./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/bin/uautomizer-TMbwUNV5ro --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 653bbac28ac5777df45378e95c3d4d049df50356a6a758af8df299c50637b77a --- 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-8393723 [2022-11-18 18:25:36,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:25:36,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:25:36,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:25:36,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:25:36,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:25:36,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:25:36,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:25:36,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:25:36,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:25:36,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:25:36,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:25:36,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:25:36,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:25:36,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:25:36,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:25:36,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:25:36,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:25:36,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:25:36,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:25:36,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:25:36,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:25:36,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:25:36,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:25:36,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:25:36,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:25:36,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:25:36,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:25:36,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:25:36,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:25:36,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:25:36,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:25:36,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:25:36,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:25:36,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:25:36,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:25:36,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:25:36,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:25:36,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:25:36,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:25:36,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:25:36,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 18:25:36,750 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:25:36,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:25:36,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:25:36,755 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:25:36,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:25:36,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:25:36,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:25:36,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:25:36,757 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:25:36,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:25:36,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:25:36,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:25:36,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:25:36,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:25:36,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:25:36,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:25:36,760 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:25:36,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:25:36,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:25:36,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:25:36,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:25:36,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:25:36,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:25:36,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:25:36,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:25:36,762 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:25:36,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:25:36,762 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:25:36,763 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:25:36,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:25:36,763 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_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 653bbac28ac5777df45378e95c3d4d049df50356a6a758af8df299c50637b77a [2022-11-18 18:25:37,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:25:37,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:25:37,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:25:37,070 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:25:37,071 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:25:37,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2022-11-18 18:25:37,139 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/bin/uautomizer-TMbwUNV5ro/data/1bedca4e6/8ad22542e5fc4fc8bc057c8f765b3a99/FLAG014d32c66 [2022-11-18 18:25:38,293 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:25:38,293 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2022-11-18 18:25:38,355 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/bin/uautomizer-TMbwUNV5ro/data/1bedca4e6/8ad22542e5fc4fc8bc057c8f765b3a99/FLAG014d32c66 [2022-11-18 18:25:38,528 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/bin/uautomizer-TMbwUNV5ro/data/1bedca4e6/8ad22542e5fc4fc8bc057c8f765b3a99 [2022-11-18 18:25:38,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:25:38,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:25:38,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:25:38,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:25:38,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:25:38,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:25:38" (1/1) ... [2022-11-18 18:25:38,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e705a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:38, skipping insertion in model container [2022-11-18 18:25:38,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:25:38" (1/1) ... [2022-11-18 18:25:38,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:25:38,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:25:39,444 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4269] [2022-11-18 18:25:39,445 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4270-4271] [2022-11-18 18:25:40,050 WARN L234 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_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i[125841,125854] [2022-11-18 18:25:45,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:25:45,518 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:25:45,652 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4269] [2022-11-18 18:25:45,653 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4270-4271] [2022-11-18 18:25:45,659 WARN L234 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_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i[125841,125854] [2022-11-18 18:25:46,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:25:46,894 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:25:46,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:46 WrapperNode [2022-11-18 18:25:46,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:25:46,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:25:46,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:25:46,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:25:46,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:46" (1/1) ... [2022-11-18 18:25:47,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:46" (1/1) ... [2022-11-18 18:25:47,915 INFO L138 Inliner]: procedures = 600, calls = 14474, calls flagged for inlining = 262, calls inlined = 250, statements flattened = 29455 [2022-11-18 18:25:47,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:25:47,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:25:47,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:25:47,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:25:47,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:46" (1/1) ... [2022-11-18 18:25:47,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:46" (1/1) ... [2022-11-18 18:25:48,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:46" (1/1) ... [2022-11-18 18:25:48,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:46" (1/1) ... [2022-11-18 18:25:48,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:46" (1/1) ... [2022-11-18 18:25:48,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:46" (1/1) ... [2022-11-18 18:25:49,013 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:46" (1/1) ... [2022-11-18 18:25:49,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:46" (1/1) ... [2022-11-18 18:25:49,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:25:49,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:25:49,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:25:49,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:25:49,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:46" (1/1) ... [2022-11-18 18:25:49,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:25:49,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:25:49,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:25:49,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244cd61-4ab4-4ce5-aafe-3bc321fa5aa5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:25:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure volume_sysfs_init [2022-11-18 18:25:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure volume_sysfs_init [2022-11-18 18:25:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_ec_hdr [2022-11-18 18:25:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_ec_hdr [2022-11-18 18:25:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_unmap_leb [2022-11-18 18:25:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_unmap_leb [2022-11-18 18:25:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-18 18:25:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-18 18:25:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-18 18:25:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-11-18 18:25:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-11-18 18:25:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_resize_volume [2022-11-18 18:25:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_resize_volume [2022-11-18 18:25:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_free_internal_volumes [2022-11-18 18:25:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_free_internal_volumes [2022-11-18 18:25:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure __schedule_ubi_work [2022-11-18 18:25:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __schedule_ubi_work [2022-11-18 18:25:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_volume_notify [2022-11-18 18:25:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_volume_notify [2022-11-18 18:25:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-18 18:25:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-18 18:25:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 18:25:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 18:25:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_detach_mtd_dev [2022-11-18 18:25:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_detach_mtd_dev [2022-11-18 18:25:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure put_mtd_device [2022-11-18 18:25:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure put_mtd_device [2022-11-18 18:25:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure erase_block [2022-11-18 18:25:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure erase_block [2022-11-18 18:25:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_pending [2022-11-18 18:25:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_pending [2022-11-18 18:25:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-18 18:25:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-18 18:25:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-18 18:25:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-18 18:25:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure class_remove_file [2022-11-18 18:25:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure class_remove_file [2022-11-18 18:25:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2022-11-18 18:25:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2022-11-18 18:25:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_read_leb [2022-11-18 18:25:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_read_leb [2022-11-18 18:25:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_do_get_device_info [2022-11-18 18:25:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_do_get_device_info [2022-11-18 18:25:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_cdev_ioctl [2022-11-18 18:25:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_cdev_ioctl [2022-11-18 18:25:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_sysfs_close [2022-11-18 18:25:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_sysfs_close [2022-11-18 18:25:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure vtbl_check [2022-11-18 18:25:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure vtbl_check [2022-11-18 18:25:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_remove [2022-11-18 18:25:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_remove [2022-11-18 18:25:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_vid_hdr [2022-11-18 18:25:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_vid_hdr [2022-11-18 18:25:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_cdev_ioctl [2022-11-18 18:25:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_cdev_ioctl [2022-11-18 18:25:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_cleanup [2022-11-18 18:25:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_cleanup [2022-11-18 18:25:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-18 18:25:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-18 18:25:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_compare_lebs [2022-11-18 18:25:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_compare_lebs [2022-11-18 18:25:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_get_fm_peb [2022-11-18 18:25:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_get_fm_peb [2022-11-18 18:25:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 18:25:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 18:25:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2022-11-18 18:25:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2022-11-18 18:25:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_ioctl [2022-11-18 18:25:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_ioctl [2022-11-18 18:25:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_fastmap [2022-11-18 18:25:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_fastmap [2022-11-18 18:25:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure is_error_sane [2022-11-18 18:25:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure is_error_sane [2022-11-18 18:25:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_vid_hdr [2022-11-18 18:25:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_vid_hdr [2022-11-18 18:25:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vid_hdr [2022-11-18 18:25:49,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vid_hdr [2022-11-18 18:25:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure rb_next [2022-11-18 18:25:49,295 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_next [2022-11-18 18:25:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_check_volume [2022-11-18 18:25:49,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_check_volume [2022-11-18 18:25:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-18 18:25:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_calc_data_len [2022-11-18 18:25:49,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_calc_data_len [2022-11-18 18:25:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_data [2022-11-18 18:25:49,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_data [2022-11-18 18:25:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure dfs_file_write [2022-11-18 18:25:49,297 INFO L138 BoogieDeclarations]: Found implementation of procedure dfs_file_write [2022-11-18 18:25:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_close [2022-11-18 18:25:49,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_close [2022-11-18 18:25:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_free_vid_hdr [2022-11-18 18:25:49,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_free_vid_hdr [2022-11-18 18:25:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:25:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-18 18:25:49,298 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-18 18:25:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2022-11-18 18:25:49,298 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2022-11-18 18:25:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_7 [2022-11-18 18:25:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_7 [2022-11-18 18:25:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_find_av [2022-11-18 18:25:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_find_av [2022-11-18 18:25:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-18 18:25:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-18 18:25:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-18 18:25:49,300 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-18 18:25:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 18:25:49,300 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 18:25:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_ubi_work [2022-11-18 18:25:49,300 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_ubi_work [2022-11-18 18:25:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_erase___0 [2022-11-18 18:25:49,301 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_erase___0 [2022-11-18 18:25:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 18:25:49,301 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 18:25:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure dev_attribute_show [2022-11-18 18:25:49,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_attribute_show [2022-11-18 18:25:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-18 18:25:49,302 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-18 18:25:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_ec_hdr [2022-11-18 18:25:49,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_ec_hdr [2022-11-18 18:25:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 18:25:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_not_bad [2022-11-18 18:25:49,303 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_not_bad [2022-11-18 18:25:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-18 18:25:49,303 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-18 18:25:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_div_by_eb [2022-11-18 18:25:49,303 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_div_by_eb [2022-11-18 18:25:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev_nolock [2022-11-18 18:25:49,304 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev_nolock [2022-11-18 18:25:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-18 18:25:49,304 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-18 18:25:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 18:25:49,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 18:25:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_calculate_reserved [2022-11-18 18:25:49,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_calculate_reserved [2022-11-18 18:25:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_debugfs_exit_dev [2022-11-18 18:25:49,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_debugfs_exit_dev [2022-11-18 18:25:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 18:25:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure validate_vid_hdr [2022-11-18 18:25:49,306 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_vid_hdr [2022-11-18 18:25:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure find_mean_wl_entry [2022-11-18 18:25:49,306 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mean_wl_entry [2022-11-18 18:25:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:25:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-18 18:25:49,307 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-18 18:25:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 18:25:49,307 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 18:25:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_data [2022-11-18 18:25:49,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_data [2022-11-18 18:25:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure prot_queue_add [2022-11-18 18:25:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure prot_queue_add [2022-11-18 18:25:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 18:25:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 18:25:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_open_volume_nm [2022-11-18 18:25:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_open_volume_nm [2022-11-18 18:25:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-11-18 18:25:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-11-18 18:25:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-18 18:25:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-18 18:25:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_write [2022-11-18 18:25:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_write [2022-11-18 18:25:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-18 18:25:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-18 18:25:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-18 18:25:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-18 18:25:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-18 18:25:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-18 18:25:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2022-11-18 18:25:49,311 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2022-11-18 18:25:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure new_fm_vhdr [2022-11-18 18:25:49,311 INFO L138 BoogieDeclarations]: Found implementation of procedure new_fm_vhdr [2022-11-18 18:25:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure yield [2022-11-18 18:25:49,311 INFO L138 BoogieDeclarations]: Found implementation of procedure yield [2022-11-18 18:25:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-18 18:25:49,312 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-18 18:25:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure find_wl_entry [2022-11-18 18:25:49,312 INFO L138 BoogieDeclarations]: Found implementation of procedure find_wl_entry [2022-11-18 18:25:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2022-11-18 18:25:49,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2022-11-18 18:25:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_io [2022-11-18 18:25:49,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_io [2022-11-18 18:25:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_cur_bytes [2022-11-18 18:25:49,313 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_cur_bytes [2022-11-18 18:25:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure __vmalloc [2022-11-18 18:25:49,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __vmalloc [2022-11-18 18:25:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_is_bad [2022-11-18 18:25:49,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_is_bad [2022-11-18 18:25:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure vol_id2idx [2022-11-18 18:25:49,314 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_id2idx [2022-11-18 18:25:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_attach_mtd_dev [2022-11-18 18:25:49,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_attach_mtd_dev [2022-11-18 18:25:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-18 18:25:49,315 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-18 18:25:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 18:25:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_reserved [2022-11-18 18:25:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_reserved [2022-11-18 18:25:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_put_fm_peb [2022-11-18 18:25:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_put_fm_peb [2022-11-18 18:25:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure in_wl_tree [2022-11-18 18:25:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure in_wl_tree [2022-11-18 18:25:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_ai [2022-11-18 18:25:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_ai [2022-11-18 18:25:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-11-18 18:25:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-11-18 18:25:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_get_peb [2022-11-18 18:25:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_get_peb [2022-11-18 18:25:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-18 18:25:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-18 18:25:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:25:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_ai [2022-11-18 18:25:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_ai [2022-11-18 18:25:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 18:25:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-11-18 18:25:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-11-18 18:25:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 18:25:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_aeb [2022-11-18 18:25:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_aeb [2022-11-18 18:25:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_av [2022-11-18 18:25:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_av [2022-11-18 18:25:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-18 18:25:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-18 18:25:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-18 18:25:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-18 18:25:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure write_leb [2022-11-18 18:25:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure write_leb [2022-11-18 18:25:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2022-11-18 18:25:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2022-11-18 18:25:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-11-18 18:25:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-11-18 18:25:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_erase [2022-11-18 18:25:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_erase [2022-11-18 18:25:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure prot_queue_del [2022-11-18 18:25:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure prot_queue_del [2022-11-18 18:25:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure validate_ec_hdr [2022-11-18 18:25:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_ec_hdr [2022-11-18 18:25:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_compat [2022-11-18 18:25:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_compat [2022-11-18 18:25:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_gen [2022-11-18 18:25:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_gen [2022-11-18 18:25:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_remove_av [2022-11-18 18:25:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_remove_av [2022-11-18 18:25:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-18 18:25:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-18 18:25:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_device [2022-11-18 18:25:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_device [2022-11-18 18:25:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure rb_first [2022-11-18 18:25:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_first [2022-11-18 18:25:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_vid_hdr [2022-11-18 18:25:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_vid_hdr [2022-11-18 18:25:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2022-11-18 18:25:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2022-11-18 18:25:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure leb_write_lock [2022-11-18 18:25:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_write_lock [2022-11-18 18:25:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path [2022-11-18 18:25:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path [2022-11-18 18:25:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-18 18:25:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-18 18:25:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2022-11-18 18:25:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2022-11-18 18:25:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read [2022-11-18 18:25:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read [2022-11-18 18:25:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-18 18:25:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-18 18:25:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_change_vtbl_record [2022-11-18 18:25:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_change_vtbl_record [2022-11-18 18:25:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 18:25:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 18:25:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_write [2022-11-18 18:25:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_write [2022-11-18 18:25:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure uif_close [2022-11-18 18:25:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure uif_close [2022-11-18 18:25:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-18 18:25:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-18 18:25:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_remove_all [2022-11-18 18:25:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_remove_all [2022-11-18 18:25:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_atomic_leb_change [2022-11-18 18:25:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_atomic_leb_change [2022-11-18 18:25:49,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:25:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:25:49,330 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 18:25:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 18:25:49,330 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_ro_mode [2022-11-18 18:25:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_ro_mode [2022-11-18 18:25:49,331 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-18 18:25:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-18 18:25:49,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-18 18:25:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-18 18:25:49,331 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-11-18 18:25:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-11-18 18:25:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 18:25:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 18:25:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 18:25:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 18:25:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-18 18:25:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-18 18:25:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure scan_all [2022-11-18 18:25:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_all [2022-11-18 18:25:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-18 18:25:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-18 18:25:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_flash [2022-11-18 18:25:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_flash [2022-11-18 18:25:49,334 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_is_fm_block [2022-11-18 18:25:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_is_fm_block [2022-11-18 18:25:49,334 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2022-11-18 18:25:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_fetch_request [2022-11-18 18:25:49,334 INFO L130 BoogieDeclarations]: Found specification of procedure leb_write_unlock [2022-11-18 18:25:49,335 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_write_unlock [2022-11-18 18:25:49,335 INFO L130 BoogieDeclarations]: Found specification of procedure device_register [2022-11-18 18:25:49,335 INFO L138 BoogieDeclarations]: Found implementation of procedure device_register [2022-11-18 18:25:49,335 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_sync_erase [2022-11-18 18:25:49,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_sync_erase [2022-11-18 18:25:49,335 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 18:25:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 18:25:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 18:25:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 18:25:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure idx2vol_id [2022-11-18 18:25:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure idx2vol_id [2022-11-18 18:25:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2022-11-18 18:25:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2022-11-18 18:25:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-11-18 18:25:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-11-18 18:25:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-11-18 18:25:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-11-18 18:25:49,337 INFO L130 BoogieDeclarations]: Found specification of procedure vol_attribute_show [2022-11-18 18:25:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_attribute_show [2022-11-18 18:25:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_peb_ec_hdr [2022-11-18 18:25:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_peb_ec_hdr [2022-11-18 18:25:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vol_info [2022-11-18 18:25:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vol_info [2022-11-18 18:25:49,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 18:25:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 18:25:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure get_peb_for_wl [2022-11-18 18:25:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure get_peb_for_wl [2022-11-18 18:25:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 18:25:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 18:25:49,339 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2022-11-18 18:25:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2022-11-18 18:25:49,340 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-18 18:25:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-18 18:25:49,340 INFO L130 BoogieDeclarations]: Found specification of procedure blocking_notifier_call_chain [2022-11-18 18:25:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure blocking_notifier_call_chain [2022-11-18 18:25:49,340 INFO L130 BoogieDeclarations]: Found specification of procedure create_vtbl [2022-11-18 18:25:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure create_vtbl [2022-11-18 18:25:49,341 INFO L130 BoogieDeclarations]: Found specification of procedure prandom_u32 [2022-11-18 18:25:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure prandom_u32 [2022-11-18 18:25:49,341 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-18 18:25:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-18 18:25:49,341 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-11-18 18:25:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-11-18 18:25:49,342 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2022-11-18 18:25:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2022-11-18 18:25:49,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:25:49,342 INFO L130 BoogieDeclarations]: Found specification of procedure do_work [2022-11-18 18:25:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure do_work [2022-11-18 18:25:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 18:25:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 18:25:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_in_wl_tree [2022-11-18 18:25:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_in_wl_tree [2022-11-18 18:25:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_open_volume [2022-11-18 18:25:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_open_volume [2022-11-18 18:25:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_check_pattern [2022-11-18 18:25:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_check_pattern [2022-11-18 18:25:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_bitflip [2022-11-18 18:25:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_bitflip [2022-11-18 18:25:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_write_leb [2022-11-18 18:25:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_write_leb [2022-11-18 18:25:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-11-18 18:25:49,345 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-11-18 18:25:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-11-18 18:25:49,345 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-11-18 18:25:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 18:25:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_fsync [2022-11-18 18:25:49,346 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_fsync [2022-11-18 18:25:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure get_mtd_device [2022-11-18 18:25:49,346 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mtd_device [2022-11-18 18:25:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_put_device [2022-11-18 18:25:49,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_put_device [2022-11-18 18:25:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure assign_aeb_to_av [2022-11-18 18:25:49,347 INFO L138 BoogieDeclarations]: Found implementation of procedure assign_aeb_to_av [2022-11-18 18:25:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-18 18:25:49,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-18 18:25:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure clear_update_marker [2022-11-18 18:25:49,347 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_update_marker [2022-11-18 18:25:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-18 18:25:49,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-18 18:25:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-18 18:25:49,348 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-18 18:25:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure scan_peb [2022-11-18 18:25:49,348 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_peb [2022-11-18 18:25:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-18 18:25:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-18 18:25:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure validate_vid_hdr___0 [2022-11-18 18:25:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_vid_hdr___0 [2022-11-18 18:25:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr___3 [2022-11-18 18:25:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr___3 [2022-11-18 18:25:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_create [2022-11-18 18:25:49,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_create [2022-11-18 18:25:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 18:25:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr___0 [2022-11-18 18:25:49,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr___0 [2022-11-18 18:25:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-18 18:25:49,351 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-18 18:25:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr___4 [2022-11-18 18:25:49,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr___4 [2022-11-18 18:25:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_self_check_all_ff [2022-11-18 18:25:49,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_self_check_all_ff [2022-11-18 18:25:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2022-11-18 18:25:49,352 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2022-11-18 18:25:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_eccerr [2022-11-18 18:25:49,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_eccerr [2022-11-18 18:25:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_close_volume [2022-11-18 18:25:49,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_close_volume [2022-11-18 18:25:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_put_peb [2022-11-18 18:25:49,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_put_peb [2022-11-18 18:25:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-18 18:25:49,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-18 18:25:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-18 18:25:49,353 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-18 18:25:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 18:25:49,354 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 18:25:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2022-11-18 18:25:49,354 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2022-11-18 18:25:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-18 18:25:49,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-18 18:25:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 18:25:49,355 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 18:25:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_wear_leveling [2022-11-18 18:25:49,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_wear_leveling [2022-11-18 18:25:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure leb_read_unlock [2022-11-18 18:25:49,355 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_read_unlock [2022-11-18 18:25:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-18 18:25:49,356 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-18 18:25:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_next_sqnum [2022-11-18 18:25:49,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_next_sqnum [2022-11-18 18:25:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_ec_hdr [2022-11-18 18:25:49,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_ec_hdr [2022-11-18 18:25:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure bio_has_data [2022-11-18 18:25:49,356 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_has_data [2022-11-18 18:25:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure ltree_add_entry [2022-11-18 18:25:49,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ltree_add_entry [2022-11-18 18:25:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure volume_sysfs_close [2022-11-18 18:25:49,357 INFO L138 BoogieDeclarations]: Found implementation of procedure volume_sysfs_close [2022-11-18 18:25:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure revoke_exclusive [2022-11-18 18:25:49,357 INFO L138 BoogieDeclarations]: Found implementation of procedure revoke_exclusive [2022-11-18 18:25:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 18:25:49,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 18:25:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure return_unused_pool_pebs [2022-11-18 18:25:49,358 INFO L138 BoogieDeclarations]: Found implementation of procedure return_unused_pool_pebs [2022-11-18 18:25:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-18 18:25:49,358 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-18 18:25:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-18 18:25:49,359 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-18 18:25:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vtbl_record [2022-11-18 18:25:49,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vtbl_record [2022-11-18 18:25:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-18 18:25:49,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-18 18:25:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure erase_worker [2022-11-18 18:25:49,360 INFO L138 BoogieDeclarations]: Found implementation of procedure erase_worker [2022-11-18 18:25:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_erase [2022-11-18 18:25:49,360 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_erase [2022-11-18 18:25:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_add_to_av [2022-11-18 18:25:49,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_add_to_av [2022-11-18 18:25:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2022-11-18 18:25:49,361 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2022-11-18 18:25:49,361 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2022-11-18 18:25:49,361 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2022-11-18 18:25:49,361 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 18:25:49,361 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 18:25:49,361 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-18 18:25:49,362 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-18 18:25:49,362 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-11-18 18:25:49,362 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-11-18 18:25:49,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:25:49,362 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-11-18 18:25:49,362 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-11-18 18:25:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_remove_volume [2022-11-18 18:25:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_remove_volume [2022-11-18 18:25:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-18 18:25:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-18 18:25:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 18:25:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 18:25:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure ltree_lookup [2022-11-18 18:25:49,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ltree_lookup [2022-11-18 18:25:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_getgeo [2022-11-18 18:25:49,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_getgeo [2022-11-18 18:25:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-11-18 18:25:49,364 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-11-18 18:25:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-18 18:25:49,365 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-18 18:25:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-18 18:25:49,365 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-18 18:25:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_flush [2022-11-18 18:25:49,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_flush [2022-11-18 18:25:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_list [2022-11-18 18:25:49,366 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_list [2022-11-18 18:25:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_volumes [2022-11-18 18:25:49,366 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_volumes [2022-11-18 18:25:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure kill_volumes [2022-11-18 18:25:49,366 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_volumes [2022-11-18 18:25:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_is_bgt_disabled [2022-11-18 18:25:49,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_is_bgt_disabled [2022-11-18 18:25:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_notify_all [2022-11-18 18:25:49,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_notify_all [2022-11-18 18:25:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-18 18:25:49,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-18 18:25:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write [2022-11-18 18:25:49,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write [2022-11-18 18:25:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure imajor [2022-11-18 18:25:49,368 INFO L138 BoogieDeclarations]: Found implementation of procedure imajor [2022-11-18 18:25:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure scan_pool [2022-11-18 18:25:49,368 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_pool [2022-11-18 18:25:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-18 18:25:49,369 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-18 18:25:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure add_aeb [2022-11-18 18:25:49,369 INFO L138 BoogieDeclarations]: Found implementation of procedure add_aeb [2022-11-18 18:25:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_read [2022-11-18 18:25:49,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_read [2022-11-18 18:25:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_debugfs_exit [2022-11-18 18:25:49,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_debugfs_exit [2022-11-18 18:25:49,370 INFO L130 BoogieDeclarations]: Found specification of procedure get_exclusive [2022-11-18 18:25:49,370 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exclusive [2022-11-18 18:25:49,370 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_major2num [2022-11-18 18:25:49,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_major2num [2022-11-18 18:25:49,370 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_do_get_volume_info [2022-11-18 18:25:49,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_do_get_volume_info [2022-11-18 18:25:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-11-18 18:25:49,371 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-11-18 18:25:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-18 18:25:49,371 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-18 18:25:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 18:25:49,371 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 18:25:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2022-11-18 18:25:49,372 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2022-11-18 18:25:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_volume_info [2022-11-18 18:25:49,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_volume_info [2022-11-18 18:25:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure tree_destroy [2022-11-18 18:25:49,372 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_destroy [2022-11-18 18:25:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:25:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_ec_hdr [2022-11-18 18:25:49,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_ec_hdr [2022-11-18 18:25:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure find_anchor_wl_entry [2022-11-18 18:25:49,373 INFO L138 BoogieDeclarations]: Found implementation of procedure find_anchor_wl_entry [2022-11-18 18:25:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-18 18:25:49,373 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-18 18:25:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-18 18:25:49,374 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-18 18:25:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_notify [2022-11-18 18:25:49,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_notify [2022-11-18 18:25:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure wl_tree_add [2022-11-18 18:25:49,374 INFO L138 BoogieDeclarations]: Found implementation of procedure wl_tree_add [2022-11-18 18:25:52,119 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:25:52,124 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:25:52,358 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 18:31:35,518 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:31:35,562 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:31:35,563 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 18:31:35,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:31:35 BoogieIcfgContainer [2022-11-18 18:31:35,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:31:35,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:31:35,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:31:35,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:31:35,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:25:38" (1/3) ... [2022-11-18 18:31:35,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d39aeb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:31:35, skipping insertion in model container [2022-11-18 18:31:35,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:46" (2/3) ... [2022-11-18 18:31:35,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d39aeb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:31:35, skipping insertion in model container [2022-11-18 18:31:35,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:31:35" (3/3) ... [2022-11-18 18:31:35,585 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2022-11-18 18:31:35,605 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:31:35,605 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 18:31:35,831 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:31:35,837 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;@56e10d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:31:35,837 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 18:31:35,863 INFO L276 IsEmpty]: Start isEmpty. Operand has 8864 states, 5833 states have (on average 1.3725355734613407) internal successors, (8006), 6108 states have internal predecessors, (8006), 2765 states have call successors, (2765), 265 states have call predecessors, (2765), 264 states have return successors, (2735), 2680 states have call predecessors, (2735), 2735 states have call successors, (2735) [2022-11-18 18:31:35,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-11-18 18:31:35,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:31:35,911 INFO L195 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:31:35,912 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:31:35,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:35,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1593535765, now seen corresponding path program 1 times [2022-11-18 18:31:35,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:31:35,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927905474] [2022-11-18 18:31:35,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:35,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:31:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:31:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 18:31:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:31:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:31:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 18:31:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 18:31:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 18:31:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:31:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 18:31:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 18:31:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 18:31:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-18 18:31:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:31:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 18:31:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 18:31:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 18:31:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 18:31:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 18:31:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 18:31:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:31:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 18:31:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 18:31:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-18 18:31:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-18 18:31:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 18:31:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 18:31:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 18:31:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-18 18:31:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 18:31:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-18 18:31:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 18:31:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 18:31:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 18:31:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-18 18:31:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-18 18:31:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 18:31:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-18 18:31:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 18:31:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-18 18:31:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-18 18:31:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-18 18:31:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-18 18:31:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-18 18:31:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2022-11-18 18:31:38,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:31:38,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927905474] [2022-11-18 18:31:38,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927905474] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:31:38,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:31:38,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:31:38,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002561133] [2022-11-18 18:31:38,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:31:38,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:31:38,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:31:38,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:31:38,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:31:38,774 INFO L87 Difference]: Start difference. First operand has 8864 states, 5833 states have (on average 1.3725355734613407) internal successors, (8006), 6108 states have internal predecessors, (8006), 2765 states have call successors, (2765), 265 states have call predecessors, (2765), 264 states have return successors, (2735), 2680 states have call predecessors, (2735), 2735 states have call successors, (2735) Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-18 18:31:41,075 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 [] [2022-11-18 18:31:49,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:31:50,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:31:51,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:31:59,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:32:03,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:32:16,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:32:20,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:32:28,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:32:33,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:32:38,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:32:47,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:33:25,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:33:27,842 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 [] [2022-11-18 18:33:31,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:33:31,025 INFO L93 Difference]: Finished difference Result 26032 states and 41202 transitions. [2022-11-18 18:33:31,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:33:31,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 284 [2022-11-18 18:33:31,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:33:31,276 INFO L225 Difference]: With dead ends: 26032 [2022-11-18 18:33:31,276 INFO L226 Difference]: Without dead ends: 17080 [2022-11-18 18:33:31,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:33:31,387 INFO L413 NwaCegarLoop]: 16827 mSDtfsCounter, 12249 mSDsluCounter, 17071 mSDsCounter, 0 mSdLazyCounter, 12865 mSolverCounterSat, 5033 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 102.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14263 SdHoareTripleChecker+Valid, 33898 SdHoareTripleChecker+Invalid, 17908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5033 IncrementalHoareTripleChecker+Valid, 12865 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 110.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:33:31,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14263 Valid, 33898 Invalid, 17908 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5033 Valid, 12865 Invalid, 10 Unknown, 0 Unchecked, 110.2s Time] [2022-11-18 18:33:31,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17080 states. [2022-11-18 18:33:32,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17080 to 16351. [2022-11-18 18:33:32,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16351 states, 10793 states have (on average 1.368108959510794) internal successors, (14766), 11255 states have internal predecessors, (14766), 5052 states have call successors, (5052), 504 states have call predecessors, (5052), 505 states have return successors, (5081), 4941 states have call predecessors, (5081), 5050 states have call successors, (5081) [2022-11-18 18:33:32,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16351 states to 16351 states and 24899 transitions. [2022-11-18 18:33:32,979 INFO L78 Accepts]: Start accepts. Automaton has 16351 states and 24899 transitions. Word has length 284 [2022-11-18 18:33:32,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:33:32,985 INFO L495 AbstractCegarLoop]: Abstraction has 16351 states and 24899 transitions. [2022-11-18 18:33:32,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-18 18:33:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 16351 states and 24899 transitions. [2022-11-18 18:33:33,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-11-18 18:33:33,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:33:33,006 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:33:33,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:33:33,009 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:33:33,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:33:33,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1765897039, now seen corresponding path program 1 times [2022-11-18 18:33:33,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:33:33,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307079126] [2022-11-18 18:33:33,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:33:33,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:33:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:33:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 18:33:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:33:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:33:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 18:33:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 18:33:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 18:33:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:33:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 18:33:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 18:33:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 18:33:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-18 18:33:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:33:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 18:33:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 18:33:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 18:33:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 18:33:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 18:33:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 18:33:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:33:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 18:33:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 18:33:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-18 18:33:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-18 18:33:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 18:33:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 18:33:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:34,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 18:33:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-18 18:33:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 18:33:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-18 18:33:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 18:33:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 18:33:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 18:33:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-18 18:33:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-18 18:33:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 18:33:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-18 18:33:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 18:33:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-18 18:33:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 18:33:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-18 18:33:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-18 18:33:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 18:33:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-11-18 18:33:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-18 18:33:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:33:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:33:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:33:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:33:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:35,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3124 trivial. 