./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f88fc19-0bda-4617-95a1-b6416cd2440d/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f88fc19-0bda-4617-95a1-b6416cd2440d/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f88fc19-0bda-4617-95a1-b6416cd2440d/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f88fc19-0bda-4617-95a1-b6416cd2440d/bin/uautomizer-tPACEb0tL8/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_8f88fc19-0bda-4617-95a1-b6416cd2440d/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f88fc19-0bda-4617-95a1-b6416cd2440d/bin/uautomizer-tPACEb0tL8 --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:42:08,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:42:08,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:42:08,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:42:08,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:42:08,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:42:08,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:42:08,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:42:08,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:42:08,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:42:08,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:42:08,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:42:08,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:42:08,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:42:08,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:42:08,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:42:08,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:42:08,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:42:08,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:42:08,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:42:08,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:42:08,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:42:08,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:42:08,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:42:08,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:42:08,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:42:08,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:42:08,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:42:08,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:42:08,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:42:08,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:42:08,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:42:08,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:42:08,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:42:08,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:42:08,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:42:08,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:42:08,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:42:08,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:42:08,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:42:08,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:42:08,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f88fc19-0bda-4617-95a1-b6416cd2440d/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:42:08,301 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:42:08,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:42:08,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:42:08,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:42:08,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:42:08,304 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:42:08,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:42:08,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:42:08,305 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:42:08,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:42:08,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:42:08,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:42:08,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:42:08,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:42:08,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:42:08,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:42:08,307 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:42:08,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:42:08,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:42:08,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:42:08,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:42:08,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:42:08,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:42:08,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:42:08,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:42:08,309 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:42:08,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:42:08,310 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:42:08,310 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:42:08,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:42:08,310 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_8f88fc19-0bda-4617-95a1-b6416cd2440d/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f88fc19-0bda-4617-95a1-b6416cd2440d/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68ab79e6f1cd195ff89e9316632c84dfdb1ee61de295f555610ad4d3f6315c80 [2022-11-16 11:42:08,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:42:08,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:42:08,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:42:08,659 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:42:08,660 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:42:08,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f88fc19-0bda-4617-95a1-b6416cd2440d/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--mtd--ubi--ubi.ko-ldv_main4.cil.out.i [2022-11-16 11:42:08,738 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f88fc19-0bda-4617-95a1-b6416cd2440d/bin/uautomizer-tPACEb0tL8/data/28e4070be/128e6ed51e2248cead57e4d87e46196c/FLAG9153436ac [2022-11-16 11:42:10,045 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:42:10,046 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f88fc19-0bda-4617-95a1-b6416cd2440d/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--mtd--ubi--ubi.ko-ldv_main4.cil.out.i [2022-11-16 11:42:10,136 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f88fc19-0bda-4617-95a1-b6416cd2440d/bin/uautomizer-tPACEb0tL8/data/28e4070be/128e6ed51e2248cead57e4d87e46196c/FLAG9153436ac [2022-11-16 11:42:10,158 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f88fc19-0bda-4617-95a1-b6416cd2440d/bin/uautomizer-tPACEb0tL8/data/28e4070be/128e6ed51e2248cead57e4d87e46196c [2022-11-16 11:42:10,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:42:10,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:42:10,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:42:10,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:42:10,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:42:10,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:42:10" (1/1) ... [2022-11-16 11:42:10,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a7104fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:10, skipping insertion in model container [2022-11-16 11:42:10,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:42:10" (1/1) ... [2022-11-16 11:42:10,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:42:10,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:42:16,677 WARN L229 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_8f88fc19-0bda-4617-95a1-b6416cd2440d/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--mtd--ubi--ubi.ko-ldv_main4.cil.out.i[705142,705155] [2022-11-16 11:42:17,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:42:17,149 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:42:18,248 WARN L229 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_8f88fc19-0bda-4617-95a1-b6416cd2440d/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--mtd--ubi--ubi.ko-ldv_main4.cil.out.i[705142,705155] [2022-11-16 11:42:18,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:42:18,530 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:42:18,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:18 WrapperNode [2022-11-16 11:42:18,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:42:18,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:42:18,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:42:18,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:42:18,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:18" (1/1) ... [2022-11-16 11:42:18,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:18" (1/1) ... [2022-11-16 11:42:19,971 INFO L138 Inliner]: procedures = 644, calls = 13565, calls flagged for inlining = 231, calls inlined = 205, statements flattened = 26799 [2022-11-16 11:42:19,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:42:19,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:42:19,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:42:19,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:42:20,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:18" (1/1) ... [2022-11-16 11:42:20,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:18" (1/1) ... [2022-11-16 11:42:20,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:18" (1/1) ... [2022-11-16 11:42:20,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:18" (1/1) ... [2022-11-16 11:42:20,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:18" (1/1) ... [2022-11-16 11:42:20,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:18" (1/1) ... [2022-11-16 11:42:20,899 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:18" (1/1) ... [2022-11-16 11:42:20,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:18" (1/1) ... [2022-11-16 11:42:21,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:42:21,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:42:21,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:42:21,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:42:21,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:18" (1/1) ... [2022-11-16 11:42:21,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:42:21,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f88fc19-0bda-4617-95a1-b6416cd2440d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:42:21,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f88fc19-0bda-4617-95a1-b6416cd2440d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:42:21,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f88fc19-0bda-4617-95a1-b6416cd2440d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:42:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure volume_sysfs_init [2022-11-16 11:42:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure volume_sysfs_init [2022-11-16 11:42:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_ec_hdr [2022-11-16 11:42:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_ec_hdr [2022-11-16 11:42:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_unmap_leb [2022-11-16 11:42:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_unmap_leb [2022-11-16 11:42:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-16 11:42:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-16 11:42:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-16 11:42:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-11-16 11:42:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-11-16 11:42:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_resize_volume [2022-11-16 11:42:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_resize_volume [2022-11-16 11:42:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_free_internal_volumes [2022-11-16 11:42:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_free_internal_volumes [2022-11-16 11:42:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure __schedule_ubi_work [2022-11-16 11:42:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __schedule_ubi_work [2022-11-16 11:42:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_volume_notify [2022-11-16 11:42:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_volume_notify [2022-11-16 11:42:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:42:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:42:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_detach_mtd_dev [2022-11-16 11:42:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_detach_mtd_dev [2022-11-16 11:42:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure put_mtd_device [2022-11-16 11:42:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure put_mtd_device [2022-11-16 11:42:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure erase_block [2022-11-16 11:42:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure erase_block [2022-11-16 11:42:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_pending [2022-11-16 11:42:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_pending [2022-11-16 11:42:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-16 11:42:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-16 11:42:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-16 11:42:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-16 11:42:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2022-11-16 11:42:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2022-11-16 11:42:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_read_leb [2022-11-16 11:42:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_read_leb [2022-11-16 11:42:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_do_get_device_info [2022-11-16 11:42:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_do_get_device_info [2022-11-16 11:42:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_cdev_ioctl [2022-11-16 11:42:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_cdev_ioctl [2022-11-16 11:42:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ckvol_mutex_of_ubi_device [2022-11-16 11:42:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ckvol_mutex_of_ubi_device [2022-11-16 11:42:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-16 11:42:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-16 11:42:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_sysfs_close [2022-11-16 11:42:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_sysfs_close [2022-11-16 11:42:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure vtbl_check [2022-11-16 11:42:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure vtbl_check [2022-11-16 11:42:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_vid_hdr [2022-11-16 11:42:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_vid_hdr [2022-11-16 11:42:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_cdev_ioctl [2022-11-16 11:42:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_cdev_ioctl [2022-11-16 11:42:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-16 11:42:21,156 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-16 11:42:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_compare_lebs [2022-11-16 11:42:21,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_compare_lebs [2022-11-16 11:42:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_get_fm_peb [2022-11-16 11:42:21,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_get_fm_peb [2022-11-16 11:42:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 11:42:21,158 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 11:42:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2022-11-16 11:42:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2022-11-16 11:42:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_ioctl [2022-11-16 11:42:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_ioctl [2022-11-16 11:42:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_fastmap [2022-11-16 11:42:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_fastmap [2022-11-16 11:42:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure is_error_sane [2022-11-16 11:42:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure is_error_sane [2022-11-16 11:42:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_vid_hdr [2022-11-16 11:42:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_vid_hdr [2022-11-16 11:42:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vid_hdr [2022-11-16 11:42:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vid_hdr [2022-11-16 11:42:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure rb_next [2022-11-16 11:42:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_next [2022-11-16 11:42:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_check_volume [2022-11-16 11:42:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_check_volume [2022-11-16 11:42:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 11:42:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_calc_data_len [2022-11-16 11:42:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_calc_data_len [2022-11-16 11:42:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_data [2022-11-16 11:42:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_data [2022-11-16 11:42:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_close [2022-11-16 11:42:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_close [2022-11-16 11:42:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_free_vid_hdr [2022-11-16 11:42:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_free_vid_hdr [2022-11-16 11:42:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:42:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-16 11:42:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-16 11:42:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2022-11-16 11:42:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2022-11-16 11:42:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_find_av [2022-11-16 11:42:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_find_av [2022-11-16 11:42:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-16 11:42:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-16 11:42:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-16 11:42:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-16 11:42:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 11:42:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 11:42:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_ubi_work [2022-11-16 11:42:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_ubi_work [2022-11-16 11:42:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_erase___0 [2022-11-16 11:42:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_erase___0 [2022-11-16 11:42:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 11:42:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 11:42:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-16 11:42:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-16 11:42:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_ec_hdr [2022-11-16 11:42:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_ec_hdr [2022-11-16 11:42:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 11:42:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_not_bad [2022-11-16 11:42:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_not_bad [2022-11-16 11:42:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-16 11:42:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-16 11:42:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_div_by_eb [2022-11-16 11:42:21,172 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_div_by_eb [2022-11-16 11:42:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 11:42:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 11:42:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_calculate_reserved [2022-11-16 11:42:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_calculate_reserved [2022-11-16 11:42:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_debugfs_exit_dev [2022-11-16 11:42:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_debugfs_exit_dev [2022-11-16 11:42:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 11:42:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure validate_vid_hdr [2022-11-16 11:42:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_vid_hdr [2022-11-16 11:42:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_buf_mutex_of_ubi_device [2022-11-16 11:42:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_buf_mutex_of_ubi_device [2022-11-16 11:42:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure find_mean_wl_entry [2022-11-16 11:42:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mean_wl_entry [2022-11-16 11:42:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-16 11:42:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-16 11:42:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:42:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_move_mutex_of_ubi_device [2022-11-16 11:42:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_move_mutex_of_ubi_device [2022-11-16 11:42:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-16 11:42:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-16 11:42:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 11:42:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 11:42:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_data [2022-11-16 11:42:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_data [2022-11-16 11:42:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure prot_queue_add [2022-11-16 11:42:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure prot_queue_add [2022-11-16 11:42:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-11-16 11:42:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-11-16 11:42:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-16 11:42:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-16 11:42:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_write [2022-11-16 11:42:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_write [2022-11-16 11:42:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-16 11:42:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-16 11:42:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-16 11:42:21,191 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-16 11:42:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2022-11-16 11:42:21,191 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2022-11-16 11:42:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure new_fm_vhdr [2022-11-16 11:42:21,191 INFO L138 BoogieDeclarations]: Found implementation of procedure new_fm_vhdr [2022-11-16 11:42:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure yield [2022-11-16 11:42:21,192 INFO L138 BoogieDeclarations]: Found implementation of procedure yield [2022-11-16 11:42:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-16 11:42:21,192 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-16 11:42:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure find_wl_entry [2022-11-16 11:42:21,192 INFO L138 BoogieDeclarations]: Found implementation of procedure find_wl_entry [2022-11-16 11:42:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_io [2022-11-16 11:42:21,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_io [2022-11-16 11:42:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure __vmalloc [2022-11-16 11:42:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __vmalloc [2022-11-16 11:42:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_is_bad [2022-11-16 11:42:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_is_bad [2022-11-16 11:42:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure vol_id2idx [2022-11-16 11:42:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_id2idx [2022-11-16 11:42:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_device_mutex_of_ubi_device [2022-11-16 11:42:21,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_device_mutex_of_ubi_device [2022-11-16 11:42:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-16 11:42:21,194 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-16 11:42:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:42:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_reserved [2022-11-16 11:42:21,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_reserved [2022-11-16 11:42:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_put_fm_peb [2022-11-16 11:42:21,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_put_fm_peb [2022-11-16 11:42:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure in_wl_tree [2022-11-16 11:42:21,195 INFO L138 BoogieDeclarations]: Found implementation of procedure in_wl_tree [2022-11-16 11:42:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_ai [2022-11-16 11:42:21,195 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_ai [2022-11-16 11:42:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-11-16 11:42:21,196 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-11-16 11:42:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_move_mutex_of_ubi_device [2022-11-16 11:42:21,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_move_mutex_of_ubi_device [2022-11-16 11:42:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_get_peb [2022-11-16 11:42:21,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_get_peb [2022-11-16 11:42:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-16 11:42:21,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-16 11:42:21,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:42:21,197 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_ai [2022-11-16 11:42:21,197 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_ai [2022-11-16 11:42:21,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:42:21,197 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 11:42:21,197 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_aeb [2022-11-16 11:42:21,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_aeb [2022-11-16 11:42:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_av [2022-11-16 11:42:21,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_av [2022-11-16 11:42:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure write_leb [2022-11-16 11:42:21,198 INFO L138 BoogieDeclarations]: Found implementation of procedure write_leb [2022-11-16 11:42:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2022-11-16 11:42:21,199 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2022-11-16 11:42:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-11-16 11:42:21,199 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-11-16 11:42:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_erase [2022-11-16 11:42:21,199 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_erase [2022-11-16 11:42:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure prot_queue_del [2022-11-16 11:42:21,199 INFO L138 BoogieDeclarations]: Found implementation of procedure prot_queue_del [2022-11-16 11:42:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure validate_ec_hdr [2022-11-16 11:42:21,200 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_ec_hdr [2022-11-16 11:42:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_compat [2022-11-16 11:42:21,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_compat [2022-11-16 11:42:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_gen [2022-11-16 11:42:21,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_gen [2022-11-16 11:42:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_remove_av [2022-11-16 11:42:21,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_remove_av [2022-11-16 11:42:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-16 11:42:21,201 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-16 11:42:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_device [2022-11-16 11:42:21,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_device [2022-11-16 11:42:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure rb_first [2022-11-16 11:42:21,202 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_first [2022-11-16 11:42:21,202 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_vid_hdr [2022-11-16 11:42:21,202 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_vid_hdr [2022-11-16 11:42:21,202 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2022-11-16 11:42:21,202 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2022-11-16 11:42:21,202 INFO L130 BoogieDeclarations]: Found specification of procedure leb_write_lock [2022-11-16 11:42:21,203 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_write_lock [2022-11-16 11:42:21,203 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-16 11:42:21,203 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-16 11:42:21,203 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2022-11-16 11:42:21,203 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2022-11-16 11:42:21,203 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read [2022-11-16 11:42:21,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read [2022-11-16 11:42:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_change_vtbl_record [2022-11-16 11:42:21,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_change_vtbl_record [2022-11-16 11:42:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure uif_close [2022-11-16 11:42:21,204 INFO L138 BoogieDeclarations]: Found implementation of procedure uif_close [2022-11-16 11:42:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-16 11:42:21,204 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-16 11:42:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_atomic_leb_change [2022-11-16 11:42:21,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_atomic_leb_change [2022-11-16 11:42:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:42:21,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:42:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-16 11:42:21,210 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-16 11:42:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_ro_mode [2022-11-16 11:42:21,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_ro_mode [2022-11-16 11:42:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-16 11:42:21,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-16 11:42:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-11-16 11:42:21,211 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-11-16 11:42:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 11:42:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fm_mutex_of_ubi_device [2022-11-16 11:42:21,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fm_mutex_of_ubi_device [2022-11-16 11:42:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:42:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_buf_mutex_of_ubi_device [2022-11-16 11:42:21,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_buf_mutex_of_ubi_device [2022-11-16 11:42:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ubi_devices_mutex [2022-11-16 11:42:21,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ubi_devices_mutex [2022-11-16 11:42:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-16 11:42:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-16 11:42:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure scan_all [2022-11-16 11:42:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_all [2022-11-16 11:42:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_flash [2022-11-16 11:42:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_flash [2022-11-16 11:42:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr [2022-11-16 11:42:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr [2022-11-16 11:42:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_is_fm_block [2022-11-16 11:42:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_is_fm_block [2022-11-16 11:42:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure leb_write_unlock [2022-11-16 11:42:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_write_unlock [2022-11-16 11:42:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_device_mutex_of_ubi_device [2022-11-16 11:42:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_device_mutex_of_ubi_device [2022-11-16 11:42:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure device_register [2022-11-16 11:42:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure device_register [2022-11-16 11:42:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_sync_erase [2022-11-16 11:42:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_sync_erase [2022-11-16 11:42:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 11:42:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 11:42:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 11:42:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 11:42:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure idx2vol_id [2022-11-16 11:42:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure idx2vol_id [2022-11-16 11:42:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-11-16 11:42:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-11-16 11:42:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_peb_ec_hdr [2022-11-16 11:42:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_peb_ec_hdr [2022-11-16 11:42:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vol_info [2022-11-16 11:42:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vol_info [2022-11-16 11:42:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 11:42:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 11:42:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure get_peb_for_wl [2022-11-16 11:42:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure get_peb_for_wl [2022-11-16 11:42:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-16 11:42:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-16 11:42:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-16 11:42:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-16 11:42:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure blocking_notifier_call_chain [2022-11-16 11:42:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure blocking_notifier_call_chain [2022-11-16 11:42:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure create_vtbl [2022-11-16 11:42:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure create_vtbl [2022-11-16 11:42:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure prandom_u32 [2022-11-16 11:42:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure prandom_u32 [2022-11-16 11:42:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-16 11:42:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-16 11:42:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-11-16 11:42:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-11-16 11:42:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:42:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure do_work [2022-11-16 11:42:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure do_work [2022-11-16 11:42:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 11:42:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 11:42:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_in_wl_tree [2022-11-16 11:42:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_in_wl_tree [2022-11-16 11:42:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_open_volume [2022-11-16 11:42:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_open_volume [2022-11-16 11:42:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_check_pattern [2022-11-16 11:42:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_check_pattern [2022-11-16 11:42:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_bitflip [2022-11-16 11:42:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_bitflip [2022-11-16 11:42:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_write_leb [2022-11-16 11:42:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_write_leb [2022-11-16 11:42:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-11-16 11:42:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-11-16 11:42:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-11-16 11:42:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-11-16 11:42:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:42:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_put_device [2022-11-16 11:42:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_put_device [2022-11-16 11:42:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure assign_aeb_to_av [2022-11-16 11:42:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure assign_aeb_to_av [2022-11-16 11:42:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-16 11:42:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-16 11:42:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure clear_update_marker [2022-11-16 11:42:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_update_marker [2022-11-16 11:42:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-16 11:42:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-16 11:42:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure scan_peb [2022-11-16 11:42:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_peb [2022-11-16 11:42:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-16 11:42:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-16 11:42:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure validate_vid_hdr___0 [2022-11-16 11:42:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_vid_hdr___0 [2022-11-16 11:42:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:42:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-16 11:42:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-16 11:42:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_self_check_all_ff [2022-11-16 11:42:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_self_check_all_ff [2022-11-16 11:42:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2022-11-16 11:42:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2022-11-16 11:42:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_eccerr [2022-11-16 11:42:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_eccerr [2022-11-16 11:42:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_close_volume [2022-11-16 11:42:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_close_volume [2022-11-16 11:42:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_put_peb [2022-11-16 11:42:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_put_peb [2022-11-16 11:42:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-16 11:42:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-16 11:42:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-16 11:42:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-16 11:42:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 11:42:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 11:42:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-16 11:42:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-16 11:42:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_wear_leveling [2022-11-16 11:42:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_wear_leveling [2022-11-16 11:42:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure leb_read_unlock [2022-11-16 11:42:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_read_unlock [2022-11-16 11:42:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_next_sqnum [2022-11-16 11:42:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_next_sqnum [2022-11-16 11:42:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ubi_devices_mutex [2022-11-16 11:42:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ubi_devices_mutex [2022-11-16 11:42:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-16 11:42:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-16 11:42:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_ec_hdr [2022-11-16 11:42:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_ec_hdr [2022-11-16 11:42:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure ltree_add_entry [2022-11-16 11:42:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ltree_add_entry [2022-11-16 11:42:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure volume_sysfs_close [2022-11-16 11:42:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure volume_sysfs_close [2022-11-16 11:42:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure revoke_exclusive [2022-11-16 11:42:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure revoke_exclusive [2022-11-16 11:42:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure return_unused_pool_pebs [2022-11-16 11:42:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure return_unused_pool_pebs [2022-11-16 11:42:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-16 11:42:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-16 11:42:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vtbl_record [2022-11-16 11:42:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vtbl_record [2022-11-16 11:42:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure erase_worker [2022-11-16 11:42:21,234 INFO L138 BoogieDeclarations]: Found implementation of procedure erase_worker [2022-11-16 11:42:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_erase [2022-11-16 11:42:21,234 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_erase [2022-11-16 11:42:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_add_to_av [2022-11-16 11:42:21,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_add_to_av [2022-11-16 11:42:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2022-11-16 11:42:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2022-11-16 11:42:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2022-11-16 11:42:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2022-11-16 11:42:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 11:42:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 11:42:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-16 11:42:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-16 11:42:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:42:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-11-16 11:42:21,236 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-11-16 11:42:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_remove_volume [2022-11-16 11:42:21,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_remove_volume [2022-11-16 11:42:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:42:21,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:42:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure ltree_lookup [2022-11-16 11:42:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ltree_lookup [2022-11-16 11:42:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-11-16 11:42:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-11-16 11:42:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-16 11:42:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-16 11:42:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-16 11:42:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-16 11:42:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_flush [2022-11-16 11:42:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_flush [2022-11-16 11:42:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_list [2022-11-16 11:42:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_list [2022-11-16 11:42:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_volumes [2022-11-16 11:42:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_volumes [2022-11-16 11:42:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure kill_volumes [2022-11-16 11:42:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_volumes [2022-11-16 11:42:21,239 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_is_bgt_disabled [2022-11-16 11:42:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_is_bgt_disabled [2022-11-16 11:42:21,239 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_notify_all [2022-11-16 11:42:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_notify_all [2022-11-16 11:42:21,239 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-16 11:42:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-16 11:42:21,239 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write [2022-11-16 11:42:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write [2022-11-16 11:42:21,240 INFO L130 BoogieDeclarations]: Found specification of procedure imajor [2022-11-16 11:42:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure imajor [2022-11-16 11:42:21,240 INFO L130 BoogieDeclarations]: Found specification of procedure scan_pool [2022-11-16 11:42:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_pool [2022-11-16 11:42:21,240 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-16 11:42:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-16 11:42:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure add_aeb [2022-11-16 11:42:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure add_aeb [2022-11-16 11:42:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_read [2022-11-16 11:42:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_read [2022-11-16 11:42:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure get_exclusive [2022-11-16 11:42:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exclusive [2022-11-16 11:42:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_major2num [2022-11-16 11:42:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_major2num [2022-11-16 11:42:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_do_get_volume_info [2022-11-16 11:42:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_do_get_volume_info [2022-11-16 11:42:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fm_mutex_of_ubi_device [2022-11-16 11:42:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fm_mutex_of_ubi_device [2022-11-16 11:42:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-11-16 11:42:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-11-16 11:42:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 11:42:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 11:42:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure tree_destroy [2022-11-16 11:42:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_destroy [2022-11-16 11:42:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:42:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_ec_hdr [2022-11-16 11:42:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_ec_hdr [2022-11-16 11:42:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure find_anchor_wl_entry [2022-11-16 11:42:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure find_anchor_wl_entry [2022-11-16 11:42:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-16 11:42:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-16 11:42:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-16 11:42:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-16 11:42:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure wl_tree_add [2022-11-16 11:42:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure wl_tree_add [2022-11-16 11:42:23,400 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:42:23,406 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:49:01,800 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:49:01,849 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:49:01,849 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:49:01,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:49:01 BoogieIcfgContainer [2022-11-16 11:49:01,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:49:01,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:49:01,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:49:01,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:49:01,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:42:10" (1/3) ... [2022-11-16 11:49:01,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448f5379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:49:01, skipping insertion in model container [2022-11-16 11:49:01,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:42:18" (2/3) ... [2022-11-16 11:49:01,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448f5379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:49:01, skipping insertion in model container [2022-11-16 11:49:01,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:49:01" (3/3) ... [2022-11-16 11:49:01,876 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--mtd--ubi--ubi.ko-ldv_main4.cil.out.i [2022-11-16 11:49:01,902 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:49:01,903 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:49:02,109 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:49:02,116 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@30c0811, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:49:02,116 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:49:02,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 7701 states, 5014 states have (on average 1.3677702433187076) internal successors, (6858), 5263 states have internal predecessors, (6858), 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) [2022-11-16 11:49:02,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 11:49:02,149 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:49:02,149 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:49:02,150 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:49:02,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:49:02,156 INFO L85 PathProgramCache]: Analyzing trace with hash 786476873, now seen corresponding path program 1 times [2022-11-16 11:49:02,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:49:02,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137217437] [2022-11-16 11:49:02,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:49:02,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:49:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:03,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:49:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:49:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:49:03,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:49:03,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137217437] [2022-11-16 11:49:03,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137217437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:49:03,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:49:03,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:49:03,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387250934] [2022-11-16 11:49:03,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:49:03,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:49:03,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:49:03,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:49:03,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:49:03,729 INFO L87 Difference]: Start difference. First operand has 7701 states, 5014 states have (on average 1.3677702433187076) internal successors, (6858), 5263 states have internal predecessors, (6858), 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) [2022-11-16 11:49:08,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:49:17,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:49:25,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:49:55,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-16 11:50:00,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:50:05,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:50:10,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:51:49,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:51:58,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:51:58,552 INFO L93 Difference]: Finished difference Result 25318 states and 39940 transitions. [2022-11-16 11:51:58,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:51:58,555 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 [2022-11-16 11:51:58,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:51:58,712 INFO L225 Difference]: With dead ends: 25318 [2022-11-16 11:51:58,712 INFO L226 Difference]: Without dead ends: 17611 [2022-11-16 11:51:58,812 INFO L412 NwaCegarLoop]: 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 [2022-11-16 11:51:58,821 INFO L413 NwaCegarLoop]: 5331 mSDtfsCounter, 18089 mSDsluCounter, 4234 mSDsCounter, 0 mSdLazyCounter, 24530 mSolverCounterSat, 9032 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 160.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20753 SdHoareTripleChecker+Valid, 9565 SdHoareTripleChecker+Invalid, 33568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 9032 IncrementalHoareTripleChecker+Valid, 24530 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 171.