-11-19 04:23:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure get_exclusive [2021-11-19 04:23:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exclusive [2021-11-19 04:23:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_major2num [2021-11-19 04:23:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_major2num [2021-11-19 04:23:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_do_get_volume_info [2021-11-19 04:23:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_do_get_volume_info [2021-11-19 04:23:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fm_mutex_of_ubi_device [2021-11-19 04:23:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fm_mutex_of_ubi_device [2021-11-19 04:23:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2021-11-19 04:23:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2021-11-19 04:23:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 04:23:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 04:23:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure tree_destroy [2021-11-19 04:23:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_destroy [2021-11-19 04:23:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 04:23:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_ec_hdr [2021-11-19 04:23:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_ec_hdr [2021-11-19 04:23:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure find_anchor_wl_entry [2021-11-19 04:23:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure find_anchor_wl_entry [2021-11-19 04:23:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 04:23:27,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 04:23:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-11-19 04:23:27,715 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-11-19 04:23:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure wl_tree_add [2021-11-19 04:23:27,715 INFO L138 BoogieDeclarations]: Found implementation of procedure wl_tree_add [2021-11-19 04:23:30,284 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:23:30,294 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:30:25,074 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:30:25,126 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:30:25,127 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 04:30:25,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:30:25 BoogieIcfgContainer [2021-11-19 04:30:25,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:30:25,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 04:30:25,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 04:30:25,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 04:30:25,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:23:13" (1/3) ... [2021-11-19 04:30:25,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1fb3d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:30:25, skipping insertion in model container [2021-11-19 04:30:25,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:23:24" (2/3) ... [2021-11-19 04:30:25,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1fb3d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:30:25, skipping insertion in model container [2021-11-19 04:30:25,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:30:25" (3/3) ... [2021-11-19 04:30:25,149 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--mtd--ubi--ubi.ko-ldv_main4.cil.out.i [2021-11-19 04:30:25,156 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 04:30:25,156 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 04:30:25,255 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 04:30:25,263 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 04:30:25,264 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 04:30:25,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 7715 states, 5028 states have (on average 1.3677406523468576) internal successors, (6877), 5277 states have internal predecessors, (6877), 2459 states have call successors, (2459), 226 states have call predecessors, (2459), 226 states have return successors, (2459), 2409 states have call predecessors, (2459), 2459 states have call successors, (2459) [2021-11-19 04:30:25,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-19 04:30:25,458 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:30:25,459 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:30:25,459 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:30:25,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:30:25,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1567270421, now seen corresponding path program 1 times [2021-11-19 04:30:25,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:30:25,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450032361] [2021-11-19 04:30:25,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:30:25,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:30:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:30:26,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:30:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:30:26,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:30:26,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:30:26,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450032361] [2021-11-19 04:30:26,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450032361] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:30:26,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:30:26,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:30:26,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562272857] [2021-11-19 04:30:26,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:30:26,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:30:26,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:30:26,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:30:26,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:30:27,012 INFO L87 Difference]: Start difference. First operand has 7715 states, 5028 states have (on average 1.3677406523468576) internal successors, (6877), 5277 states have internal predecessors, (6877), 2459 states have call successors, (2459), 226 states have call predecessors, (2459), 226 states have return successors, (2459), 2409 states have call predecessors, (2459), 2459 states have call successors, (2459) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 04:30:29,262 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:30:31,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:30:58,936 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:31:05,873 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:31:38,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 04:31:57,642 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:32:01,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:32:01,590 INFO L93 Difference]: Finished difference Result 19603 states and 30618 transitions. [2021-11-19 04:32:01,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:32:01,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-11-19 04:32:01,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:32:01,760 INFO L225 Difference]: With dead ends: 19603 [2021-11-19 04:32:01,760 INFO L226 Difference]: Without dead ends: 11885 [2021-11-19 04:32:01,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:32:01,895 INFO L933 BasicCegarLoop]: 9857 mSDtfsCounter, 15174 mSDsluCounter, 1528 mSDsCounter, 0 mSdLazyCounter, 11786 mSolverCounterSat, 7969 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17086 SdHoareTripleChecker+Valid, 11385 SdHoareTripleChecker+Invalid, 19760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 7969 IncrementalHoareTripleChecker+Valid, 11786 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.3s IncrementalHoareTripleChecker+Time [2021-11-19 04:32:01,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17086 Valid, 11385 Invalid, 19760 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [7969 Valid, 11786 Invalid, 5 Unknown, 0 Unchecked, 92.3s Time] [2021-11-19 04:32:01,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11885 states. [2021-11-19 04:32:03,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11885 to 10411. [2021-11-19 04:32:03,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10411 states, 6722 states have (on average 1.3543588217792324) internal successors, (9104), 7074 states have internal predecessors, (9104), 3345 states have call successors, (3345), 345 states have call predecessors, (3345), 343 states have return successors, (3320), 3245 states have call predecessors, (3320), 3320 states have call successors, (3320) [2021-11-19 04:32:03,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10411 states to 10411 states and 15769 transitions. [2021-11-19 04:32:03,784 INFO L78 Accepts]: Start accepts. Automaton has 10411 states and 15769 transitions. Word has length 12 [2021-11-19 04:32:03,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:32:03,785 INFO L470 AbstractCegarLoop]: Abstraction has 10411 states and 15769 transitions. [2021-11-19 04:32:03,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 04:32:03,785 INFO L276 IsEmpty]: Start isEmpty. Operand 10411 states and 15769 transitions. [2021-11-19 04:32:03,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-19 04:32:03,787 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:32:03,787 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:32:03,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 04:32:03,788 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:32:03,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:32:03,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1345700729, now seen corresponding path program 1 times [2021-11-19 04:32:03,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:32:03,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085170066] [2021-11-19 04:32:03,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:32:03,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:32:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:32:05,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:32:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:32:05,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:32:05,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:32:05,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085170066] [2021-11-19 04:32:05,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085170066] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:32:05,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:32:05,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:32:05,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808768430] [2021-11-19 04:32:05,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:32:05,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:32:05,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:32:05,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:32:05,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:32:05,072 INFO L87 Difference]: Start difference. First operand 10411 states and 15769 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 04:32:07,342 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:32:09,410 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:32:25,807 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 04:32:36,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:32:43,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:33:12,854 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:33:14,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:33:14,336 INFO L93 Difference]: Finished difference Result 12691 states and 19174 transitions. [2021-11-19 04:33:14,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:33:14,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2021-11-19 04:33:14,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:33:14,481 INFO L225 Difference]: With dead ends: 12691 [2021-11-19 04:33:14,481 INFO L226 Difference]: Without dead ends: 12687 [2021-11-19 04:33:14,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:33:14,493 INFO L933 BasicCegarLoop]: 9457 mSDtfsCounter, 13309 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 8121 mSolverCounterSat, 7091 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14636 SdHoareTripleChecker+Valid, 10059 SdHoareTripleChecker+Invalid, 15217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7091 IncrementalHoareTripleChecker+Valid, 8121 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.8s IncrementalHoareTripleChecker+Time [2021-11-19 04:33:14,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14636 Valid, 10059 Invalid, 15217 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7091 Valid, 8121 Invalid, 5 Unknown, 0 Unchecked, 67.8s Time] [2021-11-19 04:33:14,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12687 states. [2021-11-19 04:33:15,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12687 to 11998. [2021-11-19 04:33:15,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11998 states, 7739 states have (on average 1.3479777749063186) internal successors, (10432), 8157 states have internal predecessors, (10432), 3810 states have call successors, (3810), 450 states have call predecessors, (3810), 448 states have return successors, (3789), 3688 states have call predecessors, (3789), 3787 states have call successors, (3789) [2021-11-19 04:33:15,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11998 states to 11998 states and 18031 transitions. [2021-11-19 04:33:15,958 INFO L78 Accepts]: Start accepts. Automaton has 11998 states and 18031 transitions. Word has length 13 [2021-11-19 04:33:15,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:33:15,958 INFO L470 AbstractCegarLoop]: Abstraction has 11998 states and 18031 transitions. [2021-11-19 04:33:15,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 04:33:15,960 INFO L276 IsEmpty]: Start isEmpty. Operand 11998 states and 18031 transitions. [2021-11-19 04:33:15,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-19 04:33:15,961 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:33:15,961 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:33:15,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 04:33:15,962 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:33:15,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:33:15,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1227997294, now seen corresponding path program 1 times [2021-11-19 04:33:15,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:33:15,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609818280] [2021-11-19 04:33:15,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:33:15,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:33:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:33:16,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:33:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:33:16,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:33:16,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:33:16,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609818280] [2021-11-19 04:33:16,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609818280] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:33:16,905 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:33:16,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:33:16,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095020519] [2021-11-19 04:33:16,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:33:16,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:33:16,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:33:16,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:33:16,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:33:16,907 INFO L87 Difference]: Start difference. First operand 11998 states and 18031 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 04:33:19,183 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:33:21,254 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:33:43,392 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-19 04:33:49,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:33:57,786 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:34:28,736 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:34:31,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:34:31,984 INFO L93 Difference]: Finished difference Result 14153 states and 21367 transitions. [2021-11-19 04:34:31,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:34:31,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2021-11-19 04:34:31,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:34:32,098 INFO L225 Difference]: With dead ends: 14153 [2021-11-19 04:34:32,098 INFO L226 Difference]: Without dead ends: 14149 [2021-11-19 04:34:32,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:34:32,107 INFO L933 BasicCegarLoop]: 9325 mSDtfsCounter, 14263 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 8919 mSolverCounterSat, 7180 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15836 SdHoareTripleChecker+Valid, 9722 SdHoareTripleChecker+Invalid, 16105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7180 IncrementalHoareTripleChecker+Valid, 8919 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.7s IncrementalHoareTripleChecker+Time [2021-11-19 04:34:32,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15836 Valid, 9722 Invalid, 16105 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7180 Valid, 8919 Invalid, 6 Unknown, 0 Unchecked, 73.7s Time] [2021-11-19 04:34:32,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14149 states. [2021-11-19 04:34:33,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14149 to 12796. [2021-11-19 04:34:33,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12796 states, 8256 states have (on average 1.346172480620155) internal successors, (11114), 8705 states have internal predecessors, (11114), 4028 states have call successors, (4028), 513 states have call predecessors, (4028), 511 states have return successors, (4009), 3903 states have call predecessors, (4009), 4007 states have call successors, (4009) [2021-11-19 04:34:33,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12796 states to 12796 states and 19151 transitions. [2021-11-19 04:34:33,828 INFO L78 Accepts]: Start accepts. Automaton has 12796 states and 19151 transitions. Word has length 14 [2021-11-19 04:34:33,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:34:33,828 INFO L470 AbstractCegarLoop]: Abstraction has 12796 states and 19151 transitions. [2021-11-19 04:34:33,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 04:34:33,829 INFO L276 IsEmpty]: Start isEmpty. Operand 12796 states and 19151 transitions. [2021-11-19 04:34:33,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-19 04:34:33,830 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:34:33,831 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:34:33,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 04:34:33,831 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:34:33,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:34:33,833 INFO L85 PathProgramCache]: Analyzing trace with hash -591737750, now seen corresponding path program 1 times [2021-11-19 04:34:33,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:34:33,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054628057] [2021-11-19 04:34:33,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:34:33,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:34:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:34:34,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:34:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:34:34,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:34:34,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:34:34,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054628057] [2021-11-19 04:34:34,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054628057] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:34:34,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:34:34,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:34:34,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110489355] [2021-11-19 04:34:34,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:34:34,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:34:34,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:34:34,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:34:34,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:34:34,608 INFO L87 Difference]: Start difference. First operand 12796 states and 19151 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 04:34:36,871 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:34:38,947 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:34:53,277 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:35:11,088 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-19 04:35:17,250 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:35:20,243 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:35:27,638 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:35:49,835 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []