./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f525a8e-507b-430c-b34d-2cd569286836/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f525a8e-507b-430c-b34d-2cd569286836/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f525a8e-507b-430c-b34d-2cd569286836/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f525a8e-507b-430c-b34d-2cd569286836/bin/uautomizer-DrprNOufMa/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_9f525a8e-507b-430c-b34d-2cd569286836/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f525a8e-507b-430c-b34d-2cd569286836/bin/uautomizer-DrprNOufMa --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:05:54,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:05:54,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:05:54,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:05:54,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:05:54,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:05:54,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:05:54,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:05:54,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:05:54,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:05:54,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:05:54,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:05:54,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:05:54,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:05:54,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:05:54,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:05:54,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:05:54,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:05:54,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:05:54,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:05:54,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:05:54,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:05:54,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:05:54,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:05:54,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:05:54,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:05:54,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:05:54,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:05:54,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:05:54,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:05:54,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:05:54,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:05:54,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:05:54,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:05:54,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:05:54,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:05:54,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:05:54,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:05:54,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:05:54,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:05:54,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:05:54,574 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f525a8e-507b-430c-b34d-2cd569286836/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 22:05:54,601 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:05:54,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:05:54,602 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:05:54,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:05:54,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:05:54,603 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:05:54,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:05:54,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:05:54,604 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:05:54,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:05:54,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:05:54,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:05:54,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:05:54,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:05:54,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:05:54,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:05:54,606 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:05:54,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:05:54,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:05:54,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:05:54,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:05:54,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:05:54,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:05:54,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:05:54,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:05:54,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:05:54,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:05:54,608 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:05:54,608 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:05:54,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:05:54,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:05:54,609 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_9f525a8e-507b-430c-b34d-2cd569286836/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f525a8e-507b-430c-b34d-2cd569286836/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 653bbac28ac5777df45378e95c3d4d049df50356a6a758af8df299c50637b77a [2021-12-06 22:05:54,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:05:54,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:05:54,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:05:54,796 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:05:54,796 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:05:54,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f525a8e-507b-430c-b34d-2cd569286836/bin/uautomizer-DrprNOufMa/../../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 [2021-12-06 22:05:54,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f525a8e-507b-430c-b34d-2cd569286836/bin/uautomizer-DrprNOufMa/data/b136a73af/e11a38d359b34300a8da0f2639310d69/FLAG129b371f4 [2021-12-06 22:05:55,620 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:05:55,621 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f525a8e-507b-430c-b34d-2cd569286836/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 [2021-12-06 22:05:55,675 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f525a8e-507b-430c-b34d-2cd569286836/bin/uautomizer-DrprNOufMa/data/b136a73af/e11a38d359b34300a8da0f2639310d69/FLAG129b371f4 [2021-12-06 22:05:55,867 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f525a8e-507b-430c-b34d-2cd569286836/bin/uautomizer-DrprNOufMa/data/b136a73af/e11a38d359b34300a8da0f2639310d69 [2021-12-06 22:05:55,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:05:55,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:05:55,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:05:55,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:05:55,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:05:55,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:05:55" (1/1) ... [2021-12-06 22:05:55,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671ef2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:05:55, skipping insertion in model container [2021-12-06 22:05:55,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:05:55" (1/1) ... [2021-12-06 22:05:55,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:05:56,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:05:56,470 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4269] [2021-12-06 22:05:56,471 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4270-4271] [2021-12-06 22:05:56,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f525a8e-507b-430c-b34d-2cd569286836/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] [2021-12-06 22:06:01,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:06:01,669 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:06:01,751 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4269] [2021-12-06 22:06:01,752 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4270-4271] [2021-12-06 22:06:01,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f525a8e-507b-430c-b34d-2cd569286836/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] [2021-12-06 22:06:02,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:06:02,715 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:06:02,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:06:02 WrapperNode [2021-12-06 22:06:02,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:06:02,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:06:02,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:06:02,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:06:02,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:06:02" (1/1) ... [2021-12-06 22:06:02,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:06:02" (1/1) ... [2021-12-06 22:06:03,356 INFO L137 Inliner]: procedures = 600, calls = 14234, calls flagged for inlining = 262, calls inlined = 250, statements flattened = 29242 [2021-12-06 22:06:03,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:06:03,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:06:03,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:06:03,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:06:03,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:06:02" (1/1) ... [2021-12-06 22:06:03,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:06:02" (1/1) ... [2021-12-06 22:06:03,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:06:02" (1/1) ... [2021-12-06 22:06:03,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:06:02" (1/1) ... [2021-12-06 22:06:03,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:06:02" (1/1) ... [2021-12-06 22:06:03,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:06:02" (1/1) ... [2021-12-06 22:06:04,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:06:02" (1/1) ... [2021-12-06 22:06:04,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:06:04,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:06:04,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:06:04,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:06:04,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:06:02" (1/1) ... [2021-12-06 22:06:04,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:06:04,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f525a8e-507b-430c-b34d-2cd569286836/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:06:04,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f525a8e-507b-430c-b34d-2cd569286836/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:06:04,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f525a8e-507b-430c-b34d-2cd569286836/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:06:04,261 INFO L130 BoogieDeclarations]: Found specification of procedure volume_sysfs_init [2021-12-06 22:06:04,261 INFO L138 BoogieDeclarations]: Found implementation of procedure volume_sysfs_init [2021-12-06 22:06:04,261 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_ec_hdr [2021-12-06 22:06:04,261 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_ec_hdr [2021-12-06 22:06:04,261 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_unmap_leb [2021-12-06 22:06:04,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_unmap_leb [2021-12-06 22:06:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-06 22:06:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-06 22:06:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-06 22:06:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2021-12-06 22:06:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2021-12-06 22:06:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_resize_volume [2021-12-06 22:06:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_resize_volume [2021-12-06 22:06:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_free_internal_volumes [2021-12-06 22:06:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_free_internal_volumes [2021-12-06 22:06:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure __schedule_ubi_work [2021-12-06 22:06:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __schedule_ubi_work [2021-12-06 22:06:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_volume_notify [2021-12-06 22:06:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_volume_notify [2021-12-06 22:06:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-06 22:06:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-06 22:06:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 22:06:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 22:06:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_detach_mtd_dev [2021-12-06 22:06:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_detach_mtd_dev [2021-12-06 22:06:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure put_mtd_device [2021-12-06 22:06:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure put_mtd_device [2021-12-06 22:06:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure erase_block [2021-12-06 22:06:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure erase_block [2021-12-06 22:06:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_pending [2021-12-06 22:06:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_pending [2021-12-06 22:06:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-06 22:06:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-06 22:06:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-06 22:06:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-06 22:06:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure class_remove_file [2021-12-06 22:06:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure class_remove_file [2021-12-06 22:06:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2021-12-06 22:06:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2021-12-06 22:06:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_read_leb [2021-12-06 22:06:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_read_leb [2021-12-06 22:06:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_do_get_device_info [2021-12-06 22:06:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_do_get_device_info [2021-12-06 22:06:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_cdev_ioctl [2021-12-06 22:06:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_cdev_ioctl [2021-12-06 22:06:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_sysfs_close [2021-12-06 22:06:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_sysfs_close [2021-12-06 22:06:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure vtbl_check [2021-12-06 22:06:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure vtbl_check [2021-12-06 22:06:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_remove [2021-12-06 22:06:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_remove [2021-12-06 22:06:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_vid_hdr [2021-12-06 22:06:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_vid_hdr [2021-12-06 22:06:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_cdev_ioctl [2021-12-06 22:06:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_cdev_ioctl [2021-12-06 22:06:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_cleanup [2021-12-06 22:06:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_cleanup [2021-12-06 22:06:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-06 22:06:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-06 22:06:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_compare_lebs [2021-12-06 22:06:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_compare_lebs [2021-12-06 22:06:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_get_fm_peb [2021-12-06 22:06:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_get_fm_peb [2021-12-06 22:06:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 22:06:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 22:06:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2021-12-06 22:06:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2021-12-06 22:06:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_ioctl [2021-12-06 22:06:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_ioctl [2021-12-06 22:06:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_fastmap [2021-12-06 22:06:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_fastmap [2021-12-06 22:06:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure is_error_sane [2021-12-06 22:06:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure is_error_sane [2021-12-06 22:06:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_vid_hdr [2021-12-06 22:06:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_vid_hdr [2021-12-06 22:06:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vid_hdr [2021-12-06 22:06:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vid_hdr [2021-12-06 22:06:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure rb_next [2021-12-06 22:06:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_next [2021-12-06 22:06:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_check_volume [2021-12-06 22:06:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_check_volume [2021-12-06 22:06:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-06 22:06:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_calc_data_len [2021-12-06 22:06:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_calc_data_len [2021-12-06 22:06:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_data [2021-12-06 22:06:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_data [2021-12-06 22:06:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure dfs_file_write [2021-12-06 22:06:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure dfs_file_write [2021-12-06 22:06:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_close [2021-12-06 22:06:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_close [2021-12-06 22:06:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_free_vid_hdr [2021-12-06 22:06:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_free_vid_hdr [2021-12-06 22:06:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:06:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-06 22:06:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-06 22:06:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2021-12-06 22:06:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2021-12-06 22:06:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_7 [2021-12-06 22:06:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_7 [2021-12-06 22:06:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_find_av [2021-12-06 22:06:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_find_av [2021-12-06 22:06:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-06 22:06:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-06 22:06:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-06 22:06:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-06 22:06:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 22:06:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 22:06:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_ubi_work [2021-12-06 22:06:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_ubi_work [2021-12-06 22:06:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_erase___0 [2021-12-06 22:06:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_erase___0 [2021-12-06 22:06:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 22:06:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 22:06:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure dev_attribute_show [2021-12-06 22:06:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_attribute_show [2021-12-06 22:06:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-06 22:06:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-06 22:06:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_ec_hdr [2021-12-06 22:06:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_ec_hdr [2021-12-06 22:06:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 22:06:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_not_bad [2021-12-06 22:06:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_not_bad [2021-12-06 22:06:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-06 22:06:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-06 22:06:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_div_by_eb [2021-12-06 22:06:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_div_by_eb [2021-12-06 22:06:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev_nolock [2021-12-06 22:06:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev_nolock [2021-12-06 22:06:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-06 22:06:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-06 22:06:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 22:06:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 22:06:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_calculate_reserved [2021-12-06 22:06:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_calculate_reserved [2021-12-06 22:06:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_debugfs_exit_dev [2021-12-06 22:06:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_debugfs_exit_dev [2021-12-06 22:06:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 22:06:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure validate_vid_hdr [2021-12-06 22:06:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_vid_hdr [2021-12-06 22:06:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure find_mean_wl_entry [2021-12-06 22:06:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mean_wl_entry [2021-12-06 22:06:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:06:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-06 22:06:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-06 22:06:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 22:06:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 22:06:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_data [2021-12-06 22:06:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_data [2021-12-06 22:06:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure prot_queue_add [2021-12-06 22:06:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure prot_queue_add [2021-12-06 22:06:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-06 22:06:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-06 22:06:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_open_volume_nm [2021-12-06 22:06:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_open_volume_nm [2021-12-06 22:06:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-06 22:06:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-06 22:06:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-12-06 22:06:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-12-06 22:06:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_write [2021-12-06 22:06:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_write [2021-12-06 22:06:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-12-06 22:06:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-12-06 22:06:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-06 22:06:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-06 22:06:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-06 22:06:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-06 22:06:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2021-12-06 22:06:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2021-12-06 22:06:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure new_fm_vhdr [2021-12-06 22:06:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure new_fm_vhdr [2021-12-06 22:06:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure yield [2021-12-06 22:06:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure yield [2021-12-06 22:06:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-12-06 22:06:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-12-06 22:06:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure find_wl_entry [2021-12-06 22:06:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure find_wl_entry [2021-12-06 22:06:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2021-12-06 22:06:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2021-12-06 22:06:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_io [2021-12-06 22:06:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_io [2021-12-06 22:06:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_cur_bytes [2021-12-06 22:06:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_cur_bytes [2021-12-06 22:06:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure __vmalloc [2021-12-06 22:06:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __vmalloc [2021-12-06 22:06:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_is_bad [2021-12-06 22:06:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_is_bad [2021-12-06 22:06:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure vol_id2idx [2021-12-06 22:06:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_id2idx [2021-12-06 22:06:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_attach_mtd_dev [2021-12-06 22:06:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_attach_mtd_dev [2021-12-06 22:06:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-06 22:06:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-06 22:06:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 22:06:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_reserved [2021-12-06 22:06:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_reserved [2021-12-06 22:06:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_put_fm_peb [2021-12-06 22:06:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_put_fm_peb [2021-12-06 22:06:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure in_wl_tree [2021-12-06 22:06:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure in_wl_tree [2021-12-06 22:06:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_ai [2021-12-06 22:06:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_ai [2021-12-06 22:06:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-06 22:06:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-06 22:06:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_get_peb [2021-12-06 22:06:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_get_peb [2021-12-06 22:06:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-06 22:06:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-06 22:06:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:06:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_ai [2021-12-06 22:06:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_ai [2021-12-06 22:06:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 22:06:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-12-06 22:06:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-12-06 22:06:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 22:06:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_aeb [2021-12-06 22:06:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_aeb [2021-12-06 22:06:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_av [2021-12-06 22:06:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_av [2021-12-06 22:06:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-06 22:06:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-06 22:06:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-06 22:06:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-06 22:06:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure write_leb [2021-12-06 22:06:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure write_leb [2021-12-06 22:06:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2021-12-06 22:06:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2021-12-06 22:06:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-12-06 22:06:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-12-06 22:06:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_erase [2021-12-06 22:06:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_erase [2021-12-06 22:06:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure prot_queue_del [2021-12-06 22:06:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure prot_queue_del [2021-12-06 22:06:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure validate_ec_hdr [2021-12-06 22:06:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_ec_hdr [2021-12-06 22:06:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_compat [2021-12-06 22:06:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_compat [2021-12-06 22:06:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_gen [2021-12-06 22:06:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_gen [2021-12-06 22:06:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_remove_av [2021-12-06 22:06:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_remove_av [2021-12-06 22:06:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-06 22:06:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-06 22:06:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_device [2021-12-06 22:06:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_device [2021-12-06 22:06:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure rb_first [2021-12-06 22:06:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_first [2021-12-06 22:06:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_vid_hdr [2021-12-06 22:06:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_vid_hdr [2021-12-06 22:06:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2021-12-06 22:06:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2021-12-06 22:06:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure leb_write_lock [2021-12-06 22:06:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_write_lock [2021-12-06 22:06:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path [2021-12-06 22:06:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path [2021-12-06 22:06:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-06 22:06:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-06 22:06:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2021-12-06 22:06:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2021-12-06 22:06:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read [2021-12-06 22:06:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read [2021-12-06 22:06:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-06 22:06:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-06 22:06:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_change_vtbl_record [2021-12-06 22:06:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_change_vtbl_record [2021-12-06 22:06:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 22:06:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 22:06:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_write [2021-12-06 22:06:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_write [2021-12-06 22:06:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure uif_close [2021-12-06 22:06:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure uif_close [2021-12-06 22:06:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-06 22:06:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-06 22:06:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_remove_all [2021-12-06 22:06:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_remove_all [2021-12-06 22:06:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_atomic_leb_change [2021-12-06 22:06:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_atomic_leb_change [2021-12-06 22:06:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:06:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:06:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-06 22:06:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-06 22:06:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_ro_mode [2021-12-06 22:06:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_ro_mode [2021-12-06 22:06:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-06 22:06:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-06 22:06:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-06 22:06:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-06 22:06:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2021-12-06 22:06:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2021-12-06 22:06:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 22:06:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 22:06:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 22:06:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 22:06:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-06 22:06:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-06 22:06:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure scan_all [2021-12-06 22:06:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_all [2021-12-06 22:06:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-06 22:06:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-06 22:06:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_flash [2021-12-06 22:06:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_flash [2021-12-06 22:06:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_is_fm_block [2021-12-06 22:06:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_is_fm_block [2021-12-06 22:06:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2021-12-06 22:06:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_fetch_request [2021-12-06 22:06:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure leb_write_unlock [2021-12-06 22:06:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_write_unlock [2021-12-06 22:06:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure device_register [2021-12-06 22:06:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure device_register [2021-12-06 22:06:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_sync_erase [2021-12-06 22:06:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_sync_erase [2021-12-06 22:06:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 22:06:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 22:06:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 22:06:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 22:06:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure idx2vol_id [2021-12-06 22:06:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure idx2vol_id [2021-12-06 22:06:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2021-12-06 22:06:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2021-12-06 22:06:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-06 22:06:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-06 22:06:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-12-06 22:06:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-12-06 22:06:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure vol_attribute_show [2021-12-06 22:06:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_attribute_show [2021-12-06 22:06:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_peb_ec_hdr [2021-12-06 22:06:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_peb_ec_hdr [2021-12-06 22:06:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vol_info [2021-12-06 22:06:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vol_info [2021-12-06 22:06:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 22:06:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 22:06:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure get_peb_for_wl [2021-12-06 22:06:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure get_peb_for_wl [2021-12-06 22:06:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 22:06:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 22:06:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2021-12-06 22:06:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2021-12-06 22:06:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-12-06 22:06:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-12-06 22:06:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure blocking_notifier_call_chain [2021-12-06 22:06:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure blocking_notifier_call_chain [2021-12-06 22:06:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure create_vtbl [2021-12-06 22:06:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure create_vtbl [2021-12-06 22:06:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure prandom_u32 [2021-12-06 22:06:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure prandom_u32 [2021-12-06 22:06:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-06 22:06:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-06 22:06:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2021-12-06 22:06:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2021-12-06 22:06:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2021-12-06 22:06:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2021-12-06 22:06:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:06:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure do_work [2021-12-06 22:06:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure do_work [2021-12-06 22:06:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 22:06:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 22:06:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_in_wl_tree [2021-12-06 22:06:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_in_wl_tree [2021-12-06 22:06:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_open_volume [2021-12-06 22:06:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_open_volume [2021-12-06 22:06:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_check_pattern [2021-12-06 22:06:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_check_pattern [2021-12-06 22:06:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_bitflip [2021-12-06 22:06:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_bitflip [2021-12-06 22:06:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_write_leb [2021-12-06 22:06:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_write_leb [2021-12-06 22:06:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-06 22:06:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-06 22:06:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-06 22:06:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-06 22:06:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 22:06:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_fsync [2021-12-06 22:06:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_fsync [2021-12-06 22:06:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure get_mtd_device [2021-12-06 22:06:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mtd_device [2021-12-06 22:06:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_put_device [2021-12-06 22:06:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_put_device [2021-12-06 22:06:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure assign_aeb_to_av [2021-12-06 22:06:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure assign_aeb_to_av [2021-12-06 22:06:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-06 22:06:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-06 22:06:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure clear_update_marker [2021-12-06 22:06:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_update_marker [2021-12-06 22:06:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-06 22:06:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-06 22:06:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-06 22:06:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-06 22:06:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure scan_peb [2021-12-06 22:06:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_peb [2021-12-06 22:06:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-12-06 22:06:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-12-06 22:06:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure validate_vid_hdr___0 [2021-12-06 22:06:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_vid_hdr___0 [2021-12-06 22:06:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr___3 [2021-12-06 22:06:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr___3 [2021-12-06 22:06:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_create [2021-12-06 22:06:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_create [2021-12-06 22:06:04,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 22:06:04,298 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr___0 [2021-12-06 22:06:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr___0 [2021-12-06 22:06:04,298 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-06 22:06:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-06 22:06:04,298 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr___4 [2021-12-06 22:06:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr___4 [2021-12-06 22:06:04,298 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_self_check_all_ff [2021-12-06 22:06:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_self_check_all_ff [2021-12-06 22:06:04,298 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2021-12-06 22:06:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2021-12-06 22:06:04,298 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_eccerr [2021-12-06 22:06:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_eccerr [2021-12-06 22:06:04,298 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_close_volume [2021-12-06 22:06:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_close_volume [2021-12-06 22:06:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_put_peb [2021-12-06 22:06:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_put_peb [2021-12-06 22:06:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-06 22:06:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-06 22:06:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-12-06 22:06:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-12-06 22:06:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 22:06:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 22:06:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2021-12-06 22:06:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2021-12-06 22:06:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-06 22:06:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-06 22:06:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-06 22:06:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-06 22:06:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_wear_leveling [2021-12-06 22:06:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_wear_leveling [2021-12-06 22:06:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure leb_read_unlock [2021-12-06 22:06:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_read_unlock [2021-12-06 22:06:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-06 22:06:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-06 22:06:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_next_sqnum [2021-12-06 22:06:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_next_sqnum [2021-12-06 22:06:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_ec_hdr [2021-12-06 22:06:04,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_ec_hdr [2021-12-06 22:06:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure bio_has_data [2021-12-06 22:06:04,301 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_has_data [2021-12-06 22:06:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure ltree_add_entry [2021-12-06 22:06:04,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ltree_add_entry [2021-12-06 22:06:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure volume_sysfs_close [2021-12-06 22:06:04,301 INFO L138 BoogieDeclarations]: Found implementation of procedure volume_sysfs_close [2021-12-06 22:06:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure revoke_exclusive [2021-12-06 22:06:04,301 INFO L138 BoogieDeclarations]: Found implementation of procedure revoke_exclusive [2021-12-06 22:06:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-06 22:06:04,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-06 22:06:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure return_unused_pool_pebs [2021-12-06 22:06:04,301 INFO L138 BoogieDeclarations]: Found implementation of procedure return_unused_pool_pebs [2021-12-06 22:06:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-06 22:06:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-06 22:06:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-12-06 22:06:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-12-06 22:06:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vtbl_record [2021-12-06 22:06:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vtbl_record [2021-12-06 22:06:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-06 22:06:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-06 22:06:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure erase_worker [2021-12-06 22:06:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure erase_worker [2021-12-06 22:06:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_erase [2021-12-06 22:06:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_erase [2021-12-06 22:06:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_add_to_av [2021-12-06 22:06:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_add_to_av [2021-12-06 22:06:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2021-12-06 22:06:04,303 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2021-12-06 22:06:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-12-06 22:06:04,303 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2021-12-06 22:06:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 22:06:04,303 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 22:06:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-06 22:06:04,303 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-06 22:06:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-12-06 22:06:04,303 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-12-06 22:06:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:06:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2021-12-06 22:06:04,303 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2021-12-06 22:06:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_remove_volume [2021-12-06 22:06:04,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_remove_volume [2021-12-06 22:06:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-06 22:06:04,304 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-06 22:06:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 22:06:04,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 22:06:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure ltree_lookup [2021-12-06 22:06:04,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ltree_lookup [2021-12-06 22:06:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_getgeo [2021-12-06 22:06:04,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_getgeo [2021-12-06 22:06:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2021-12-06 22:06:04,304 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2021-12-06 22:06:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-06 22:06:04,305 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-06 22:06:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-06 22:06:04,305 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-06 22:06:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_flush [2021-12-06 22:06:04,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_flush [2021-12-06 22:06:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_list [2021-12-06 22:06:04,305 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_list [2021-12-06 22:06:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_volumes [2021-12-06 22:06:04,305 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_volumes [2021-12-06 22:06:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure kill_volumes [2021-12-06 22:06:04,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_volumes [2021-12-06 22:06:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_is_bgt_disabled [2021-12-06 22:06:04,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_is_bgt_disabled [2021-12-06 22:06:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_notify_all [2021-12-06 22:06:04,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_notify_all [2021-12-06 22:06:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-06 22:06:04,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-06 22:06:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write [2021-12-06 22:06:04,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write [2021-12-06 22:06:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure imajor [2021-12-06 22:06:04,306 INFO L138 BoogieDeclarations]: Found implementation of procedure imajor [2021-12-06 22:06:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure scan_pool [2021-12-06 22:06:04,306 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_pool [2021-12-06 22:06:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-06 22:06:04,306 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-06 22:06:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure add_aeb [2021-12-06 22:06:04,306 INFO L138 BoogieDeclarations]: Found implementation of procedure add_aeb [2021-12-06 22:06:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_read [2021-12-06 22:06:04,307 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_read [2021-12-06 22:06:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_debugfs_exit [2021-12-06 22:06:04,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_debugfs_exit [2021-12-06 22:06:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure get_exclusive [2021-12-06 22:06:04,307 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exclusive [2021-12-06 22:06:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_major2num [2021-12-06 22:06:04,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_major2num [2021-12-06 22:06:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_do_get_volume_info [2021-12-06 22:06:04,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_do_get_volume_info [2021-12-06 22:06:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2021-12-06 22:06:04,307 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2021-12-06 22:06:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-06 22:06:04,308 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-06 22:06:04,308 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 22:06:04,308 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 22:06:04,308 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2021-12-06 22:06:04,308 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2021-12-06 22:06:04,308 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_volume_info [2021-12-06 22:06:04,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_volume_info [2021-12-06 22:06:04,308 INFO L130 BoogieDeclarations]: Found specification of procedure tree_destroy [2021-12-06 22:06:04,308 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_destroy [2021-12-06 22:06:04,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:06:04,308 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_ec_hdr [2021-12-06 22:06:04,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_ec_hdr [2021-12-06 22:06:04,308 INFO L130 BoogieDeclarations]: Found specification of procedure find_anchor_wl_entry [2021-12-06 22:06:04,308 INFO L138 BoogieDeclarations]: Found implementation of procedure find_anchor_wl_entry [2021-12-06 22:06:04,309 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-06 22:06:04,309 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-06 22:06:04,309 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-06 22:06:04,309 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-06 22:06:04,309 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_notify [2021-12-06 22:06:04,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_notify [2021-12-06 22:06:04,309 INFO L130 BoogieDeclarations]: Found specification of procedure wl_tree_add [2021-12-06 22:06:04,309 INFO L138 BoogieDeclarations]: Found implementation of procedure wl_tree_add [2021-12-06 22:06:05,505 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:06:05,509 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:06:05,646 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 22:11:53,327 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:11:53,380 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:11:53,380 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 22:11:53,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:11:53 BoogieIcfgContainer [2021-12-06 22:11:53,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:11:53,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:11:53,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:11:53,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:11:53,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:05:55" (1/3) ... [2021-12-06 22:11:53,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a6eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:11:53, skipping insertion in model container [2021-12-06 22:11:53,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:06:02" (2/3) ... [2021-12-06 22:11:53,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a6eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:11:53, skipping insertion in model container [2021-12-06 22:11:53,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:11:53" (3/3) ... [2021-12-06 22:11:53,394 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2021-12-06 22:11:53,398 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:11:53,399 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:11:53,467 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:11:53,474 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:11:53,474 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:11:53,614 INFO L276 IsEmpty]: Start isEmpty. Operand has 8882 states, 5851 states have (on average 1.3725858827550845) internal successors, (8031), 6126 states have internal predecessors, (8031), 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) [2021-12-06 22:11:53,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-12-06 22:11:53,642 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:11:53,643 INFO L514 BasicCegarLoop]: 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, 1, 1] [2021-12-06 22:11:53,643 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:11:53,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:11:53,647 INFO L85 PathProgramCache]: Analyzing trace with hash -426257151, now seen corresponding path program 1 times [2021-12-06 22:11:53,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:11:53,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521584090] [2021-12-06 22:11:53,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:11:53,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:11:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:11:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:11:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:11:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:11:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:11:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:11:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:11:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:11:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:11:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 22:11:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 22:11:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 22:11:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 22:11:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 22:11:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 22:11:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 22:11:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:11:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 22:11:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 22:11:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 22:11:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 22:11:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 22:11:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 22:11:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 22:11:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:11:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 22:11:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-06 22:11:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-06 22:11:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-06 22:11:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:54,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 22:11:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:55,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-06 22:11:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:55,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-06 22:11:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:55,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:11:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:55,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-06 22:11:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:55,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-06 22:11:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:55,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 22:11:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:55,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-06 22:11:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:55,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-06 22:11:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:55,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 22:11:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:55,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:11:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:55,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-06 22:11:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:55,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-06 22:11:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:55,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 22:11:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:11:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2021-12-06 22:11:55,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:11:55,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521584090] [2021-12-06 22:11:55,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521584090] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:11:55,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:11:55,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:11:55,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974514535] [2021-12-06 22:11:55,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:11:55,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:11:55,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:11:55,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:11:55,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:11:55,188 INFO L87 Difference]: Start difference. First operand has 8882 states, 5851 states have (on average 1.3725858827550845) internal successors, (8031), 6126 states have internal predecessors, (8031), 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, (47), 3 states have call predecessors, (47), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-06 22:11:56,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:12:03,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:12:11,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:12:15,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:12:25,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:12:28,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:12:38,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:12:42,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:13:26,608 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:13:29,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:13:29,189 INFO L93 Difference]: Finished difference Result 26091 states and 41284 transitions. [2021-12-06 22:13:29,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:13:29,192 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, (47), 3 states have call predecessors, (47), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 286 [2021-12-06 22:13:29,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:13:29,343 INFO L225 Difference]: With dead ends: 26091 [2021-12-06 22:13:29,344 INFO L226 Difference]: Without dead ends: 17121 [2021-12-06 22:13:29,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:13:29,427 INFO L933 BasicCegarLoop]: 18421 mSDtfsCounter, 12027 mSDsluCounter, 19297 mSDsCounter, 0 mSdLazyCounter, 9097 mSolverCounterSat, 5271 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 82.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14035 SdHoareTripleChecker+Valid, 37718 SdHoareTripleChecker+Invalid, 14375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5271 IncrementalHoareTripleChecker+Valid, 9097 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:13:29,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14035 Valid, 37718 Invalid, 14375 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5271 Valid, 9097 Invalid, 7 Unknown, 0 Unchecked, 92.1s Time] [2021-12-06 22:13:29,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17121 states. [2021-12-06 22:13:30,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17121 to 16393. [2021-12-06 22:13:30,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16393 states, 10834 states have (on average 1.3682850286136237) internal successors, (14824), 11296 states have internal predecessors, (14824), 5052 states have call successors, (5052), 505 states have call predecessors, (5052), 506 states have return successors, (5081), 4941 states have call predecessors, (5081), 5050 states have call successors, (5081) [2021-12-06 22:13:30,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16393 states to 16393 states and 24957 transitions. [2021-12-06 22:13:30,566 INFO L78 Accepts]: Start accepts. Automaton has 16393 states and 24957 transitions. Word has length 286 [2021-12-06 22:13:30,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:13:30,568 INFO L470 AbstractCegarLoop]: Abstraction has 16393 states and 24957 transitions. [2021-12-06 22:13:30,568 INFO L471 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, (47), 3 states have call predecessors, (47), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-06 22:13:30,568 INFO L276 IsEmpty]: Start isEmpty. Operand 16393 states and 24957 transitions. [2021-12-06 22:13:30,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-12-06 22:13:30,579 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:13:30,580 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:13:30,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:13:30,580 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:13:30,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:13:30,581 INFO L85 PathProgramCache]: Analyzing trace with hash -293377135, now seen corresponding path program 1 times [2021-12-06 22:13:30,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:13:30,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347153205] [2021-12-06 22:13:30,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:13:30,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:13:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:13:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:13:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:13:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:13:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:13:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:13:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:13:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:13:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:13:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 22:13:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 22:13:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 22:13:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 22:13:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 22:13:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 22:13:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 22:13:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:13:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 22:13:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 22:13:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 22:13:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 22:13:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 22:13:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 22:13:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 22:13:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:13:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 22:13:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-06 22:13:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-06 22:13:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-06 22:13:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 22:13:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-06 22:13:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-06 22:13:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:13:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-06 22:13:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-06 22:13:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 22:13:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-06 22:13:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-06 22:13:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-06 22:13:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 22:13:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-06 22:13:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-06 22:13:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 22:13:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-06 22:13:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-06 22:13:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:13:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:13:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:13:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:13:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:31,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3124 trivial. 0 not checked. [2021-12-06 22:13:31,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:13:31,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347153205] [2021-12-06 22:13:31,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347153205] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:13:31,869 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:13:31,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:13:31,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390099982] [2021-12-06 22:13:31,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:13:31,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:13:31,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:13:31,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:13:31,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:13:31,873 INFO L87 Difference]: Start difference. First operand 16393 states and 24957 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) [2021-12-06 22:13:33,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:13:35,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:13:37,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:13:49,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:13:51,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:13:53,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:13:56,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:14:15,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:14:17,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:14:20,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:14:22,789 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:14:51,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:14:53,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:14:56,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:14:58,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:09,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:11,357 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:28,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:30,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:39,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:41,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:44,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:49,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:53,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:55,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:16:00,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:16:02,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:16:38,026 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:16:40,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 22:16:42,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:16:54,338 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:16:56,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:18:24,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:18:26,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:18:29,764 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:18:42,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:18:42,014 INFO L93 Difference]: Finished difference Result 55110 states and 85961 transitions. [2021-12-06 22:18:42,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 22:18:42,014 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 [2021-12-06 22:18:42,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:18:42,221 INFO L225 Difference]: With dead ends: 55110 [2021-12-06 22:18:42,221 INFO L226 Difference]: Without dead ends: 38796 [2021-12-06 22:18:42,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-12-06 22:18:42,283 INFO L933 BasicCegarLoop]: 16905 mSDtfsCounter, 26695 mSDsluCounter, 25972 mSDsCounter, 0 mSdLazyCounter, 31740 mSolverCounterSat, 28280 mSolverCounterUnsat, 29 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 278.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29743 SdHoareTripleChecker+Valid, 42877 SdHoareTripleChecker+Invalid, 60049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 28280 IncrementalHoareTripleChecker+Valid, 31740 IncrementalHoareTripleChecker+Invalid, 29 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 306.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:18:42,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29743 Valid, 42877 Invalid, 60049 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [28280 Valid, 31740 Invalid, 29 Unknown, 0 Unchecked, 306.2s Time] [2021-12-06 22:18:42,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38796 states. [2021-12-06 22:18:44,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38796 to 32620. [2021-12-06 22:18:44,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32620 states, 21570 states have (on average 1.3689383402874362) internal successors, (29528), 22503 states have internal predecessors, (29528), 10030 states have call successors, (10030), 1006 states have call predecessors, (10030), 1019 states have return successors, (10110), 9810 states have call predecessors, (10110), 10028 states have call successors, (10110) [2021-12-06 22:18:44,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32620 states to 32620 states and 49668 transitions. [2021-12-06 22:18:44,517 INFO L78 Accepts]: Start accepts. Automaton has 32620 states and 49668 transitions. Word has length 324 [2021-12-06 22:18:44,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:18:44,518 INFO L470 AbstractCegarLoop]: Abstraction has 32620 states and 49668 transitions. [2021-12-06 22:18:44,518 INFO L471 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) [2021-12-06 22:18:44,518 INFO L276 IsEmpty]: Start isEmpty. Operand 32620 states and 49668 transitions. [2021-12-06 22:18:44,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-12-06 22:18:44,528 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:18:44,529 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:18:44,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:18:44,529 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:18:44,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:18:44,529 INFO L85 PathProgramCache]: Analyzing trace with hash -420409778, now seen corresponding path program 1 times [2021-12-06 22:18:44,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:18:44,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172183702] [2021-12-06 22:18:44,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:18:44,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:18:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:18:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:18:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:18:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:18:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:18:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:18:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:18:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:18:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:18:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 22:18:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 22:18:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 22:18:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 22:18:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 22:18:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 22:18:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 22:18:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:18:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 22:18:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 22:18:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 22:18:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 22:18:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 22:18:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 22:18:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 22:18:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:18:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 22:18:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-06 22:18:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-06 22:18:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-06 22:18:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 22:18:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-06 22:18:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-06 22:18:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:18:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-06 22:18:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-06 22:18:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 22:18:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-06 22:18:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-06 22:18:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-06 22:18:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-06 22:18:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 22:18:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:18:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 22:18:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:18:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-06 22:18:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:45,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2021-12-06 22:18:45,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:18:45,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172183702] [2021-12-06 22:18:45,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172183702] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:18:45,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:18:45,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:18:45,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733572497] [2021-12-06 22:18:45,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:18:45,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:18:45,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:18:45,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:18:45,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:18:45,490 INFO L87 Difference]: Start difference. First operand 32620 states and 49668 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-12-06 22:18:47,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:18:49,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:19:01,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:19:10,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:19:17,296 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:19:27,170 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:19:34,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []