./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF --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 2d0073111a5c7b021bc76098b9f15e3306b34538df9d4af329dd19631f32f125 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:37:49,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:37:49,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:37:49,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:37:49,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:37:49,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:37:49,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:37:49,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:37:50,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:37:50,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:37:50,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:37:50,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:37:50,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:37:50,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:37:50,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:37:50,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:37:50,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:37:50,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:37:50,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:37:50,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:37:50,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:37:50,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:37:50,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:37:50,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:37:50,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:37:50,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:37:50,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:37:50,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:37:50,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:37:50,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:37:50,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:37:50,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:37:50,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:37:50,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:37:50,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:37:50,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:37:50,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:37:50,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:37:50,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:37:50,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:37:50,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:37:50,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:37:50,154 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:37:50,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:37:50,156 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:37:50,157 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:37:50,157 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:37:50,157 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:37:50,158 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:37:50,158 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:37:50,158 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:37:50,159 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:37:50,160 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:37:50,160 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:37:50,161 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:37:50,161 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:37:50,161 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:37:50,162 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:37:50,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:37:50,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:37:50,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:37:50,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:37:50,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:37:50,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:37:50,164 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:37:50,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:37:50,165 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:37:50,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:37:50,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:37:50,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:37:50,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:37:50,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:37:50,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:37:50,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:37:50,170 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:37:50,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:37:50,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:37:50,178 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:37:50,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:37:50,179 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d0073111a5c7b021bc76098b9f15e3306b34538df9d4af329dd19631f32f125 [2021-11-12 23:37:50,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:37:50,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:37:50,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:37:50,568 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:37:50,569 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:37:50,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i [2021-11-12 23:37:50,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/data/249afd90c/af4f726ba1b348968715174d6c40c9f4/FLAGd3e4ad5bd [2021-11-12 23:37:51,842 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:37:51,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i [2021-11-12 23:37:51,969 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/data/249afd90c/af4f726ba1b348968715174d6c40c9f4/FLAGd3e4ad5bd [2021-11-12 23:37:52,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/data/249afd90c/af4f726ba1b348968715174d6c40c9f4 [2021-11-12 23:37:52,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:37:52,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:37:52,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:37:52,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:37:52,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:37:52,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:37:52" (1/1) ... [2021-11-12 23:37:52,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6779d213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:52, skipping insertion in model container [2021-11-12 23:37:52,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:37:52" (1/1) ... [2021-11-12 23:37:52,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:37:52,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:37:54,096 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:54,572 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:54,573 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:56,508 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:56,731 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:58,572 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:58,679 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:58,689 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:58,703 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:58,727 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:37:58,727 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:38:01,261 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659699,659712] [2021-11-12 23:38:01,264 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659844,659857] [2021-11-12 23:38:01,265 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659990,660003] [2021-11-12 23:38:01,265 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660155,660168] [2021-11-12 23:38:01,266 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660313,660326] [2021-11-12 23:38:01,266 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660471,660484] [2021-11-12 23:38:01,267 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660629,660642] [2021-11-12 23:38:01,267 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660789,660802] [2021-11-12 23:38:01,268 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660948,660961] [2021-11-12 23:38:01,268 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661087,661100] [2021-11-12 23:38:01,269 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661229,661242] [2021-11-12 23:38:01,269 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661378,661391] [2021-11-12 23:38:01,270 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661517,661530] [2021-11-12 23:38:01,270 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661672,661685] [2021-11-12 23:38:01,270 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661832,661845] [2021-11-12 23:38:01,271 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661983,661996] [2021-11-12 23:38:01,271 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662134,662147] [2021-11-12 23:38:01,272 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662286,662299] [2021-11-12 23:38:01,272 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662435,662448] [2021-11-12 23:38:01,273 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662583,662596] [2021-11-12 23:38:01,273 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662740,662753] [2021-11-12 23:38:01,274 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662889,662902] [2021-11-12 23:38:01,274 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663045,663058] [2021-11-12 23:38:01,274 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663198,663211] [2021-11-12 23:38:01,275 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663344,663357] [2021-11-12 23:38:01,275 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663487,663500] [2021-11-12 23:38:01,276 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663639,663652] [2021-11-12 23:38:01,276 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663785,663798] [2021-11-12 23:38:01,277 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663930,663943] [2021-11-12 23:38:01,277 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664084,664097] [2021-11-12 23:38:01,278 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664235,664248] [2021-11-12 23:38:01,278 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664390,664403] [2021-11-12 23:38:01,278 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664542,664555] [2021-11-12 23:38:01,279 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664697,664710] [2021-11-12 23:38:01,279 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664861,664874] [2021-11-12 23:38:01,280 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665017,665030] [2021-11-12 23:38:01,280 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665181,665194] [2021-11-12 23:38:01,281 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665323,665336] [2021-11-12 23:38:01,281 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665481,665494] [2021-11-12 23:38:01,282 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665648,665661] [2021-11-12 23:38:01,282 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665807,665820] [2021-11-12 23:38:01,283 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665966,665979] [2021-11-12 23:38:01,283 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666115,666128] [2021-11-12 23:38:01,283 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666262,666275] [2021-11-12 23:38:01,284 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666401,666414] [2021-11-12 23:38:01,284 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666564,666577] [2021-11-12 23:38:01,285 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666730,666743] [2021-11-12 23:38:01,285 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666894,666907] [2021-11-12 23:38:01,286 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667059,667072] [2021-11-12 23:38:01,286 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667224,667237] [2021-11-12 23:38:01,286 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667390,667403] [2021-11-12 23:38:01,287 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667555,667568] [2021-11-12 23:38:01,287 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667722,667735] [2021-11-12 23:38:01,288 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667882,667895] [2021-11-12 23:38:01,288 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668044,668057] [2021-11-12 23:38:01,289 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668203,668216] [2021-11-12 23:38:01,289 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668349,668362] [2021-11-12 23:38:01,290 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668492,668505] [2021-11-12 23:38:01,290 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668636,668649] [2021-11-12 23:38:01,290 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668779,668792] [2021-11-12 23:38:01,291 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668923,668936] [2021-11-12 23:38:01,291 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669064,669077] [2021-11-12 23:38:01,292 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669202,669215] [2021-11-12 23:38:01,292 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669360,669373] [2021-11-12 23:38:01,293 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669519,669532] [2021-11-12 23:38:01,293 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669675,669688] [2021-11-12 23:38:01,293 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669824,669837] [2021-11-12 23:38:01,294 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669976,669989] [2021-11-12 23:38:01,294 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670127,670140] [2021-11-12 23:38:01,295 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670276,670289] [2021-11-12 23:38:01,295 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670428,670441] [2021-11-12 23:38:01,296 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670576,670589] [2021-11-12 23:38:01,296 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670729,670742] [2021-11-12 23:38:01,296 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670880,670893] [2021-11-12 23:38:01,297 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671030,671043] [2021-11-12 23:38:01,297 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671177,671190] [2021-11-12 23:38:01,298 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671328,671341] [2021-11-12 23:38:01,298 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671479,671492] [2021-11-12 23:38:01,299 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671627,671640] [2021-11-12 23:38:01,299 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671793,671806] [2021-11-12 23:38:01,299 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671962,671975] [2021-11-12 23:38:01,300 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672129,672142] [2021-11-12 23:38:01,300 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672297,672310] [2021-11-12 23:38:01,301 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672447,672460] [2021-11-12 23:38:01,301 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672594,672607] [2021-11-12 23:38:01,302 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672755,672768] [2021-11-12 23:38:01,302 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672925,672938] [2021-11-12 23:38:01,302 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[673087,673100] [2021-11-12 23:38:01,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:38:01,372 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:38:01,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64bad654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:01, skipping insertion in model container [2021-11-12 23:38:01,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:38:01,373 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:38:01,375 INFO L158 Benchmark]: Toolchain (without parser) took 9288.62ms. Allocated memory was 125.8MB in the beginning and 192.9MB in the end (delta: 67.1MB). Free memory was 91.7MB in the beginning and 106.8MB in the end (delta: -15.2MB). Peak memory consumption was 93.3MB. Max. memory is 16.1GB. [2021-11-12 23:38:01,375 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:38:01,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 9283.55ms. Allocated memory was 125.8MB in the beginning and 192.9MB in the end (delta: 67.1MB). Free memory was 91.4MB in the beginning and 106.8MB in the end (delta: -15.4MB). Peak memory consumption was 93.3MB. Max. memory is 16.1GB. [2021-11-12 23:38:01,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 9283.55ms. Allocated memory was 125.8MB in the beginning and 192.9MB in the end (delta: 67.1MB). Free memory was 91.4MB in the beginning and 106.8MB in the end (delta: -15.4MB). Peak memory consumption was 93.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7319]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF --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 2d0073111a5c7b021bc76098b9f15e3306b34538df9d4af329dd19631f32f125 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:38:03,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:38:03,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:38:03,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:38:03,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:38:03,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:38:03,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:38:03,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:38:03,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:38:03,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:38:03,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:38:03,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:38:03,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:38:03,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:38:03,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:38:03,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:38:03,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:38:03,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:38:03,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:38:03,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:38:03,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:38:03,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:38:03,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:38:03,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:38:03,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:38:03,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:38:03,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:38:03,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:38:03,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:38:03,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:38:03,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:38:03,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:38:03,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:38:03,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:38:03,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:38:03,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:38:03,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:38:03,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:38:03,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:38:03,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:38:03,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:38:03,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:38:03,768 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:38:03,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:38:03,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:38:03,770 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:38:03,770 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:38:03,770 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:38:03,770 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:38:03,770 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:38:03,771 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:38:03,771 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:38:03,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:38:03,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:38:03,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:38:03,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:38:03,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:38:03,774 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:38:03,774 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:38:03,775 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:38:03,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:38:03,775 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:38:03,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:38:03,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:38:03,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:38:03,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:38:03,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:38:03,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:38:03,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:38:03,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:38:03,777 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:38:03,777 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:38:03,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:38:03,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:38:03,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:38:03,778 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d0073111a5c7b021bc76098b9f15e3306b34538df9d4af329dd19631f32f125 [2021-11-12 23:38:04,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:38:04,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:38:04,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:38:04,179 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:38:04,179 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:38:04,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i [2021-11-12 23:38:04,249 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/data/35bd145f7/ff9ab6ec91154ca3aaa71410d7792926/FLAG007023ca3 [2021-11-12 23:38:05,353 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:38:05,354 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i [2021-11-12 23:38:05,454 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/data/35bd145f7/ff9ab6ec91154ca3aaa71410d7792926/FLAG007023ca3 [2021-11-12 23:38:05,573 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/data/35bd145f7/ff9ab6ec91154ca3aaa71410d7792926 [2021-11-12 23:38:05,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:38:05,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:38:05,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:38:05,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:38:05,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:38:05,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:38:05" (1/1) ... [2021-11-12 23:38:05,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4017f445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:05, skipping insertion in model container [2021-11-12 23:38:05,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:38:05" (1/1) ... [2021-11-12 23:38:05,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:38:05,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:38:14,520 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659699,659712] [2021-11-12 23:38:14,523 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659844,659857] [2021-11-12 23:38:14,524 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659990,660003] [2021-11-12 23:38:14,524 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660155,660168] [2021-11-12 23:38:14,525 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660313,660326] [2021-11-12 23:38:14,525 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660471,660484] [2021-11-12 23:38:14,526 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660629,660642] [2021-11-12 23:38:14,526 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660789,660802] [2021-11-12 23:38:14,527 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660948,660961] [2021-11-12 23:38:14,527 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661087,661100] [2021-11-12 23:38:14,528 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661229,661242] [2021-11-12 23:38:14,528 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661378,661391] [2021-11-12 23:38:14,529 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661517,661530] [2021-11-12 23:38:14,529 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661672,661685] [2021-11-12 23:38:14,530 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661832,661845] [2021-11-12 23:38:14,530 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661983,661996] [2021-11-12 23:38:14,531 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662134,662147] [2021-11-12 23:38:14,531 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662286,662299] [2021-11-12 23:38:14,532 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662435,662448] [2021-11-12 23:38:14,532 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662583,662596] [2021-11-12 23:38:14,532 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662740,662753] [2021-11-12 23:38:14,533 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662889,662902] [2021-11-12 23:38:14,533 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663045,663058] [2021-11-12 23:38:14,534 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663198,663211] [2021-11-12 23:38:14,534 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663344,663357] [2021-11-12 23:38:14,535 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663487,663500] [2021-11-12 23:38:14,535 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663639,663652] [2021-11-12 23:38:14,536 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663785,663798] [2021-11-12 23:38:14,536 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663930,663943] [2021-11-12 23:38:14,537 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664084,664097] [2021-11-12 23:38:14,537 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664235,664248] [2021-11-12 23:38:14,538 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664390,664403] [2021-11-12 23:38:14,538 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664542,664555] [2021-11-12 23:38:14,538 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664697,664710] [2021-11-12 23:38:14,539 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664861,664874] [2021-11-12 23:38:14,548 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665017,665030] [2021-11-12 23:38:14,548 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665181,665194] [2021-11-12 23:38:14,549 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665323,665336] [2021-11-12 23:38:14,549 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665481,665494] [2021-11-12 23:38:14,550 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665648,665661] [2021-11-12 23:38:14,550 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665807,665820] [2021-11-12 23:38:14,551 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665966,665979] [2021-11-12 23:38:14,551 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666115,666128] [2021-11-12 23:38:14,552 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666262,666275] [2021-11-12 23:38:14,552 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666401,666414] [2021-11-12 23:38:14,552 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666564,666577] [2021-11-12 23:38:14,553 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666730,666743] [2021-11-12 23:38:14,554 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666894,666907] [2021-11-12 23:38:14,554 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667059,667072] [2021-11-12 23:38:14,554 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667224,667237] [2021-11-12 23:38:14,555 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667390,667403] [2021-11-12 23:38:14,555 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667555,667568] [2021-11-12 23:38:14,556 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667722,667735] [2021-11-12 23:38:14,556 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667882,667895] [2021-11-12 23:38:14,558 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668044,668057] [2021-11-12 23:38:14,558 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668203,668216] [2021-11-12 23:38:14,559 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668349,668362] [2021-11-12 23:38:14,561 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668492,668505] [2021-11-12 23:38:14,562 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668636,668649] [2021-11-12 23:38:14,562 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668779,668792] [2021-11-12 23:38:14,563 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668923,668936] [2021-11-12 23:38:14,567 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669064,669077] [2021-11-12 23:38:14,567 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669202,669215] [2021-11-12 23:38:14,568 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669360,669373] [2021-11-12 23:38:14,568 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669519,669532] [2021-11-12 23:38:14,569 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669675,669688] [2021-11-12 23:38:14,569 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669824,669837] [2021-11-12 23:38:14,569 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669976,669989] [2021-11-12 23:38:14,570 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670127,670140] [2021-11-12 23:38:14,570 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670276,670289] [2021-11-12 23:38:14,571 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670428,670441] [2021-11-12 23:38:14,571 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670576,670589] [2021-11-12 23:38:14,572 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670729,670742] [2021-11-12 23:38:14,572 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670880,670893] [2021-11-12 23:38:14,572 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671030,671043] [2021-11-12 23:38:14,573 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671177,671190] [2021-11-12 23:38:14,573 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671328,671341] [2021-11-12 23:38:14,574 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671479,671492] [2021-11-12 23:38:14,574 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671627,671640] [2021-11-12 23:38:14,574 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671793,671806] [2021-11-12 23:38:14,575 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671962,671975] [2021-11-12 23:38:14,575 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672129,672142] [2021-11-12 23:38:14,576 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672297,672310] [2021-11-12 23:38:14,576 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672447,672460] [2021-11-12 23:38:14,576 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672594,672607] [2021-11-12 23:38:14,577 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672755,672768] [2021-11-12 23:38:14,577 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672925,672938] [2021-11-12 23:38:14,578 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[673087,673100] [2021-11-12 23:38:14,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:38:14,697 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:38:14,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:38:15,402 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659699,659712] [2021-11-12 23:38:15,404 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659844,659857] [2021-11-12 23:38:15,404 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659990,660003] [2021-11-12 23:38:15,405 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660155,660168] [2021-11-12 23:38:15,406 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660313,660326] [2021-11-12 23:38:15,407 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660471,660484] [2021-11-12 23:38:15,407 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660629,660642] [2021-11-12 23:38:15,408 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660789,660802] [2021-11-12 23:38:15,409 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660948,660961] [2021-11-12 23:38:15,410 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661087,661100] [2021-11-12 23:38:15,411 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661229,661242] [2021-11-12 23:38:15,411 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661378,661391] [2021-11-12 23:38:15,413 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661517,661530] [2021-11-12 23:38:15,413 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661672,661685] [2021-11-12 23:38:15,414 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661832,661845] [2021-11-12 23:38:15,415 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661983,661996] [2021-11-12 23:38:15,415 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662134,662147] [2021-11-12 23:38:15,416 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662286,662299] [2021-11-12 23:38:15,416 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662435,662448] [2021-11-12 23:38:15,417 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662583,662596] [2021-11-12 23:38:15,417 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662740,662753] [2021-11-12 23:38:15,418 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662889,662902] [2021-11-12 23:38:15,419 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663045,663058] [2021-11-12 23:38:15,419 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663198,663211] [2021-11-12 23:38:15,420 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663344,663357] [2021-11-12 23:38:15,420 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663487,663500] [2021-11-12 23:38:15,421 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663639,663652] [2021-11-12 23:38:15,421 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663785,663798] [2021-11-12 23:38:15,422 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663930,663943] [2021-11-12 23:38:15,422 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664084,664097] [2021-11-12 23:38:15,422 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664235,664248] [2021-11-12 23:38:15,423 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664390,664403] [2021-11-12 23:38:15,424 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664542,664555] [2021-11-12 23:38:15,424 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664697,664710] [2021-11-12 23:38:15,424 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664861,664874] [2021-11-12 23:38:15,425 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665017,665030] [2021-11-12 23:38:15,425 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665181,665194] [2021-11-12 23:38:15,426 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665323,665336] [2021-11-12 23:38:15,427 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665481,665494] [2021-11-12 23:38:15,427 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665648,665661] [2021-11-12 23:38:15,428 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665807,665820] [2021-11-12 23:38:15,429 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665966,665979] [2021-11-12 23:38:15,429 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666115,666128] [2021-11-12 23:38:15,430 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666262,666275] [2021-11-12 23:38:15,430 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666401,666414] [2021-11-12 23:38:15,431 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666564,666577] [2021-11-12 23:38:15,431 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666730,666743] [2021-11-12 23:38:15,434 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666894,666907] [2021-11-12 23:38:15,434 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667059,667072] [2021-11-12 23:38:15,434 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667224,667237] [2021-11-12 23:38:15,435 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667390,667403] [2021-11-12 23:38:15,435 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667555,667568] [2021-11-12 23:38:15,436 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667722,667735] [2021-11-12 23:38:15,436 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667882,667895] [2021-11-12 23:38:15,437 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668044,668057] [2021-11-12 23:38:15,437 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668203,668216] [2021-11-12 23:38:15,437 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668349,668362] [2021-11-12 23:38:15,438 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668492,668505] [2021-11-12 23:38:15,439 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668636,668649] [2021-11-12 23:38:15,440 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668779,668792] [2021-11-12 23:38:15,442 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668923,668936] [2021-11-12 23:38:15,443 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669064,669077] [2021-11-12 23:38:15,443 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669202,669215] [2021-11-12 23:38:15,446 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669360,669373] [2021-11-12 23:38:15,447 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669519,669532] [2021-11-12 23:38:15,448 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669675,669688] [2021-11-12 23:38:15,448 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669824,669837] [2021-11-12 23:38:15,449 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669976,669989] [2021-11-12 23:38:15,449 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670127,670140] [2021-11-12 23:38:15,455 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670276,670289] [2021-11-12 23:38:15,455 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670428,670441] [2021-11-12 23:38:15,456 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670576,670589] [2021-11-12 23:38:15,456 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670729,670742] [2021-11-12 23:38:15,457 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670880,670893] [2021-11-12 23:38:15,457 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671030,671043] [2021-11-12 23:38:15,457 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671177,671190] [2021-11-12 23:38:15,458 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671328,671341] [2021-11-12 23:38:15,458 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671479,671492] [2021-11-12 23:38:15,460 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671627,671640] [2021-11-12 23:38:15,460 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671793,671806] [2021-11-12 23:38:15,461 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671962,671975] [2021-11-12 23:38:15,462 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672129,672142] [2021-11-12 23:38:15,462 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672297,672310] [2021-11-12 23:38:15,462 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672447,672460] [2021-11-12 23:38:15,463 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672594,672607] [2021-11-12 23:38:15,463 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672755,672768] [2021-11-12 23:38:15,464 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672925,672938] [2021-11-12 23:38:15,464 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[673087,673100] [2021-11-12 23:38:15,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:38:15,503 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:38:16,563 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659699,659712] [2021-11-12 23:38:16,564 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659844,659857] [2021-11-12 23:38:16,564 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659990,660003] [2021-11-12 23:38:16,565 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660155,660168] [2021-11-12 23:38:16,565 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660313,660326] [2021-11-12 23:38:16,565 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660471,660484] [2021-11-12 23:38:16,566 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660629,660642] [2021-11-12 23:38:16,566 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660789,660802] [2021-11-12 23:38:16,566 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660948,660961] [2021-11-12 23:38:16,567 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661087,661100] [2021-11-12 23:38:16,567 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661229,661242] [2021-11-12 23:38:16,568 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661378,661391] [2021-11-12 23:38:16,568 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661517,661530] [2021-11-12 23:38:16,568 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661672,661685] [2021-11-12 23:38:16,569 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661832,661845] [2021-11-12 23:38:16,569 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661983,661996] [2021-11-12 23:38:16,569 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662134,662147] [2021-11-12 23:38:16,570 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662286,662299] [2021-11-12 23:38:16,570 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662435,662448] [2021-11-12 23:38:16,571 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662583,662596] [2021-11-12 23:38:16,571 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662740,662753] [2021-11-12 23:38:16,571 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662889,662902] [2021-11-12 23:38:16,572 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663045,663058] [2021-11-12 23:38:16,572 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663198,663211] [2021-11-12 23:38:16,573 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663344,663357] [2021-11-12 23:38:16,573 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663487,663500] [2021-11-12 23:38:16,575 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663639,663652] [2021-11-12 23:38:16,576 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663785,663798] [2021-11-12 23:38:16,576 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663930,663943] [2021-11-12 23:38:16,576 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664084,664097] [2021-11-12 23:38:16,577 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664235,664248] [2021-11-12 23:38:16,577 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664390,664403] [2021-11-12 23:38:16,578 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664542,664555] [2021-11-12 23:38:16,578 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664697,664710] [2021-11-12 23:38:16,578 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664861,664874] [2021-11-12 23:38:16,579 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665017,665030] [2021-11-12 23:38:16,579 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665181,665194] [2021-11-12 23:38:16,580 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665323,665336] [2021-11-12 23:38:16,581 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665481,665494] [2021-11-12 23:38:16,581 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665648,665661] [2021-11-12 23:38:16,582 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665807,665820] [2021-11-12 23:38:16,582 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665966,665979] [2021-11-12 23:38:16,582 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666115,666128] [2021-11-12 23:38:16,584 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666262,666275] [2021-11-12 23:38:16,584 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666401,666414] [2021-11-12 23:38:16,585 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666564,666577] [2021-11-12 23:38:16,585 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666730,666743] [2021-11-12 23:38:16,585 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666894,666907] [2021-11-12 23:38:16,586 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667059,667072] [2021-11-12 23:38:16,586 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667224,667237] [2021-11-12 23:38:16,587 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667390,667403] [2021-11-12 23:38:16,588 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667555,667568] [2021-11-12 23:38:16,588 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667722,667735] [2021-11-12 23:38:16,589 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667882,667895] [2021-11-12 23:38:16,589 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668044,668057] [2021-11-12 23:38:16,589 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668203,668216] [2021-11-12 23:38:16,590 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668349,668362] [2021-11-12 23:38:16,590 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668492,668505] [2021-11-12 23:38:16,591 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668636,668649] [2021-11-12 23:38:16,591 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668779,668792] [2021-11-12 23:38:16,591 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668923,668936] [2021-11-12 23:38:16,592 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669064,669077] [2021-11-12 23:38:16,592 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669202,669215] [2021-11-12 23:38:16,592 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669360,669373] [2021-11-12 23:38:16,593 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669519,669532] [2021-11-12 23:38:16,593 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669675,669688] [2021-11-12 23:38:16,593 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669824,669837] [2021-11-12 23:38:16,594 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669976,669989] [2021-11-12 23:38:16,594 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670127,670140] [2021-11-12 23:38:16,594 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670276,670289] [2021-11-12 23:38:16,595 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670428,670441] [2021-11-12 23:38:16,596 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670576,670589] [2021-11-12 23:38:16,597 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670729,670742] [2021-11-12 23:38:16,597 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670880,670893] [2021-11-12 23:38:16,597 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671030,671043] [2021-11-12 23:38:16,598 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671177,671190] [2021-11-12 23:38:16,598 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671328,671341] [2021-11-12 23:38:16,599 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671479,671492] [2021-11-12 23:38:16,599 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671627,671640] [2021-11-12 23:38:16,605 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671793,671806] [2021-11-12 23:38:16,609 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671962,671975] [2021-11-12 23:38:16,610 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672129,672142] [2021-11-12 23:38:16,611 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672297,672310] [2021-11-12 23:38:16,611 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672447,672460] [2021-11-12 23:38:16,611 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672594,672607] [2021-11-12 23:38:16,612 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672755,672768] [2021-11-12 23:38:16,612 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672925,672938] [2021-11-12 23:38:16,612 WARN L228 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_3836a76a-795e-4dc4-81aa-505effb94e9c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[673087,673100] [2021-11-12 23:38:16,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:38:17,229 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:38:17,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:17 WrapperNode [2021-11-12 23:38:17,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:38:17,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:38:17,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:38:17,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:38:17,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:17" (1/1) ... [2021-11-12 23:38:17,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:17" (1/1) ... [2021-11-12 23:38:17,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:38:17,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:38:17,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:38:17,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:38:17,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:17" (1/1) ... [2021-11-12 23:38:17,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:17" (1/1) ... [2021-11-12 23:38:17,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:17" (1/1) ... [2021-11-12 23:38:17,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:17" (1/1) ... [2021-11-12 23:38:18,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:17" (1/1) ... [2021-11-12 23:38:18,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:17" (1/1) ... [2021-11-12 23:38:18,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:17" (1/1) ... [2021-11-12 23:38:18,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:38:18,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:38:18,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:38:18,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:38:18,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:17" (1/1) ... [2021-11-12 23:38:18,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:38:18,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:38:18,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:38:18,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:38:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2021-11-12 23:38:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2021-11-12 23:38:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-12 23:38:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2021-11-12 23:38:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2021-11-12 23:38:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_DeleteNSEntry [2021-11-12 23:38:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_DeleteNSEntry [2021-11-12 23:38:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ncp__io2vol [2021-11-12 23:38:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp__io2vol [2021-11-12 23:38:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 23:38:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 23:38:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_dates [2021-11-12 23:38:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_dates [2021-11-12 23:38:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure __ncp_start_request [2021-11-12 23:38:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __ncp_start_request [2021-11-12 23:38:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-12 23:38:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-12 23:38:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:38:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:38:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_obtain_info [2021-11-12 23:38:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_obtain_info [2021-11-12 23:38:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_file_write [2021-11-12 23:38:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_file_write [2021-11-12 23:38:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2021-11-12 23:38:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2021-11-12 23:38:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure sign_packet [2021-11-12 23:38:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure sign_packet [2021-11-12 23:38:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_file_mmap_fault [2021-11-12 23:38:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_file_mmap_fault [2021-11-12 23:38:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_obtain_nfs_info [2021-11-12 23:38:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_obtain_nfs_info [2021-11-12 23:38:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure grab_cache_page [2021-11-12 23:38:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure grab_cache_page [2021-11-12 23:38:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___1 [2021-11-12 23:38:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___1 [2021-11-12 23:38:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___0 [2021-11-12 23:38:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___0 [2021-11-12 23:38:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_make_open [2021-11-12 23:38:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_make_open [2021-11-12 23:38:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-12 23:38:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-12 23:38:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-11-12 23:38:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-11-12 23:38:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-12 23:38:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-12 23:38:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2021-11-12 23:38:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2021-11-12 23:38:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:38:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:38:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 23:38:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 23:38:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_ioctl [2021-11-12 23:38:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_ioctl [2021-11-12 23:38:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 23:38:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 23:38:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2021-11-12 23:38:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2021-11-12 23:38:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure iunique [2021-11-12 23:38:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure iunique [2021-11-12 23:38:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_le16 [2021-11-12 23:38:18,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_le16 [2021-11-12 23:38:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:38:18,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:38:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_statfs [2021-11-12 23:38:18,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_statfs [2021-11-12 23:38:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure assert_server_locked [2021-11-12 23:38:18,404 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_server_locked [2021-11-12 23:38:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-12 23:38:18,404 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-12 23:38:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_write_kernel [2021-11-12 23:38:18,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_write_kernel [2021-11-12 23:38:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 23:38:18,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 23:38:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_byte [2021-11-12 23:38:18,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_byte [2021-11-12 23:38:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:38:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-12 23:38:18,405 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-12 23:38:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_write [2021-11-12 23:38:18,405 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_write [2021-11-12 23:38:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-12 23:38:18,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-12 23:38:18,406 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_destroy_inode [2021-11-12 23:38:18,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_destroy_inode [2021-11-12 23:38:18,406 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_attrs [2021-11-12 23:38:18,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_attrs [2021-11-12 23:38:18,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:38:18,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:38:18,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:38:18,407 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 23:38:18,407 INFO L130 BoogieDeclarations]: Found specification of procedure bdi_destroy [2021-11-12 23:38:18,407 INFO L138 BoogieDeclarations]: Found implementation of procedure bdi_destroy [2021-11-12 23:38:18,407 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-12 23:38:18,407 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-12 23:38:18,407 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_get_volume_root [2021-11-12 23:38:18,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_get_volume_root [2021-11-12 23:38:18,408 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-12 23:38:18,408 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-12 23:38:18,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_ncp_server [2021-11-12 23:38:18,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_ncp_server [2021-11-12 23:38:18,408 INFO L130 BoogieDeclarations]: Found specification of procedure unload_nls [2021-11-12 23:38:18,408 INFO L138 BoogieDeclarations]: Found implementation of procedure unload_nls [2021-11-12 23:38:18,408 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_request [2021-11-12 23:38:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_request [2021-11-12 23:38:18,409 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_date_dos2unix [2021-11-12 23:38:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_date_dos2unix [2021-11-12 23:38:18,409 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_new_dentry [2021-11-12 23:38:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_new_dentry [2021-11-12 23:38:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2021-11-12 23:38:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2021-11-12 23:38:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-12 23:38:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-12 23:38:18,411 INFO L130 BoogieDeclarations]: Found specification of procedure nls_tolower [2021-11-12 23:38:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure nls_tolower [2021-11-12 23:38:18,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:38:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:38:18,411 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-12 23:38:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-12 23:38:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_mutex_of_ncp_inode_info [2021-11-12 23:38:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_mutex_of_ncp_inode_info [2021-11-12 23:38:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_page [2021-11-12 23:38:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_page [2021-11-12 23:38:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-11-12 23:38:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-11-12 23:38:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure dir_emit [2021-11-12 23:38:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dir_emit [2021-11-12 23:38:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:38:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2021-11-12 23:38:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2021-11-12 23:38:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2021-11-12 23:38:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2021-11-12 23:38:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-12 23:38:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_146 [2021-11-12 23:38:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_146 [2021-11-12 23:38:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_rmdir [2021-11-12 23:38:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_rmdir [2021-11-12 23:38:18,416 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-12 23:38:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-12 23:38:18,416 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_file_read [2021-11-12 23:38:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_file_read [2021-11-12 23:38:18,416 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2021-11-12 23:38:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2021-11-12 23:38:18,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_i_mutex_of_inode [2021-11-12 23:38:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_i_mutex_of_inode [2021-11-12 23:38:18,417 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_compat_ioctl [2021-11-12 23:38:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_compat_ioctl [2021-11-12 23:38:18,417 INFO L130 BoogieDeclarations]: Found specification of procedure WSET_LH [2021-11-12 23:38:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure WSET_LH [2021-11-12 23:38:18,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:38:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:38:18,418 INFO L130 BoogieDeclarations]: Found specification of procedure setattr_copy [2021-11-12 23:38:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setattr_copy [2021-11-12 23:38:18,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-12 23:38:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-12 23:38:18,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2021-11-12 23:38:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2021-11-12 23:38:18,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 23:38:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 23:38:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_data [2021-11-12 23:38:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_data [2021-11-12 23:38:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:38:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 23:38:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 23:38:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 23:38:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 23:38:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:38:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-12 23:38:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-12 23:38:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_d_prune [2021-11-12 23:38:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_d_prune [2021-11-12 23:38:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2021-11-12 23:38:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2021-11-12 23:38:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_byte [2021-11-12 23:38:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_byte [2021-11-12 23:38:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_init_header [2021-11-12 23:38:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_init_header [2021-11-12 23:38:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure pagecache_get_page [2021-11-12 23:38:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure pagecache_get_page [2021-11-12 23:38:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_mem [2021-11-12 23:38:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_mem [2021-11-12 23:38:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure kill_anon_super [2021-11-12 23:38:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_anon_super [2021-11-12 23:38:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_root_setup_lock_of_ncp_server [2021-11-12 23:38:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_root_setup_lock_of_ncp_server [2021-11-12 23:38:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_is_server_root [2021-11-12 23:38:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_is_server_root [2021-11-12 23:38:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_is_nfs_extras [2021-11-12 23:38:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_is_nfs_extras [2021-11-12 23:38:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_release [2021-11-12 23:38:18,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_release [2021-11-12 23:38:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 23:38:18,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 23:38:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure ncpdgram_send [2021-11-12 23:38:18,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ncpdgram_send [2021-11-12 23:38:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 23:38:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 23:38:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-11-12 23:38:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-11-12 23:38:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_inode_close [2021-11-12 23:38:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_inode_close [2021-11-12 23:38:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure NCP_FINFO [2021-11-12 23:38:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure NCP_FINFO [2021-11-12 23:38:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure ncp__vol2io [2021-11-12 23:38:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp__vol2io [2021-11-12 23:38:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_creq_mutex_of_NOT_ARG_SIGN [2021-11-12 23:38:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_creq_mutex_of_NOT_ARG_SIGN [2021-11-12 23:38:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_RenameNSEntry [2021-11-12 23:38:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_RenameNSEntry [2021-11-12 23:38:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_i_mutex_of_inode [2021-11-12 23:38:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_i_mutex_of_inode [2021-11-12 23:38:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-12 23:38:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-12 23:38:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_notify_change [2021-11-12 23:38:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_notify_change [2021-11-12 23:38:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_75 [2021-11-12 23:38:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_75 [2021-11-12 23:38:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_dword [2021-11-12 23:38:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_dword [2021-11-12 23:38:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 23:38:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 23:38:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:38:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure mark_inode_dirty [2021-11-12 23:38:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure mark_inode_dirty [2021-11-12 23:38:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_inode [2021-11-12 23:38:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_inode [2021-11-12 23:38:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:38:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:38:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:38:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_del_file_or_subdir [2021-11-12 23:38:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_del_file_or_subdir [2021-11-12 23:38:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:38:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:38:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_create_new [2021-11-12 23:38:18,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_create_new [2021-11-12 23:38:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-11-12 23:38:18,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-11-12 23:38:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_init_request [2021-11-12 23:38:18,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_init_request [2021-11-12 23:38:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure PageUptodate [2021-11-12 23:38:18,430 INFO L138 BoogieDeclarations]: Found implementation of procedure PageUptodate [2021-11-12 23:38:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-12 23:38:18,430 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-12 23:38:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2021-11-12 23:38:18,430 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2021-11-12 23:38:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure NCP_SBP [2021-11-12 23:38:18,431 INFO L138 BoogieDeclarations]: Found implementation of procedure NCP_SBP [2021-11-12 23:38:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2021-11-12 23:38:18,431 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2021-11-12 23:38:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_hash_dentry [2021-11-12 23:38:18,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_hash_dentry [2021-11-12 23:38:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure load_nls_default [2021-11-12 23:38:18,431 INFO L138 BoogieDeclarations]: Found implementation of procedure load_nls_default [2021-11-12 23:38:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-12 23:38:18,432 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-12 23:38:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_open_create_file_or_subdir [2021-11-12 23:38:18,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_open_create_file_or_subdir [2021-11-12 23:38:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 23:38:18,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 23:38:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-12 23:38:18,432 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-12 23:38:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:38:18,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:38:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~wchar_t~0~X~$Pointer$~X~C_INT~TO~C_INT [2021-11-12 23:38:18,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~wchar_t~0~X~$Pointer$~X~C_INT~TO~C_INT [2021-11-12 23:38:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure WVAL_LH___0 [2021-11-12 23:38:18,433 INFO L138 BoogieDeclarations]: Found implementation of procedure WVAL_LH___0 [2021-11-12 23:38:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure d_rehash [2021-11-12 23:38:18,433 INFO L138 BoogieDeclarations]: Found implementation of procedure d_rehash [2021-11-12 23:38:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_evict_inode [2021-11-12 23:38:18,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_evict_inode [2021-11-12 23:38:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_show_options [2021-11-12 23:38:18,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_show_options [2021-11-12 23:38:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-12 23:38:18,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-12 23:38:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 23:38:18,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 23:38:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure generic_file_llseek [2021-11-12 23:38:18,435 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_file_llseek [2021-11-12 23:38:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_before_release_sock [2021-11-12 23:38:18,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_before_release_sock [2021-11-12 23:38:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_be16 [2021-11-12 23:38:18,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_be16 [2021-11-12 23:38:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_make_closed [2021-11-12 23:38:18,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_make_closed [2021-11-12 23:38:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:38:18,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:38:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_del_file_or_subdir2 [2021-11-12 23:38:18,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_del_file_or_subdir2 [2021-11-12 23:38:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_modify_nfs_info [2021-11-12 23:38:18,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_modify_nfs_info [2021-11-12 23:38:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_case_sensitive [2021-11-12 23:38:18,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_case_sensitive [2021-11-12 23:38:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:38:18,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:38:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-12 23:38:18,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-12 23:38:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_inodecache [2021-11-12 23:38:18,437 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_inodecache [2021-11-12 23:38:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:38:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure __ncp_abort_request [2021-11-12 23:38:18,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __ncp_abort_request [2021-11-12 23:38:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:38:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:38:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2021-11-12 23:38:18,438 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2021-11-12 23:38:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-12 23:38:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_word [2021-11-12 23:38:18,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_word [2021-11-12 23:38:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_dword_lh [2021-11-12 23:38:18,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_dword_lh [2021-11-12 23:38:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_do_request [2021-11-12 23:38:18,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_do_request [2021-11-12 23:38:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-12 23:38:18,439 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-12 23:38:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_inode_close___3 [2021-11-12 23:38:18,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_inode_close___3 [2021-11-12 23:38:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_date_unix2dos [2021-11-12 23:38:18,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_date_unix2dos [2021-11-12 23:38:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-12 23:38:18,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-12 23:38:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-12 23:38:18,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-12 23:38:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:38:18,441 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:38:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_ren_or_mov_file_or_subdir [2021-11-12 23:38:18,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_ren_or_mov_file_or_subdir [2021-11-12 23:38:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 23:38:18,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 23:38:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-11-12 23:38:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-11-12 23:38:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_creq_mutex_of_NOT_ARG_SIGN [2021-11-12 23:38:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_creq_mutex_of_NOT_ARG_SIGN [2021-11-12 23:38:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_request2 [2021-11-12 23:38:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_request2 [2021-11-12 23:38:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 23:38:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 23:38:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_init_request_s [2021-11-12 23:38:18,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_init_request_s [2021-11-12 23:38:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-12 23:38:18,443 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-12 23:38:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 23:38:18,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 23:38:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_lock_server [2021-11-12 23:38:18,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_lock_server [2021-11-12 23:38:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:38:18,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:38:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure DSET_LH [2021-11-12 23:38:18,444 INFO L138 BoogieDeclarations]: Found implementation of procedure DSET_LH [2021-11-12 23:38:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_close_file [2021-11-12 23:38:18,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_close_file [2021-11-12 23:38:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure nwsign [2021-11-12 23:38:18,444 INFO L138 BoogieDeclarations]: Found implementation of procedure nwsign [2021-11-12 23:38:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-11-12 23:38:18,445 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-11-12 23:38:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_known_namespace [2021-11-12 23:38:18,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_known_namespace [2021-11-12 23:38:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~X~~loff_t~0~X~~u64~0~X~C_UINT~TO~C_INT [2021-11-12 23:38:18,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~X~~loff_t~0~X~~u64~0~X~C_UINT~TO~C_INT [2021-11-12 23:38:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:38:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:38:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:38:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure load_nls [2021-11-12 23:38:18,575 INFO L138 BoogieDeclarations]: Found implementation of procedure load_nls [2021-11-12 23:38:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_sock__double_release [2021-11-12 23:38:18,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_sock__double_release [2021-11-12 23:38:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure DVAL_LH___0 [2021-11-12 23:38:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure DVAL_LH___0 [2021-11-12 23:38:18,576 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_readdir [2021-11-12 23:38:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_readdir [2021-11-12 23:38:18,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 23:38:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 23:38:18,576 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-11-12 23:38:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-11-12 23:38:18,576 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_read_kernel [2021-11-12 23:38:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_read_kernel [2021-11-12 23:38:18,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:38:18,577 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-12 23:38:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-12 23:38:18,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:38:18,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:38:18,577 INFO L130 BoogieDeclarations]: Found specification of procedure rol32 [2021-11-12 23:38:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rol32 [2021-11-12 23:38:18,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:38:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:38:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:38:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:38:18,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:38:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-11-12 23:38:18,578 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-11-12 23:38:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:38:18,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:38:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_disconnect [2021-11-12 23:38:18,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_disconnect [2021-11-12 23:38:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure inode_permission [2021-11-12 23:38:18,579 INFO L138 BoogieDeclarations]: Found implementation of procedure inode_permission [2021-11-12 23:38:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_extract_file_info [2021-11-12 23:38:18,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_extract_file_info [2021-11-12 23:38:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_modify_file_or_subdir_dos_info_path [2021-11-12 23:38:18,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_modify_file_or_subdir_dos_info_path [2021-11-12 23:38:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_put_super [2021-11-12 23:38:18,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_put_super [2021-11-12 23:38:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_lookup_volume [2021-11-12 23:38:18,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_lookup_volume [2021-11-12 23:38:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure __ncptcp_try_send [2021-11-12 23:38:18,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __ncptcp_try_send [2021-11-12 23:38:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-11-12 23:38:18,580 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-11-12 23:38:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-12 23:38:18,580 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-12 23:38:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_mmap [2021-11-12 23:38:18,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_mmap [2021-11-12 23:38:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_be16 [2021-11-12 23:38:18,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_be16 [2021-11-12 23:38:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure do_send [2021-11-12 23:38:18,581 INFO L138 BoogieDeclarations]: Found implementation of procedure do_send [2021-11-12 23:38:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-12 23:38:18,581 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-12 23:38:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_pstring [2021-11-12 23:38:18,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_pstring [2021-11-12 23:38:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_root_setup_lock_of_ncp_server [2021-11-12 23:38:18,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_root_setup_lock_of_ncp_server [2021-11-12 23:38:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2021-11-12 23:38:18,582 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2021-11-12 23:38:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_obtain_mtime [2021-11-12 23:38:18,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_obtain_mtime [2021-11-12 23:38:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_unlink [2021-11-12 23:38:18,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_unlink [2021-11-12 23:38:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_dword [2021-11-12 23:38:18,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_dword [2021-11-12 23:38:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-11-12 23:38:18,585 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-11-12 23:38:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure file_accessed [2021-11-12 23:38:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure file_accessed [2021-11-12 23:38:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-11-12 23:38:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-11-12 23:38:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_age_dentry [2021-11-12 23:38:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_age_dentry [2021-11-12 23:38:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_handle_path [2021-11-12 23:38:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_handle_path [2021-11-12 23:38:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-11-12 23:38:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-11-12 23:38:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-11-12 23:38:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-11-12 23:38:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:38:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:38:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:38:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:38:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:38:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-12 23:38:18,602 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-12 23:38:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-12 23:38:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-12 23:38:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 23:38:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 23:38:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_iget [2021-11-12 23:38:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_iget [2021-11-12 23:38:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:38:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:38:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_fill_cache [2021-11-12 23:38:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_fill_cache [2021-11-12 23:38:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_stop_tasks [2021-11-12 23:38:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_stop_tasks [2021-11-12 23:38:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~X~$Pointer$~TO~C_INT [2021-11-12 23:38:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~X~$Pointer$~TO~C_INT [2021-11-12 23:38:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_dirent [2021-11-12 23:38:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_dirent [2021-11-12 23:38:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_instantiate [2021-11-12 23:38:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_instantiate [2021-11-12 23:38:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_single_volume [2021-11-12 23:38:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_single_volume [2021-11-12 23:38:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_symlink_readpage [2021-11-12 23:38:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_symlink_readpage [2021-11-12 23:38:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 23:38:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 23:38:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure DVAL_LH [2021-11-12 23:38:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure DVAL_LH [2021-11-12 23:38:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-12 23:38:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-12 23:38:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_74 [2021-11-12 23:38:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_74 [2021-11-12 23:38:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_dword_lh [2021-11-12 23:38:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_dword_lh [2021-11-12 23:38:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 23:38:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 23:38:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:38:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:38:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_siglock_of_sighand_struct [2021-11-12 23:38:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_siglock_of_sighand_struct [2021-11-12 23:38:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 23:38:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 23:38:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageUptodate [2021-11-12 23:38:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageUptodate [2021-11-12 23:38:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2021-11-12 23:38:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2021-11-12 23:38:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 23:38:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 23:38:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_req_put [2021-11-12 23:38:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_req_put [2021-11-12 23:38:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-12 23:38:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-12 23:38:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-12 23:38:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-12 23:38:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_conn_valid [2021-11-12 23:38:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_conn_valid [2021-11-12 23:38:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-12 23:38:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-12 23:38:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:38:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:38:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_be32 [2021-11-12 23:38:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_be32 [2021-11-12 23:38:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_mutex_of_ncp_inode_info [2021-11-12 23:38:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_mutex_of_ncp_inode_info [2021-11-12 23:38:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_finish_request [2021-11-12 23:38:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_finish_request [2021-11-12 23:38:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 23:38:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 23:38:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_inode2 [2021-11-12 23:38:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_inode2 [2021-11-12 23:38:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2021-11-12 23:38:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2021-11-12 23:38:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-12 23:38:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_unlock_server [2021-11-12 23:38:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_unlock_server [2021-11-12 23:38:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-11-12 23:38:18,623 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-11-12 23:38:20,771 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:40:02,032 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:40:02,032 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2021-11-12 23:40:02,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:40:02 BoogieIcfgContainer [2021-11-12 23:40:02,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:40:02,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:40:02,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:40:02,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:40:02,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:38:05" (1/3) ... [2021-11-12 23:40:02,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738133b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:40:02, skipping insertion in model container [2021-11-12 23:40:02,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:17" (2/3) ... [2021-11-12 23:40:02,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738133b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:40:02, skipping insertion in model container [2021-11-12 23:40:02,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:40:02" (3/3) ... [2021-11-12 23:40:02,051 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i [2021-11-12 23:40:02,057 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:40:02,057 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2021-11-12 23:40:02,127 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:40:02,133 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:40:02,133 INFO L340 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2021-11-12 23:40:02,234 INFO L276 IsEmpty]: Start isEmpty. Operand has 4349 states, 2812 states have (on average 1.2997866287339972) internal successors, (3655), 2904 states have internal predecessors, (3655), 1261 states have call successors, (1261), 246 states have call predecessors, (1261), 245 states have return successors, (1252), 1230 states have call predecessors, (1252), 1252 states have call successors, (1252) [2021-11-12 23:40:02,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-12 23:40:02,240 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:02,241 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-12 23:40:02,242 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:40:02,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:02,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1278272070, now seen corresponding path program 1 times [2021-11-12 23:40:02,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:02,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908629340] [2021-11-12 23:40:02,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:02,266 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:02,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:02,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:02,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:40:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:05,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 1346 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:40:05,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:05,847 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:40:05,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:06,157 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-12 23:40:06,157 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:40:06,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908629340] [2021-11-12 23:40:06,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [908629340] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:06,158 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:40:06,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-12 23:40:06,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309586999] [2021-11-12 23:40:06,161 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:06,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:40:06,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:06,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:40:06,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:40:06,205 INFO L87 Difference]: Start difference. First operand has 4349 states, 2812 states have (on average 1.2997866287339972) internal successors, (3655), 2904 states have internal predecessors, (3655), 1261 states have call successors, (1261), 246 states have call predecessors, (1261), 245 states have return successors, (1252), 1230 states have call predecessors, (1252), 1252 states have call successors, (1252) Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-12 23:40:09,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:09,918 INFO L93 Difference]: Finished difference Result 9910 states and 14763 transitions. [2021-11-12 23:40:09,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:40:09,923 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2021-11-12 23:40:09,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:09,984 INFO L225 Difference]: With dead ends: 9910 [2021-11-12 23:40:09,984 INFO L226 Difference]: Without dead ends: 5540 [2021-11-12 23:40:10,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:40:10,041 INFO L933 BasicCegarLoop]: 6753 mSDtfsCounter, 1868 mSDsluCounter, 19212 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2521.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2102 SdHoareTripleChecker+Valid, 25965 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 100.08ms SdHoareTripleChecker+Time, 701 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2801.21ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:10,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2102 Valid, 25965 Invalid, 954 Unknown, 0 Unchecked, 100.08ms Time], IncrementalHoareTripleChecker [701 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 2801.21ms Time] [2021-11-12 23:40:10,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5540 states. [2021-11-12 23:40:10,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5540 to 4267. [2021-11-12 23:40:10,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4267 states, 2753 states have (on average 1.2691609153650563) internal successors, (3494), 2829 states have internal predecessors, (3494), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2021-11-12 23:40:10,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4267 states to 4267 states and 5966 transitions. [2021-11-12 23:40:10,506 INFO L78 Accepts]: Start accepts. Automaton has 4267 states and 5966 transitions. Word has length 46 [2021-11-12 23:40:10,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:10,508 INFO L470 AbstractCegarLoop]: Abstraction has 4267 states and 5966 transitions. [2021-11-12 23:40:10,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-12 23:40:10,508 INFO L276 IsEmpty]: Start isEmpty. Operand 4267 states and 5966 transitions. [2021-11-12 23:40:10,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-12 23:40:10,512 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:10,512 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-12 23:40:10,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:10,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:10,739 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:40:10,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:10,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1418820680, now seen corresponding path program 1 times [2021-11-12 23:40:10,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:10,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1423258081] [2021-11-12 23:40:10,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:10,744 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:10,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:10,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:10,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:40:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:13,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 1346 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-12 23:40:13,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:14,323 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:40:14,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:15,093 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-12 23:40:15,093 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:40:15,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1423258081] [2021-11-12 23:40:15,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1423258081] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:15,093 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:40:15,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-12 23:40:15,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415822437] [2021-11-12 23:40:15,094 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:15,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 23:40:15,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:15,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 23:40:15,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:40:15,097 INFO L87 Difference]: Start difference. First operand 4267 states and 5966 transitions. Second operand has 10 states, 10 states have (on average 3.9) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-12 23:40:43,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:43,738 INFO L93 Difference]: Finished difference Result 16664 states and 23391 transitions. [2021-11-12 23:40:43,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 23:40:43,739 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2021-11-12 23:40:43,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:43,865 INFO L225 Difference]: With dead ends: 16664 [2021-11-12 23:40:43,865 INFO L226 Difference]: Without dead ends: 12408 [2021-11-12 23:40:43,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:40:43,901 INFO L933 BasicCegarLoop]: 13105 mSDtfsCounter, 11711 mSDsluCounter, 62909 mSDsCounter, 0 mSdLazyCounter, 3093 mSolverCounterSat, 472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24497.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11740 SdHoareTripleChecker+Valid, 76014 SdHoareTripleChecker+Invalid, 3565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 233.77ms SdHoareTripleChecker+Time, 472 IncrementalHoareTripleChecker+Valid, 3093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26979.82ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:43,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11740 Valid, 76014 Invalid, 3565 Unknown, 0 Unchecked, 233.77ms Time], IncrementalHoareTripleChecker [472 Valid, 3093 Invalid, 0 Unknown, 0 Unchecked, 26979.82ms Time] [2021-11-12 23:40:43,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12408 states. [2021-11-12 23:40:44,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12408 to 11954. [2021-11-12 23:40:44,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11954 states, 7735 states have (on average 1.2765352294764059) internal successors, (9874), 7890 states have internal predecessors, (9874), 3525 states have call successors, (3525), 660 states have call predecessors, (3525), 660 states have return successors, (3539), 3483 states have call predecessors, (3539), 3523 states have call successors, (3539) [2021-11-12 23:40:44,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11954 states to 11954 states and 16938 transitions. [2021-11-12 23:40:44,761 INFO L78 Accepts]: Start accepts. Automaton has 11954 states and 16938 transitions. Word has length 46 [2021-11-12 23:40:44,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:44,762 INFO L470 AbstractCegarLoop]: Abstraction has 11954 states and 16938 transitions. [2021-11-12 23:40:44,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-12 23:40:44,763 INFO L276 IsEmpty]: Start isEmpty. Operand 11954 states and 16938 transitions. [2021-11-12 23:40:44,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-12 23:40:44,767 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:44,768 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:40:44,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:44,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:44,983 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:40:44,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:44,984 INFO L85 PathProgramCache]: Analyzing trace with hash 278346800, now seen corresponding path program 1 times [2021-11-12 23:40:44,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:44,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1336650496] [2021-11-12 23:40:44,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:44,989 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:44,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:44,990 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:45,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:40:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:48,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 1378 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:40:48,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:49,488 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:49,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:49,955 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:49,955 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:40:49,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1336650496] [2021-11-12 23:40:49,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1336650496] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:49,956 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:40:49,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:40:49,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953496067] [2021-11-12 23:40:49,957 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:49,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:40:49,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:49,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:40:49,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:40:49,959 INFO L87 Difference]: Start difference. First operand 11954 states and 16938 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:40:50,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:50,552 INFO L93 Difference]: Finished difference Result 11954 states and 16938 transitions. [2021-11-12 23:40:50,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:40:50,553 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 62 [2021-11-12 23:40:50,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:50,676 INFO L225 Difference]: With dead ends: 11954 [2021-11-12 23:40:50,677 INFO L226 Difference]: Without dead ends: 11952 [2021-11-12 23:40:50,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:40:50,693 INFO L933 BasicCegarLoop]: 5959 mSDtfsCounter, 5949 mSDsluCounter, 5941 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5952 SdHoareTripleChecker+Valid, 11900 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.75ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.40ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:50,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5952 Valid, 11900 Invalid, 4 Unknown, 0 Unchecked, 35.75ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 31.40ms Time] [2021-11-12 23:40:50,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11952 states. [2021-11-12 23:40:51,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11952 to 11952. [2021-11-12 23:40:51,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11952 states, 7734 states have (on average 1.2763123868632014) internal successors, (9871), 7888 states have internal predecessors, (9871), 3525 states have call successors, (3525), 660 states have call predecessors, (3525), 660 states have return successors, (3539), 3483 states have call predecessors, (3539), 3523 states have call successors, (3539) [2021-11-12 23:40:51,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11952 states to 11952 states and 16935 transitions. [2021-11-12 23:40:51,528 INFO L78 Accepts]: Start accepts. Automaton has 11952 states and 16935 transitions. Word has length 62 [2021-11-12 23:40:51,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:51,531 INFO L470 AbstractCegarLoop]: Abstraction has 11952 states and 16935 transitions. [2021-11-12 23:40:51,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:40:51,531 INFO L276 IsEmpty]: Start isEmpty. Operand 11952 states and 16935 transitions. [2021-11-12 23:40:51,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-12 23:40:51,540 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:51,541 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:40:51,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:51,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:51,763 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_for_read_sectionErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:40:51,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:51,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1347320857, now seen corresponding path program 1 times [2021-11-12 23:40:51,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:51,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1434539259] [2021-11-12 23:40:51,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:51,770 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:51,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:51,771 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:51,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:40:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:54,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 1382 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:40:54,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:55,841 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:55,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:56,266 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:56,266 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:40:56,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1434539259] [2021-11-12 23:40:56,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1434539259] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:56,266 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:40:56,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:40:56,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580748486] [2021-11-12 23:40:56,267 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:56,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:40:56,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:56,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:40:56,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:40:56,269 INFO L87 Difference]: Start difference. First operand 11952 states and 16935 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:40:56,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:56,843 INFO L93 Difference]: Finished difference Result 11952 states and 16935 transitions. [2021-11-12 23:40:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:40:56,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 65 [2021-11-12 23:40:56,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:56,903 INFO L225 Difference]: With dead ends: 11952 [2021-11-12 23:40:56,903 INFO L226 Difference]: Without dead ends: 11950 [2021-11-12 23:40:56,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:40:56,913 INFO L933 BasicCegarLoop]: 5957 mSDtfsCounter, 5934 mSDsluCounter, 5944 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5937 SdHoareTripleChecker+Valid, 11901 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.08ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.51ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:56,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5937 Valid, 11901 Invalid, 4 Unknown, 0 Unchecked, 25.08ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 19.51ms Time] [2021-11-12 23:40:56,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11950 states. [2021-11-12 23:40:57,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11950 to 11950. [2021-11-12 23:40:57,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11950 states, 7733 states have (on average 1.2760894866158023) internal successors, (9868), 7886 states have internal predecessors, (9868), 3525 states have call successors, (3525), 660 states have call predecessors, (3525), 660 states have return successors, (3539), 3483 states have call predecessors, (3539), 3523 states have call successors, (3539) [2021-11-12 23:40:57,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11950 states to 11950 states and 16932 transitions. [2021-11-12 23:40:57,622 INFO L78 Accepts]: Start accepts. Automaton has 11950 states and 16932 transitions. Word has length 65 [2021-11-12 23:40:57,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:57,623 INFO L470 AbstractCegarLoop]: Abstraction has 11950 states and 16932 transitions. [2021-11-12 23:40:57,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:40:57,623 INFO L276 IsEmpty]: Start isEmpty. Operand 11950 states and 16932 transitions. [2021-11-12 23:40:57,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-12 23:40:57,625 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:57,625 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:40:57,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:57,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:57,839 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:40:57,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:57,840 INFO L85 PathProgramCache]: Analyzing trace with hash -2037648157, now seen corresponding path program 1 times [2021-11-12 23:40:57,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:57,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [888521383] [2021-11-12 23:40:57,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:57,842 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:57,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:57,843 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:57,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:41:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:00,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 1361 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:00,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:41:01,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:01,610 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:41:01,610 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:01,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [888521383] [2021-11-12 23:41:01,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [888521383] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:01,610 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:01,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:41:01,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703215613] [2021-11-12 23:41:01,611 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:01,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:41:01,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:01,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:41:01,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:01,612 INFO L87 Difference]: Start difference. First operand 11950 states and 16932 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-12 23:41:02,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:02,012 INFO L93 Difference]: Finished difference Result 11950 states and 16932 transitions. [2021-11-12 23:41:02,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:02,012 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 65 [2021-11-12 23:41:02,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:02,068 INFO L225 Difference]: With dead ends: 11950 [2021-11-12 23:41:02,068 INFO L226 Difference]: Without dead ends: 11948 [2021-11-12 23:41:02,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:41:02,077 INFO L933 BasicCegarLoop]: 5956 mSDtfsCounter, 5908 mSDsluCounter, 5954 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5910 SdHoareTripleChecker+Valid, 11910 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.83ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.61ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:02,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5910 Valid, 11910 Invalid, 2 Unknown, 0 Unchecked, 16.83ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.61ms Time] [2021-11-12 23:41:02,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11948 states. [2021-11-12 23:41:02,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11948 to 11948. [2021-11-12 23:41:02,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11948 states, 7732 states have (on average 1.275995861355406) internal successors, (9866), 7884 states have internal predecessors, (9866), 3525 states have call successors, (3525), 660 states have call predecessors, (3525), 660 states have return successors, (3539), 3483 states have call predecessors, (3539), 3523 states have call successors, (3539) [2021-11-12 23:41:02,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11948 states to 11948 states and 16930 transitions. [2021-11-12 23:41:02,739 INFO L78 Accepts]: Start accepts. Automaton has 11948 states and 16930 transitions. Word has length 65 [2021-11-12 23:41:02,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:02,740 INFO L470 AbstractCegarLoop]: Abstraction has 11948 states and 16930 transitions. [2021-11-12 23:41:02,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-12 23:41:02,740 INFO L276 IsEmpty]: Start isEmpty. Operand 11948 states and 16930 transitions. [2021-11-12 23:41:02,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-12 23:41:02,741 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:02,742 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:41:02,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:02,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:02,963 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_for_read_sectionErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:41:02,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:02,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1561248932, now seen corresponding path program 1 times [2021-11-12 23:41:02,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:02,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [696634020] [2021-11-12 23:41:02,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:02,966 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:02,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:02,968 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:02,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:41:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:05,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 1386 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:05,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:06,648 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:06,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:07,081 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:07,081 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:07,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [696634020] [2021-11-12 23:41:07,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [696634020] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:07,082 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:07,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:41:07,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004979218] [2021-11-12 23:41:07,082 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:07,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:41:07,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:07,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:41:07,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:07,083 INFO L87 Difference]: Start difference. First operand 11948 states and 16930 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:41:07,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:07,520 INFO L93 Difference]: Finished difference Result 11948 states and 16930 transitions. [2021-11-12 23:41:07,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:07,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 68 [2021-11-12 23:41:07,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:07,577 INFO L225 Difference]: With dead ends: 11948 [2021-11-12 23:41:07,578 INFO L226 Difference]: Without dead ends: 11946 [2021-11-12 23:41:07,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:41:07,588 INFO L933 BasicCegarLoop]: 5953 mSDtfsCounter, 5917 mSDsluCounter, 5945 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5920 SdHoareTripleChecker+Valid, 11898 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.50ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.62ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:07,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5920 Valid, 11898 Invalid, 4 Unknown, 0 Unchecked, 16.50ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 18.62ms Time] [2021-11-12 23:41:07,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11946 states. [2021-11-12 23:41:08,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11946 to 11946. [2021-11-12 23:41:08,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11946 states, 7731 states have (on average 1.275772862501617) internal successors, (9863), 7882 states have internal predecessors, (9863), 3525 states have call successors, (3525), 660 states have call predecessors, (3525), 660 states have return successors, (3539), 3483 states have call predecessors, (3539), 3523 states have call successors, (3539) [2021-11-12 23:41:08,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11946 states to 11946 states and 16927 transitions. [2021-11-12 23:41:08,340 INFO L78 Accepts]: Start accepts. Automaton has 11946 states and 16927 transitions. Word has length 68 [2021-11-12 23:41:08,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:08,340 INFO L470 AbstractCegarLoop]: Abstraction has 11946 states and 16927 transitions. [2021-11-12 23:41:08,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:41:08,341 INFO L276 IsEmpty]: Start isEmpty. Operand 11946 states and 16927 transitions. [2021-11-12 23:41:08,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-12 23:41:08,343 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:08,343 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:41:08,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:08,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:08,567 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:41:08,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:08,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1999052640, now seen corresponding path program 1 times [2021-11-12 23:41:08,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:08,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1402302546] [2021-11-12 23:41:08,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:08,570 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:08,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:08,572 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:08,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:41:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:11,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 1370 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:11,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:12,185 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:41:12,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:12,617 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:41:12,617 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:12,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1402302546] [2021-11-12 23:41:12,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1402302546] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:12,618 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:12,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:41:12,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565197455] [2021-11-12 23:41:12,618 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:12,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:41:12,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:12,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:41:12,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:12,620 INFO L87 Difference]: Start difference. First operand 11946 states and 16927 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 23:41:13,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:13,040 INFO L93 Difference]: Finished difference Result 11946 states and 16927 transitions. [2021-11-12 23:41:13,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:13,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 71 [2021-11-12 23:41:13,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:13,092 INFO L225 Difference]: With dead ends: 11946 [2021-11-12 23:41:13,093 INFO L226 Difference]: Without dead ends: 11944 [2021-11-12 23:41:13,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:41:13,103 INFO L933 BasicCegarLoop]: 5952 mSDtfsCounter, 5898 mSDsluCounter, 5950 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5900 SdHoareTripleChecker+Valid, 11902 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.09ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.93ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:13,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5900 Valid, 11902 Invalid, 2 Unknown, 0 Unchecked, 17.09ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 11.93ms Time] [2021-11-12 23:41:13,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11944 states. [2021-11-12 23:41:13,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11944 to 11944. [2021-11-12 23:41:13,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11944 states, 7730 states have (on average 1.2756791720569212) internal successors, (9861), 7880 states have internal predecessors, (9861), 3525 states have call successors, (3525), 660 states have call predecessors, (3525), 660 states have return successors, (3539), 3483 states have call predecessors, (3539), 3523 states have call successors, (3539) [2021-11-12 23:41:13,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11944 states to 11944 states and 16925 transitions. [2021-11-12 23:41:13,960 INFO L78 Accepts]: Start accepts. Automaton has 11944 states and 16925 transitions. Word has length 71 [2021-11-12 23:41:13,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:13,960 INFO L470 AbstractCegarLoop]: Abstraction has 11944 states and 16925 transitions. [2021-11-12 23:41:13,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 23:41:13,961 INFO L276 IsEmpty]: Start isEmpty. Operand 11944 states and 16925 transitions. [2021-11-12 23:41:13,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-12 23:41:13,962 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:13,962 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:41:14,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:14,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:14,183 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_for_read_sectionErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:41:14,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:14,184 INFO L85 PathProgramCache]: Analyzing trace with hash -961052077, now seen corresponding path program 1 times [2021-11-12 23:41:14,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:14,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [547309835] [2021-11-12 23:41:14,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:14,186 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:14,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:14,188 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:14,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-12 23:41:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:16,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:16,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:17,713 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:17,713 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:18,175 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:18,176 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:18,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [547309835] [2021-11-12 23:41:18,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [547309835] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:18,176 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:18,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:41:18,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707408906] [2021-11-12 23:41:18,176 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:18,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:41:18,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:18,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:41:18,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:18,178 INFO L87 Difference]: Start difference. First operand 11944 states and 16925 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:41:18,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:18,713 INFO L93 Difference]: Finished difference Result 11944 states and 16925 transitions. [2021-11-12 23:41:18,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:18,713 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 71 [2021-11-12 23:41:18,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:18,746 INFO L225 Difference]: With dead ends: 11944 [2021-11-12 23:41:18,747 INFO L226 Difference]: Without dead ends: 11942 [2021-11-12 23:41:18,750 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:41:18,750 INFO L933 BasicCegarLoop]: 5949 mSDtfsCounter, 5900 mSDsluCounter, 5946 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5903 SdHoareTripleChecker+Valid, 11895 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.24ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.30ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:18,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5903 Valid, 11895 Invalid, 4 Unknown, 0 Unchecked, 17.24ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 20.30ms Time] [2021-11-12 23:41:18,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11942 states. [2021-11-12 23:41:19,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11942 to 11942. [2021-11-12 23:41:19,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11942 states, 7729 states have (on average 1.275456074524518) internal successors, (9858), 7878 states have internal predecessors, (9858), 3525 states have call successors, (3525), 660 states have call predecessors, (3525), 660 states have return successors, (3539), 3483 states have call predecessors, (3539), 3523 states have call successors, (3539) [2021-11-12 23:41:19,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11942 states to 11942 states and 16922 transitions. [2021-11-12 23:41:19,411 INFO L78 Accepts]: Start accepts. Automaton has 11942 states and 16922 transitions. Word has length 71 [2021-11-12 23:41:19,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:19,412 INFO L470 AbstractCegarLoop]: Abstraction has 11942 states and 16922 transitions. [2021-11-12 23:41:19,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:41:19,412 INFO L276 IsEmpty]: Start isEmpty. Operand 11942 states and 16922 transitions. [2021-11-12 23:41:19,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-12 23:41:19,414 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:19,414 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:41:19,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-12 23:41:19,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:19,631 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:41:19,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:19,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1388056334, now seen corresponding path program 1 times [2021-11-12 23:41:19,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:19,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882129345] [2021-11-12 23:41:19,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:19,633 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:19,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:19,634 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:19,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-12 23:41:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:22,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 1379 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:22,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:23,329 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:41:23,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:41:23,795 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:23,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [882129345] [2021-11-12 23:41:23,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [882129345] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:23,796 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:23,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:41:23,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188522855] [2021-11-12 23:41:23,796 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:23,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:41:23,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:23,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:41:23,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:23,797 INFO L87 Difference]: Start difference. First operand 11942 states and 16922 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 23:41:24,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:24,303 INFO L93 Difference]: Finished difference Result 11942 states and 16922 transitions. [2021-11-12 23:41:24,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:24,303 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 77 [2021-11-12 23:41:24,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:24,348 INFO L225 Difference]: With dead ends: 11942 [2021-11-12 23:41:24,348 INFO L226 Difference]: Without dead ends: 11940 [2021-11-12 23:41:24,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:41:24,355 INFO L933 BasicCegarLoop]: 5948 mSDtfsCounter, 5888 mSDsluCounter, 5946 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5890 SdHoareTripleChecker+Valid, 11894 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.34ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.80ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:24,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5890 Valid, 11894 Invalid, 2 Unknown, 0 Unchecked, 16.34ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.80ms Time] [2021-11-12 23:41:24,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11940 states. [2021-11-12 23:41:25,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11940 to 11940. [2021-11-12 23:41:25,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11940 states, 7728 states have (on average 1.2753623188405796) internal successors, (9856), 7876 states have internal predecessors, (9856), 3525 states have call successors, (3525), 660 states have call predecessors, (3525), 660 states have return successors, (3539), 3483 states have call predecessors, (3539), 3523 states have call successors, (3539) [2021-11-12 23:41:25,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11940 states to 11940 states and 16920 transitions. [2021-11-12 23:41:25,179 INFO L78 Accepts]: Start accepts. Automaton has 11940 states and 16920 transitions. Word has length 77 [2021-11-12 23:41:25,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:25,179 INFO L470 AbstractCegarLoop]: Abstraction has 11940 states and 16920 transitions. [2021-11-12 23:41:25,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 23:41:25,180 INFO L276 IsEmpty]: Start isEmpty. Operand 11940 states and 16920 transitions. [2021-11-12 23:41:25,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-12 23:41:25,181 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:25,181 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:41:25,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:25,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:25,399 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:41:25,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:25,399 INFO L85 PathProgramCache]: Analyzing trace with hash 97846468, now seen corresponding path program 1 times [2021-11-12 23:41:25,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:25,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116852096] [2021-11-12 23:41:25,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:25,401 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:25,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:25,401 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:25,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-12 23:41:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:27,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 1388 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:27,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:28,900 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:41:28,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:29,374 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:41:29,375 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:29,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1116852096] [2021-11-12 23:41:29,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1116852096] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:29,375 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:29,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:41:29,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942964470] [2021-11-12 23:41:29,375 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:29,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:41:29,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:29,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:41:29,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:29,377 INFO L87 Difference]: Start difference. First operand 11940 states and 16920 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-12 23:41:29,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:29,949 INFO L93 Difference]: Finished difference Result 11940 states and 16920 transitions. [2021-11-12 23:41:29,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:29,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 83 [2021-11-12 23:41:29,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:29,981 INFO L225 Difference]: With dead ends: 11940 [2021-11-12 23:41:29,981 INFO L226 Difference]: Without dead ends: 11938 [2021-11-12 23:41:29,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:41:29,986 INFO L933 BasicCegarLoop]: 5946 mSDtfsCounter, 5880 mSDsluCounter, 5944 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5882 SdHoareTripleChecker+Valid, 11890 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.12ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.75ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:29,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5882 Valid, 11890 Invalid, 2 Unknown, 0 Unchecked, 17.12ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.75ms Time] [2021-11-12 23:41:29,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11938 states. [2021-11-12 23:41:30,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11938 to 11938. [2021-11-12 23:41:30,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11938 states, 7727 states have (on average 1.275268538889608) internal successors, (9854), 7874 states have internal predecessors, (9854), 3525 states have call successors, (3525), 660 states have call predecessors, (3525), 660 states have return successors, (3539), 3483 states have call predecessors, (3539), 3523 states have call successors, (3539) [2021-11-12 23:41:30,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11938 states to 11938 states and 16918 transitions. [2021-11-12 23:41:30,718 INFO L78 Accepts]: Start accepts. Automaton has 11938 states and 16918 transitions. Word has length 83 [2021-11-12 23:41:30,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:30,719 INFO L470 AbstractCegarLoop]: Abstraction has 11938 states and 16918 transitions. [2021-11-12 23:41:30,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-12 23:41:30,719 INFO L276 IsEmpty]: Start isEmpty. Operand 11938 states and 16918 transitions. [2021-11-12 23:41:30,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-12 23:41:30,720 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:30,721 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:41:30,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:30,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:30,923 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:41:30,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:30,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1396148583, now seen corresponding path program 1 times [2021-11-12 23:41:30,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:30,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049170513] [2021-11-12 23:41:30,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:30,926 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:30,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:30,927 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:30,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-12 23:41:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:33,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 1397 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:33,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:34,532 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:41:34,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:35,030 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:41:35,031 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:35,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049170513] [2021-11-12 23:41:35,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049170513] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:35,031 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:35,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:41:35,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18197522] [2021-11-12 23:41:35,031 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:35,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:41:35,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:35,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:41:35,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:35,033 INFO L87 Difference]: Start difference. First operand 11938 states and 16918 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:41:35,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:35,535 INFO L93 Difference]: Finished difference Result 11938 states and 16918 transitions. [2021-11-12 23:41:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:35,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 89 [2021-11-12 23:41:35,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:35,568 INFO L225 Difference]: With dead ends: 11938 [2021-11-12 23:41:35,569 INFO L226 Difference]: Without dead ends: 11936 [2021-11-12 23:41:35,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:41:35,576 INFO L933 BasicCegarLoop]: 5944 mSDtfsCounter, 5872 mSDsluCounter, 5942 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5874 SdHoareTripleChecker+Valid, 11886 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.19ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.44ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:35,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5874 Valid, 11886 Invalid, 2 Unknown, 0 Unchecked, 16.19ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.44ms Time] [2021-11-12 23:41:35,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11936 states. [2021-11-12 23:41:36,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11936 to 11936. [2021-11-12 23:41:36,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11936 states, 7726 states have (on average 1.2751747346621796) internal successors, (9852), 7872 states have internal predecessors, (9852), 3525 states have call successors, (3525), 660 states have call predecessors, (3525), 660 states have return successors, (3539), 3483 states have call predecessors, (3539), 3523 states have call successors, (3539) [2021-11-12 23:41:36,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11936 states to 11936 states and 16916 transitions. [2021-11-12 23:41:36,308 INFO L78 Accepts]: Start accepts. Automaton has 11936 states and 16916 transitions. Word has length 89 [2021-11-12 23:41:36,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:36,308 INFO L470 AbstractCegarLoop]: Abstraction has 11936 states and 16916 transitions. [2021-11-12 23:41:36,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:41:36,308 INFO L276 IsEmpty]: Start isEmpty. Operand 11936 states and 16916 transitions. [2021-11-12 23:41:36,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-12 23:41:36,310 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:36,311 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:41:36,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:36,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:36,515 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:41:36,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:36,515 INFO L85 PathProgramCache]: Analyzing trace with hash 49214196, now seen corresponding path program 1 times [2021-11-12 23:41:36,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:36,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750236535] [2021-11-12 23:41:36,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:36,517 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:36,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:36,518 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:36,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-12 23:41:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:39,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:39,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:40,244 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:41:40,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:41:40,782 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:40,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750236535] [2021-11-12 23:41:40,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750236535] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:40,782 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:40,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:41:40,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639880165] [2021-11-12 23:41:40,783 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:40,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:41:40,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:40,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:41:40,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:40,784 INFO L87 Difference]: Start difference. First operand 11936 states and 16916 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:41:41,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:41,599 INFO L93 Difference]: Finished difference Result 11936 states and 16916 transitions. [2021-11-12 23:41:41,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:41,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 95 [2021-11-12 23:41:41,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:41,638 INFO L225 Difference]: With dead ends: 11936 [2021-11-12 23:41:41,639 INFO L226 Difference]: Without dead ends: 11934 [2021-11-12 23:41:41,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:41:41,647 INFO L933 BasicCegarLoop]: 5942 mSDtfsCounter, 5861 mSDsluCounter, 11880 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5863 SdHoareTripleChecker+Valid, 17822 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.73ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.95ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:41,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5863 Valid, 17822 Invalid, 2 Unknown, 0 Unchecked, 27.73ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.95ms Time] [2021-11-12 23:41:41,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11934 states. [2021-11-12 23:41:42,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11934 to 11934. [2021-11-12 23:41:42,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11934 states, 7725 states have (on average 1.2750809061488673) internal successors, (9850), 7870 states have internal predecessors, (9850), 3525 states have call successors, (3525), 660 states have call predecessors, (3525), 660 states have return successors, (3539), 3483 states have call predecessors, (3539), 3523 states have call successors, (3539) [2021-11-12 23:41:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11934 states to 11934 states and 16914 transitions. [2021-11-12 23:41:42,554 INFO L78 Accepts]: Start accepts. Automaton has 11934 states and 16914 transitions. Word has length 95 [2021-11-12 23:41:42,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:42,555 INFO L470 AbstractCegarLoop]: Abstraction has 11934 states and 16914 transitions. [2021-11-12 23:41:42,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:41:42,555 INFO L276 IsEmpty]: Start isEmpty. Operand 11934 states and 16914 transitions. [2021-11-12 23:41:42,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-12 23:41:42,558 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:42,559 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2021-11-12 23:41:42,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:42,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:42,775 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:41:42,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:42,776 INFO L85 PathProgramCache]: Analyzing trace with hash -2085215855, now seen corresponding path program 1 times [2021-11-12 23:41:42,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:42,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245073642] [2021-11-12 23:41:42,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:42,778 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:42,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:42,780 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:42,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-12 23:41:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:46,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 1510 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-12 23:41:46,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-12 23:41:48,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:51,794 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-12 23:41:51,795 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:51,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245073642] [2021-11-12 23:41:51,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1245073642] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:51,795 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:51,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 10] imperfect sequences [] total 19 [2021-11-12 23:41:51,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790725035] [2021-11-12 23:41:51,796 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:51,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-12 23:41:51,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:51,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-12 23:41:51,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2021-11-12 23:41:51,797 INFO L87 Difference]: Start difference. First operand 11934 states and 16914 transitions. Second operand has 19 states, 16 states have (on average 4.0) internal successors, (64), 14 states have internal predecessors, (64), 6 states have call successors, (23), 2 states have call predecessors, (23), 6 states have return successors, (20), 9 states have call predecessors, (20), 6 states have call successors, (20) [2021-11-12 23:41:57,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:57,246 INFO L93 Difference]: Finished difference Result 16803 states and 23810 transitions. [2021-11-12 23:41:57,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-12 23:41:57,247 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 4.0) internal successors, (64), 14 states have internal predecessors, (64), 6 states have call successors, (23), 2 states have call predecessors, (23), 6 states have return successors, (20), 9 states have call predecessors, (20), 6 states have call successors, (20) Word has length 100 [2021-11-12 23:41:57,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:57,313 INFO L225 Difference]: With dead ends: 16803 [2021-11-12 23:41:57,314 INFO L226 Difference]: Without dead ends: 12581 [2021-11-12 23:41:57,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-11-12 23:41:57,353 INFO L933 BasicCegarLoop]: 6888 mSDtfsCounter, 1157 mSDsluCounter, 74852 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3457.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1408 SdHoareTripleChecker+Valid, 81740 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 100.17ms SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3761.12ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:57,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1408 Valid, 81740 Invalid, 764 Unknown, 0 Unchecked, 100.17ms Time], IncrementalHoareTripleChecker [258 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 3761.12ms Time] [2021-11-12 23:41:57,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12581 states. [2021-11-12 23:41:58,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12581 to 11934. [2021-11-12 23:41:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11934 states, 7725 states have (on average 1.2749514563106796) internal successors, (9849), 7870 states have internal predecessors, (9849), 3525 states have call successors, (3525), 660 states have call predecessors, (3525), 660 states have return successors, (3539), 3483 states have call predecessors, (3539), 3523 states have call successors, (3539) [2021-11-12 23:41:58,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11934 states to 11934 states and 16913 transitions. [2021-11-12 23:41:58,704 INFO L78 Accepts]: Start accepts. Automaton has 11934 states and 16913 transitions. Word has length 100 [2021-11-12 23:41:58,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:58,705 INFO L470 AbstractCegarLoop]: Abstraction has 11934 states and 16913 transitions. [2021-11-12 23:41:58,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 4.0) internal successors, (64), 14 states have internal predecessors, (64), 6 states have call successors, (23), 2 states have call predecessors, (23), 6 states have return successors, (20), 9 states have call predecessors, (20), 6 states have call successors, (20) [2021-11-12 23:41:58,705 INFO L276 IsEmpty]: Start isEmpty. Operand 11934 states and 16913 transitions. [2021-11-12 23:41:58,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-12 23:41:58,707 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:58,708 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2021-11-12 23:41:58,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:58,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:58,908 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:41:58,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:58,909 INFO L85 PathProgramCache]: Analyzing trace with hash 401694068, now seen corresponding path program 1 times [2021-11-12 23:41:58,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:58,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [582677324] [2021-11-12 23:41:58,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:58,911 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:58,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:58,912 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:58,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-12 23:42:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:02,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 1521 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-12 23:42:02,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:03,908 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-12 23:42:03,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-12 23:42:04,722 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:42:04,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [582677324] [2021-11-12 23:42:04,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [582677324] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:42:04,723 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:42:04,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-12 23:42:04,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764291799] [2021-11-12 23:42:04,723 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:42:04,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:42:04,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:42:04,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:42:04,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:42:04,725 INFO L87 Difference]: Start difference. First operand 11934 states and 16913 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (35), 4 states have call predecessors, (35), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:42:06,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:06,520 INFO L93 Difference]: Finished difference Result 21131 states and 30567 transitions. [2021-11-12 23:42:06,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:42:06,521 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (35), 4 states have call predecessors, (35), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 104 [2021-11-12 23:42:06,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:06,654 INFO L225 Difference]: With dead ends: 21131 [2021-11-12 23:42:06,655 INFO L226 Difference]: Without dead ends: 21129 [2021-11-12 23:42:06,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:42:06,673 INFO L933 BasicCegarLoop]: 7632 mSDtfsCounter, 4689 mSDsluCounter, 28928 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 124.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4693 SdHoareTripleChecker+Valid, 36560 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 65.02ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 128.87ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:06,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4693 Valid, 36560 Invalid, 25 Unknown, 0 Unchecked, 65.02ms Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 128.87ms Time] [2021-11-12 23:42:06,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21129 states. [2021-11-12 23:42:08,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21129 to 20900. [2021-11-12 23:42:08,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20900 states, 13894 states have (on average 1.2871743198502952) internal successors, (17884), 14118 states have internal predecessors, (17884), 5848 states have call successors, (5848), 1143 states have call predecessors, (5848), 1134 states have return successors, (6579), 5791 states have call predecessors, (6579), 5846 states have call successors, (6579) [2021-11-12 23:42:08,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20900 states to 20900 states and 30311 transitions. [2021-11-12 23:42:08,603 INFO L78 Accepts]: Start accepts. Automaton has 20900 states and 30311 transitions. Word has length 104 [2021-11-12 23:42:08,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:08,603 INFO L470 AbstractCegarLoop]: Abstraction has 20900 states and 30311 transitions. [2021-11-12 23:42:08,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (35), 4 states have call predecessors, (35), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:42:08,604 INFO L276 IsEmpty]: Start isEmpty. Operand 20900 states and 30311 transitions. [2021-11-12 23:42:08,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-12 23:42:08,607 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:08,607 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:42:08,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:08,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:42:08,808 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:42:08,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:08,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1854977281, now seen corresponding path program 1 times [2021-11-12 23:42:08,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:42:08,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [39747140] [2021-11-12 23:42:08,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:08,812 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:42:08,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:42:08,814 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:42:08,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-12 23:42:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:12,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:42:12,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:13,858 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:42:13,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:14,542 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:42:14,543 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:42:14,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [39747140] [2021-11-12 23:42:14,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [39747140] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:42:14,543 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:42:14,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:42:14,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576602317] [2021-11-12 23:42:14,543 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:42:14,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:42:14,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:42:14,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:42:14,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:42:14,545 INFO L87 Difference]: Start difference. First operand 20900 states and 30311 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:42:16,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:16,008 INFO L93 Difference]: Finished difference Result 20900 states and 30311 transitions. [2021-11-12 23:42:16,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:42:16,008 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 101 [2021-11-12 23:42:16,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:16,090 INFO L225 Difference]: With dead ends: 20900 [2021-11-12 23:42:16,090 INFO L226 Difference]: Without dead ends: 20898 [2021-11-12 23:42:16,099 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:42:16,099 INFO L933 BasicCegarLoop]: 5939 mSDtfsCounter, 5855 mSDsluCounter, 5937 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5857 SdHoareTripleChecker+Valid, 11876 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.40ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.66ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:16,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5857 Valid, 11876 Invalid, 2 Unknown, 0 Unchecked, 24.40ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 13.66ms Time] [2021-11-12 23:42:16,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20898 states. [2021-11-12 23:42:17,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20898 to 20898. [2021-11-12 23:42:17,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20898 states, 13893 states have (on average 1.2871230115885697) internal successors, (17882), 14116 states have internal predecessors, (17882), 5848 states have call successors, (5848), 1143 states have call predecessors, (5848), 1134 states have return successors, (6579), 5791 states have call predecessors, (6579), 5846 states have call successors, (6579) [2021-11-12 23:42:17,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20898 states to 20898 states and 30309 transitions. [2021-11-12 23:42:17,914 INFO L78 Accepts]: Start accepts. Automaton has 20898 states and 30309 transitions. Word has length 101 [2021-11-12 23:42:17,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:17,919 INFO L470 AbstractCegarLoop]: Abstraction has 20898 states and 30309 transitions. [2021-11-12 23:42:17,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:42:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 20898 states and 30309 transitions. [2021-11-12 23:42:17,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-12 23:42:17,923 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:17,923 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2021-11-12 23:42:17,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:18,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:42:18,131 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:42:18,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:18,132 INFO L85 PathProgramCache]: Analyzing trace with hash -811867754, now seen corresponding path program 1 times [2021-11-12 23:42:18,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:42:18,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [499263018] [2021-11-12 23:42:18,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:18,134 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:42:18,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:42:18,135 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:42:18,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-12 23:42:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:21,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 1544 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-12 23:42:21,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-12 23:42:23,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:24,151 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-12 23:42:24,152 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:42:24,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [499263018] [2021-11-12 23:42:24,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [499263018] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:42:24,152 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:42:24,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-12 23:42:24,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407819547] [2021-11-12 23:42:24,153 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:42:24,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:42:24,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:42:24,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:42:24,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:42:24,154 INFO L87 Difference]: Start difference. First operand 20898 states and 30309 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (35), 4 states have call predecessors, (35), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:42:26,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:26,366 INFO L93 Difference]: Finished difference Result 23213 states and 33160 transitions. [2021-11-12 23:42:26,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:42:26,367 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (35), 4 states have call predecessors, (35), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 109 [2021-11-12 23:42:26,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:26,633 INFO L225 Difference]: With dead ends: 23213 [2021-11-12 23:42:26,634 INFO L226 Difference]: Without dead ends: 23211 [2021-11-12 23:42:26,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:42:26,643 INFO L933 BasicCegarLoop]: 6517 mSDtfsCounter, 5765 mSDsluCounter, 26981 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 149.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5770 SdHoareTripleChecker+Valid, 33498 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 55.82ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 155.42ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:26,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5770 Valid, 33498 Invalid, 28 Unknown, 0 Unchecked, 55.82ms Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 155.42ms Time] [2021-11-12 23:42:26,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23211 states. [2021-11-12 23:42:28,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23211 to 23199. [2021-11-12 23:42:28,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23199 states, 15309 states have (on average 1.2738911751257431) internal successors, (19502), 15550 states have internal predecessors, (19502), 6448 states have call successors, (6448), 1434 states have call predecessors, (6448), 1419 states have return successors, (7197), 6379 states have call predecessors, (7197), 6446 states have call successors, (7197) [2021-11-12 23:42:28,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23199 states to 23199 states and 33147 transitions. [2021-11-12 23:42:28,606 INFO L78 Accepts]: Start accepts. Automaton has 23199 states and 33147 transitions. Word has length 109 [2021-11-12 23:42:28,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:28,607 INFO L470 AbstractCegarLoop]: Abstraction has 23199 states and 33147 transitions. [2021-11-12 23:42:28,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (35), 4 states have call predecessors, (35), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:42:28,607 INFO L276 IsEmpty]: Start isEmpty. Operand 23199 states and 33147 transitions. [2021-11-12 23:42:28,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-12 23:42:28,610 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:28,610 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2021-11-12 23:42:28,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2021-11-12 23:42:28,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:42:28,811 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:42:28,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:28,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1019269018, now seen corresponding path program 1 times [2021-11-12 23:42:28,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:42:28,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [701795660] [2021-11-12 23:42:28,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:28,815 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:42:28,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:42:28,816 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:42:28,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-12 23:42:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:32,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 1491 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:42:32,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:33,978 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-12 23:42:33,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:34,914 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-12 23:42:34,914 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:42:34,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [701795660] [2021-11-12 23:42:34,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [701795660] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:42:34,915 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:42:34,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 7 [2021-11-12 23:42:34,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142734991] [2021-11-12 23:42:34,916 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:42:34,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:42:34,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:42:34,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:42:34,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:42:34,918 INFO L87 Difference]: Start difference. First operand 23199 states and 33147 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:42:37,166 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:43:12,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:43:12,811 INFO L93 Difference]: Finished difference Result 46304 states and 67555 transitions. [2021-11-12 23:43:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:43:12,812 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) Word has length 106 [2021-11-12 23:43:12,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:43:12,962 INFO L225 Difference]: With dead ends: 46304 [2021-11-12 23:43:12,963 INFO L226 Difference]: Without dead ends: 23199 [2021-11-12 23:43:13,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:43:13,291 INFO L933 BasicCegarLoop]: 5937 mSDtfsCounter, 5872 mSDsluCounter, 18783 mSDsCounter, 0 mSdLazyCounter, 4957 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33311.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5877 SdHoareTripleChecker+Valid, 24720 SdHoareTripleChecker+Invalid, 4959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 96.89ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4957 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35162.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:43:13,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5877 Valid, 24720 Invalid, 4959 Unknown, 0 Unchecked, 96.89ms Time], IncrementalHoareTripleChecker [1 Valid, 4957 Invalid, 1 Unknown, 0 Unchecked, 35162.00ms Time] [2021-11-12 23:43:13,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23199 states. [2021-11-12 23:43:14,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23199 to 23199. [2021-11-12 23:43:14,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23199 states, 15309 states have (on average 1.2733032856489646) internal successors, (19493), 15550 states have internal predecessors, (19493), 6448 states have call successors, (6448), 1434 states have call predecessors, (6448), 1419 states have return successors, (7197), 6379 states have call predecessors, (7197), 6446 states have call successors, (7197) [2021-11-12 23:43:15,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23199 states to 23199 states and 33138 transitions. [2021-11-12 23:43:15,051 INFO L78 Accepts]: Start accepts. Automaton has 23199 states and 33138 transitions. Word has length 106 [2021-11-12 23:43:15,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:43:15,051 INFO L470 AbstractCegarLoop]: Abstraction has 23199 states and 33138 transitions. [2021-11-12 23:43:15,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:43:15,052 INFO L276 IsEmpty]: Start isEmpty. Operand 23199 states and 33138 transitions. [2021-11-12 23:43:15,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-12 23:43:15,054 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:43:15,054 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2021-11-12 23:43:15,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-12 23:43:15,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:43:15,255 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:43:15,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:43:15,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1019209436, now seen corresponding path program 1 times [2021-11-12 23:43:15,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:43:15,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610053257] [2021-11-12 23:43:15,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:43:15,257 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:43:15,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:43:15,258 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:43:15,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-12 23:43:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:43:18,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 1491 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:43:18,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:43:18,447 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-12 23:43:18,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:43:18,736 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-12 23:43:18,737 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:43:18,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [610053257] [2021-11-12 23:43:18,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [610053257] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:43:18,737 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:43:18,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-12 23:43:18,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013098279] [2021-11-12 23:43:18,737 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:43:18,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:43:18,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:43:18,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:43:18,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:43:18,743 INFO L87 Difference]: Start difference. First operand 23199 states and 33138 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-12 23:43:20,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:43:20,505 INFO L93 Difference]: Finished difference Result 23199 states and 33138 transitions. [2021-11-12 23:43:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:43:20,658 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 106 [2021-11-12 23:43:20,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:43:20,728 INFO L225 Difference]: With dead ends: 23199 [2021-11-12 23:43:20,728 INFO L226 Difference]: Without dead ends: 23197 [2021-11-12 23:43:20,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:43:20,737 INFO L933 BasicCegarLoop]: 5936 mSDtfsCounter, 23 mSDsluCounter, 23700 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 29636 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.10ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.93ms IncrementalHoareTripleChecker+Time [2021-11-12 23:43:20,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 29636 Invalid, 4 Unknown, 0 Unchecked, 30.10ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 20.93ms Time] [2021-11-12 23:43:20,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23197 states. [2021-11-12 23:43:22,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23197 to 23197. [2021-11-12 23:43:22,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23197 states, 15308 states have (on average 1.2727332113927359) internal successors, (19483), 15548 states have internal predecessors, (19483), 6448 states have call successors, (6448), 1434 states have call predecessors, (6448), 1419 states have return successors, (7197), 6379 states have call predecessors, (7197), 6446 states have call successors, (7197) [2021-11-12 23:43:22,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23197 states to 23197 states and 33128 transitions. [2021-11-12 23:43:22,534 INFO L78 Accepts]: Start accepts. Automaton has 23197 states and 33128 transitions. Word has length 106 [2021-11-12 23:43:22,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:43:22,535 INFO L470 AbstractCegarLoop]: Abstraction has 23197 states and 33128 transitions. [2021-11-12 23:43:22,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-12 23:43:22,535 INFO L276 IsEmpty]: Start isEmpty. Operand 23197 states and 33128 transitions. [2021-11-12 23:43:22,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-12 23:43:22,539 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:43:22,539 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:43:22,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Ended with exit code 0 [2021-11-12 23:43:22,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:43:22,755 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:43:22,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:43:22,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1553757425, now seen corresponding path program 1 times [2021-11-12 23:43:22,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:43:22,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781152730] [2021-11-12 23:43:22,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:43:22,758 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:43:22,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:43:22,759 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:43:22,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-12 23:43:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:43:25,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 1424 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:43:25,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:43:27,135 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:43:27,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:43:27,707 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:43:27,707 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:43:27,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781152730] [2021-11-12 23:43:27,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [781152730] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:43:27,708 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:43:27,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:43:27,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382873818] [2021-11-12 23:43:27,708 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:43:27,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:43:27,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:43:27,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:43:27,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:43:27,710 INFO L87 Difference]: Start difference. First operand 23197 states and 33128 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:43:29,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:43:29,677 INFO L93 Difference]: Finished difference Result 23197 states and 33128 transitions. [2021-11-12 23:43:29,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:43:29,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 107 [2021-11-12 23:43:29,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:43:29,766 INFO L225 Difference]: With dead ends: 23197 [2021-11-12 23:43:29,766 INFO L226 Difference]: Without dead ends: 23195 [2021-11-12 23:43:29,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:43:29,778 INFO L933 BasicCegarLoop]: 5934 mSDtfsCounter, 5852 mSDsluCounter, 5928 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5854 SdHoareTripleChecker+Valid, 11862 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.73ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.99ms IncrementalHoareTripleChecker+Time [2021-11-12 23:43:29,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5854 Valid, 11862 Invalid, 2 Unknown, 0 Unchecked, 22.73ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.99ms Time] [2021-11-12 23:43:29,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23195 states. [2021-11-12 23:43:31,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23195 to 23195. [2021-11-12 23:43:31,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23195 states, 15307 states have (on average 1.2726856993532372) internal successors, (19481), 15546 states have internal predecessors, (19481), 6448 states have call successors, (6448), 1434 states have call predecessors, (6448), 1419 states have return successors, (7197), 6379 states have call predecessors, (7197), 6446 states have call successors, (7197) [2021-11-12 23:43:31,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23195 states to 23195 states and 33126 transitions. [2021-11-12 23:43:31,775 INFO L78 Accepts]: Start accepts. Automaton has 23195 states and 33126 transitions. Word has length 107 [2021-11-12 23:43:31,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:43:31,776 INFO L470 AbstractCegarLoop]: Abstraction has 23195 states and 33126 transitions. [2021-11-12 23:43:31,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:43:31,776 INFO L276 IsEmpty]: Start isEmpty. Operand 23195 states and 33126 transitions. [2021-11-12 23:43:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-12 23:43:31,780 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:43:31,780 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:43:31,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-12 23:43:31,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:43:31,996 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:43:31,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:43:31,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1487444268, now seen corresponding path program 1 times [2021-11-12 23:43:31,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:43:31,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1125423498] [2021-11-12 23:43:31,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:43:31,999 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:43:31,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:43:31,999 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:43:32,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-12 23:43:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:43:34,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 1427 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:43:34,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:43:36,185 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:43:36,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:43:36,793 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:43:36,793 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:43:36,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1125423498] [2021-11-12 23:43:36,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1125423498] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:43:36,794 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:43:36,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:43:36,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441857858] [2021-11-12 23:43:36,794 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:43:36,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:43:36,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:43:36,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:43:36,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:43:36,795 INFO L87 Difference]: Start difference. First operand 23195 states and 33126 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:43:38,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:43:38,993 INFO L93 Difference]: Finished difference Result 23195 states and 33126 transitions. [2021-11-12 23:43:38,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:43:38,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 109 [2021-11-12 23:43:38,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:43:39,071 INFO L225 Difference]: With dead ends: 23195 [2021-11-12 23:43:39,071 INFO L226 Difference]: Without dead ends: 23193 [2021-11-12 23:43:39,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:43:39,082 INFO L933 BasicCegarLoop]: 5932 mSDtfsCounter, 5840 mSDsluCounter, 5930 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5842 SdHoareTripleChecker+Valid, 11862 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.89ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.81ms IncrementalHoareTripleChecker+Time [2021-11-12 23:43:39,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5842 Valid, 11862 Invalid, 2 Unknown, 0 Unchecked, 23.89ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.81ms Time] [2021-11-12 23:43:39,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23193 states. [2021-11-12 23:43:41,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23193 to 23193. [2021-11-12 23:43:41,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23193 states, 15306 states have (on average 1.2726381811054488) internal successors, (19479), 15544 states have internal predecessors, (19479), 6448 states have call successors, (6448), 1434 states have call predecessors, (6448), 1419 states have return successors, (7197), 6379 states have call predecessors, (7197), 6446 states have call successors, (7197) [2021-11-12 23:43:41,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23193 states to 23193 states and 33124 transitions. [2021-11-12 23:43:41,280 INFO L78 Accepts]: Start accepts. Automaton has 23193 states and 33124 transitions. Word has length 109 [2021-11-12 23:43:41,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:43:41,281 INFO L470 AbstractCegarLoop]: Abstraction has 23193 states and 33124 transitions. [2021-11-12 23:43:41,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:43:41,281 INFO L276 IsEmpty]: Start isEmpty. Operand 23193 states and 33124 transitions. [2021-11-12 23:43:41,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-12 23:43:41,285 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:43:41,286 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2021-11-12 23:43:41,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-12 23:43:41,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:43:41,507 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:43:41,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:43:41,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1785270230, now seen corresponding path program 1 times [2021-11-12 23:43:41,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:43:41,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1070897572] [2021-11-12 23:43:41,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:43:41,512 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:43:41,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:43:41,513 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:43:41,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-12 23:43:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:43:44,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 1498 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:43:44,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:43:45,991 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-12 23:43:45,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:43:46,720 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-12 23:43:46,721 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:43:46,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1070897572] [2021-11-12 23:43:46,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1070897572] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:43:46,721 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:43:46,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-12 23:43:46,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157214752] [2021-11-12 23:43:46,722 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:43:46,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:43:46,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:43:46,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:43:46,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:43:46,724 INFO L87 Difference]: Start difference. First operand 23193 states and 33124 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-12 23:43:49,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:43:49,326 INFO L93 Difference]: Finished difference Result 46272 states and 67481 transitions. [2021-11-12 23:43:49,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:43:49,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 110 [2021-11-12 23:43:49,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:43:49,419 INFO L225 Difference]: With dead ends: 46272 [2021-11-12 23:43:49,419 INFO L226 Difference]: Without dead ends: 23173 [2021-11-12 23:43:49,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:43:49,538 INFO L933 BasicCegarLoop]: 5927 mSDtfsCounter, 5864 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5864 SdHoareTripleChecker+Valid, 5927 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.25ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.83ms IncrementalHoareTripleChecker+Time [2021-11-12 23:43:49,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5864 Valid, 5927 Invalid, 24 Unknown, 0 Unchecked, 13.25ms Time], IncrementalHoareTripleChecker [22 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 50.83ms Time] [2021-11-12 23:43:49,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23173 states. [2021-11-12 23:43:52,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23173 to 23173. [2021-11-12 23:43:52,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23173 states, 15287 states have (on average 1.2717995682606136) internal successors, (19442), 15524 states have internal predecessors, (19442), 6448 states have call successors, (6448), 1434 states have call predecessors, (6448), 1419 states have return successors, (7197), 6379 states have call predecessors, (7197), 6446 states have call successors, (7197) [2021-11-12 23:43:52,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23173 states to 23173 states and 33087 transitions. [2021-11-12 23:43:52,335 INFO L78 Accepts]: Start accepts. Automaton has 23173 states and 33087 transitions. Word has length 110 [2021-11-12 23:43:52,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:43:52,335 INFO L470 AbstractCegarLoop]: Abstraction has 23173 states and 33087 transitions. [2021-11-12 23:43:52,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-12 23:43:52,336 INFO L276 IsEmpty]: Start isEmpty. Operand 23173 states and 33087 transitions. [2021-11-12 23:43:52,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-12 23:43:52,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:43:52,339 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:43:52,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-12 23:43:52,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:43:52,555 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:43:52,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:43:52,556 INFO L85 PathProgramCache]: Analyzing trace with hash -2018923582, now seen corresponding path program 1 times [2021-11-12 23:43:52,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:43:52,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413595887] [2021-11-12 23:43:52,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:43:52,559 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:43:52,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:43:52,560 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:43:52,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3836a76a-795e-4dc4-81aa-505effb94e9c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-12 23:43:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:43:55,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 1436 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:43:55,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:43:57,270 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:43:57,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:43:58,046 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:43:58,046 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:43:58,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413595887] [2021-11-12 23:43:58,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [413595887] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:43:58,047 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:43:58,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:43:58,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617177228] [2021-11-12 23:43:58,048 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:43:58,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:43:58,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:43:58,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:43:58,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:43:58,049 INFO L87 Difference]: Start difference. First operand 23173 states and 33087 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34)