./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d3e56f-ff49-4675-868b-278c7a28675d/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d3e56f-ff49-4675-868b-278c7a28675d/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d3e56f-ff49-4675-868b-278c7a28675d/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d3e56f-ff49-4675-868b-278c7a28675d/bin/utaipan-7li7fVZpFI/config/TaipanReach.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_69d3e56f-ff49-4675-868b-278c7a28675d/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d3e56f-ff49-4675-868b-278c7a28675d/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 653bbac28ac5777df45378e95c3d4d049df50356a6a758af8df299c50637b77a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:44:25,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:44:25,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:44:25,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:44:25,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:44:25,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:44:25,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:44:25,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:44:25,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:44:25,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:44:25,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:44:25,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:44:25,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:44:25,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:44:25,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:44:25,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:44:25,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:44:25,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:44:25,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:44:25,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:44:25,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:44:25,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:44:25,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:44:25,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:44:25,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:44:25,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:44:25,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:44:25,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:44:25,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:44:25,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:44:25,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:44:25,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:44:25,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:44:25,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:44:25,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:44:25,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:44:25,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:44:25,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:44:25,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:44:25,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:44:25,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:44:25,967 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d3e56f-ff49-4675-868b-278c7a28675d/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:44:25,992 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:44:25,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:44:25,992 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:44:25,993 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:44:25,993 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:44:25,994 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:44:25,994 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:44:25,994 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:44:25,994 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:44:25,995 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:44:25,995 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:44:25,995 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:44:25,995 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:44:25,996 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:44:25,996 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:44:25,996 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:44:25,996 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:44:25,997 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:44:25,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:44:25,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:44:25,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:44:25,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:44:25,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:44:25,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:44:25,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:44:25,999 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:44:25,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:44:26,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:44:26,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:44:26,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:44:26,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:44:26,001 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:44:26,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:44:26,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:44:26,001 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:44:26,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:44:26,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:44:26,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:44:26,002 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_69d3e56f-ff49-4675-868b-278c7a28675d/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d3e56f-ff49-4675-868b-278c7a28675d/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 653bbac28ac5777df45378e95c3d4d049df50356a6a758af8df299c50637b77a [2022-11-03 01:44:26,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:44:26,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:44:26,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:44:26,297 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:44:26,298 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:44:26,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d3e56f-ff49-4675-868b-278c7a28675d/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2022-11-03 01:44:26,368 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d3e56f-ff49-4675-868b-278c7a28675d/bin/utaipan-7li7fVZpFI/data/c09e9e374/6195a4b86803454794cd98d31efb94ab/FLAGc87a4f887 [2022-11-03 01:44:27,616 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:44:27,616 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d3e56f-ff49-4675-868b-278c7a28675d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2022-11-03 01:44:27,683 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d3e56f-ff49-4675-868b-278c7a28675d/bin/utaipan-7li7fVZpFI/data/c09e9e374/6195a4b86803454794cd98d31efb94ab/FLAGc87a4f887 [2022-11-03 01:44:27,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d3e56f-ff49-4675-868b-278c7a28675d/bin/utaipan-7li7fVZpFI/data/c09e9e374/6195a4b86803454794cd98d31efb94ab [2022-11-03 01:44:27,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:44:27,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:44:27,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:44:27,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:44:27,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:44:27,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:44:27" (1/1) ... [2022-11-03 01:44:27,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a34e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:27, skipping insertion in model container [2022-11-03 01:44:27,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:44:27" (1/1) ... [2022-11-03 01:44:27,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:44:28,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:44:28,641 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4269] [2022-11-03 01:44:28,641 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4270-4271] [2022-11-03 01:44:29,282 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_69d3e56f-ff49-4675-868b-278c7a28675d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i[125841,125854] [2022-11-03 01:44:35,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:44:35,226 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:44:35,336 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4269] [2022-11-03 01:44:35,337 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4270-4271] [2022-11-03 01:44:35,356 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_69d3e56f-ff49-4675-868b-278c7a28675d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i[125841,125854] [2022-11-03 01:44:36,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:44:36,694 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:44:36,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:36 WrapperNode [2022-11-03 01:44:36,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:44:36,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:44:36,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:44:36,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:44:36,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:36" (1/1) ... [2022-11-03 01:44:37,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:36" (1/1) ... [2022-11-03 01:44:37,689 INFO L138 Inliner]: procedures = 600, calls = 14234, calls flagged for inlining = 262, calls inlined = 250, statements flattened = 29242 [2022-11-03 01:44:37,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:44:37,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:44:37,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:44:37,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:44:37,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:36" (1/1) ... [2022-11-03 01:44:37,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:36" (1/1) ... [2022-11-03 01:44:38,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:36" (1/1) ... [2022-11-03 01:44:38,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:36" (1/1) ... [2022-11-03 01:44:38,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:36" (1/1) ... [2022-11-03 01:44:38,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:36" (1/1) ... [2022-11-03 01:44:38,999 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:36" (1/1) ... [2022-11-03 01:44:39,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:36" (1/1) ... [2022-11-03 01:44:39,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:44:39,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:44:39,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:44:39,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:44:39,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:36" (1/1) ... [2022-11-03 01:44:39,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:44:39,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d3e56f-ff49-4675-868b-278c7a28675d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:44:39,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d3e56f-ff49-4675-868b-278c7a28675d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:44:39,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69d3e56f-ff49-4675-868b-278c7a28675d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:44:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure volume_sysfs_init [2022-11-03 01:44:39,561 INFO L138 BoogieDeclarations]: Found implementation of procedure volume_sysfs_init [2022-11-03 01:44:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_ec_hdr [2022-11-03 01:44:39,562 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_ec_hdr [2022-11-03 01:44:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_unmap_leb [2022-11-03 01:44:39,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_unmap_leb [2022-11-03 01:44:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 01:44:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-03 01:44:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-03 01:44:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-11-03 01:44:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-11-03 01:44:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_resize_volume [2022-11-03 01:44:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_resize_volume [2022-11-03 01:44:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_free_internal_volumes [2022-11-03 01:44:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_free_internal_volumes [2022-11-03 01:44:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure __schedule_ubi_work [2022-11-03 01:44:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __schedule_ubi_work [2022-11-03 01:44:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_volume_notify [2022-11-03 01:44:39,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_volume_notify [2022-11-03 01:44:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 01:44:39,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 01:44:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:44:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:44:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_detach_mtd_dev [2022-11-03 01:44:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_detach_mtd_dev [2022-11-03 01:44:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure put_mtd_device [2022-11-03 01:44:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure put_mtd_device [2022-11-03 01:44:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure erase_block [2022-11-03 01:44:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure erase_block [2022-11-03 01:44:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_pending [2022-11-03 01:44:39,573 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_pending [2022-11-03 01:44:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-03 01:44:39,573 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-03 01:44:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-03 01:44:39,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-03 01:44:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure class_remove_file [2022-11-03 01:44:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure class_remove_file [2022-11-03 01:44:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2022-11-03 01:44:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2022-11-03 01:44:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_read_leb [2022-11-03 01:44:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_read_leb [2022-11-03 01:44:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_do_get_device_info [2022-11-03 01:44:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_do_get_device_info [2022-11-03 01:44:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_cdev_ioctl [2022-11-03 01:44:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_cdev_ioctl [2022-11-03 01:44:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_sysfs_close [2022-11-03 01:44:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_sysfs_close [2022-11-03 01:44:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure vtbl_check [2022-11-03 01:44:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure vtbl_check [2022-11-03 01:44:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_remove [2022-11-03 01:44:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_remove [2022-11-03 01:44:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_vid_hdr [2022-11-03 01:44:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_vid_hdr [2022-11-03 01:44:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_cdev_ioctl [2022-11-03 01:44:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_cdev_ioctl [2022-11-03 01:44:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_cleanup [2022-11-03 01:44:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_cleanup [2022-11-03 01:44:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-03 01:44:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-03 01:44:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_compare_lebs [2022-11-03 01:44:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_compare_lebs [2022-11-03 01:44:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_get_fm_peb [2022-11-03 01:44:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_get_fm_peb [2022-11-03 01:44:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 01:44:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 01:44:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2022-11-03 01:44:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2022-11-03 01:44:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_ioctl [2022-11-03 01:44:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_ioctl [2022-11-03 01:44:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_fastmap [2022-11-03 01:44:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_fastmap [2022-11-03 01:44:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure is_error_sane [2022-11-03 01:44:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure is_error_sane [2022-11-03 01:44:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_vid_hdr [2022-11-03 01:44:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_vid_hdr [2022-11-03 01:44:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vid_hdr [2022-11-03 01:44:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vid_hdr [2022-11-03 01:44:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure rb_next [2022-11-03 01:44:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_next [2022-11-03 01:44:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_check_volume [2022-11-03 01:44:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_check_volume [2022-11-03 01:44:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 01:44:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_calc_data_len [2022-11-03 01:44:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_calc_data_len [2022-11-03 01:44:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_data [2022-11-03 01:44:39,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_data [2022-11-03 01:44:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure dfs_file_write [2022-11-03 01:44:39,605 INFO L138 BoogieDeclarations]: Found implementation of procedure dfs_file_write [2022-11-03 01:44:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_close [2022-11-03 01:44:39,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_close [2022-11-03 01:44:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_free_vid_hdr [2022-11-03 01:44:39,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_free_vid_hdr [2022-11-03 01:44:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:44:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-03 01:44:39,607 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-03 01:44:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2022-11-03 01:44:39,607 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2022-11-03 01:44:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_7 [2022-11-03 01:44:39,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_7 [2022-11-03 01:44:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_find_av [2022-11-03 01:44:39,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_find_av [2022-11-03 01:44:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 01:44:39,609 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 01:44:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-03 01:44:39,609 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-03 01:44:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 01:44:39,609 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 01:44:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_ubi_work [2022-11-03 01:44:39,610 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_ubi_work [2022-11-03 01:44:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_erase___0 [2022-11-03 01:44:39,610 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_erase___0 [2022-11-03 01:44:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:44:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:44:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure dev_attribute_show [2022-11-03 01:44:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_attribute_show [2022-11-03 01:44:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-03 01:44:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-03 01:44:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_ec_hdr [2022-11-03 01:44:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_ec_hdr [2022-11-03 01:44:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:44:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_not_bad [2022-11-03 01:44:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_not_bad [2022-11-03 01:44:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 01:44:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 01:44:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_div_by_eb [2022-11-03 01:44:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_div_by_eb [2022-11-03 01:44:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev_nolock [2022-11-03 01:44:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev_nolock [2022-11-03 01:44:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-03 01:44:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-03 01:44:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 01:44:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 01:44:39,615 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_calculate_reserved [2022-11-03 01:44:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_calculate_reserved [2022-11-03 01:44:39,615 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_debugfs_exit_dev [2022-11-03 01:44:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_debugfs_exit_dev [2022-11-03 01:44:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:44:39,627 INFO L130 BoogieDeclarations]: Found specification of procedure validate_vid_hdr [2022-11-03 01:44:39,628 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_vid_hdr [2022-11-03 01:44:39,628 INFO L130 BoogieDeclarations]: Found specification of procedure find_mean_wl_entry [2022-11-03 01:44:39,628 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mean_wl_entry [2022-11-03 01:44:39,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:44:39,628 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-03 01:44:39,628 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-03 01:44:39,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:44:39,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:44:39,629 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_data [2022-11-03 01:44:39,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_data [2022-11-03 01:44:39,629 INFO L130 BoogieDeclarations]: Found specification of procedure prot_queue_add [2022-11-03 01:44:39,630 INFO L138 BoogieDeclarations]: Found implementation of procedure prot_queue_add [2022-11-03 01:44:39,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 01:44:39,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 01:44:39,630 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_open_volume_nm [2022-11-03 01:44:39,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_open_volume_nm [2022-11-03 01:44:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-11-03 01:44:39,631 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-11-03 01:44:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-03 01:44:39,631 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-03 01:44:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_write [2022-11-03 01:44:39,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_write [2022-11-03 01:44:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-03 01:44:39,632 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-03 01:44:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 01:44:39,632 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 01:44:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-03 01:44:39,632 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-03 01:44:39,633 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2022-11-03 01:44:39,633 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2022-11-03 01:44:39,633 INFO L130 BoogieDeclarations]: Found specification of procedure new_fm_vhdr [2022-11-03 01:44:39,633 INFO L138 BoogieDeclarations]: Found implementation of procedure new_fm_vhdr [2022-11-03 01:44:39,633 INFO L130 BoogieDeclarations]: Found specification of procedure yield [2022-11-03 01:44:39,634 INFO L138 BoogieDeclarations]: Found implementation of procedure yield [2022-11-03 01:44:39,634 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-03 01:44:39,634 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-03 01:44:39,634 INFO L130 BoogieDeclarations]: Found specification of procedure find_wl_entry [2022-11-03 01:44:39,634 INFO L138 BoogieDeclarations]: Found implementation of procedure find_wl_entry [2022-11-03 01:44:39,634 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2022-11-03 01:44:39,635 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2022-11-03 01:44:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_io [2022-11-03 01:44:39,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_io [2022-11-03 01:44:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_cur_bytes [2022-11-03 01:44:39,635 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_cur_bytes [2022-11-03 01:44:39,636 INFO L130 BoogieDeclarations]: Found specification of procedure __vmalloc [2022-11-03 01:44:39,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __vmalloc [2022-11-03 01:44:39,636 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_is_bad [2022-11-03 01:44:39,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_is_bad [2022-11-03 01:44:39,636 INFO L130 BoogieDeclarations]: Found specification of procedure vol_id2idx [2022-11-03 01:44:39,636 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_id2idx [2022-11-03 01:44:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_attach_mtd_dev [2022-11-03 01:44:39,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_attach_mtd_dev [2022-11-03 01:44:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-03 01:44:39,637 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-03 01:44:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:44:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_reserved [2022-11-03 01:44:39,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_reserved [2022-11-03 01:44:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_put_fm_peb [2022-11-03 01:44:39,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_put_fm_peb [2022-11-03 01:44:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure in_wl_tree [2022-11-03 01:44:39,638 INFO L138 BoogieDeclarations]: Found implementation of procedure in_wl_tree [2022-11-03 01:44:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_ai [2022-11-03 01:44:39,639 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_ai [2022-11-03 01:44:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-11-03 01:44:39,639 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-11-03 01:44:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_get_peb [2022-11-03 01:44:39,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_get_peb [2022-11-03 01:44:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 01:44:39,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 01:44:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:44:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_ai [2022-11-03 01:44:39,640 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_ai [2022-11-03 01:44:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:44:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-11-03 01:44:39,641 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-11-03 01:44:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:44:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_aeb [2022-11-03 01:44:39,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_aeb [2022-11-03 01:44:39,650 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_av [2022-11-03 01:44:39,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_av [2022-11-03 01:44:39,650 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-03 01:44:39,651 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-03 01:44:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-03 01:44:39,654 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-03 01:44:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure write_leb [2022-11-03 01:44:39,655 INFO L138 BoogieDeclarations]: Found implementation of procedure write_leb [2022-11-03 01:44:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2022-11-03 01:44:39,655 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2022-11-03 01:44:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-11-03 01:44:39,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-11-03 01:44:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_erase [2022-11-03 01:44:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_erase [2022-11-03 01:44:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure prot_queue_del [2022-11-03 01:44:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure prot_queue_del [2022-11-03 01:44:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure validate_ec_hdr [2022-11-03 01:44:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_ec_hdr [2022-11-03 01:44:39,657 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_compat [2022-11-03 01:44:39,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_compat [2022-11-03 01:44:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_gen [2022-11-03 01:44:39,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_gen [2022-11-03 01:44:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_remove_av [2022-11-03 01:44:39,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_remove_av [2022-11-03 01:44:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-03 01:44:39,663 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-03 01:44:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_device [2022-11-03 01:44:39,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_device [2022-11-03 01:44:39,664 INFO L130 BoogieDeclarations]: Found specification of procedure rb_first [2022-11-03 01:44:39,664 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_first [2022-11-03 01:44:39,664 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_vid_hdr [2022-11-03 01:44:39,664 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_vid_hdr [2022-11-03 01:44:39,664 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2022-11-03 01:44:39,665 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2022-11-03 01:44:39,665 INFO L130 BoogieDeclarations]: Found specification of procedure leb_write_lock [2022-11-03 01:44:39,665 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_write_lock [2022-11-03 01:44:39,665 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path [2022-11-03 01:44:39,665 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path [2022-11-03 01:44:39,665 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-03 01:44:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-03 01:44:39,666 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2022-11-03 01:44:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2022-11-03 01:44:39,666 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read [2022-11-03 01:44:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read [2022-11-03 01:44:39,666 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 01:44:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 01:44:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_change_vtbl_record [2022-11-03 01:44:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_change_vtbl_record [2022-11-03 01:44:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:44:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:44:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_write [2022-11-03 01:44:39,668 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_write [2022-11-03 01:44:39,668 INFO L130 BoogieDeclarations]: Found specification of procedure uif_close [2022-11-03 01:44:39,668 INFO L138 BoogieDeclarations]: Found implementation of procedure uif_close [2022-11-03 01:44:39,668 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-03 01:44:39,668 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-03 01:44:39,668 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_remove_all [2022-11-03 01:44:39,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_remove_all [2022-11-03 01:44:39,669 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_atomic_leb_change [2022-11-03 01:44:39,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_atomic_leb_change [2022-11-03 01:44:39,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:44:39,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:44:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 01:44:39,678 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 01:44:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_ro_mode [2022-11-03 01:44:39,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_ro_mode [2022-11-03 01:44:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-03 01:44:39,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-03 01:44:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-03 01:44:39,679 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-03 01:44:39,679 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-11-03 01:44:39,679 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-11-03 01:44:39,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:44:39,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:44:39,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:44:39,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:44:39,680 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-03 01:44:39,680 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-03 01:44:39,680 INFO L130 BoogieDeclarations]: Found specification of procedure scan_all [2022-11-03 01:44:39,680 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_all [2022-11-03 01:44:39,681 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-03 01:44:39,681 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-03 01:44:39,681 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_flash [2022-11-03 01:44:39,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_flash [2022-11-03 01:44:39,681 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_is_fm_block [2022-11-03 01:44:39,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_is_fm_block [2022-11-03 01:44:39,682 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2022-11-03 01:44:39,682 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_fetch_request [2022-11-03 01:44:39,682 INFO L130 BoogieDeclarations]: Found specification of procedure leb_write_unlock [2022-11-03 01:44:39,682 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_write_unlock [2022-11-03 01:44:39,682 INFO L130 BoogieDeclarations]: Found specification of procedure device_register [2022-11-03 01:44:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure device_register [2022-11-03 01:44:39,683 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_sync_erase [2022-11-03 01:44:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_sync_erase [2022-11-03 01:44:39,683 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 01:44:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 01:44:39,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 01:44:39,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 01:44:39,684 INFO L130 BoogieDeclarations]: Found specification of procedure idx2vol_id [2022-11-03 01:44:39,684 INFO L138 BoogieDeclarations]: Found implementation of procedure idx2vol_id [2022-11-03 01:44:39,684 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2022-11-03 01:44:39,684 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2022-11-03 01:44:39,684 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-11-03 01:44:39,685 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-11-03 01:44:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-11-03 01:44:39,685 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-11-03 01:44:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure vol_attribute_show [2022-11-03 01:44:39,685 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_attribute_show [2022-11-03 01:44:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_peb_ec_hdr [2022-11-03 01:44:39,686 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_peb_ec_hdr [2022-11-03 01:44:39,686 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vol_info [2022-11-03 01:44:39,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vol_info [2022-11-03 01:44:39,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:44:39,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:44:39,686 INFO L130 BoogieDeclarations]: Found specification of procedure get_peb_for_wl [2022-11-03 01:44:39,687 INFO L138 BoogieDeclarations]: Found implementation of procedure get_peb_for_wl [2022-11-03 01:44:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 01:44:39,687 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 01:44:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2022-11-03 01:44:39,702 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2022-11-03 01:44:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-03 01:44:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-03 01:44:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure blocking_notifier_call_chain [2022-11-03 01:44:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure blocking_notifier_call_chain [2022-11-03 01:44:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure create_vtbl [2022-11-03 01:44:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure create_vtbl [2022-11-03 01:44:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure prandom_u32 [2022-11-03 01:44:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure prandom_u32 [2022-11-03 01:44:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-03 01:44:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-03 01:44:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-11-03 01:44:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-11-03 01:44:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2022-11-03 01:44:39,705 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2022-11-03 01:44:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:44:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure do_work [2022-11-03 01:44:39,705 INFO L138 BoogieDeclarations]: Found implementation of procedure do_work [2022-11-03 01:44:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 01:44:39,706 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 01:44:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_in_wl_tree [2022-11-03 01:44:39,706 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_in_wl_tree [2022-11-03 01:44:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_open_volume [2022-11-03 01:44:39,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_open_volume [2022-11-03 01:44:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_check_pattern [2022-11-03 01:44:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_check_pattern [2022-11-03 01:44:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_bitflip [2022-11-03 01:44:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_bitflip [2022-11-03 01:44:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_write_leb [2022-11-03 01:44:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_write_leb [2022-11-03 01:44:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-11-03 01:44:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-11-03 01:44:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-11-03 01:44:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-11-03 01:44:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:44:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_fsync [2022-11-03 01:44:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_fsync [2022-11-03 01:44:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure get_mtd_device [2022-11-03 01:44:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mtd_device [2022-11-03 01:44:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_put_device [2022-11-03 01:44:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_put_device [2022-11-03 01:44:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure assign_aeb_to_av [2022-11-03 01:44:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure assign_aeb_to_av [2022-11-03 01:44:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-03 01:44:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-03 01:44:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure clear_update_marker [2022-11-03 01:44:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_update_marker [2022-11-03 01:44:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 01:44:39,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 01:44:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-03 01:44:39,711 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-03 01:44:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure scan_peb [2022-11-03 01:44:39,711 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_peb [2022-11-03 01:44:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-03 01:44:39,712 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-03 01:44:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure validate_vid_hdr___0 [2022-11-03 01:44:39,712 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_vid_hdr___0 [2022-11-03 01:44:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr___3 [2022-11-03 01:44:39,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr___3 [2022-11-03 01:44:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_create [2022-11-03 01:44:39,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_create [2022-11-03 01:44:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:44:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr___0 [2022-11-03 01:44:39,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr___0 [2022-11-03 01:44:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 01:44:39,714 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 01:44:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr___4 [2022-11-03 01:44:39,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr___4 [2022-11-03 01:44:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_self_check_all_ff [2022-11-03 01:44:39,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_self_check_all_ff [2022-11-03 01:44:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2022-11-03 01:44:39,715 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2022-11-03 01:44:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_eccerr [2022-11-03 01:44:39,715 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_eccerr [2022-11-03 01:44:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_close_volume [2022-11-03 01:44:39,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_close_volume [2022-11-03 01:44:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_put_peb [2022-11-03 01:44:39,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_put_peb [2022-11-03 01:44:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-03 01:44:39,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-03 01:44:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-03 01:44:39,716 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-03 01:44:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 01:44:39,716 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 01:44:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2022-11-03 01:44:39,717 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2022-11-03 01:44:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 01:44:39,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 01:44:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 01:44:39,717 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 01:44:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_wear_leveling [2022-11-03 01:44:39,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_wear_leveling [2022-11-03 01:44:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure leb_read_unlock [2022-11-03 01:44:39,718 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_read_unlock [2022-11-03 01:44:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 01:44:39,718 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 01:44:39,719 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_next_sqnum [2022-11-03 01:44:39,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_next_sqnum [2022-11-03 01:44:39,719 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_ec_hdr [2022-11-03 01:44:39,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_ec_hdr [2022-11-03 01:44:39,719 INFO L130 BoogieDeclarations]: Found specification of procedure bio_has_data [2022-11-03 01:44:39,719 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_has_data [2022-11-03 01:44:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure ltree_add_entry [2022-11-03 01:44:39,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ltree_add_entry [2022-11-03 01:44:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure volume_sysfs_close [2022-11-03 01:44:39,720 INFO L138 BoogieDeclarations]: Found implementation of procedure volume_sysfs_close [2022-11-03 01:44:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure revoke_exclusive [2022-11-03 01:44:39,720 INFO L138 BoogieDeclarations]: Found implementation of procedure revoke_exclusive [2022-11-03 01:44:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 01:44:39,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 01:44:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure return_unused_pool_pebs [2022-11-03 01:44:39,727 INFO L138 BoogieDeclarations]: Found implementation of procedure return_unused_pool_pebs [2022-11-03 01:44:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 01:44:39,728 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 01:44:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-03 01:44:39,728 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-03 01:44:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vtbl_record [2022-11-03 01:44:39,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vtbl_record [2022-11-03 01:44:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-03 01:44:39,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-03 01:44:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure erase_worker [2022-11-03 01:44:39,729 INFO L138 BoogieDeclarations]: Found implementation of procedure erase_worker [2022-11-03 01:44:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_erase [2022-11-03 01:44:39,730 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_erase [2022-11-03 01:44:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_add_to_av [2022-11-03 01:44:39,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_add_to_av [2022-11-03 01:44:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2022-11-03 01:44:39,730 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2022-11-03 01:44:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2022-11-03 01:44:39,731 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2022-11-03 01:44:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:44:39,731 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:44:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-03 01:44:39,731 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-03 01:44:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-11-03 01:44:39,732 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-11-03 01:44:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:44:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-11-03 01:44:39,732 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-11-03 01:44:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_remove_volume [2022-11-03 01:44:39,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_remove_volume [2022-11-03 01:44:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-03 01:44:39,733 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-03 01:44:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:44:39,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:44:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure ltree_lookup [2022-11-03 01:44:39,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ltree_lookup [2022-11-03 01:44:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_getgeo [2022-11-03 01:44:39,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_getgeo [2022-11-03 01:44:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-11-03 01:44:39,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-11-03 01:44:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-03 01:44:39,734 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-03 01:44:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 01:44:39,735 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 01:44:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_flush [2022-11-03 01:44:39,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_flush [2022-11-03 01:44:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_list [2022-11-03 01:44:39,735 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_list [2022-11-03 01:44:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_volumes [2022-11-03 01:44:39,736 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_volumes [2022-11-03 01:44:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure kill_volumes [2022-11-03 01:44:39,736 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_volumes [2022-11-03 01:44:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_is_bgt_disabled [2022-11-03 01:44:39,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_is_bgt_disabled [2022-11-03 01:44:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_notify_all [2022-11-03 01:44:39,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_notify_all [2022-11-03 01:44:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-03 01:44:39,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-03 01:44:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write [2022-11-03 01:44:39,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write [2022-11-03 01:44:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure imajor [2022-11-03 01:44:39,738 INFO L138 BoogieDeclarations]: Found implementation of procedure imajor [2022-11-03 01:44:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure scan_pool [2022-11-03 01:44:39,738 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_pool [2022-11-03 01:44:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-03 01:44:39,738 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-03 01:44:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure add_aeb [2022-11-03 01:44:39,739 INFO L138 BoogieDeclarations]: Found implementation of procedure add_aeb [2022-11-03 01:44:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_read [2022-11-03 01:44:39,739 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_read [2022-11-03 01:44:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_debugfs_exit [2022-11-03 01:44:39,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_debugfs_exit [2022-11-03 01:44:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure get_exclusive [2022-11-03 01:44:39,740 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exclusive [2022-11-03 01:44:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_major2num [2022-11-03 01:44:39,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_major2num [2022-11-03 01:44:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_do_get_volume_info [2022-11-03 01:44:39,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_do_get_volume_info [2022-11-03 01:44:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-11-03 01:44:39,741 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-11-03 01:44:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-03 01:44:39,741 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-03 01:44:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:44:39,741 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:44:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2022-11-03 01:44:39,741 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2022-11-03 01:44:39,742 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_volume_info [2022-11-03 01:44:39,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_volume_info [2022-11-03 01:44:39,742 INFO L130 BoogieDeclarations]: Found specification of procedure tree_destroy [2022-11-03 01:44:39,742 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_destroy [2022-11-03 01:44:39,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:44:39,742 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_ec_hdr [2022-11-03 01:44:39,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_ec_hdr [2022-11-03 01:44:39,743 INFO L130 BoogieDeclarations]: Found specification of procedure find_anchor_wl_entry [2022-11-03 01:44:39,743 INFO L138 BoogieDeclarations]: Found implementation of procedure find_anchor_wl_entry [2022-11-03 01:44:39,743 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-03 01:44:39,743 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-03 01:44:39,743 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-03 01:44:39,743 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-03 01:44:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_notify [2022-11-03 01:44:39,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_notify [2022-11-03 01:44:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure wl_tree_add [2022-11-03 01:44:39,744 INFO L138 BoogieDeclarations]: Found implementation of procedure wl_tree_add [2022-11-03 01:44:42,645 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:44:42,656 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:44:42,962 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:51:31,065 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:51:37,748 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:51:37,748 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 01:51:37,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:51:37 BoogieIcfgContainer [2022-11-03 01:51:37,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:51:37,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:51:37,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:51:37,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:51:37,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:44:27" (1/3) ... [2022-11-03 01:51:37,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62293219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:51:37, skipping insertion in model container [2022-11-03 01:51:37,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:36" (2/3) ... [2022-11-03 01:51:37,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62293219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:51:37, skipping insertion in model container [2022-11-03 01:51:37,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:51:37" (3/3) ... [2022-11-03 01:51:37,771 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2022-11-03 01:51:37,789 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:51:37,790 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:51:37,990 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:51:37,997 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6c2f979b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:51:37,997 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:51:38,022 INFO L276 IsEmpty]: Start isEmpty. Operand has 7883 states, 4852 states have (on average 1.362118713932399) internal successors, (6609), 5127 states have internal predecessors, (6609), 2765 states have call successors, (2765), 265 states have call predecessors, (2765), 264 states have return successors, (2735), 2680 states have call predecessors, (2735), 2735 states have call successors, (2735) [2022-11-03 01:51:38,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-11-03 01:51:38,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:38,065 INFO L195 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:51:38,066 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:38,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:38,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1734085313, now seen corresponding path program 1 times [2022-11-03 01:51:38,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:51:38,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322476837] [2022-11-03 01:51:38,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:38,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:51:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:40,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2022-11-03 01:51:40,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:51:40,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322476837] [2022-11-03 01:51:40,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322476837] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:40,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:51:40,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:51:40,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263291504] [2022-11-03 01:51:40,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:40,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:51:40,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:51:40,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:51:40,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:51:40,293 INFO L87 Difference]: Start difference. First operand has 7883 states, 4852 states have (on average 1.362118713932399) internal successors, (6609), 5127 states have internal predecessors, (6609), 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 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-03 01:51:44,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:51,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:55,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:00,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:00,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:52:00,994 INFO L93 Difference]: Finished difference Result 21873 states and 34043 transitions. [2022-11-03 01:52:00,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:52:00,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 277 [2022-11-03 01:52:00,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:52:01,129 INFO L225 Difference]: With dead ends: 21873 [2022-11-03 01:52:01,131 INFO L226 Difference]: Without dead ends: 13985 [2022-11-03 01:52:01,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:52:01,239 INFO L413 NwaCegarLoop]: 15879 mSDtfsCounter, 9605 mSDsluCounter, 11895 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 15 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9608 SdHoareTripleChecker+Valid, 27125 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:52:01,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9608 Valid, 27125 Invalid, 1495 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 1477 Invalid, 3 Unknown, 0 Unchecked, 19.8s Time] [2022-11-03 01:52:01,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13985 states. [2022-11-03 01:52:02,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13985 to 13954. [2022-11-03 01:52:02,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13954 states, 8617 states have (on average 1.3563885342926774) internal successors, (11688), 9062 states have internal predecessors, (11688), 4838 states have call successors, (4838), 500 states have call predecessors, (4838), 498 states have return successors, (4855), 4727 states have call predecessors, (4855), 4836 states have call successors, (4855) [2022-11-03 01:52:03,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13954 states to 13954 states and 21381 transitions. [2022-11-03 01:52:03,035 INFO L78 Accepts]: Start accepts. Automaton has 13954 states and 21381 transitions. Word has length 277 [2022-11-03 01:52:03,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:52:03,041 INFO L495 AbstractCegarLoop]: Abstraction has 13954 states and 21381 transitions. [2022-11-03 01:52:03,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-03 01:52:03,043 INFO L276 IsEmpty]: Start isEmpty. Operand 13954 states and 21381 transitions. [2022-11-03 01:52:03,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-11-03 01:52:03,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:52:03,069 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:52:03,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:52:03,070 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:52:03,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:52:03,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1153588603, now seen corresponding path program 1 times [2022-11-03 01:52:03,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:52:03,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215886422] [2022-11-03 01:52:03,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:03,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:52:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:04,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2022-11-03 01:52:04,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:52:04,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215886422] [2022-11-03 01:52:04,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215886422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:52:04,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:52:04,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:52:04,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684303567] [2022-11-03 01:52:04,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:52:04,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:52:04,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:52:04,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:52:04,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:52:04,468 INFO L87 Difference]: Start difference. First operand 13954 states and 21381 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-03 01:52:07,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:09,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 01:52:12,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:17,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:17,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:52:17,365 INFO L93 Difference]: Finished difference Result 26976 states and 41267 transitions. [2022-11-03 01:52:17,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:52:17,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 297 [2022-11-03 01:52:17,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:52:17,473 INFO L225 Difference]: With dead ends: 26976 [2022-11-03 01:52:17,473 INFO L226 Difference]: Without dead ends: 13099 [2022-11-03 01:52:17,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:52:17,788 INFO L413 NwaCegarLoop]: 10694 mSDtfsCounter, 11312 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11312 SdHoareTripleChecker+Valid, 10694 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:52:17,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11312 Valid, 10694 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2022-11-03 01:52:17,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13099 states. [2022-11-03 01:52:18,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13099 to 13099. [2022-11-03 01:52:18,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13099 states, 8066 states have (on average 1.3523431688569303) internal successors, (10908), 8482 states have internal predecessors, (10908), 4540 states have call successors, (4540), 494 states have call predecessors, (4540), 492 states have return successors, (4551), 4443 states have call predecessors, (4551), 4538 states have call successors, (4551) [2022-11-03 01:52:19,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13099 states to 13099 states and 19999 transitions. [2022-11-03 01:52:19,015 INFO L78 Accepts]: Start accepts. Automaton has 13099 states and 19999 transitions. Word has length 297 [2022-11-03 01:52:19,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:52:19,017 INFO L495 AbstractCegarLoop]: Abstraction has 13099 states and 19999 transitions. [2022-11-03 01:52:19,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-03 01:52:19,017 INFO L276 IsEmpty]: Start isEmpty. Operand 13099 states and 19999 transitions. [2022-11-03 01:52:19,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-11-03 01:52:19,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:52:19,027 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 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] [2022-11-03 01:52:19,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:52:19,028 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:52:19,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:52:19,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1193063051, now seen corresponding path program 1 times [2022-11-03 01:52:19,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:52:19,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85722641] [2022-11-03 01:52:19,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:19,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:52:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:20,217 INFO L134 CoverageAnalysis]: Checked inductivity of 3123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3123 trivial. 0 not checked. [2022-11-03 01:52:20,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:52:20,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85722641] [2022-11-03 01:52:20,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85722641] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:52:20,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:52:20,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:52:20,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870829178] [2022-11-03 01:52:20,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:52:20,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:52:20,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:52:20,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:52:20,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:52:20,221 INFO L87 Difference]: Start difference. First operand 13099 states and 19999 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-03 01:52:24,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:29,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:32,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:38,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:52:38,795 INFO L93 Difference]: Finished difference Result 39004 states and 59567 transitions. [2022-11-03 01:52:38,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:52:38,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (53), 2 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 308 [2022-11-03 01:52:38,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:52:38,935 INFO L225 Difference]: With dead ends: 39004 [2022-11-03 01:52:38,935 INFO L226 Difference]: Without dead ends: 25982 [2022-11-03 01:52:39,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:52:39,006 INFO L413 NwaCegarLoop]: 17085 mSDtfsCounter, 11187 mSDsluCounter, 11199 mSDsCounter, 0 mSdLazyCounter, 1531 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11192 SdHoareTripleChecker+Valid, 27653 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1531 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:52:39,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11192 Valid, 27653 Invalid, 1536 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1531 Invalid, 3 Unknown, 0 Unchecked, 17.6s Time] [2022-11-03 01:52:39,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25982 states. [2022-11-03 01:52:40,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25982 to 25975. [2022-11-03 01:52:40,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25975 states, 15998 states have (on average 1.353356669583698) internal successors, (21651), 16830 states have internal predecessors, (21651), 8996 states have call successors, (8996), 983 states have call predecessors, (8996), 980 states have return successors, (9028), 8803 states have call predecessors, (9028), 8994 states have call successors, (9028) [2022-11-03 01:52:41,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25975 states to 25975 states and 39675 transitions. [2022-11-03 01:52:41,141 INFO L78 Accepts]: Start accepts. Automaton has 25975 states and 39675 transitions. Word has length 308 [2022-11-03 01:52:41,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:52:41,142 INFO L495 AbstractCegarLoop]: Abstraction has 25975 states and 39675 transitions. [2022-11-03 01:52:41,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-03 01:52:41,142 INFO L276 IsEmpty]: Start isEmpty. Operand 25975 states and 39675 transitions. [2022-11-03 01:52:41,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2022-11-03 01:52:41,161 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:52:41,161 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 41, 2, 2, 2, 2, 2, 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] [2022-11-03 01:52:41,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:52:41,161 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:52:41,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:52:41,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1973221624, now seen corresponding path program 1 times [2022-11-03 01:52:41,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:52:41,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444051972] [2022-11-03 01:52:41,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:41,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:52:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:43,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3290 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3283 trivial. 0 not checked. [2022-11-03 01:52:43,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:52:43,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444051972] [2022-11-03 01:52:43,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444051972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:52:43,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:52:43,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:52:43,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838694027] [2022-11-03 01:52:43,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:52:43,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:52:43,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:52:43,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:52:43,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:52:43,179 INFO L87 Difference]: Start difference. First operand 25975 states and 39675 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-03 01:52:46,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:50,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 01:52:53,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:54,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:57,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:04,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:04,011 INFO L93 Difference]: Finished difference Result 77770 states and 118819 transitions. [2022-11-03 01:53:04,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:53:04,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 333 [2022-11-03 01:53:04,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:04,457 INFO L225 Difference]: With dead ends: 77770 [2022-11-03 01:53:04,457 INFO L226 Difference]: Without dead ends: 51872 [2022-11-03 01:53:04,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:04,594 INFO L413 NwaCegarLoop]: 13303 mSDtfsCounter, 11231 mSDsluCounter, 11206 mSDsCounter, 0 mSdLazyCounter, 1277 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11236 SdHoareTripleChecker+Valid, 23879 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1277 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:04,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11236 Valid, 23879 Invalid, 1281 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1277 Invalid, 3 Unknown, 0 Unchecked, 18.7s Time] [2022-11-03 01:53:04,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51872 states. [2022-11-03 01:53:08,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51872 to 51859. [2022-11-03 01:53:08,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51859 states, 31947 states have (on average 1.35364822988074) internal successors, (43245), 33614 states have internal predecessors, (43245), 17952 states have call successors, (17952), 1964 states have call predecessors, (17952), 1959 states have return successors, (18042), 17564 states have call predecessors, (18042), 17950 states have call successors, (18042) [2022-11-03 01:53:09,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51859 states to 51859 states and 79239 transitions. [2022-11-03 01:53:09,427 INFO L78 Accepts]: Start accepts. Automaton has 51859 states and 79239 transitions. Word has length 333 [2022-11-03 01:53:09,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:09,433 INFO L495 AbstractCegarLoop]: Abstraction has 51859 states and 79239 transitions. [2022-11-03 01:53:09,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-03 01:53:09,433 INFO L276 IsEmpty]: Start isEmpty. Operand 51859 states and 79239 transitions. [2022-11-03 01:53:09,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-11-03 01:53:09,456 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:09,456 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:53:09,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:53:09,456 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:09,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:09,457 INFO L85 PathProgramCache]: Analyzing trace with hash -716214421, now seen corresponding path program 1 times [2022-11-03 01:53:09,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:09,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400844159] [2022-11-03 01:53:09,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:09,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:10,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2818 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2818 trivial. 0 not checked. [2022-11-03 01:53:10,922 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:10,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400844159] [2022-11-03 01:53:10,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400844159] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:10,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:10,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:53:10,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297871380] [2022-11-03 01:53:10,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:10,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:53:10,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:10,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:53:10,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:10,925 INFO L87 Difference]: Start difference. First operand 51859 states and 79239 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-03 01:53:13,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:17,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:21,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:30,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:31,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:31,719 INFO L93 Difference]: Finished difference Result 128480 states and 195505 transitions. [2022-11-03 01:53:31,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:53:31,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 336 [2022-11-03 01:53:31,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:32,490 INFO L225 Difference]: With dead ends: 128480 [2022-11-03 01:53:32,490 INFO L226 Difference]: Without dead ends: 76698 [2022-11-03 01:53:32,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:32,736 INFO L413 NwaCegarLoop]: 13145 mSDtfsCounter, 10244 mSDsluCounter, 7861 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10254 SdHoareTripleChecker+Valid, 20556 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:32,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10254 Valid, 20556 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1153 Invalid, 4 Unknown, 0 Unchecked, 17.2s Time] [2022-11-03 01:53:32,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76698 states. [2022-11-03 01:53:38,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76698 to 76661. [2022-11-03 01:53:38,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76661 states, 46743 states have (on average 1.3454207047044477) internal successors, (62889), 49350 states have internal predecessors, (62889), 26668 states have call successors, (26668), 3254 states have call predecessors, (26668), 3249 states have return successors, (26742), 26020 states have call predecessors, (26742), 26666 states have call successors, (26742) [2022-11-03 01:53:39,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76661 states to 76661 states and 116299 transitions. [2022-11-03 01:53:39,109 INFO L78 Accepts]: Start accepts. Automaton has 76661 states and 116299 transitions. Word has length 336 [2022-11-03 01:53:39,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:39,110 INFO L495 AbstractCegarLoop]: Abstraction has 76661 states and 116299 transitions. [2022-11-03 01:53:39,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-03 01:53:39,111 INFO L276 IsEmpty]: Start isEmpty. Operand 76661 states and 116299 transitions. [2022-11-03 01:53:39,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-11-03 01:53:39,141 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:39,141 INFO L195 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 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] [2022-11-03 01:53:39,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:53:39,141 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:39,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:39,142 INFO L85 PathProgramCache]: Analyzing trace with hash 408325979, now seen corresponding path program 1 times [2022-11-03 01:53:39,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:39,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384226784] [2022-11-03 01:53:39,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:39,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:40,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3790 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3786 trivial. 0 not checked. [2022-11-03 01:53:40,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:40,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384226784] [2022-11-03 01:53:40,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384226784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:40,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:40,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:53:40,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228429311] [2022-11-03 01:53:40,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:40,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:53:40,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:40,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:53:40,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:40,423 INFO L87 Difference]: Start difference. First operand 76661 states and 116299 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-03 01:53:42,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:45,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:52,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:52,523 INFO L93 Difference]: Finished difference Result 153245 states and 232483 transitions. [2022-11-03 01:53:52,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:53:52,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 336 [2022-11-03 01:53:52,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:52,970 INFO L225 Difference]: With dead ends: 153245 [2022-11-03 01:53:52,970 INFO L226 Difference]: Without dead ends: 76661 [2022-11-03 01:53:53,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:53,537 INFO L413 NwaCegarLoop]: 10595 mSDtfsCounter, 11222 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11222 SdHoareTripleChecker+Valid, 10595 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:53,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11222 Valid, 10595 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2022-11-03 01:53:53,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76661 states.