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:51:58,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20753 Valid, 9565 Invalid, 33568 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [9032 Valid, 24530 Invalid, 6 Unknown, 0 Unchecked, 171.3s Time] [2022-11-16 11:51:58,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17611 states. [2022-11-16 11:52:00,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17611 to 15930. [2022-11-16 11:52:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15930 states, 10358 states have (on average 1.366093840509751) internal successors, (14150), 10854 states have internal predecessors, (14150), 5104 states have call successors, (5104), 450 states have call predecessors, (5104), 467 states have return successors, (5186), 4986 states have call predecessors, (5186), 5076 states have call successors, (5186) [2022-11-16 11:52:01,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15930 states to 15930 states and 24440 transitions. [2022-11-16 11:52:01,081 INFO L78 Accepts]: Start accepts. Automaton has 15930 states and 24440 transitions. Word has length 12 [2022-11-16 11:52:01,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:52:01,081 INFO L495 AbstractCegarLoop]: Abstraction has 15930 states and 24440 transitions. [2022-11-16 11:52:01,082 INFO L496 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) [2022-11-16 11:52:01,083 INFO L276 IsEmpty]: Start isEmpty. Operand 15930 states and 24440 transitions. [2022-11-16 11:52:01,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 11:52:01,083 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:52:01,084 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:52:01,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:52:01,084 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:52:01,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:01,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1393952807, now seen corresponding path program 1 times [2022-11-16 11:52:01,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:01,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452293156] [2022-11-16 11:52:01,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:01,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:52:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:02,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:02,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:02,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452293156] [2022-11-16 11:52:02,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452293156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:02,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:02,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:52:02,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903257492] [2022-11-16 11:52:02,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:02,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:52:02,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:02,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:52:02,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:52:02,145 INFO L87 Difference]: Start difference. First operand 15930 states and 24440 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) [2022-11-16 11:52:07,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:52:16,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:52:35,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:53:19,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:53:22,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:53:33,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:54:48,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:54:56,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:54:56,172 INFO L93 Difference]: Finished difference Result 33678 states and 52043 transitions. [2022-11-16 11:54:56,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:54:56,173 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 [2022-11-16 11:54:56,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:54:56,424 INFO L225 Difference]: With dead ends: 33678 [2022-11-16 11:54:56,425 INFO L226 Difference]: Without dead ends: 33674 [2022-11-16 11:54:56,449 INFO L412 NwaCegarLoop]: 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 [2022-11-16 11:54:56,450 INFO L413 NwaCegarLoop]: 5231 mSDtfsCounter, 18003 mSDsluCounter, 4157 mSDsCounter, 0 mSdLazyCounter, 24212 mSolverCounterSat, 8827 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 160.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20585 SdHoareTripleChecker+Valid, 9388 SdHoareTripleChecker+Invalid, 33045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 8827 IncrementalHoareTripleChecker+Valid, 24212 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 170.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:54:56,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20585 Valid, 9388 Invalid, 33045 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [8827 Valid, 24212 Invalid, 6 Unknown, 0 Unchecked, 170.1s Time] [2022-11-16 11:54:56,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33674 states. [2022-11-16 11:54:59,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33674 to 32958. [2022-11-16 11:54:59,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32958 states, 21522 states have (on average 1.3675308986153702) internal successors, (29432), 22530 states have internal predecessors, (29432), 10470 states have call successors, (10470), 892 states have call predecessors, (10470), 965 states have return successors, (10948), 10268 states have call predecessors, (10948), 10440 states have call successors, (10948) [2022-11-16 11:55:00,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32958 states to 32958 states and 50850 transitions. [2022-11-16 11:55:00,026 INFO L78 Accepts]: Start accepts. Automaton has 32958 states and 50850 transitions. Word has length 13 [2022-11-16 11:55:00,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:55:00,027 INFO L495 AbstractCegarLoop]: Abstraction has 32958 states and 50850 transitions. [2022-11-16 11:55:00,027 INFO L496 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) [2022-11-16 11:55:00,028 INFO L276 IsEmpty]: Start isEmpty. Operand 32958 states and 50850 transitions. [2022-11-16 11:55:00,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 11:55:00,028 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:55:00,028 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:55:00,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:55:00,029 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:55:00,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:55:00,030 INFO L85 PathProgramCache]: Analyzing trace with hash -267791284, now seen corresponding path program 1 times [2022-11-16 11:55:00,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:55:00,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853502714] [2022-11-16 11:55:00,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:55:00,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:55:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:00,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:55:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:00,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:55:00,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:55:00,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853502714] [2022-11-16 11:55:00,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853502714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:55:00,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:55:00,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:55:00,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821246113] [2022-11-16 11:55:00,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:55:00,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:55:00,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:55:00,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:55:00,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:55:00,991 INFO L87 Difference]: Start difference. First operand 32958 states and 50850 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) [2022-11-16 11:55:06,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:55:15,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:55:24,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:55:59,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-16 11:56:06,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:56:09,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []