./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs --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 e8c1c69a9209f2e1e672b4301b3aeef542d8617026686dc57b4ac44c2de1cbfb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:31:16,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:31:16,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:31:16,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:31:16,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:31:16,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:31:16,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:31:16,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:31:16,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:31:16,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:31:16,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:31:16,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:31:16,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:31:16,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:31:16,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:31:16,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:31:16,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:31:16,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:31:16,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:31:16,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:31:16,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:31:16,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:31:16,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:31:16,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:31:16,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:31:16,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:31:16,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:31:16,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:31:16,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:31:16,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:31:16,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:31:16,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:31:16,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:31:16,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:31:16,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:31:16,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:31:16,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:31:16,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:31:16,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:31:16,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:31:16,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:31:16,922 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:31:16,977 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:31:16,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:31:16,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:31:16,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:31:16,981 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:31:16,981 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:31:16,981 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:31:16,982 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:31:16,988 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:31:16,989 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:31:16,990 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:31:16,990 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:31:16,990 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:31:16,991 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:31:16,991 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:31:16,991 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:31:16,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:31:16,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:31:16,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:31:16,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:31:16,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:31:16,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:31:16,993 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:31:16,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:31:16,994 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:31:16,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:31:16,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:31:16,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:31:16,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:31:16,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:31:16,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:31:16,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:31:16,995 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:31:16,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:31:16,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:31:16,996 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:31:16,996 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:31:16,996 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_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8c1c69a9209f2e1e672b4301b3aeef542d8617026686dc57b4ac44c2de1cbfb [2021-11-19 14:31:17,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:31:17,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:31:17,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:31:17,336 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:31:17,337 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:31:17,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2021-11-19 14:31:17,404 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/data/b9ea03acb/8561f1e6ac394651ab371d524854ccd4/FLAG91677435a [2021-11-19 14:31:18,541 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:31:18,543 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2021-11-19 14:31:18,622 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/data/b9ea03acb/8561f1e6ac394651ab371d524854ccd4/FLAG91677435a [2021-11-19 14:31:18,767 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/data/b9ea03acb/8561f1e6ac394651ab371d524854ccd4 [2021-11-19 14:31:18,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:31:18,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:31:18,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:31:18,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:31:18,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:31:18,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:31:18" (1/1) ... [2021-11-19 14:31:18,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61811da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:18, skipping insertion in model container [2021-11-19 14:31:18,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:31:18" (1/1) ... [2021-11-19 14:31:18,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:31:19,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:31:21,385 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:21,520 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:21,527 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:21,542 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:21,564 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:21,573 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:21,586 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,049 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,056 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,391 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,422 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,423 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,424 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,425 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,433 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,437 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,449 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,452 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,453 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,461 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,463 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,472 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,481 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,482 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,484 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,486 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,490 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,532 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,541 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,553 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,563 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,575 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,600 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,666 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,673 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,682 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,685 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,718 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,722 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,745 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,746 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,750 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,757 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,758 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,760 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,762 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,764 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,766 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,768 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,769 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,770 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,772 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,774 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,800 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,801 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,803 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,808 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,817 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,818 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,819 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,820 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:22,821 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:23,069 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:23,071 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:23,072 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:23,073 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:23,077 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:23,078 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:23,078 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:23,080 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:23,082 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:23,087 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:23,138 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:23,140 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:23,493 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:23,500 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:31:25,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[489935,489948] [2021-11-19 14:31:25,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490080,490093] [2021-11-19 14:31:25,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490226,490239] [2021-11-19 14:31:25,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490391,490404] [2021-11-19 14:31:25,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490549,490562] [2021-11-19 14:31:25,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490707,490720] [2021-11-19 14:31:25,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490865,490878] [2021-11-19 14:31:25,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491025,491038] [2021-11-19 14:31:25,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491184,491197] [2021-11-19 14:31:25,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491323,491336] [2021-11-19 14:31:25,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491465,491478] [2021-11-19 14:31:25,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491614,491627] [2021-11-19 14:31:25,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491753,491766] [2021-11-19 14:31:25,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491908,491921] [2021-11-19 14:31:25,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492068,492081] [2021-11-19 14:31:25,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492219,492232] [2021-11-19 14:31:25,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492370,492383] [2021-11-19 14:31:25,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492522,492535] [2021-11-19 14:31:25,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492671,492684] [2021-11-19 14:31:25,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492819,492832] [2021-11-19 14:31:25,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492976,492989] [2021-11-19 14:31:25,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493125,493138] [2021-11-19 14:31:25,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493281,493294] [2021-11-19 14:31:25,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493434,493447] [2021-11-19 14:31:25,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493580,493593] [2021-11-19 14:31:25,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493723,493736] [2021-11-19 14:31:25,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493875,493888] [2021-11-19 14:31:25,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494021,494034] [2021-11-19 14:31:25,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494166,494179] [2021-11-19 14:31:25,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494320,494333] [2021-11-19 14:31:25,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494471,494484] [2021-11-19 14:31:25,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494626,494639] [2021-11-19 14:31:25,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494778,494791] [2021-11-19 14:31:25,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494933,494946] [2021-11-19 14:31:25,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495097,495110] [2021-11-19 14:31:25,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495253,495266] [2021-11-19 14:31:25,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495417,495430] [2021-11-19 14:31:25,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495559,495572] [2021-11-19 14:31:25,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495717,495730] [2021-11-19 14:31:25,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495884,495897] [2021-11-19 14:31:25,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496043,496056] [2021-11-19 14:31:25,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496202,496215] [2021-11-19 14:31:25,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496351,496364] [2021-11-19 14:31:25,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496498,496511] [2021-11-19 14:31:25,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496637,496650] [2021-11-19 14:31:25,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496800,496813] [2021-11-19 14:31:25,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496966,496979] [2021-11-19 14:31:25,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497130,497143] [2021-11-19 14:31:25,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497295,497308] [2021-11-19 14:31:25,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497460,497473] [2021-11-19 14:31:25,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497626,497639] [2021-11-19 14:31:25,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497791,497804] [2021-11-19 14:31:25,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497958,497971] [2021-11-19 14:31:25,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498118,498131] [2021-11-19 14:31:25,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498280,498293] [2021-11-19 14:31:25,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498439,498452] [2021-11-19 14:31:25,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498585,498598] [2021-11-19 14:31:25,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498728,498741] [2021-11-19 14:31:25,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498872,498885] [2021-11-19 14:31:25,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499015,499028] [2021-11-19 14:31:25,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499159,499172] [2021-11-19 14:31:25,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499300,499313] [2021-11-19 14:31:25,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499438,499451] [2021-11-19 14:31:25,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499596,499609] [2021-11-19 14:31:25,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499755,499768] [2021-11-19 14:31:25,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499911,499924] [2021-11-19 14:31:25,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500060,500073] [2021-11-19 14:31:25,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500212,500225] [2021-11-19 14:31:25,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500363,500376] [2021-11-19 14:31:25,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500512,500525] [2021-11-19 14:31:25,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500664,500677] [2021-11-19 14:31:25,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500812,500825] [2021-11-19 14:31:25,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500965,500978] [2021-11-19 14:31:25,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501116,501129] [2021-11-19 14:31:25,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501266,501279] [2021-11-19 14:31:25,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501413,501426] [2021-11-19 14:31:25,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501564,501577] [2021-11-19 14:31:25,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501715,501728] [2021-11-19 14:31:25,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501863,501876] [2021-11-19 14:31:25,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502029,502042] [2021-11-19 14:31:25,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502198,502211] [2021-11-19 14:31:25,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502365,502378] [2021-11-19 14:31:25,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502533,502546] [2021-11-19 14:31:25,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502683,502696] [2021-11-19 14:31:25,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502830,502843] [2021-11-19 14:31:25,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502991,503004] [2021-11-19 14:31:25,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503161,503174] [2021-11-19 14:31:25,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503323,503336] [2021-11-19 14:31:25,608 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:31:25,687 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) [2021-11-19 14:31:25,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e1d176b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:25, skipping insertion in model container [2021-11-19 14:31:25,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:31:25,689 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:31:25,696 INFO L158 Benchmark]: Toolchain (without parser) took 6919.37ms. Allocated memory was 104.9MB in the beginning and 207.6MB in the end (delta: 102.8MB). Free memory was 68.0MB in the beginning and 100.5MB in the end (delta: -32.5MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2021-11-19 14:31:25,697 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 104.9MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:31:25,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6916.94ms. Allocated memory was 104.9MB in the beginning and 207.6MB in the end (delta: 102.8MB). Free memory was 67.8MB in the beginning and 100.5MB in the end (delta: -32.8MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2021-11-19 14:31:25,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 104.9MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6916.94ms. Allocated memory was 104.9MB in the beginning and 207.6MB in the end (delta: 102.8MB). Free memory was 67.8MB in the beginning and 100.5MB in the end (delta: -32.8MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7034]: 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_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs --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 e8c1c69a9209f2e1e672b4301b3aeef542d8617026686dc57b4ac44c2de1cbfb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:31:28,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:31:28,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:31:28,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:31:28,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:31:28,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:31:28,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:31:28,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:31:28,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:31:28,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:31:28,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:31:28,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:31:28,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:31:28,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:31:28,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:31:28,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:31:28,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:31:28,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:31:28,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:31:28,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:31:28,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:31:28,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:31:28,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:31:28,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:31:28,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:31:28,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:31:28,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:31:28,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:31:28,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:31:28,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:31:28,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:31:28,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:31:28,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:31:28,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:31:28,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:31:28,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:31:28,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:31:28,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:31:28,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:31:28,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:31:28,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:31:28,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:31:28,417 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:31:28,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:31:28,418 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:31:28,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:31:28,419 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:31:28,420 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:31:28,420 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:31:28,421 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:31:28,426 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:31:28,427 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:31:28,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:31:28,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:31:28,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:31:28,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:31:28,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:31:28,432 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:31:28,435 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:31:28,435 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:31:28,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:31:28,436 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:31:28,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:31:28,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:31:28,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:31:28,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:31:28,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:31:28,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:31:28,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:31:28,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:31:28,439 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:31:28,439 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:31:28,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:31:28,440 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:31:28,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:31:28,440 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_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8c1c69a9209f2e1e672b4301b3aeef542d8617026686dc57b4ac44c2de1cbfb [2021-11-19 14:31:28,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:31:28,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:31:28,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:31:28,936 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:31:28,937 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:31:28,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2021-11-19 14:31:29,033 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/data/aef4d44bd/d398ff187643447d98cc682d48b28fef/FLAGd28798150 [2021-11-19 14:31:30,221 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:31:30,222 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2021-11-19 14:31:30,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/data/aef4d44bd/d398ff187643447d98cc682d48b28fef/FLAGd28798150 [2021-11-19 14:31:30,450 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/data/aef4d44bd/d398ff187643447d98cc682d48b28fef [2021-11-19 14:31:30,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:31:30,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:31:30,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:31:30,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:31:30,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:31:30,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:31:30" (1/1) ... [2021-11-19 14:31:30,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b4caac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:30, skipping insertion in model container [2021-11-19 14:31:30,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:31:30" (1/1) ... [2021-11-19 14:31:30,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:31:30,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:31:36,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[489935,489948] [2021-11-19 14:31:36,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490080,490093] [2021-11-19 14:31:36,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490226,490239] [2021-11-19 14:31:36,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490391,490404] [2021-11-19 14:31:36,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490549,490562] [2021-11-19 14:31:36,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490707,490720] [2021-11-19 14:31:36,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490865,490878] [2021-11-19 14:31:36,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491025,491038] [2021-11-19 14:31:36,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491184,491197] [2021-11-19 14:31:36,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491323,491336] [2021-11-19 14:31:36,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491465,491478] [2021-11-19 14:31:36,891 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491614,491627] [2021-11-19 14:31:36,891 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491753,491766] [2021-11-19 14:31:36,892 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491908,491921] [2021-11-19 14:31:36,892 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492068,492081] [2021-11-19 14:31:36,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492219,492232] [2021-11-19 14:31:36,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492370,492383] [2021-11-19 14:31:36,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492522,492535] [2021-11-19 14:31:36,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492671,492684] [2021-11-19 14:31:36,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492819,492832] [2021-11-19 14:31:36,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492976,492989] [2021-11-19 14:31:36,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493125,493138] [2021-11-19 14:31:36,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493281,493294] [2021-11-19 14:31:36,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493434,493447] [2021-11-19 14:31:36,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493580,493593] [2021-11-19 14:31:36,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493723,493736] [2021-11-19 14:31:36,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493875,493888] [2021-11-19 14:31:36,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494021,494034] [2021-11-19 14:31:36,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494166,494179] [2021-11-19 14:31:36,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494320,494333] [2021-11-19 14:31:36,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494471,494484] [2021-11-19 14:31:36,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494626,494639] [2021-11-19 14:31:36,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494778,494791] [2021-11-19 14:31:36,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494933,494946] [2021-11-19 14:31:36,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495097,495110] [2021-11-19 14:31:36,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495253,495266] [2021-11-19 14:31:36,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495417,495430] [2021-11-19 14:31:36,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495559,495572] [2021-11-19 14:31:36,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495717,495730] [2021-11-19 14:31:36,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495884,495897] [2021-11-19 14:31:36,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496043,496056] [2021-11-19 14:31:36,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496202,496215] [2021-11-19 14:31:36,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496351,496364] [2021-11-19 14:31:36,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496498,496511] [2021-11-19 14:31:36,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496637,496650] [2021-11-19 14:31:36,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496800,496813] [2021-11-19 14:31:36,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496966,496979] [2021-11-19 14:31:36,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497130,497143] [2021-11-19 14:31:36,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497295,497308] [2021-11-19 14:31:36,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497460,497473] [2021-11-19 14:31:36,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497626,497639] [2021-11-19 14:31:36,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497791,497804] [2021-11-19 14:31:36,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497958,497971] [2021-11-19 14:31:36,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498118,498131] [2021-11-19 14:31:36,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498280,498293] [2021-11-19 14:31:36,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498439,498452] [2021-11-19 14:31:36,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498585,498598] [2021-11-19 14:31:36,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498728,498741] [2021-11-19 14:31:36,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498872,498885] [2021-11-19 14:31:36,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499015,499028] [2021-11-19 14:31:36,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499159,499172] [2021-11-19 14:31:36,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499300,499313] [2021-11-19 14:31:36,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499438,499451] [2021-11-19 14:31:36,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499596,499609] [2021-11-19 14:31:36,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499755,499768] [2021-11-19 14:31:36,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499911,499924] [2021-11-19 14:31:36,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500060,500073] [2021-11-19 14:31:36,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500212,500225] [2021-11-19 14:31:36,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500363,500376] [2021-11-19 14:31:36,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500512,500525] [2021-11-19 14:31:36,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500664,500677] [2021-11-19 14:31:36,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500812,500825] [2021-11-19 14:31:36,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500965,500978] [2021-11-19 14:31:36,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501116,501129] [2021-11-19 14:31:36,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501266,501279] [2021-11-19 14:31:36,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501413,501426] [2021-11-19 14:31:36,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501564,501577] [2021-11-19 14:31:36,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501715,501728] [2021-11-19 14:31:36,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501863,501876] [2021-11-19 14:31:36,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502029,502042] [2021-11-19 14:31:36,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502198,502211] [2021-11-19 14:31:36,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502365,502378] [2021-11-19 14:31:36,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502533,502546] [2021-11-19 14:31:36,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502683,502696] [2021-11-19 14:31:36,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502830,502843] [2021-11-19 14:31:36,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502991,503004] [2021-11-19 14:31:36,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503161,503174] [2021-11-19 14:31:36,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503323,503336] [2021-11-19 14:31:36,973 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:31:37,073 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:31:37,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:31:37,685 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[489935,489948] [2021-11-19 14:31:37,687 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490080,490093] [2021-11-19 14:31:37,688 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490226,490239] [2021-11-19 14:31:37,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490391,490404] [2021-11-19 14:31:37,690 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490549,490562] [2021-11-19 14:31:37,691 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490707,490720] [2021-11-19 14:31:37,691 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490865,490878] [2021-11-19 14:31:37,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491025,491038] [2021-11-19 14:31:37,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491184,491197] [2021-11-19 14:31:37,693 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491323,491336] [2021-11-19 14:31:37,697 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491465,491478] [2021-11-19 14:31:37,697 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491614,491627] [2021-11-19 14:31:37,698 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491753,491766] [2021-11-19 14:31:37,698 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491908,491921] [2021-11-19 14:31:37,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492068,492081] [2021-11-19 14:31:37,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492219,492232] [2021-11-19 14:31:37,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492370,492383] [2021-11-19 14:31:37,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492522,492535] [2021-11-19 14:31:37,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492671,492684] [2021-11-19 14:31:37,701 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492819,492832] [2021-11-19 14:31:37,701 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492976,492989] [2021-11-19 14:31:37,702 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493125,493138] [2021-11-19 14:31:37,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493281,493294] [2021-11-19 14:31:37,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493434,493447] [2021-11-19 14:31:37,704 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493580,493593] [2021-11-19 14:31:37,704 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493723,493736] [2021-11-19 14:31:37,705 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493875,493888] [2021-11-19 14:31:37,705 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494021,494034] [2021-11-19 14:31:37,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494166,494179] [2021-11-19 14:31:37,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494320,494333] [2021-11-19 14:31:37,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494471,494484] [2021-11-19 14:31:37,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494626,494639] [2021-11-19 14:31:37,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494778,494791] [2021-11-19 14:31:37,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494933,494946] [2021-11-19 14:31:37,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495097,495110] [2021-11-19 14:31:37,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495253,495266] [2021-11-19 14:31:37,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495417,495430] [2021-11-19 14:31:37,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495559,495572] [2021-11-19 14:31:37,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495717,495730] [2021-11-19 14:31:37,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495884,495897] [2021-11-19 14:31:37,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496043,496056] [2021-11-19 14:31:37,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496202,496215] [2021-11-19 14:31:37,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496351,496364] [2021-11-19 14:31:37,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496498,496511] [2021-11-19 14:31:37,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496637,496650] [2021-11-19 14:31:37,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496800,496813] [2021-11-19 14:31:37,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496966,496979] [2021-11-19 14:31:37,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497130,497143] [2021-11-19 14:31:37,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497295,497308] [2021-11-19 14:31:37,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497460,497473] [2021-11-19 14:31:37,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497626,497639] [2021-11-19 14:31:37,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497791,497804] [2021-11-19 14:31:37,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497958,497971] [2021-11-19 14:31:37,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498118,498131] [2021-11-19 14:31:37,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498280,498293] [2021-11-19 14:31:37,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498439,498452] [2021-11-19 14:31:37,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498585,498598] [2021-11-19 14:31:37,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498728,498741] [2021-11-19 14:31:37,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498872,498885] [2021-11-19 14:31:37,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499015,499028] [2021-11-19 14:31:37,737 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499159,499172] [2021-11-19 14:31:37,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499300,499313] [2021-11-19 14:31:37,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499438,499451] [2021-11-19 14:31:37,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499596,499609] [2021-11-19 14:31:37,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499755,499768] [2021-11-19 14:31:37,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499911,499924] [2021-11-19 14:31:37,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500060,500073] [2021-11-19 14:31:37,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500212,500225] [2021-11-19 14:31:37,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500363,500376] [2021-11-19 14:31:37,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500512,500525] [2021-11-19 14:31:37,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500664,500677] [2021-11-19 14:31:37,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500812,500825] [2021-11-19 14:31:37,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500965,500978] [2021-11-19 14:31:37,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501116,501129] [2021-11-19 14:31:37,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501266,501279] [2021-11-19 14:31:37,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501413,501426] [2021-11-19 14:31:37,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501564,501577] [2021-11-19 14:31:37,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501715,501728] [2021-11-19 14:31:37,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501863,501876] [2021-11-19 14:31:37,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502029,502042] [2021-11-19 14:31:37,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502198,502211] [2021-11-19 14:31:37,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502365,502378] [2021-11-19 14:31:37,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502533,502546] [2021-11-19 14:31:37,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502683,502696] [2021-11-19 14:31:37,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502830,502843] [2021-11-19 14:31:37,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502991,503004] [2021-11-19 14:31:37,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503161,503174] [2021-11-19 14:31:37,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503323,503336] [2021-11-19 14:31:37,768 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:31:37,799 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:31:38,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[489935,489948] [2021-11-19 14:31:38,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490080,490093] [2021-11-19 14:31:38,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490226,490239] [2021-11-19 14:31:38,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490391,490404] [2021-11-19 14:31:38,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490549,490562] [2021-11-19 14:31:38,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490707,490720] [2021-11-19 14:31:38,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490865,490878] [2021-11-19 14:31:38,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491025,491038] [2021-11-19 14:31:38,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491184,491197] [2021-11-19 14:31:38,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491323,491336] [2021-11-19 14:31:38,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491465,491478] [2021-11-19 14:31:38,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491614,491627] [2021-11-19 14:31:38,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491753,491766] [2021-11-19 14:31:38,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491908,491921] [2021-11-19 14:31:38,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492068,492081] [2021-11-19 14:31:38,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492219,492232] [2021-11-19 14:31:38,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492370,492383] [2021-11-19 14:31:38,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492522,492535] [2021-11-19 14:31:38,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492671,492684] [2021-11-19 14:31:38,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492819,492832] [2021-11-19 14:31:38,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492976,492989] [2021-11-19 14:31:38,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493125,493138] [2021-11-19 14:31:38,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493281,493294] [2021-11-19 14:31:38,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493434,493447] [2021-11-19 14:31:38,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493580,493593] [2021-11-19 14:31:38,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493723,493736] [2021-11-19 14:31:38,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493875,493888] [2021-11-19 14:31:38,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494021,494034] [2021-11-19 14:31:38,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494166,494179] [2021-11-19 14:31:38,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494320,494333] [2021-11-19 14:31:38,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494471,494484] [2021-11-19 14:31:38,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494626,494639] [2021-11-19 14:31:38,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494778,494791] [2021-11-19 14:31:38,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494933,494946] [2021-11-19 14:31:38,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495097,495110] [2021-11-19 14:31:38,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495253,495266] [2021-11-19 14:31:38,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495417,495430] [2021-11-19 14:31:38,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495559,495572] [2021-11-19 14:31:38,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495717,495730] [2021-11-19 14:31:38,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495884,495897] [2021-11-19 14:31:38,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496043,496056] [2021-11-19 14:31:38,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496202,496215] [2021-11-19 14:31:38,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496351,496364] [2021-11-19 14:31:38,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496498,496511] [2021-11-19 14:31:38,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496637,496650] [2021-11-19 14:31:38,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496800,496813] [2021-11-19 14:31:38,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496966,496979] [2021-11-19 14:31:38,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497130,497143] [2021-11-19 14:31:38,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497295,497308] [2021-11-19 14:31:38,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497460,497473] [2021-11-19 14:31:38,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497626,497639] [2021-11-19 14:31:38,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497791,497804] [2021-11-19 14:31:38,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497958,497971] [2021-11-19 14:31:38,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498118,498131] [2021-11-19 14:31:38,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498280,498293] [2021-11-19 14:31:38,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498439,498452] [2021-11-19 14:31:38,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498585,498598] [2021-11-19 14:31:38,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498728,498741] [2021-11-19 14:31:38,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498872,498885] [2021-11-19 14:31:38,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499015,499028] [2021-11-19 14:31:38,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499159,499172] [2021-11-19 14:31:38,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499300,499313] [2021-11-19 14:31:38,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499438,499451] [2021-11-19 14:31:38,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499596,499609] [2021-11-19 14:31:38,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499755,499768] [2021-11-19 14:31:38,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499911,499924] [2021-11-19 14:31:38,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500060,500073] [2021-11-19 14:31:38,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500212,500225] [2021-11-19 14:31:38,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500363,500376] [2021-11-19 14:31:38,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500512,500525] [2021-11-19 14:31:38,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500664,500677] [2021-11-19 14:31:38,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500812,500825] [2021-11-19 14:31:38,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500965,500978] [2021-11-19 14:31:38,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501116,501129] [2021-11-19 14:31:38,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501266,501279] [2021-11-19 14:31:38,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501413,501426] [2021-11-19 14:31:38,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501564,501577] [2021-11-19 14:31:38,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501715,501728] [2021-11-19 14:31:38,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501863,501876] [2021-11-19 14:31:38,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502029,502042] [2021-11-19 14:31:38,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502198,502211] [2021-11-19 14:31:38,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502365,502378] [2021-11-19 14:31:38,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502533,502546] [2021-11-19 14:31:38,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502683,502696] [2021-11-19 14:31:38,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502830,502843] [2021-11-19 14:31:38,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502991,503004] [2021-11-19 14:31:38,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503161,503174] [2021-11-19 14:31:38,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503323,503336] [2021-11-19 14:31:38,417 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:31:38,817 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:31:38,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:38 WrapperNode [2021-11-19 14:31:38,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:31:38,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:31:38,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:31:38,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:31:38,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:38" (1/1) ... [2021-11-19 14:31:39,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:38" (1/1) ... [2021-11-19 14:31:39,400 INFO L137 Inliner]: procedures = 792, calls = 2913, calls flagged for inlining = 351, calls inlined = 278, statements flattened = 7065 [2021-11-19 14:31:39,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:31:39,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:31:39,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:31:39,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:31:39,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:38" (1/1) ... [2021-11-19 14:31:39,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:38" (1/1) ... [2021-11-19 14:31:39,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:38" (1/1) ... [2021-11-19 14:31:39,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:38" (1/1) ... [2021-11-19 14:31:39,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:38" (1/1) ... [2021-11-19 14:31:39,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:38" (1/1) ... [2021-11-19 14:31:39,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:38" (1/1) ... [2021-11-19 14:31:39,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:31:39,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:31:39,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:31:39,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:31:39,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:38" (1/1) ... [2021-11-19 14:31:39,951 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:31:39,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:31:40,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:31:40,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:31:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-11-19 14:31:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-11-19 14:31:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-19 14:31:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-19 14:31:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-19 14:31:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-19 14:31:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-19 14:31:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-11-19 14:31:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-11-19 14:31:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-11-19 14:31:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-11-19 14:31:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 14:31:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 14:31:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2021-11-19 14:31:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2021-11-19 14:31:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-11-19 14:31:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-11-19 14:31:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-19 14:31:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-19 14:31:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 14:31:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 14:31:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__double_init [2021-11-19 14:31:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__double_init [2021-11-19 14:31:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-11-19 14:31:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-11-19 14:31:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-19 14:31:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-19 14:31:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-19 14:31:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-19 14:31:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-19 14:31:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-19 14:31:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:31:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:31:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-19 14:31:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-19 14:31:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-19 14:31:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-19 14:31:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-19 14:31:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-19 14:31:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2021-11-19 14:31:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2021-11-19 14:31:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-19 14:31:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-19 14:31:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-19 14:31:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-19 14:31:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-11-19 14:31:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-11-19 14:31:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:31:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-19 14:31:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-19 14:31:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:31:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2021-11-19 14:31:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2021-11-19 14:31:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2021-11-19 14:31:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2021-11-19 14:31:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:31:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:31:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:31:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 14:31:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-19 14:31:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-19 14:31:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-19 14:31:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-19 14:31:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-19 14:31:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-19 14:31:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-19 14:31:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-19 14:31:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 14:31:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 14:31:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-11-19 14:31:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-11-19 14:31:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_198 [2021-11-19 14:31:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_198 [2021-11-19 14:31:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:31:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:31:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-19 14:31:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-19 14:31:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:31:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-19 14:31:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-19 14:31:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-11-19 14:31:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-11-19 14:31:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-11-19 14:31:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-11-19 14:31:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-19 14:31:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-19 14:31:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-19 14:31:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-19 14:31:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-11-19 14:31:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-11-19 14:31:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:31:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:31:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-19 14:31:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-19 14:31:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-19 14:31:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-19 14:31:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:31:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 14:31:40,154 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 14:31:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-19 14:31:40,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-19 14:31:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-11-19 14:31:40,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-11-19 14:31:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:31:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2021-11-19 14:31:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2021-11-19 14:31:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2021-11-19 14:31:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2021-11-19 14:31:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-11-19 14:31:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-11-19 14:31:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2021-11-19 14:31:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2021-11-19 14:31:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_alloc_p [2021-11-19 14:31:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_alloc_p [2021-11-19 14:31:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 14:31:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 14:31:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-11-19 14:31:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-11-19 14:31:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-11-19 14:31:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-11-19 14:31:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 14:31:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 14:31:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_init [2021-11-19 14:31:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_init [2021-11-19 14:31:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-19 14:31:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-19 14:31:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-19 14:31:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-19 14:31:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-19 14:31:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-19 14:31:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-19 14:31:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-19 14:31:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:31:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:31:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-19 14:31:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-19 14:31:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-19 14:31:40,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-19 14:31:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-19 14:31:40,161 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-19 14:31:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:31:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:31:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:31:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:31:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:31:40,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:31:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-11-19 14:31:40,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-11-19 14:31:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-19 14:31:40,162 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-19 14:31:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-19 14:31:40,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-19 14:31:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2021-11-19 14:31:40,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2021-11-19 14:31:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-11-19 14:31:40,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-11-19 14:31:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-11-19 14:31:40,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-11-19 14:31:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-11-19 14:31:40,164 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-11-19 14:31:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-19 14:31:40,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-19 14:31:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:31:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:31:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_159 [2021-11-19 14:31:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_159 [2021-11-19 14:31:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:31:40,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:31:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-11-19 14:31:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-11-19 14:31:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-19 14:31:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-19 14:31:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-19 14:31:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-19 14:31:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 14:31:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 14:31:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-11-19 14:31:40,167 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-11-19 14:31:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2021-11-19 14:31:40,167 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2021-11-19 14:31:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:31:40,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:31:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-19 14:31:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-19 14:31:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 14:31:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 14:31:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:31:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:31:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-19 14:31:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-19 14:31:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:31:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:31:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:31:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:31:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2021-11-19 14:31:40,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2021-11-19 14:31:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 14:31:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 14:31:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-11-19 14:31:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-11-19 14:31:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 14:31:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 14:31:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_197 [2021-11-19 14:31:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_197 [2021-11-19 14:31:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-19 14:31:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-19 14:31:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_153 [2021-11-19 14:31:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_153 [2021-11-19 14:31:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 14:31:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 14:31:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-19 14:31:40,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-19 14:31:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-19 14:31:40,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-19 14:31:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-19 14:31:40,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-19 14:31:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2021-11-19 14:31:40,172 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2021-11-19 14:31:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2021-11-19 14:31:40,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2021-11-19 14:31:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_166 [2021-11-19 14:31:40,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_166 [2021-11-19 14:31:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__more_at_exit [2021-11-19 14:31:40,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__more_at_exit [2021-11-19 14:31:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 14:31:40,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 14:31:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-11-19 14:31:40,174 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-11-19 14:31:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_131 [2021-11-19 14:31:40,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_131 [2021-11-19 14:31:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2021-11-19 14:31:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2021-11-19 14:31:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-11-19 14:31:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-11-19 14:31:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-19 14:31:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-19 14:31:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-19 14:31:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-19 14:31:40,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2021-11-19 14:31:40,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2021-11-19 14:31:40,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-19 14:31:40,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-19 14:31:40,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2021-11-19 14:31:40,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2021-11-19 14:31:40,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_lock [2021-11-19 14:31:40,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_lock [2021-11-19 14:31:40,177 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init_net [2021-11-19 14:31:40,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init_net [2021-11-19 14:31:40,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:31:40,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:31:40,177 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:31:40,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:31:40,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:31:40,178 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-19 14:31:40,178 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-19 14:31:40,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-19 14:31:40,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-19 14:31:40,178 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-11-19 14:31:40,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-11-19 14:31:40,179 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-11-19 14:31:40,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-11-19 14:31:40,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:31:40,179 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-19 14:31:40,179 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-19 14:31:40,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:31:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:31:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-19 14:31:40,180 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-19 14:31:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:31:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:31:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:31:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:31:40,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:31:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_setup [2021-11-19 14:31:40,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_setup [2021-11-19 14:31:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 14:31:40,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 14:31:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-19 14:31:40,182 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-19 14:31:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-11-19 14:31:40,182 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-11-19 14:31:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 14:31:40,182 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 14:31:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-11-19 14:31:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-11-19 14:31:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 14:31:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 14:31:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2021-11-19 14:31:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2021-11-19 14:31:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:31:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:31:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:31:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:31:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:31:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-19 14:31:40,184 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-19 14:31:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_167 [2021-11-19 14:31:40,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_167 [2021-11-19 14:31:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_lock [2021-11-19 14:31:40,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_lock [2021-11-19 14:31:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-19 14:31:40,185 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-19 14:31:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-19 14:31:40,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-19 14:31:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-19 14:31:40,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-19 14:31:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_154 [2021-11-19 14:31:40,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_154 [2021-11-19 14:31:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:31:40,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:31:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_UINT [2021-11-19 14:31:40,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_UINT [2021-11-19 14:31:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-11-19 14:31:40,187 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-11-19 14:31:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-11-19 14:31:40,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-11-19 14:31:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2021-11-19 14:31:40,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2021-11-19 14:31:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-19 14:31:40,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-19 14:31:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 14:31:40,188 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 14:31:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2021-11-19 14:31:40,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2021-11-19 14:31:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-11-19 14:31:40,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-11-19 14:31:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_134 [2021-11-19 14:31:40,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_134 [2021-11-19 14:31:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2021-11-19 14:31:40,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2021-11-19 14:31:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-11-19 14:31:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-11-19 14:31:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-19 14:31:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-19 14:31:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:31:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:31:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-11-19 14:31:40,191 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-11-19 14:31:40,191 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2021-11-19 14:31:40,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2021-11-19 14:31:40,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-19 14:31:40,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-19 14:31:40,191 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-19 14:31:40,191 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-19 14:31:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-19 14:31:40,192 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-19 14:31:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-19 14:31:40,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-19 14:31:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-19 14:31:40,192 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-19 14:31:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-19 14:31:40,193 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-19 14:31:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-19 14:31:40,193 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-19 14:31:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-11-19 14:31:40,193 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-11-19 14:31:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:31:40,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:31:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-19 14:31:40,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-19 14:31:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2021-11-19 14:31:40,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2021-11-19 14:31:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2021-11-19 14:31:40,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2021-11-19 14:31:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2021-11-19 14:31:40,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2021-11-19 14:31:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-19 14:31:40,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-19 14:31:41,441 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:31:41,451 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:31:41,675 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:32:30,184 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:32:30,209 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:32:30,209 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-19 14:32:30,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:30 BoogieIcfgContainer [2021-11-19 14:32:30,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:32:30,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:32:30,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:32:30,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:32:30,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:31:30" (1/3) ... [2021-11-19 14:32:30,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4291d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:32:30, skipping insertion in model container [2021-11-19 14:32:30,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:38" (2/3) ... [2021-11-19 14:32:30,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4291d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:32:30, skipping insertion in model container [2021-11-19 14:32:30,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:30" (3/3) ... [2021-11-19 14:32:30,225 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2021-11-19 14:32:30,231 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:32:30,231 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2021-11-19 14:32:30,292 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:32:30,298 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 [2021-11-19 14:32:30,299 INFO L340 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2021-11-19 14:32:30,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 2655 states, 1783 states have (on average 1.3258553000560853) internal successors, (2364), 1902 states have internal predecessors, (2364), 662 states have call successors, (662), 168 states have call predecessors, (662), 167 states have return successors, (656), 633 states have call predecessors, (656), 656 states have call successors, (656) [2021-11-19 14:32:30,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-19 14:32:30,376 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:32:30,377 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-19 14:32:30,378 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:32:30,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:32:30,383 INFO L85 PathProgramCache]: Analyzing trace with hash 575793846, now seen corresponding path program 1 times [2021-11-19 14:32:30,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:32:30,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [266294331] [2021-11-19 14:32:30,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:32:30,401 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:32:30,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:32:30,405 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:32:30,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:32:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:32:32,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:32:32,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:32:32,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 14:32:32,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:32:33,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 14:32:33,177 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:32:33,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [266294331] [2021-11-19 14:32:33,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [266294331] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:32:33,178 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:32:33,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-19 14:32:33,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385672158] [2021-11-19 14:32:33,182 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:32:33,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:32:33,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:32:33,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:32:33,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:32:33,230 INFO L87 Difference]: Start difference. First operand has 2655 states, 1783 states have (on average 1.3258553000560853) internal successors, (2364), 1902 states have internal predecessors, (2364), 662 states have call successors, (662), 168 states have call predecessors, (662), 167 states have return successors, (656), 633 states have call predecessors, (656), 656 states have call successors, (656) Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-19 14:32:34,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:32:34,139 INFO L93 Difference]: Finished difference Result 7815 states and 11337 transitions. [2021-11-19 14:32:34,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:32:34,142 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 34 [2021-11-19 14:32:34,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:32:34,204 INFO L225 Difference]: With dead ends: 7815 [2021-11-19 14:32:34,204 INFO L226 Difference]: Without dead ends: 5155 [2021-11-19 14:32:34,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-19 14:32:34,235 INFO L933 BasicCegarLoop]: 6629 mSDtfsCounter, 3544 mSDsluCounter, 29972 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3545 SdHoareTripleChecker+Valid, 36601 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:32:34,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3545 Valid, 36601 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:32:34,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5155 states. [2021-11-19 14:32:34,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5155 to 5062. [2021-11-19 14:32:34,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5062 states, 3420 states have (on average 1.287719298245614) internal successors, (4404), 3607 states have internal predecessors, (4404), 1269 states have call successors, (1269), 331 states have call predecessors, (1269), 330 states have return successors, (1267), 1218 states have call predecessors, (1267), 1267 states have call successors, (1267) [2021-11-19 14:32:34,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5062 states to 5062 states and 6940 transitions. [2021-11-19 14:32:34,740 INFO L78 Accepts]: Start accepts. Automaton has 5062 states and 6940 transitions. Word has length 34 [2021-11-19 14:32:34,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:32:34,741 INFO L470 AbstractCegarLoop]: Abstraction has 5062 states and 6940 transitions. [2021-11-19 14:32:34,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-19 14:32:34,742 INFO L276 IsEmpty]: Start isEmpty. Operand 5062 states and 6940 transitions. [2021-11-19 14:32:34,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-19 14:32:34,746 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:32:34,747 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:32:34,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:32:34,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:32:34,961 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:32:34,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:32:34,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1122811761, now seen corresponding path program 1 times [2021-11-19 14:32:34,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:32:34,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1612117501] [2021-11-19 14:32:34,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:32:34,968 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:32:34,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:32:34,969 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:32:34,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:32:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:32:36,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:32:36,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:32:37,484 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-19 14:32:37,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:32:37,831 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-19 14:32:37,831 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:32:37,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1612117501] [2021-11-19 14:32:37,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1612117501] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:32:37,832 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:32:37,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-19 14:32:37,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621304244] [2021-11-19 14:32:37,832 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:32:37,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:32:37,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:32:37,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:32:37,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:32:37,835 INFO L87 Difference]: Start difference. First operand 5062 states and 6940 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-19 14:32:38,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:32:38,348 INFO L93 Difference]: Finished difference Result 5062 states and 6940 transitions. [2021-11-19 14:32:38,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:32:38,349 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2021-11-19 14:32:38,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:32:38,392 INFO L225 Difference]: With dead ends: 5062 [2021-11-19 14:32:38,392 INFO L226 Difference]: Without dead ends: 5060 [2021-11-19 14:32:38,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-19 14:32:38,397 INFO L933 BasicCegarLoop]: 3546 mSDtfsCounter, 3528 mSDsluCounter, 7089 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3529 SdHoareTripleChecker+Valid, 10635 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:32:38,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3529 Valid, 10635 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:32:38,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5060 states. [2021-11-19 14:32:38,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5060 to 5060. [2021-11-19 14:32:38,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5060 states, 3419 states have (on average 1.2872184849371162) internal successors, (4401), 3605 states have internal predecessors, (4401), 1269 states have call successors, (1269), 331 states have call predecessors, (1269), 330 states have return successors, (1267), 1218 states have call predecessors, (1267), 1267 states have call successors, (1267) [2021-11-19 14:32:38,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5060 states to 5060 states and 6937 transitions. [2021-11-19 14:32:38,730 INFO L78 Accepts]: Start accepts. Automaton has 5060 states and 6937 transitions. Word has length 53 [2021-11-19 14:32:38,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:32:38,731 INFO L470 AbstractCegarLoop]: Abstraction has 5060 states and 6937 transitions. [2021-11-19 14:32:38,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-19 14:32:38,731 INFO L276 IsEmpty]: Start isEmpty. Operand 5060 states and 6937 transitions. [2021-11-19 14:32:38,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-19 14:32:38,741 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:32:38,742 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:32:38,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:32:38,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:32:38,965 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:32:38,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:32:38,966 INFO L85 PathProgramCache]: Analyzing trace with hash -536264095, now seen corresponding path program 1 times [2021-11-19 14:32:38,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:32:38,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085742490] [2021-11-19 14:32:38,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:32:38,968 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:32:38,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:32:38,972 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:32:39,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:32:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:32:40,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:32:40,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:32:41,365 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:32:41,366 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:32:41,682 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:32:41,683 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:32:41,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1085742490] [2021-11-19 14:32:41,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1085742490] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:32:41,683 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:32:41,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:32:41,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439941897] [2021-11-19 14:32:41,684 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:32:41,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:32:41,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:32:41,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:32:41,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:32:41,686 INFO L87 Difference]: Start difference. First operand 5060 states and 6937 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-19 14:32:41,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:32:41,998 INFO L93 Difference]: Finished difference Result 5060 states and 6937 transitions. [2021-11-19 14:32:41,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:32:41,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 52 [2021-11-19 14:32:42,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:32:42,056 INFO L225 Difference]: With dead ends: 5060 [2021-11-19 14:32:42,056 INFO L226 Difference]: Without dead ends: 5058 [2021-11-19 14:32:42,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:32:42,064 INFO L933 BasicCegarLoop]: 3548 mSDtfsCounter, 3508 mSDsluCounter, 7092 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3510 SdHoareTripleChecker+Valid, 10640 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:32:42,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3510 Valid, 10640 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:32:42,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5058 states. [2021-11-19 14:32:42,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5058 to 5058. [2021-11-19 14:32:42,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5058 states, 3418 states have (on average 1.2867173785839672) internal successors, (4398), 3603 states have internal predecessors, (4398), 1269 states have call successors, (1269), 331 states have call predecessors, (1269), 330 states have return successors, (1267), 1218 states have call predecessors, (1267), 1267 states have call successors, (1267) [2021-11-19 14:32:42,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5058 states to 5058 states and 6934 transitions. [2021-11-19 14:32:42,569 INFO L78 Accepts]: Start accepts. Automaton has 5058 states and 6934 transitions. Word has length 52 [2021-11-19 14:32:42,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:32:42,572 INFO L470 AbstractCegarLoop]: Abstraction has 5058 states and 6934 transitions. [2021-11-19 14:32:42,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-19 14:32:42,574 INFO L276 IsEmpty]: Start isEmpty. Operand 5058 states and 6934 transitions. [2021-11-19 14:32:42,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-19 14:32:42,578 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:32:42,578 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:32:42,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:32:42,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:32:42,801 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:32:42,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:32:42,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1881499938, now seen corresponding path program 1 times [2021-11-19 14:32:42,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:32:42,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1411405243] [2021-11-19 14:32:42,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:32:42,805 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:32:42,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:32:42,806 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:32:42,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:32:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:32:44,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 1057 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:32:44,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:32:44,926 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:32:44,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:32:45,241 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:32:45,242 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:32:45,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1411405243] [2021-11-19 14:32:45,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1411405243] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:32:45,242 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:32:45,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:32:45,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728854462] [2021-11-19 14:32:45,243 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:32:45,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:32:45,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:32:45,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:32:45,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:32:45,245 INFO L87 Difference]: Start difference. First operand 5058 states and 6934 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 14:32:45,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:32:45,532 INFO L93 Difference]: Finished difference Result 5058 states and 6934 transitions. [2021-11-19 14:32:45,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:32:45,533 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 58 [2021-11-19 14:32:45,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:32:45,575 INFO L225 Difference]: With dead ends: 5058 [2021-11-19 14:32:45,576 INFO L226 Difference]: Without dead ends: 5056 [2021-11-19 14:32:45,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:32:45,581 INFO L933 BasicCegarLoop]: 3546 mSDtfsCounter, 3503 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3505 SdHoareTripleChecker+Valid, 7090 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:32:45,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3505 Valid, 7090 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:32:45,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5056 states. [2021-11-19 14:32:45,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5056 to 5056. [2021-11-19 14:32:45,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5056 states, 3417 states have (on average 1.286215978928885) internal successors, (4395), 3601 states have internal predecessors, (4395), 1269 states have call successors, (1269), 331 states have call predecessors, (1269), 330 states have return successors, (1267), 1218 states have call predecessors, (1267), 1267 states have call successors, (1267) [2021-11-19 14:32:45,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5056 states to 5056 states and 6931 transitions. [2021-11-19 14:32:45,932 INFO L78 Accepts]: Start accepts. Automaton has 5056 states and 6931 transitions. Word has length 58 [2021-11-19 14:32:45,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:32:45,933 INFO L470 AbstractCegarLoop]: Abstraction has 5056 states and 6931 transitions. [2021-11-19 14:32:45,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 14:32:45,933 INFO L276 IsEmpty]: Start isEmpty. Operand 5056 states and 6931 transitions. [2021-11-19 14:32:45,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-19 14:32:45,936 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:32:45,936 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:32:45,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:32:46,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:32:46,161 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:32:46,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:32:46,162 INFO L85 PathProgramCache]: Analyzing trace with hash 507594590, now seen corresponding path program 1 times [2021-11-19 14:32:46,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:32:46,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [810960154] [2021-11-19 14:32:46,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:32:46,165 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:32:46,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:32:46,167 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:32:46,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:32:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:32:47,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:32:47,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:32:48,476 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:32:48,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:32:48,827 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:32:48,828 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:32:48,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [810960154] [2021-11-19 14:32:48,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [810960154] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:32:48,828 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:32:48,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:32:48,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875139768] [2021-11-19 14:32:48,829 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:32:48,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:32:48,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:32:48,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:32:48,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:32:48,831 INFO L87 Difference]: Start difference. First operand 5056 states and 6931 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 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) [2021-11-19 14:32:49,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:32:49,150 INFO L93 Difference]: Finished difference Result 5056 states and 6931 transitions. [2021-11-19 14:32:49,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:32:49,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 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 64 [2021-11-19 14:32:49,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:32:49,227 INFO L225 Difference]: With dead ends: 5056 [2021-11-19 14:32:49,227 INFO L226 Difference]: Without dead ends: 5054 [2021-11-19 14:32:49,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:32:49,233 INFO L933 BasicCegarLoop]: 3544 mSDtfsCounter, 3495 mSDsluCounter, 3542 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3497 SdHoareTripleChecker+Valid, 7086 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:32:49,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3497 Valid, 7086 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:32:49,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5054 states. [2021-11-19 14:32:49,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5054 to 5054. [2021-11-19 14:32:49,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5054 states, 3416 states have (on average 1.2857142857142858) internal successors, (4392), 3599 states have internal predecessors, (4392), 1269 states have call successors, (1269), 331 states have call predecessors, (1269), 330 states have return successors, (1267), 1218 states have call predecessors, (1267), 1267 states have call successors, (1267) [2021-11-19 14:32:49,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5054 states to 5054 states and 6928 transitions. [2021-11-19 14:32:49,609 INFO L78 Accepts]: Start accepts. Automaton has 5054 states and 6928 transitions. Word has length 64 [2021-11-19 14:32:49,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:32:49,610 INFO L470 AbstractCegarLoop]: Abstraction has 5054 states and 6928 transitions. [2021-11-19 14:32:49,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 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) [2021-11-19 14:32:49,610 INFO L276 IsEmpty]: Start isEmpty. Operand 5054 states and 6928 transitions. [2021-11-19 14:32:49,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-19 14:32:49,612 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:32:49,613 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] [2021-11-19 14:32:49,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:32:49,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:32:49,830 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_unregister_chrdev_159Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:32:49,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:32:49,830 INFO L85 PathProgramCache]: Analyzing trace with hash 833204242, now seen corresponding path program 1 times [2021-11-19 14:32:49,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:32:49,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [39474772] [2021-11-19 14:32:49,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:32:49,833 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:32:49,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:32:49,834 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:32:49,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:32:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:32:51,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-19 14:32:51,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:32:52,551 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-19 14:32:52,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:32:53,374 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-19 14:32:53,375 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:32:53,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [39474772] [2021-11-19 14:32:53,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [39474772] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:32:53,375 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:32:53,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 15] imperfect sequences [] total 18 [2021-11-19 14:32:53,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340871385] [2021-11-19 14:32:53,376 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:32:53,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-19 14:32:53,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:32:53,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-19 14:32:53,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-11-19 14:32:53,378 INFO L87 Difference]: Start difference. First operand 5054 states and 6928 transitions. Second operand has 18 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 7 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2021-11-19 14:32:58,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:32:58,324 INFO L93 Difference]: Finished difference Result 5589 states and 7553 transitions. [2021-11-19 14:32:58,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 14:32:58,325 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 7 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 66 [2021-11-19 14:32:58,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:32:58,352 INFO L225 Difference]: With dead ends: 5589 [2021-11-19 14:32:58,352 INFO L226 Difference]: Without dead ends: 5127 [2021-11-19 14:32:58,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=119, Invalid=583, Unknown=0, NotChecked=0, Total=702 [2021-11-19 14:32:58,359 INFO L933 BasicCegarLoop]: 3522 mSDtfsCounter, 54 mSDsluCounter, 56044 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 59566 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:32:58,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 59566 Invalid, 1138 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [198 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-19 14:32:58,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5127 states. [2021-11-19 14:32:58,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5127 to 5080. [2021-11-19 14:32:58,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5080 states, 3433 states have (on average 1.2842994465482085) internal successors, (4409), 3615 states have internal predecessors, (4409), 1278 states have call successors, (1278), 331 states have call predecessors, (1278), 330 states have return successors, (1276), 1227 states have call predecessors, (1276), 1276 states have call successors, (1276) [2021-11-19 14:32:58,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5080 states to 5080 states and 6963 transitions. [2021-11-19 14:32:58,698 INFO L78 Accepts]: Start accepts. Automaton has 5080 states and 6963 transitions. Word has length 66 [2021-11-19 14:32:58,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:32:58,698 INFO L470 AbstractCegarLoop]: Abstraction has 5080 states and 6963 transitions. [2021-11-19 14:32:58,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 7 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2021-11-19 14:32:58,699 INFO L276 IsEmpty]: Start isEmpty. Operand 5080 states and 6963 transitions. [2021-11-19 14:32:58,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-19 14:32:58,700 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:32:58,701 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:32:58,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 14:32:58,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:32:58,917 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:32:58,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:32:58,918 INFO L85 PathProgramCache]: Analyzing trace with hash 70759439, now seen corresponding path program 1 times [2021-11-19 14:32:58,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:32:58,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1685469409] [2021-11-19 14:32:58,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:32:58,920 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:32:58,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:32:58,922 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:32:58,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 14:33:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:00,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:33:00,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:01,081 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:33:01,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:01,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:33:01,384 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:33:01,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1685469409] [2021-11-19 14:33:01,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1685469409] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:33:01,384 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:33:01,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:33:01,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726969324] [2021-11-19 14:33:01,384 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:33:01,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:33:01,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:33:01,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:33:01,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:33:01,386 INFO L87 Difference]: Start difference. First operand 5080 states and 6963 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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) [2021-11-19 14:33:01,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:01,689 INFO L93 Difference]: Finished difference Result 5080 states and 6963 transitions. [2021-11-19 14:33:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:33:01,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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 70 [2021-11-19 14:33:01,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:01,720 INFO L225 Difference]: With dead ends: 5080 [2021-11-19 14:33:01,720 INFO L226 Difference]: Without dead ends: 5078 [2021-11-19 14:33:01,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:33:01,726 INFO L933 BasicCegarLoop]: 3542 mSDtfsCounter, 3487 mSDsluCounter, 3540 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3489 SdHoareTripleChecker+Valid, 7082 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:01,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3489 Valid, 7082 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:33:01,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5078 states. [2021-11-19 14:33:02,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5078 to 5078. [2021-11-19 14:33:02,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5078 states, 3432 states have (on average 1.2837995337995338) internal successors, (4406), 3613 states have internal predecessors, (4406), 1278 states have call successors, (1278), 331 states have call predecessors, (1278), 330 states have return successors, (1276), 1227 states have call predecessors, (1276), 1276 states have call successors, (1276) [2021-11-19 14:33:02,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5078 states to 5078 states and 6960 transitions. [2021-11-19 14:33:02,053 INFO L78 Accepts]: Start accepts. Automaton has 5078 states and 6960 transitions. Word has length 70 [2021-11-19 14:33:02,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:02,055 INFO L470 AbstractCegarLoop]: Abstraction has 5078 states and 6960 transitions. [2021-11-19 14:33:02,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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) [2021-11-19 14:33:02,056 INFO L276 IsEmpty]: Start isEmpty. Operand 5078 states and 6960 transitions. [2021-11-19 14:33:02,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-19 14:33:02,057 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:02,058 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:02,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:02,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:33:02,273 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:33:02,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:33:02,274 INFO L85 PathProgramCache]: Analyzing trace with hash -723835297, now seen corresponding path program 1 times [2021-11-19 14:33:02,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:33:02,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95324293] [2021-11-19 14:33:02,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:02,276 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:33:02,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:33:02,277 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:33:02,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 14:33:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:03,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:33:03,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:04,404 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:33:04,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:04,762 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:33:04,762 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:33:04,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95324293] [2021-11-19 14:33:04,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [95324293] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:33:04,763 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:33:04,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:33:04,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618660779] [2021-11-19 14:33:04,763 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:33:04,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:33:04,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:33:04,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:33:04,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:33:04,764 INFO L87 Difference]: Start difference. First operand 5078 states and 6960 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2021-11-19 14:33:05,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:05,168 INFO L93 Difference]: Finished difference Result 5790 states and 7770 transitions. [2021-11-19 14:33:05,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:33:05,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 76 [2021-11-19 14:33:05,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:05,198 INFO L225 Difference]: With dead ends: 5790 [2021-11-19 14:33:05,198 INFO L226 Difference]: Without dead ends: 5788 [2021-11-19 14:33:05,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:33:05,205 INFO L933 BasicCegarLoop]: 3821 mSDtfsCounter, 3476 mSDsluCounter, 8103 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3478 SdHoareTripleChecker+Valid, 11924 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:05,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3478 Valid, 11924 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:33:05,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5788 states. [2021-11-19 14:33:05,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5788 to 5523. [2021-11-19 14:33:05,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5523 states, 3735 states have (on average 1.2701472556894244) internal successors, (4744), 3921 states have internal predecessors, (4744), 1368 states have call successors, (1368), 383 states have call predecessors, (1368), 382 states have return successors, (1366), 1314 states have call predecessors, (1366), 1366 states have call successors, (1366) [2021-11-19 14:33:05,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5523 states to 5523 states and 7478 transitions. [2021-11-19 14:33:05,599 INFO L78 Accepts]: Start accepts. Automaton has 5523 states and 7478 transitions. Word has length 76 [2021-11-19 14:33:05,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:05,600 INFO L470 AbstractCegarLoop]: Abstraction has 5523 states and 7478 transitions. [2021-11-19 14:33:05,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2021-11-19 14:33:05,600 INFO L276 IsEmpty]: Start isEmpty. Operand 5523 states and 7478 transitions. [2021-11-19 14:33:05,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-19 14:33:05,608 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:05,609 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:05,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:05,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:33:05,825 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:33:05,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:33:05,826 INFO L85 PathProgramCache]: Analyzing trace with hash -714363592, now seen corresponding path program 1 times [2021-11-19 14:33:05,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:33:05,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467845311] [2021-11-19 14:33:05,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:05,827 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:33:05,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:33:05,829 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:33:05,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 14:33:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:07,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:33:07,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:08,074 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:33:08,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:08,417 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:33:08,417 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:33:08,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467845311] [2021-11-19 14:33:08,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1467845311] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:33:08,418 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:33:08,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:33:08,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345986923] [2021-11-19 14:33:08,418 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:33:08,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:33:08,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:33:08,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:33:08,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:33:08,420 INFO L87 Difference]: Start difference. First operand 5523 states and 7478 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2021-11-19 14:33:08,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:08,880 INFO L93 Difference]: Finished difference Result 5633 states and 7563 transitions. [2021-11-19 14:33:08,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:33:08,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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 82 [2021-11-19 14:33:08,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:08,909 INFO L225 Difference]: With dead ends: 5633 [2021-11-19 14:33:08,910 INFO L226 Difference]: Without dead ends: 5631 [2021-11-19 14:33:08,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:33:08,917 INFO L933 BasicCegarLoop]: 4162 mSDtfsCounter, 3465 mSDsluCounter, 11755 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3467 SdHoareTripleChecker+Valid, 15917 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:08,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3467 Valid, 15917 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:33:08,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5631 states. [2021-11-19 14:33:09,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5631 to 5523. [2021-11-19 14:33:09,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5523 states, 3735 states have (on average 1.269879518072289) internal successors, (4743), 3921 states have internal predecessors, (4743), 1368 states have call successors, (1368), 383 states have call predecessors, (1368), 382 states have return successors, (1366), 1314 states have call predecessors, (1366), 1366 states have call successors, (1366) [2021-11-19 14:33:09,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5523 states to 5523 states and 7477 transitions. [2021-11-19 14:33:09,369 INFO L78 Accepts]: Start accepts. Automaton has 5523 states and 7477 transitions. Word has length 82 [2021-11-19 14:33:09,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:09,370 INFO L470 AbstractCegarLoop]: Abstraction has 5523 states and 7477 transitions. [2021-11-19 14:33:09,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2021-11-19 14:33:09,370 INFO L276 IsEmpty]: Start isEmpty. Operand 5523 states and 7477 transitions. [2021-11-19 14:33:09,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-19 14:33:09,373 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:09,373 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:09,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:09,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:33:09,597 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:33:09,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:33:09,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1389994283, now seen corresponding path program 1 times [2021-11-19 14:33:09,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:33:09,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205226514] [2021-11-19 14:33:09,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:09,600 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:33:09,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:33:09,602 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:33:09,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 14:33:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:11,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 1102 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:33:11,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:11,892 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:33:11,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:12,249 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:33:12,249 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:33:12,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205226514] [2021-11-19 14:33:12,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1205226514] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:33:12,249 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:33:12,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:33:12,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586919522] [2021-11-19 14:33:12,250 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:33:12,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:33:12,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:33:12,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:33:12,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:33:12,252 INFO L87 Difference]: Start difference. First operand 5523 states and 7477 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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) [2021-11-19 14:33:12,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:12,600 INFO L93 Difference]: Finished difference Result 5523 states and 7477 transitions. [2021-11-19 14:33:12,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:33:12,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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 88 [2021-11-19 14:33:12,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:12,637 INFO L225 Difference]: With dead ends: 5523 [2021-11-19 14:33:12,637 INFO L226 Difference]: Without dead ends: 5521 [2021-11-19 14:33:12,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:33:12,643 INFO L933 BasicCegarLoop]: 3540 mSDtfsCounter, 3467 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3469 SdHoareTripleChecker+Valid, 7078 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:12,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3469 Valid, 7078 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:33:12,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5521 states. [2021-11-19 14:33:13,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5521 to 5521. [2021-11-19 14:33:13,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5521 states, 3734 states have (on average 1.2694161756829139) internal successors, (4740), 3919 states have internal predecessors, (4740), 1368 states have call successors, (1368), 383 states have call predecessors, (1368), 382 states have return successors, (1366), 1314 states have call predecessors, (1366), 1366 states have call successors, (1366) [2021-11-19 14:33:13,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5521 states to 5521 states and 7474 transitions. [2021-11-19 14:33:13,106 INFO L78 Accepts]: Start accepts. Automaton has 5521 states and 7474 transitions. Word has length 88 [2021-11-19 14:33:13,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:13,107 INFO L470 AbstractCegarLoop]: Abstraction has 5521 states and 7474 transitions. [2021-11-19 14:33:13,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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) [2021-11-19 14:33:13,107 INFO L276 IsEmpty]: Start isEmpty. Operand 5521 states and 7474 transitions. [2021-11-19 14:33:13,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-19 14:33:13,109 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:13,109 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:13,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:13,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:33:13,333 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:33:13,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:33:13,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1663604516, now seen corresponding path program 1 times [2021-11-19 14:33:13,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:33:13,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365063336] [2021-11-19 14:33:13,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:13,335 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:33:13,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:33:13,337 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:33:13,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-19 14:33:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:14,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 1111 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:33:14,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:15,698 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:33:15,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:16,080 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:33:16,081 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:33:16,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365063336] [2021-11-19 14:33:16,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [365063336] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:33:16,081 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:33:16,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:33:16,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549124085] [2021-11-19 14:33:16,082 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:33:16,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:33:16,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:33:16,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:33:16,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:33:16,083 INFO L87 Difference]: Start difference. First operand 5521 states and 7474 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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) [2021-11-19 14:33:16,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:16,650 INFO L93 Difference]: Finished difference Result 10270 states and 13858 transitions. [2021-11-19 14:33:16,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:33:16,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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 94 [2021-11-19 14:33:16,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:16,700 INFO L225 Difference]: With dead ends: 10270 [2021-11-19 14:33:16,701 INFO L226 Difference]: Without dead ends: 10268 [2021-11-19 14:33:16,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:33:16,708 INFO L933 BasicCegarLoop]: 4096 mSDtfsCounter, 2963 mSDsluCounter, 7582 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2965 SdHoareTripleChecker+Valid, 11678 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:16,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2965 Valid, 11678 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:33:16,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10268 states. [2021-11-19 14:33:17,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10268 to 10033. [2021-11-19 14:33:17,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10033 states, 6787 states have (on average 1.261824075438338) internal successors, (8564), 7070 states have internal predecessors, (8564), 2490 states have call successors, (2490), 720 states have call predecessors, (2490), 719 states have return successors, (2558), 2400 states have call predecessors, (2558), 2488 states have call successors, (2558) [2021-11-19 14:33:17,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10033 states to 10033 states and 13612 transitions. [2021-11-19 14:33:17,493 INFO L78 Accepts]: Start accepts. Automaton has 10033 states and 13612 transitions. Word has length 94 [2021-11-19 14:33:17,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:17,493 INFO L470 AbstractCegarLoop]: Abstraction has 10033 states and 13612 transitions. [2021-11-19 14:33:17,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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) [2021-11-19 14:33:17,494 INFO L276 IsEmpty]: Start isEmpty. Operand 10033 states and 13612 transitions. [2021-11-19 14:33:17,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-19 14:33:17,496 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:17,497 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:17,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:17,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:33:17,709 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:33:17,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:33:17,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1788471270, now seen corresponding path program 1 times [2021-11-19 14:33:17,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:33:17,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369958334] [2021-11-19 14:33:17,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:17,712 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:33:17,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:33:17,713 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:33:17,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-19 14:33:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:19,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 1182 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-19 14:33:19,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:20,123 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-19 14:33:20,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:20,436 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-11-19 14:33:20,436 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:33:20,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369958334] [2021-11-19 14:33:20,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [369958334] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:33:20,436 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:33:20,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2021-11-19 14:33:20,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481786329] [2021-11-19 14:33:20,437 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:33:20,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:33:20,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:33:20,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:33:20,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:33:20,438 INFO L87 Difference]: Start difference. First operand 10033 states and 13612 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 4 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-19 14:33:22,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:22,800 INFO L93 Difference]: Finished difference Result 11271 states and 15105 transitions. [2021-11-19 14:33:22,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 14:33:22,801 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 4 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 99 [2021-11-19 14:33:22,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:22,854 INFO L225 Difference]: With dead ends: 11271 [2021-11-19 14:33:22,855 INFO L226 Difference]: Without dead ends: 10019 [2021-11-19 14:33:22,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2021-11-19 14:33:22,867 INFO L933 BasicCegarLoop]: 4334 mSDtfsCounter, 3239 mSDsluCounter, 31436 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3264 SdHoareTripleChecker+Valid, 35770 SdHoareTripleChecker+Invalid, 1325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1254 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:22,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3264 Valid, 35770 Invalid, 1325 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1254 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-19 14:33:22,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10019 states. [2021-11-19 14:33:23,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10019 to 9921. [2021-11-19 14:33:23,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9921 states, 6715 states have (on average 1.2619508562918837) internal successors, (8474), 6992 states have internal predecessors, (8474), 2458 states have call successors, (2458), 712 states have call predecessors, (2458), 711 states have return successors, (2526), 2370 states have call predecessors, (2526), 2456 states have call successors, (2526) [2021-11-19 14:33:23,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9921 states to 9921 states and 13458 transitions. [2021-11-19 14:33:23,623 INFO L78 Accepts]: Start accepts. Automaton has 9921 states and 13458 transitions. Word has length 99 [2021-11-19 14:33:23,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:23,623 INFO L470 AbstractCegarLoop]: Abstraction has 9921 states and 13458 transitions. [2021-11-19 14:33:23,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 4 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-19 14:33:23,624 INFO L276 IsEmpty]: Start isEmpty. Operand 9921 states and 13458 transitions. [2021-11-19 14:33:23,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-19 14:33:23,626 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:23,626 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:23,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:23,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:33:23,849 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:33:23,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:33:23,850 INFO L85 PathProgramCache]: Analyzing trace with hash -995916929, now seen corresponding path program 1 times [2021-11-19 14:33:23,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:33:23,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [440581675] [2021-11-19 14:33:23,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:23,851 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:33:23,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:33:23,854 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:33:23,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-19 14:33:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:25,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:33:25,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:26,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:33:26,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:26,757 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:33:26,757 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:33:26,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [440581675] [2021-11-19 14:33:26,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [440581675] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:33:26,758 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:33:26,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:33:26,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572513375] [2021-11-19 14:33:26,759 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:33:26,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:33:26,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:33:26,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:33:26,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:33:26,760 INFO L87 Difference]: Start difference. First operand 9921 states and 13458 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 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) [2021-11-19 14:33:27,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:27,349 INFO L93 Difference]: Finished difference Result 10161 states and 13708 transitions. [2021-11-19 14:33:27,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:33:27,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 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 96 [2021-11-19 14:33:27,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:27,404 INFO L225 Difference]: With dead ends: 10161 [2021-11-19 14:33:27,405 INFO L226 Difference]: Without dead ends: 10159 [2021-11-19 14:33:27,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:33:27,413 INFO L933 BasicCegarLoop]: 3548 mSDtfsCounter, 3417 mSDsluCounter, 7190 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3419 SdHoareTripleChecker+Valid, 10738 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:27,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3419 Valid, 10738 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:33:27,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10159 states. [2021-11-19 14:33:28,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10159 to 10155. [2021-11-19 14:33:28,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10155 states, 6858 states have (on average 1.257072032662584) internal successors, (8621), 7134 states have internal predecessors, (8621), 2506 states have call successors, (2506), 756 states have call predecessors, (2506), 755 states have return successors, (2574), 2418 states have call predecessors, (2574), 2504 states have call successors, (2574) [2021-11-19 14:33:28,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10155 states to 10155 states and 13701 transitions. [2021-11-19 14:33:28,210 INFO L78 Accepts]: Start accepts. Automaton has 10155 states and 13701 transitions. Word has length 96 [2021-11-19 14:33:28,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:28,211 INFO L470 AbstractCegarLoop]: Abstraction has 10155 states and 13701 transitions. [2021-11-19 14:33:28,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 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) [2021-11-19 14:33:28,211 INFO L276 IsEmpty]: Start isEmpty. Operand 10155 states and 13701 transitions. [2021-11-19 14:33:28,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-19 14:33:28,214 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:28,214 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:28,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:28,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:33:28,437 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:33:28,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:33:28,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1010629415, now seen corresponding path program 1 times [2021-11-19 14:33:28,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:33:28,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [910386536] [2021-11-19 14:33:28,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:28,440 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:33:28,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:33:28,441 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:33:28,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-19 14:33:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:30,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:33:30,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:30,865 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:33:30,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:31,228 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:33:31,228 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:33:31,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [910386536] [2021-11-19 14:33:31,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [910386536] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:33:31,228 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:33:31,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:33:31,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970406586] [2021-11-19 14:33:31,229 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:33:31,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:33:31,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:33:31,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:33:31,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:33:31,231 INFO L87 Difference]: Start difference. First operand 10155 states and 13701 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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) [2021-11-19 14:33:32,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:32,432 INFO L93 Difference]: Finished difference Result 20202 states and 27477 transitions. [2021-11-19 14:33:32,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:33:32,433 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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 102 [2021-11-19 14:33:32,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:32,537 INFO L225 Difference]: With dead ends: 20202 [2021-11-19 14:33:32,537 INFO L226 Difference]: Without dead ends: 20200 [2021-11-19 14:33:32,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:33:32,549 INFO L933 BasicCegarLoop]: 4224 mSDtfsCounter, 3446 mSDsluCounter, 11935 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3448 SdHoareTripleChecker+Valid, 16159 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:32,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3448 Valid, 16159 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:33:32,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20200 states. [2021-11-19 14:33:34,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20200 to 19982. [2021-11-19 14:33:34,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19982 states, 13522 states have (on average 1.258023960952522) internal successors, (17011), 14034 states have internal predecessors, (17011), 4941 states have call successors, (4941), 1484 states have call predecessors, (4941), 1483 states have return successors, (5303), 4765 states have call predecessors, (5303), 4939 states have call successors, (5303) [2021-11-19 14:33:34,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19982 states to 19982 states and 27255 transitions. [2021-11-19 14:33:34,101 INFO L78 Accepts]: Start accepts. Automaton has 19982 states and 27255 transitions. Word has length 102 [2021-11-19 14:33:34,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:34,101 INFO L470 AbstractCegarLoop]: Abstraction has 19982 states and 27255 transitions. [2021-11-19 14:33:34,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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) [2021-11-19 14:33:34,102 INFO L276 IsEmpty]: Start isEmpty. Operand 19982 states and 27255 transitions. [2021-11-19 14:33:34,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-19 14:33:34,104 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:34,105 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:34,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:34,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:33:34,309 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:33:34,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:33:34,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1114804817, now seen corresponding path program 1 times [2021-11-19 14:33:34,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:33:34,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629179338] [2021-11-19 14:33:34,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:34,311 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:33:34,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:33:34,312 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:33:34,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-19 14:33:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:35,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 1191 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 14:33:35,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:36,575 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-19 14:33:36,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:37,243 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-19 14:33:37,243 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:33:37,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629179338] [2021-11-19 14:33:37,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629179338] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:33:37,244 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:33:37,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 14 [2021-11-19 14:33:37,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045635469] [2021-11-19 14:33:37,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:33:37,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:33:37,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:33:37,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:33:37,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-19 14:33:37,246 INFO L87 Difference]: Start difference. First operand 19982 states and 27255 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 5 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) [2021-11-19 14:33:44,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:44,113 INFO L93 Difference]: Finished difference Result 35794 states and 49154 transitions. [2021-11-19 14:33:44,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:33:44,114 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 5 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) Word has length 106 [2021-11-19 14:33:44,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:44,299 INFO L225 Difference]: With dead ends: 35794 [2021-11-19 14:33:44,300 INFO L226 Difference]: Without dead ends: 23901 [2021-11-19 14:33:44,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2021-11-19 14:33:44,369 INFO L933 BasicCegarLoop]: 4468 mSDtfsCounter, 2165 mSDsluCounter, 22070 mSDsCounter, 0 mSdLazyCounter, 1245 mSolverCounterSat, 840 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2166 SdHoareTripleChecker+Valid, 26538 SdHoareTripleChecker+Invalid, 2085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 840 IncrementalHoareTripleChecker+Valid, 1245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:44,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2166 Valid, 26538 Invalid, 2085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [840 Valid, 1245 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-11-19 14:33:44,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23901 states. [2021-11-19 14:33:46,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23901 to 19989. [2021-11-19 14:33:46,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19989 states, 13527 states have (on average 1.2579285872699046) internal successors, (17016), 14038 states have internal predecessors, (17016), 4943 states have call successors, (4943), 1484 states have call predecessors, (4943), 1483 states have return successors, (5305), 4767 states have call predecessors, (5305), 4941 states have call successors, (5305) [2021-11-19 14:33:46,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19989 states to 19989 states and 27264 transitions. [2021-11-19 14:33:46,350 INFO L78 Accepts]: Start accepts. Automaton has 19989 states and 27264 transitions. Word has length 106 [2021-11-19 14:33:46,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:46,351 INFO L470 AbstractCegarLoop]: Abstraction has 19989 states and 27264 transitions. [2021-11-19 14:33:46,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 5 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) [2021-11-19 14:33:46,352 INFO L276 IsEmpty]: Start isEmpty. Operand 19989 states and 27264 transitions. [2021-11-19 14:33:46,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-19 14:33:46,355 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:46,355 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:46,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-11-19 14:33:46,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:33:46,569 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:33:46,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:33:46,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1127502041, now seen corresponding path program 1 times [2021-11-19 14:33:46,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:33:46,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315460861] [2021-11-19 14:33:46,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:46,571 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:33:46,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:33:46,572 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:33:46,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-19 14:33:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:48,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 1132 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:33:48,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:48,926 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:33:48,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:33:49,311 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:33:49,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315460861] [2021-11-19 14:33:49,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315460861] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:33:49,311 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:33:49,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:33:49,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302227439] [2021-11-19 14:33:49,312 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:33:49,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:33:49,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:33:49,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:33:49,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:33:49,313 INFO L87 Difference]: Start difference. First operand 19989 states and 27264 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 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) [2021-11-19 14:33:50,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:50,793 INFO L93 Difference]: Finished difference Result 19989 states and 27264 transitions. [2021-11-19 14:33:50,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:33:50,794 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 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 108 [2021-11-19 14:33:50,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:50,885 INFO L225 Difference]: With dead ends: 19989 [2021-11-19 14:33:50,886 INFO L226 Difference]: Without dead ends: 19987 [2021-11-19 14:33:50,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:33:50,895 INFO L933 BasicCegarLoop]: 3536 mSDtfsCounter, 3440 mSDsluCounter, 7068 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3442 SdHoareTripleChecker+Valid, 10604 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:50,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3442 Valid, 10604 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:33:50,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19987 states. [2021-11-19 14:33:52,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19987 to 19987. [2021-11-19 14:33:52,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19987 states, 13526 states have (on average 1.257799792991276) internal successors, (17013), 14036 states have internal predecessors, (17013), 4943 states have call successors, (4943), 1484 states have call predecessors, (4943), 1483 states have return successors, (5305), 4767 states have call predecessors, (5305), 4941 states have call successors, (5305) [2021-11-19 14:33:52,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19987 states to 19987 states and 27261 transitions. [2021-11-19 14:33:52,665 INFO L78 Accepts]: Start accepts. Automaton has 19987 states and 27261 transitions. Word has length 108 [2021-11-19 14:33:52,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:52,665 INFO L470 AbstractCegarLoop]: Abstraction has 19987 states and 27261 transitions. [2021-11-19 14:33:52,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 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) [2021-11-19 14:33:52,666 INFO L276 IsEmpty]: Start isEmpty. Operand 19987 states and 27261 transitions. [2021-11-19 14:33:52,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-19 14:33:52,668 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:52,668 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:52,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-19 14:33:52,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:33:52,889 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:33:52,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:33:52,890 INFO L85 PathProgramCache]: Analyzing trace with hash -279821352, now seen corresponding path program 1 times [2021-11-19 14:33:52,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:33:52,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [664002863] [2021-11-19 14:33:52,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:33:52,891 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:33:52,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:33:52,892 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:33:52,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-19 14:33:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:33:54,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-19 14:33:54,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:33:54,999 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-19 14:33:54,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:33:55,369 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-19 14:33:55,369 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:33:55,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [664002863] [2021-11-19 14:33:55,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [664002863] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:33:55,370 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:33:55,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-19 14:33:55,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74856870] [2021-11-19 14:33:55,370 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:33:55,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:33:55,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:33:55,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:33:55,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:33:55,371 INFO L87 Difference]: Start difference. First operand 19987 states and 27261 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2021-11-19 14:33:58,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:33:58,106 INFO L93 Difference]: Finished difference Result 31921 states and 43141 transitions. [2021-11-19 14:33:58,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:33:58,107 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 116 [2021-11-19 14:33:58,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:33:58,203 INFO L225 Difference]: With dead ends: 31921 [2021-11-19 14:33:58,204 INFO L226 Difference]: Without dead ends: 20009 [2021-11-19 14:33:58,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:33:58,256 INFO L933 BasicCegarLoop]: 3588 mSDtfsCounter, 2167 mSDsluCounter, 7748 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 842 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2167 SdHoareTripleChecker+Valid, 11336 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 842 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:33:58,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2167 Valid, 11336 Invalid, 845 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [842 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 14:33:58,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20009 states. [2021-11-19 14:33:59,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20009 to 19974. [2021-11-19 14:33:59,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19974 states, 13519 states have (on average 1.2577113691841113) internal successors, (17003), 14028 states have internal predecessors, (17003), 4937 states have call successors, (4937), 1484 states have call predecessors, (4937), 1483 states have return successors, (5299), 4761 states have call predecessors, (5299), 4935 states have call successors, (5299) [2021-11-19 14:33:59,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19974 states to 19974 states and 27239 transitions. [2021-11-19 14:33:59,958 INFO L78 Accepts]: Start accepts. Automaton has 19974 states and 27239 transitions. Word has length 116 [2021-11-19 14:33:59,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:33:59,958 INFO L470 AbstractCegarLoop]: Abstraction has 19974 states and 27239 transitions. [2021-11-19 14:33:59,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2021-11-19 14:33:59,959 INFO L276 IsEmpty]: Start isEmpty. Operand 19974 states and 27239 transitions. [2021-11-19 14:33:59,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 14:33:59,960 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:33:59,961 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:33:59,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-19 14:34:00,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:34:00,161 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:34:00,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:34:00,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1001381280, now seen corresponding path program 1 times [2021-11-19 14:34:00,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:34:00,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1089286391] [2021-11-19 14:34:00,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:34:00,163 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:34:00,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:34:00,164 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:34:00,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-19 14:34:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:34:01,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 1199 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-19 14:34:01,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:34:02,448 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-19 14:34:02,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:34:02,945 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-19 14:34:02,945 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:34:02,945 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1089286391] [2021-11-19 14:34:02,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1089286391] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:34:02,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:34:02,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 10 [2021-11-19 14:34:02,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661573369] [2021-11-19 14:34:02,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:34:02,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 14:34:02,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:34:02,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 14:34:02,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:34:02,947 INFO L87 Difference]: Start difference. First operand 19974 states and 27239 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 5 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2021-11-19 14:34:07,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:34:07,280 INFO L93 Difference]: Finished difference Result 21208 states and 28710 transitions. [2021-11-19 14:34:07,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 14:34:07,281 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 5 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 112 [2021-11-19 14:34:07,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:34:07,356 INFO L225 Difference]: With dead ends: 21208 [2021-11-19 14:34:07,357 INFO L226 Difference]: Without dead ends: 20066 [2021-11-19 14:34:07,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-11-19 14:34:07,371 INFO L933 BasicCegarLoop]: 3782 mSDtfsCounter, 4182 mSDsluCounter, 23865 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 1377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4412 SdHoareTripleChecker+Valid, 27647 SdHoareTripleChecker+Invalid, 1799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1377 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:34:07,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4412 Valid, 27647 Invalid, 1799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1377 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 14:34:07,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20066 states. [2021-11-19 14:34:08,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20066 to 19972. [2021-11-19 14:34:08,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19972 states, 13518 states have (on average 1.2576564580559255) internal successors, (17001), 14027 states have internal predecessors, (17001), 4936 states have call successors, (4936), 1484 states have call predecessors, (4936), 1483 states have return successors, (5298), 4760 states have call predecessors, (5298), 4934 states have call successors, (5298) [2021-11-19 14:34:08,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19972 states to 19972 states and 27235 transitions. [2021-11-19 14:34:08,872 INFO L78 Accepts]: Start accepts. Automaton has 19972 states and 27235 transitions. Word has length 112 [2021-11-19 14:34:08,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:34:08,873 INFO L470 AbstractCegarLoop]: Abstraction has 19972 states and 27235 transitions. [2021-11-19 14:34:08,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 5 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2021-11-19 14:34:08,873 INFO L276 IsEmpty]: Start isEmpty. Operand 19972 states and 27235 transitions. [2021-11-19 14:34:08,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 14:34:08,876 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:34:08,876 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:34:08,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-19 14:34:09,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:34:09,089 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:34:09,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:34:09,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1155716799, now seen corresponding path program 1 times [2021-11-19 14:34:09,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:34:09,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74459259] [2021-11-19 14:34:09,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:34:09,091 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:34:09,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:34:09,092 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:34:09,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-19 14:34:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:34:10,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 1141 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:34:10,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:34:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:34:11,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:34:11,841 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:34:11,841 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:34:11,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74459259] [2021-11-19 14:34:11,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74459259] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:34:11,842 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:34:11,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:34:11,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854360767] [2021-11-19 14:34:11,842 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:34:11,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:34:11,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:34:11,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:34:11,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:34:11,844 INFO L87 Difference]: Start difference. First operand 19972 states and 27235 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 5 states have internal predecessors, (129), 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) [2021-11-19 14:34:13,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:34:13,151 INFO L93 Difference]: Finished difference Result 19972 states and 27235 transitions. [2021-11-19 14:34:13,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:34:13,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 5 states have internal predecessors, (129), 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) Word has length 114 [2021-11-19 14:34:13,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:34:13,208 INFO L225 Difference]: With dead ends: 19972 [2021-11-19 14:34:13,208 INFO L226 Difference]: Without dead ends: 19970 [2021-11-19 14:34:13,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:34:13,217 INFO L933 BasicCegarLoop]: 3528 mSDtfsCounter, 3426 mSDsluCounter, 7052 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3428 SdHoareTripleChecker+Valid, 10580 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:34:13,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3428 Valid, 10580 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:34:13,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19970 states. [2021-11-19 14:34:14,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19970 to 19970. [2021-11-19 14:34:14,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19970 states, 13517 states have (on average 1.2575275578900644) internal successors, (16998), 14025 states have internal predecessors, (16998), 4936 states have call successors, (4936), 1484 states have call predecessors, (4936), 1483 states have return successors, (5298), 4760 states have call predecessors, (5298), 4934 states have call successors, (5298) [2021-11-19 14:34:14,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19970 states to 19970 states and 27232 transitions. [2021-11-19 14:34:14,707 INFO L78 Accepts]: Start accepts. Automaton has 19970 states and 27232 transitions. Word has length 114 [2021-11-19 14:34:14,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:34:14,708 INFO L470 AbstractCegarLoop]: Abstraction has 19970 states and 27232 transitions. [2021-11-19 14:34:14,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 5 states have internal predecessors, (129), 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) [2021-11-19 14:34:14,708 INFO L276 IsEmpty]: Start isEmpty. Operand 19970 states and 27232 transitions. [2021-11-19 14:34:14,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-19 14:34:14,709 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:34:14,709 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:34:14,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-19 14:34:14,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:34:14,913 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:34:14,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:34:14,914 INFO L85 PathProgramCache]: Analyzing trace with hash 264901819, now seen corresponding path program 1 times [2021-11-19 14:34:14,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:34:14,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [338308006] [2021-11-19 14:34:14,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:34:14,915 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:34:14,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:34:14,916 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:34:14,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-19 14:34:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:34:16,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:34:16,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:34:17,350 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:34:17,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:34:17,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:34:17,736 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:34:17,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [338308006] [2021-11-19 14:34:17,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [338308006] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:34:17,736 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:34:17,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:34:17,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130170201] [2021-11-19 14:34:17,737 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:34:17,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:34:17,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:34:17,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:34:17,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:34:17,738 INFO L87 Difference]: Start difference. First operand 19970 states and 27232 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-19 14:34:19,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:34:19,633 INFO L93 Difference]: Finished difference Result 33268 states and 45970 transitions. [2021-11-19 14:34:19,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:34:19,633 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 120 [2021-11-19 14:34:19,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:34:19,732 INFO L225 Difference]: With dead ends: 33268 [2021-11-19 14:34:19,732 INFO L226 Difference]: Without dead ends: 33266 [2021-11-19 14:34:19,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:34:19,744 INFO L933 BasicCegarLoop]: 3991 mSDtfsCounter, 2190 mSDsluCounter, 11466 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2192 SdHoareTripleChecker+Valid, 15457 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:34:19,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2192 Valid, 15457 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:34:19,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33266 states. [2021-11-19 14:34:21,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33266 to 32875. [2021-11-19 14:34:21,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32875 states, 22269 states have (on average 1.2648973909919619) internal successors, (28168), 23137 states have internal predecessors, (28168), 8067 states have call successors, (8067), 2522 states have call predecessors, (8067), 2505 states have return successors, (9259), 7691 states have call predecessors, (9259), 8065 states have call successors, (9259) [2021-11-19 14:34:22,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32875 states to 32875 states and 45494 transitions. [2021-11-19 14:34:22,112 INFO L78 Accepts]: Start accepts. Automaton has 32875 states and 45494 transitions. Word has length 120 [2021-11-19 14:34:22,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:34:22,112 INFO L470 AbstractCegarLoop]: Abstraction has 32875 states and 45494 transitions. [2021-11-19 14:34:22,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-19 14:34:22,113 INFO L276 IsEmpty]: Start isEmpty. Operand 32875 states and 45494 transitions. [2021-11-19 14:34:22,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-19 14:34:22,114 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:34:22,115 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:34:22,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-19 14:34:22,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:34:22,316 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:34:22,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:34:22,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1948834429, now seen corresponding path program 1 times [2021-11-19 14:34:22,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:34:22,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [703956581] [2021-11-19 14:34:22,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:34:22,318 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:34:22,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:34:22,319 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:34:22,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-19 14:34:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:34:23,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:34:23,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:34:24,700 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:34:24,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:34:25,139 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:34:25,140 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:34:25,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [703956581] [2021-11-19 14:34:25,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [703956581] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:34:25,140 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:34:25,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:34:25,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243523916] [2021-11-19 14:34:25,141 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:34:25,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:34:25,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:34:25,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:34:25,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:34:25,142 INFO L87 Difference]: Start difference. First operand 32875 states and 45494 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-19 14:34:27,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:34:27,082 INFO L93 Difference]: Finished difference Result 32875 states and 45494 transitions. [2021-11-19 14:34:27,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:34:27,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 126 [2021-11-19 14:34:27,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:34:27,170 INFO L225 Difference]: With dead ends: 32875 [2021-11-19 14:34:27,170 INFO L226 Difference]: Without dead ends: 32873 [2021-11-19 14:34:27,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:34:27,182 INFO L933 BasicCegarLoop]: 3526 mSDtfsCounter, 3415 mSDsluCounter, 3524 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3417 SdHoareTripleChecker+Valid, 7050 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:34:27,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3417 Valid, 7050 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:34:27,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32873 states. [2021-11-19 14:34:29,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32873 to 32873. [2021-11-19 14:34:29,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32873 states, 22268 states have (on average 1.2648194718879109) internal successors, (28165), 23135 states have internal predecessors, (28165), 8067 states have call successors, (8067), 2522 states have call predecessors, (8067), 2505 states have return successors, (9259), 7691 states have call predecessors, (9259), 8065 states have call successors, (9259) [2021-11-19 14:34:29,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32873 states to 32873 states and 45491 transitions. [2021-11-19 14:34:29,564 INFO L78 Accepts]: Start accepts. Automaton has 32873 states and 45491 transitions. Word has length 126 [2021-11-19 14:34:29,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:34:29,565 INFO L470 AbstractCegarLoop]: Abstraction has 32873 states and 45491 transitions. [2021-11-19 14:34:29,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-19 14:34:29,565 INFO L276 IsEmpty]: Start isEmpty. Operand 32873 states and 45491 transitions. [2021-11-19 14:34:29,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-19 14:34:29,567 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:34:29,567 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:34:29,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-19 14:34:29,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:34:29,781 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-11-19 14:34:29,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:34:29,782 INFO L85 PathProgramCache]: Analyzing trace with hash -2130298627, now seen corresponding path program 1 times [2021-11-19 14:34:29,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:34:29,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [627542824] [2021-11-19 14:34:29,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:34:29,783 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:34:29,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:34:29,784 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:34:29,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a506e7ca-789c-406d-ad89-ccbf6f58b35e/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-19 14:34:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:34:31,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 1170 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:34:31,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:34:32,321 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:34:32,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:34:33,170 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:34:33,171 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:34:33,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [627542824] [2021-11-19 14:34:33,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [627542824] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:34:33,171 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:34:33,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8 [2021-11-19 14:34:33,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294827881] [2021-11-19 14:34:33,172 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:34:33,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 14:34:33,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:34:33,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 14:34:33,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-19 14:34:33,173 INFO L87 Difference]: Start difference. First operand 32873 states and 45491 transitions. Second operand has 8 states, 8 states have (on average 21.125) internal successors, (169), 6 states have internal predecessors, (169), 3 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40)