0 not checked. [2022-11-18 18:33:35,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:33:35,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307079126] [2022-11-18 18:33:35,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307079126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:33:35,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:33:35,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 18:33:35,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642568753] [2022-11-18 18:33:35,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:33:35,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 18:33:35,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:33:35,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 18:33:35,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:33:35,453 INFO L87 Difference]: Start difference. First operand 16351 states and 24899 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-18 18:33:37,702 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 [] [2022-11-18 18:33:39,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:33:56,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:34:14,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:34:16,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:34:47,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:34:50,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:34:59,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:02,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:05,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:07,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:31,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:33,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:35,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:43,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:46,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:50,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:52,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:02,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:04,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:07,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:09,083 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 [] [2022-11-18 18:38:25,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:38:25,437 INFO L93 Difference]: Finished difference Result 56730 states and 88660 transitions. [2022-11-18 18:38:25,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 18:38:25,438 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 324 [2022-11-18 18:38:25,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:38:25,891 INFO L225 Difference]: With dead ends: 56730 [2022-11-18 18:38:25,891 INFO L226 Difference]: Without dead ends: 40458 [2022-11-18 18:38:25,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-11-18 18:38:25,981 INFO L413 NwaCegarLoop]: 12624 mSDtfsCounter, 26786 mSDsluCounter, 24053 mSDsCounter, 0 mSdLazyCounter, 39362 mSolverCounterSat, 23217 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 269.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30010 SdHoareTripleChecker+Valid, 36677 SdHoareTripleChecker+Invalid, 62599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.7s SdHoareTripleChecker+Time, 23217 IncrementalHoareTripleChecker+Valid, 39362 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 285.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:38:25,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30010 Valid, 36677 Invalid, 62599 Unknown, 0 Unchecked, 0.7s Time], IncrementalHoareTripleChecker [23217 Valid, 39362 Invalid, 20 Unknown, 0 Unchecked, 285.4s Time] [2022-11-18 18:38:26,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40458 states. [2022-11-18 18:38:29,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40458 to 32533. [2022-11-18 18:38:29,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32533 states, 21486 states have (on average 1.3687982872568183) internal successors, (29410), 22419 states have internal predecessors, (29410), 10030 states have call successors, (10030), 1003 states have call predecessors, (10030), 1016 states have return successors, (10110), 9810 states have call predecessors, (10110), 10028 states have call successors, (10110) [2022-11-18 18:38:29,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32533 states to 32533 states and 49550 transitions. [2022-11-18 18:38:29,555 INFO L78 Accepts]: Start accepts. Automaton has 32533 states and 49550 transitions. Word has length 324 [2022-11-18 18:38:29,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:38:29,556 INFO L495 AbstractCegarLoop]: Abstraction has 32533 states and 49550 transitions. [2022-11-18 18:38:29,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-18 18:38:29,557 INFO L276 IsEmpty]: Start isEmpty. Operand 32533 states and 49550 transitions. [2022-11-18 18:38:29,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-11-18 18:38:29,573 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:38:29,573 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:38:29,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:38:29,574 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:38:29,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:38:29,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1605596075, now seen corresponding path program 1 times [2022-11-18 18:38:29,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:38:29,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505441617] [2022-11-18 18:38:29,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:38:29,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:38:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:38:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 18:38:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:38:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:38:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 18:38:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 18:38:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 18:38:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:38:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 18:38:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 18:38:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 18:38:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-18 18:38:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:38:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 18:38:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 18:38:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 18:38:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 18:38:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 18:38:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 18:38:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 18:38:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 18:38:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 18:38:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-18 18:38:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-18 18:38:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:30,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 18:38:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 18:38:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 18:38:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-18 18:38:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 18:38:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-18 18:38:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 18:38:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 18:38:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 18:38:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-18 18:38:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-18 18:38:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 18:38:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-18 18:38:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-18 18:38:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-18 18:38:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-18 18:38:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-18 18:38:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-18 18:38:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-18 18:38:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:38:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-18 18:38:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:38:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2022-11-18 18:38:31,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:38:31,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505441617] [2022-11-18 18:38:31,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505441617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:38:31,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:38:31,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:38:31,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597567357] [2022-11-18 18:38:31,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:38:31,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:38:31,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:38:31,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:38:31,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:38:31,274 INFO L87 Difference]: Start difference. First operand 32533 states and 49550 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-18 18:38:33,530 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 [] [2022-11-18 18:38:35,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:43,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:50,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:39:00,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:39:06,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:39:13,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:39:26,839 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 []