./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--media--usb--gspca--gspca_main.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 68ead1e29a6cc769e9e712c81a52de8a551f5275fff71a8b8c48675aa28de434 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:36:41,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:36:41,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:36:41,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:36:41,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:36:41,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:36:41,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:36:41,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:36:41,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:36:41,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:36:41,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:36:41,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:36:41,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:36:41,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:36:42,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:36:42,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:36:42,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:36:42,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:36:42,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:36:42,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:36:42,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:36:42,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:36:42,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:36:42,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:36:42,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:36:42,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:36:42,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:36:42,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:36:42,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:36:42,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:36:42,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:36:42,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:36:42,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:36:42,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:36:42,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:36:42,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:36:42,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:36:42,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:36:42,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:36:42,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:36:42,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:36:42,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 02:36:42,117 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:36:42,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:36:42,119 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:36:42,120 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:36:42,120 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:36:42,121 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:36:42,121 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:36:42,121 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:36:42,121 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:36:42,122 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:36:42,131 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:36:42,131 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:36:42,131 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:36:42,132 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:36:42,132 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:36:42,132 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:36:42,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:36:42,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:36:42,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:36:42,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:36:42,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:36:42,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:36:42,135 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:36:42,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:36:42,136 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:36:42,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:36:42,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:36:42,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:36:42,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:36:42,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:36:42,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:36:42,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:36:42,140 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:36:42,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:36:42,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:36:42,141 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:36:42,142 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:36:42,142 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_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68ead1e29a6cc769e9e712c81a52de8a551f5275fff71a8b8c48675aa28de434 [2021-11-13 02:36:42,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:36:42,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:36:42,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:36:42,590 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:36:42,591 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:36:42,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i [2021-11-13 02:36:42,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/data/4df386b43/bf012285912840aea72d83e8e6ce56cb/FLAGbbe58171c [2021-11-13 02:36:43,876 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:36:43,878 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i [2021-11-13 02:36:43,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/data/4df386b43/bf012285912840aea72d83e8e6ce56cb/FLAGbbe58171c [2021-11-13 02:36:44,202 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/data/4df386b43/bf012285912840aea72d83e8e6ce56cb [2021-11-13 02:36:44,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:36:44,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:36:44,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:36:44,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:36:44,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:36:44,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:36:44" (1/1) ... [2021-11-13 02:36:44,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23f45033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:44, skipping insertion in model container [2021-11-13 02:36:44,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:36:44" (1/1) ... [2021-11-13 02:36:44,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:36:44,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:36:46,514 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,520 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,526 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,585 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,592 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,760 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,777 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,783 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,790 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,801 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,821 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,827 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,847 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,857 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,873 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,881 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,890 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,898 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,917 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,929 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,936 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,945 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,953 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,960 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,967 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,975 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:46,982 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,007 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,022 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,050 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,059 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,073 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,102 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,105 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,108 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,341 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,342 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,358 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,358 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,359 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,359 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,359 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,360 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,360 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,360 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,361 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,361 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,362 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,362 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,362 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,363 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,363 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,363 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,364 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,364 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,372 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,375 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,750 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:47,758 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:48,437 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:48,437 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:49,115 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418415,418428] [2021-11-13 02:36:49,118 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418560,418573] [2021-11-13 02:36:49,120 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418706,418719] [2021-11-13 02:36:49,121 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418871,418884] [2021-11-13 02:36:49,127 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419029,419042] [2021-11-13 02:36:49,128 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419187,419200] [2021-11-13 02:36:49,129 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419345,419358] [2021-11-13 02:36:49,131 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419505,419518] [2021-11-13 02:36:49,132 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419664,419677] [2021-11-13 02:36:49,134 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419803,419816] [2021-11-13 02:36:49,135 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419945,419958] [2021-11-13 02:36:49,136 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420094,420107] [2021-11-13 02:36:49,136 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420233,420246] [2021-11-13 02:36:49,136 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420388,420401] [2021-11-13 02:36:49,137 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420548,420561] [2021-11-13 02:36:49,137 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420699,420712] [2021-11-13 02:36:49,138 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420850,420863] [2021-11-13 02:36:49,139 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421002,421015] [2021-11-13 02:36:49,139 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421151,421164] [2021-11-13 02:36:49,140 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421299,421312] [2021-11-13 02:36:49,140 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421456,421469] [2021-11-13 02:36:49,141 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421605,421618] [2021-11-13 02:36:49,141 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421761,421774] [2021-11-13 02:36:49,142 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421914,421927] [2021-11-13 02:36:49,142 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422060,422073] [2021-11-13 02:36:49,143 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422203,422216] [2021-11-13 02:36:49,143 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422355,422368] [2021-11-13 02:36:49,144 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422501,422514] [2021-11-13 02:36:49,144 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422646,422659] [2021-11-13 02:36:49,145 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422800,422813] [2021-11-13 02:36:49,145 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422951,422964] [2021-11-13 02:36:49,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423106,423119] [2021-11-13 02:36:49,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423258,423271] [2021-11-13 02:36:49,147 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423413,423426] [2021-11-13 02:36:49,147 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423577,423590] [2021-11-13 02:36:49,148 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423733,423746] [2021-11-13 02:36:49,148 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423897,423910] [2021-11-13 02:36:49,149 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424039,424052] [2021-11-13 02:36:49,149 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424197,424210] [2021-11-13 02:36:49,149 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424364,424377] [2021-11-13 02:36:49,150 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424523,424536] [2021-11-13 02:36:49,150 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424682,424695] [2021-11-13 02:36:49,151 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424831,424844] [2021-11-13 02:36:49,151 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424978,424991] [2021-11-13 02:36:49,152 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425117,425130] [2021-11-13 02:36:49,152 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425280,425293] [2021-11-13 02:36:49,153 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425446,425459] [2021-11-13 02:36:49,153 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425610,425623] [2021-11-13 02:36:49,154 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425775,425788] [2021-11-13 02:36:49,154 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425940,425953] [2021-11-13 02:36:49,155 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426106,426119] [2021-11-13 02:36:49,155 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426271,426284] [2021-11-13 02:36:49,156 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426438,426451] [2021-11-13 02:36:49,156 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426598,426611] [2021-11-13 02:36:49,157 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426760,426773] [2021-11-13 02:36:49,157 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426919,426932] [2021-11-13 02:36:49,158 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427065,427078] [2021-11-13 02:36:49,158 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427208,427221] [2021-11-13 02:36:49,158 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427352,427365] [2021-11-13 02:36:49,159 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427495,427508] [2021-11-13 02:36:49,159 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427639,427652] [2021-11-13 02:36:49,159 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427780,427793] [2021-11-13 02:36:49,160 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427918,427931] [2021-11-13 02:36:49,160 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428076,428089] [2021-11-13 02:36:49,161 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428235,428248] [2021-11-13 02:36:49,161 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428391,428404] [2021-11-13 02:36:49,162 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428540,428553] [2021-11-13 02:36:49,162 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428692,428705] [2021-11-13 02:36:49,162 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428843,428856] [2021-11-13 02:36:49,163 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428992,429005] [2021-11-13 02:36:49,163 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429144,429157] [2021-11-13 02:36:49,164 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429292,429305] [2021-11-13 02:36:49,164 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429445,429458] [2021-11-13 02:36:49,165 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429596,429609] [2021-11-13 02:36:49,165 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429746,429759] [2021-11-13 02:36:49,165 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429893,429906] [2021-11-13 02:36:49,166 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430044,430057] [2021-11-13 02:36:49,166 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430195,430208] [2021-11-13 02:36:49,167 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430343,430356] [2021-11-13 02:36:49,167 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430509,430522] [2021-11-13 02:36:49,168 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430678,430691] [2021-11-13 02:36:49,168 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430845,430858] [2021-11-13 02:36:49,169 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431013,431026] [2021-11-13 02:36:49,169 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431163,431176] [2021-11-13 02:36:49,170 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431310,431323] [2021-11-13 02:36:49,170 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431471,431484] [2021-11-13 02:36:49,170 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431641,431654] [2021-11-13 02:36:49,171 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431803,431816] [2021-11-13 02:36:49,173 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:49,174 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:49,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:36:49,258 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) [2021-11-13 02:36:49,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3da308af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:49, skipping insertion in model container [2021-11-13 02:36:49,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:36:49,259 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:36:49,265 INFO L158 Benchmark]: Toolchain (without parser) took 5056.62ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 65.4MB in the beginning and 80.4MB in the end (delta: -15.0MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2021-11-13 02:36:49,265 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:36:49,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5047.69ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 65.4MB in the beginning and 80.4MB in the end (delta: -15.0MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2021-11-13 02:36:49,272 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5047.69ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 65.4MB in the beginning and 80.4MB in the end (delta: -15.0MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5906]: 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_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 68ead1e29a6cc769e9e712c81a52de8a551f5275fff71a8b8c48675aa28de434 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:36:51,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:36:51,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:36:51,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:36:51,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:36:51,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:36:51,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:36:51,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:36:51,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:36:51,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:36:51,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:36:51,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:36:51,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:36:51,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:36:51,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:36:51,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:36:51,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:36:51,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:36:51,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:36:51,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:36:51,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:36:51,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:36:51,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:36:51,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:36:51,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:36:51,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:36:51,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:36:51,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:36:51,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:36:51,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:36:51,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:36:51,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:36:51,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:36:51,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:36:51,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:36:51,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:36:51,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:36:51,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:36:51,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:36:51,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:36:51,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:36:51,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 02:36:51,980 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:36:51,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:36:51,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:36:51,982 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:36:51,982 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:36:51,983 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:36:51,983 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:36:51,983 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:36:51,984 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:36:51,984 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:36:51,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:36:51,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:36:51,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:36:51,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:36:51,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:36:51,988 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:36:51,988 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:36:51,989 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:36:51,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:36:51,989 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:36:51,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:36:51,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:36:51,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:36:51,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:36:51,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:36:51,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:36:51,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:36:51,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:36:51,992 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:36:51,992 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:36:51,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:36:51,992 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:36:51,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:36:51,993 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_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68ead1e29a6cc769e9e712c81a52de8a551f5275fff71a8b8c48675aa28de434 [2021-11-13 02:36:52,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:36:52,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:36:52,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:36:52,493 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:36:52,494 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:36:52,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i [2021-11-13 02:36:52,589 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/data/87c945431/4fcdd675da7a4fa0b6a55d3c24cdff28/FLAGb24a98ab7 [2021-11-13 02:36:53,966 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:36:53,967 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i [2021-11-13 02:36:54,051 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/data/87c945431/4fcdd675da7a4fa0b6a55d3c24cdff28/FLAGb24a98ab7 [2021-11-13 02:36:54,069 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/data/87c945431/4fcdd675da7a4fa0b6a55d3c24cdff28 [2021-11-13 02:36:54,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:36:54,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:36:54,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:36:54,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:36:54,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:36:54,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:36:54" (1/1) ... [2021-11-13 02:36:54,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7808d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:54, skipping insertion in model container [2021-11-13 02:36:54,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:36:54" (1/1) ... [2021-11-13 02:36:54,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:36:54,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:36:59,277 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418415,418428] [2021-11-13 02:36:59,279 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418560,418573] [2021-11-13 02:36:59,280 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418706,418719] [2021-11-13 02:36:59,280 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418871,418884] [2021-11-13 02:36:59,281 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419029,419042] [2021-11-13 02:36:59,282 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419187,419200] [2021-11-13 02:36:59,282 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419345,419358] [2021-11-13 02:36:59,282 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419505,419518] [2021-11-13 02:36:59,283 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419664,419677] [2021-11-13 02:36:59,284 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419803,419816] [2021-11-13 02:36:59,284 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419945,419958] [2021-11-13 02:36:59,285 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420094,420107] [2021-11-13 02:36:59,285 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420233,420246] [2021-11-13 02:36:59,286 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420388,420401] [2021-11-13 02:36:59,286 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420548,420561] [2021-11-13 02:36:59,287 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420699,420712] [2021-11-13 02:36:59,288 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420850,420863] [2021-11-13 02:36:59,288 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421002,421015] [2021-11-13 02:36:59,289 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421151,421164] [2021-11-13 02:36:59,289 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421299,421312] [2021-11-13 02:36:59,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421456,421469] [2021-11-13 02:36:59,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421605,421618] [2021-11-13 02:36:59,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421761,421774] [2021-11-13 02:36:59,292 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421914,421927] [2021-11-13 02:36:59,292 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422060,422073] [2021-11-13 02:36:59,293 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422203,422216] [2021-11-13 02:36:59,293 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422355,422368] [2021-11-13 02:36:59,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422501,422514] [2021-11-13 02:36:59,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422646,422659] [2021-11-13 02:36:59,295 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422800,422813] [2021-11-13 02:36:59,296 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422951,422964] [2021-11-13 02:36:59,297 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423106,423119] [2021-11-13 02:36:59,297 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423258,423271] [2021-11-13 02:36:59,298 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423413,423426] [2021-11-13 02:36:59,298 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423577,423590] [2021-11-13 02:36:59,299 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423733,423746] [2021-11-13 02:36:59,300 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423897,423910] [2021-11-13 02:36:59,300 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424039,424052] [2021-11-13 02:36:59,301 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424197,424210] [2021-11-13 02:36:59,301 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424364,424377] [2021-11-13 02:36:59,302 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424523,424536] [2021-11-13 02:36:59,303 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424682,424695] [2021-11-13 02:36:59,303 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424831,424844] [2021-11-13 02:36:59,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424978,424991] [2021-11-13 02:36:59,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425117,425130] [2021-11-13 02:36:59,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425280,425293] [2021-11-13 02:36:59,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425446,425459] [2021-11-13 02:36:59,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425610,425623] [2021-11-13 02:36:59,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425775,425788] [2021-11-13 02:36:59,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425940,425953] [2021-11-13 02:36:59,308 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426106,426119] [2021-11-13 02:36:59,308 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426271,426284] [2021-11-13 02:36:59,309 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426438,426451] [2021-11-13 02:36:59,309 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426598,426611] [2021-11-13 02:36:59,310 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426760,426773] [2021-11-13 02:36:59,311 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426919,426932] [2021-11-13 02:36:59,311 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427065,427078] [2021-11-13 02:36:59,312 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427208,427221] [2021-11-13 02:36:59,312 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427352,427365] [2021-11-13 02:36:59,313 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427495,427508] [2021-11-13 02:36:59,313 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427639,427652] [2021-11-13 02:36:59,314 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427780,427793] [2021-11-13 02:36:59,314 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427918,427931] [2021-11-13 02:36:59,315 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428076,428089] [2021-11-13 02:36:59,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428235,428248] [2021-11-13 02:36:59,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428391,428404] [2021-11-13 02:36:59,317 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428540,428553] [2021-11-13 02:36:59,317 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428692,428705] [2021-11-13 02:36:59,318 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428843,428856] [2021-11-13 02:36:59,318 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428992,429005] [2021-11-13 02:36:59,319 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429144,429157] [2021-11-13 02:36:59,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429292,429305] [2021-11-13 02:36:59,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429445,429458] [2021-11-13 02:36:59,321 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429596,429609] [2021-11-13 02:36:59,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429746,429759] [2021-11-13 02:36:59,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429893,429906] [2021-11-13 02:36:59,323 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430044,430057] [2021-11-13 02:36:59,323 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430195,430208] [2021-11-13 02:36:59,324 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430343,430356] [2021-11-13 02:36:59,324 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430509,430522] [2021-11-13 02:36:59,325 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430678,430691] [2021-11-13 02:36:59,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430845,430858] [2021-11-13 02:36:59,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431013,431026] [2021-11-13 02:36:59,327 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431163,431176] [2021-11-13 02:36:59,327 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431310,431323] [2021-11-13 02:36:59,328 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431471,431484] [2021-11-13 02:36:59,328 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431641,431654] [2021-11-13 02:36:59,329 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431803,431816] [2021-11-13 02:36:59,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:36:59,436 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 02:36:59,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:36:59,905 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418415,418428] [2021-11-13 02:36:59,906 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418560,418573] [2021-11-13 02:36:59,907 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418706,418719] [2021-11-13 02:36:59,907 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418871,418884] [2021-11-13 02:36:59,908 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419029,419042] [2021-11-13 02:36:59,908 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419187,419200] [2021-11-13 02:36:59,908 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419345,419358] [2021-11-13 02:36:59,909 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419505,419518] [2021-11-13 02:36:59,909 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419664,419677] [2021-11-13 02:36:59,910 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419803,419816] [2021-11-13 02:36:59,910 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419945,419958] [2021-11-13 02:36:59,911 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420094,420107] [2021-11-13 02:36:59,911 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420233,420246] [2021-11-13 02:36:59,911 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420388,420401] [2021-11-13 02:36:59,912 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420548,420561] [2021-11-13 02:36:59,912 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420699,420712] [2021-11-13 02:36:59,913 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420850,420863] [2021-11-13 02:36:59,913 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421002,421015] [2021-11-13 02:36:59,914 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421151,421164] [2021-11-13 02:36:59,914 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421299,421312] [2021-11-13 02:36:59,914 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421456,421469] [2021-11-13 02:36:59,915 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421605,421618] [2021-11-13 02:36:59,915 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421761,421774] [2021-11-13 02:36:59,916 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421914,421927] [2021-11-13 02:36:59,916 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422060,422073] [2021-11-13 02:36:59,916 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422203,422216] [2021-11-13 02:36:59,917 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422355,422368] [2021-11-13 02:36:59,917 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422501,422514] [2021-11-13 02:36:59,918 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422646,422659] [2021-11-13 02:36:59,918 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422800,422813] [2021-11-13 02:36:59,918 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422951,422964] [2021-11-13 02:36:59,919 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423106,423119] [2021-11-13 02:36:59,919 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423258,423271] [2021-11-13 02:36:59,920 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423413,423426] [2021-11-13 02:36:59,920 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423577,423590] [2021-11-13 02:36:59,921 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423733,423746] [2021-11-13 02:36:59,921 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423897,423910] [2021-11-13 02:36:59,921 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424039,424052] [2021-11-13 02:36:59,922 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424197,424210] [2021-11-13 02:36:59,922 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424364,424377] [2021-11-13 02:36:59,922 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424523,424536] [2021-11-13 02:36:59,923 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424682,424695] [2021-11-13 02:36:59,923 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424831,424844] [2021-11-13 02:36:59,924 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424978,424991] [2021-11-13 02:36:59,924 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425117,425130] [2021-11-13 02:36:59,924 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425280,425293] [2021-11-13 02:36:59,925 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425446,425459] [2021-11-13 02:36:59,925 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425610,425623] [2021-11-13 02:36:59,926 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425775,425788] [2021-11-13 02:36:59,926 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425940,425953] [2021-11-13 02:36:59,926 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426106,426119] [2021-11-13 02:36:59,927 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426271,426284] [2021-11-13 02:36:59,927 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426438,426451] [2021-11-13 02:36:59,927 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426598,426611] [2021-11-13 02:36:59,928 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426760,426773] [2021-11-13 02:36:59,928 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426919,426932] [2021-11-13 02:36:59,929 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427065,427078] [2021-11-13 02:36:59,929 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427208,427221] [2021-11-13 02:36:59,929 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427352,427365] [2021-11-13 02:36:59,930 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427495,427508] [2021-11-13 02:36:59,930 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427639,427652] [2021-11-13 02:36:59,931 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427780,427793] [2021-11-13 02:36:59,931 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427918,427931] [2021-11-13 02:36:59,931 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428076,428089] [2021-11-13 02:36:59,932 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428235,428248] [2021-11-13 02:36:59,932 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428391,428404] [2021-11-13 02:36:59,932 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428540,428553] [2021-11-13 02:36:59,933 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428692,428705] [2021-11-13 02:36:59,933 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428843,428856] [2021-11-13 02:36:59,934 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428992,429005] [2021-11-13 02:36:59,934 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429144,429157] [2021-11-13 02:36:59,934 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429292,429305] [2021-11-13 02:36:59,935 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429445,429458] [2021-11-13 02:36:59,935 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429596,429609] [2021-11-13 02:36:59,936 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429746,429759] [2021-11-13 02:36:59,936 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429893,429906] [2021-11-13 02:36:59,936 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430044,430057] [2021-11-13 02:36:59,937 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430195,430208] [2021-11-13 02:36:59,937 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430343,430356] [2021-11-13 02:36:59,937 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430509,430522] [2021-11-13 02:36:59,938 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430678,430691] [2021-11-13 02:36:59,938 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430845,430858] [2021-11-13 02:36:59,939 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431013,431026] [2021-11-13 02:36:59,939 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431163,431176] [2021-11-13 02:36:59,939 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431310,431323] [2021-11-13 02:36:59,940 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431471,431484] [2021-11-13 02:36:59,940 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431641,431654] [2021-11-13 02:36:59,941 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431803,431816] [2021-11-13 02:36:59,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:37:00,024 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:37:00,902 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418415,418428] [2021-11-13 02:37:00,902 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418560,418573] [2021-11-13 02:37:00,903 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418706,418719] [2021-11-13 02:37:00,903 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418871,418884] [2021-11-13 02:37:00,904 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419029,419042] [2021-11-13 02:37:00,904 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419187,419200] [2021-11-13 02:37:00,904 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419345,419358] [2021-11-13 02:37:00,905 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419505,419518] [2021-11-13 02:37:00,905 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419664,419677] [2021-11-13 02:37:00,906 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419803,419816] [2021-11-13 02:37:00,906 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419945,419958] [2021-11-13 02:37:00,906 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420094,420107] [2021-11-13 02:37:00,907 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420233,420246] [2021-11-13 02:37:00,907 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420388,420401] [2021-11-13 02:37:00,908 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420548,420561] [2021-11-13 02:37:00,908 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420699,420712] [2021-11-13 02:37:00,908 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420850,420863] [2021-11-13 02:37:00,909 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421002,421015] [2021-11-13 02:37:00,909 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421151,421164] [2021-11-13 02:37:00,910 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421299,421312] [2021-11-13 02:37:00,910 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421456,421469] [2021-11-13 02:37:00,910 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421605,421618] [2021-11-13 02:37:00,911 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421761,421774] [2021-11-13 02:37:00,911 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421914,421927] [2021-11-13 02:37:00,911 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422060,422073] [2021-11-13 02:37:00,912 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422203,422216] [2021-11-13 02:37:00,912 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422355,422368] [2021-11-13 02:37:00,913 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422501,422514] [2021-11-13 02:37:00,913 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422646,422659] [2021-11-13 02:37:00,913 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422800,422813] [2021-11-13 02:37:00,914 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422951,422964] [2021-11-13 02:37:00,914 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423106,423119] [2021-11-13 02:37:00,915 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423258,423271] [2021-11-13 02:37:00,915 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423413,423426] [2021-11-13 02:37:00,915 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423577,423590] [2021-11-13 02:37:00,916 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423733,423746] [2021-11-13 02:37:00,916 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423897,423910] [2021-11-13 02:37:00,916 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424039,424052] [2021-11-13 02:37:00,917 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424197,424210] [2021-11-13 02:37:00,917 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424364,424377] [2021-11-13 02:37:00,917 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424523,424536] [2021-11-13 02:37:00,918 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424682,424695] [2021-11-13 02:37:00,918 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424831,424844] [2021-11-13 02:37:00,918 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424978,424991] [2021-11-13 02:37:00,919 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425117,425130] [2021-11-13 02:37:00,919 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425280,425293] [2021-11-13 02:37:00,920 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425446,425459] [2021-11-13 02:37:00,920 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425610,425623] [2021-11-13 02:37:00,920 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425775,425788] [2021-11-13 02:37:00,921 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425940,425953] [2021-11-13 02:37:00,921 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426106,426119] [2021-11-13 02:37:00,921 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426271,426284] [2021-11-13 02:37:00,922 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426438,426451] [2021-11-13 02:37:00,922 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426598,426611] [2021-11-13 02:37:00,922 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426760,426773] [2021-11-13 02:37:00,923 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426919,426932] [2021-11-13 02:37:00,923 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427065,427078] [2021-11-13 02:37:00,923 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427208,427221] [2021-11-13 02:37:00,924 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427352,427365] [2021-11-13 02:37:00,924 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427495,427508] [2021-11-13 02:37:00,925 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427639,427652] [2021-11-13 02:37:00,925 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427780,427793] [2021-11-13 02:37:00,925 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427918,427931] [2021-11-13 02:37:00,925 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428076,428089] [2021-11-13 02:37:00,926 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428235,428248] [2021-11-13 02:37:00,926 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428391,428404] [2021-11-13 02:37:00,926 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428540,428553] [2021-11-13 02:37:00,927 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428692,428705] [2021-11-13 02:37:00,927 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428843,428856] [2021-11-13 02:37:00,927 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428992,429005] [2021-11-13 02:37:00,928 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429144,429157] [2021-11-13 02:37:00,928 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429292,429305] [2021-11-13 02:37:00,929 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429445,429458] [2021-11-13 02:37:00,929 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429596,429609] [2021-11-13 02:37:00,929 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429746,429759] [2021-11-13 02:37:00,930 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429893,429906] [2021-11-13 02:37:00,930 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430044,430057] [2021-11-13 02:37:00,930 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430195,430208] [2021-11-13 02:37:00,931 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430343,430356] [2021-11-13 02:37:00,931 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430509,430522] [2021-11-13 02:37:00,944 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430678,430691] [2021-11-13 02:37:00,944 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430845,430858] [2021-11-13 02:37:00,945 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431013,431026] [2021-11-13 02:37:00,945 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431163,431176] [2021-11-13 02:37:00,945 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431310,431323] [2021-11-13 02:37:00,946 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431471,431484] [2021-11-13 02:37:00,946 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431641,431654] [2021-11-13 02:37:00,947 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431803,431816] [2021-11-13 02:37:00,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:37:01,284 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:37:01,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:01 WrapperNode [2021-11-13 02:37:01,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:37:01,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:37:01,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:37:01,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:37:01,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:01" (1/1) ... [2021-11-13 02:37:01,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:01" (1/1) ... [2021-11-13 02:37:01,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:37:01,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:37:01,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:37:01,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:37:01,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:01" (1/1) ... [2021-11-13 02:37:01,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:01" (1/1) ... [2021-11-13 02:37:01,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:01" (1/1) ... [2021-11-13 02:37:01,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:01" (1/1) ... [2021-11-13 02:37:02,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:01" (1/1) ... [2021-11-13 02:37:02,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:01" (1/1) ... [2021-11-13 02:37:02,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:01" (1/1) ... [2021-11-13 02:37:02,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:37:02,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:37:02,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:37:02,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:37:02,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:01" (1/1) ... [2021-11-13 02:37:02,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:37:02,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:37:02,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:37:02,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:37:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-13 02:37:02,260 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-13 02:37:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure PDEBUG_MODE [2021-11-13 02:37:02,260 INFO L138 BoogieDeclarations]: Found implementation of procedure PDEBUG_MODE [2021-11-13 02:37:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-13 02:37:02,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-13 02:37:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure alt_xfer [2021-11-13 02:37:02,261 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_xfer [2021-11-13 02:37:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2021-11-13 02:37:02,261 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2021-11-13 02:37:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 02:37:02,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 02:37:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2021-11-13 02:37:02,261 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2021-11-13 02:37:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-13 02:37:02,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-13 02:37:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure frame_ready_nolock [2021-11-13 02:37:02,262 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_ready_nolock [2021-11-13 02:37:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2021-11-13 02:37:02,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2021-11-13 02:37:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure frame_ready [2021-11-13 02:37:02,263 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_ready [2021-11-13 02:37:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-13 02:37:02,263 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-13 02:37:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-13 02:37:02,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-13 02:37:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-13 02:37:02,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-13 02:37:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_set_alt0 [2021-11-13 02:37:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_set_alt0 [2021-11-13 02:37:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2021-11-13 02:37:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2021-11-13 02:37:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 02:37:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 02:37:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-11-13 02:37:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-11-13 02:37:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-13 02:37:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-13 02:37:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure int_irq [2021-11-13 02:37:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure int_irq [2021-11-13 02:37:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 02:37:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 02:37:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-13 02:37:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-13 02:37:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_queue_lock_of_gspca_dev [2021-11-13 02:37:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_queue_lock_of_gspca_dev [2021-11-13 02:37:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2021-11-13 02:37:02,267 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2021-11-13 02:37:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:37:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-13 02:37:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 02:37:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 02:37:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 02:37:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_usb_lock_of_gspca_dev [2021-11-13 02:37:02,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_usb_lock_of_gspca_dev [2021-11-13 02:37:02,268 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_stream_off [2021-11-13 02:37:02,268 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_stream_off [2021-11-13 02:37:02,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-13 02:37:02,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-13 02:37:02,268 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_input_create_urb [2021-11-13 02:37:02,268 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_input_create_urb [2021-11-13 02:37:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timeval [2021-11-13 02:37:02,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timeval [2021-11-13 02:37:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-13 02:37:02,269 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-13 02:37:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-13 02:37:02,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-13 02:37:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 02:37:02,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 02:37:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-13 02:37:02,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-13 02:37:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-13 02:37:02,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-13 02:37:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 02:37:02,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 02:37:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-13 02:37:02,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-13 02:37:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-13 02:37:02,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-13 02:37:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-13 02:37:02,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-13 02:37:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-13 02:37:02,272 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-13 02:37:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-13 02:37:02,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-13 02:37:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-13 02:37:02,272 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-13 02:37:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-11-13 02:37:02,272 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-11-13 02:37:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-13 02:37:02,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-13 02:37:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-13 02:37:02,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-13 02:37:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 02:37:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2021-11-13 02:37:02,273 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2021-11-13 02:37:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_urbs [2021-11-13 02:37:02,274 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_urbs [2021-11-13 02:37:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 02:37:02,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 02:37:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 02:37:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 02:37:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-13 02:37:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-13 02:37:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 02:37:02,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 02:37:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 02:37:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-13 02:37:02,279 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-13 02:37:02,279 INFO L130 BoogieDeclarations]: Found specification of procedure dev_open [2021-11-13 02:37:02,279 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_open [2021-11-13 02:37:02,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_queue_lock_of_gspca_dev [2021-11-13 02:37:02,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_queue_lock_of_gspca_dev [2021-11-13 02:37:02,279 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_vm_close [2021-11-13 02:37:02,279 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_vm_close [2021-11-13 02:37:02,280 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2021-11-13 02:37:02,280 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2021-11-13 02:37:02,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2021-11-13 02:37:02,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2021-11-13 02:37:02,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-11-13 02:37:02,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-11-13 02:37:02,282 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2021-11-13 02:37:02,282 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2021-11-13 02:37:02,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-13 02:37:02,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-13 02:37:02,283 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-11-13 02:37:02,283 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-11-13 02:37:02,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-13 02:37:02,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:37:02,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:37:02,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 02:37:02,283 INFO L130 BoogieDeclarations]: Found specification of procedure wxh_to_mode [2021-11-13 02:37:02,284 INFO L138 BoogieDeclarations]: Found implementation of procedure wxh_to_mode [2021-11-13 02:37:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-13 02:37:02,284 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-13 02:37:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 02:37:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 02:37:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 02:37:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 02:37:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 02:37:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 02:37:02,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 02:37:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-13 02:37:02,285 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-13 02:37:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure frame_free [2021-11-13 02:37:02,285 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_free [2021-11-13 02:37:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-13 02:37:02,286 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-13 02:37:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mmap [2021-11-13 02:37:02,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mmap [2021-11-13 02:37:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-11-13 02:37:02,286 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-11-13 02:37:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2021-11-13 02:37:02,286 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2021-11-13 02:37:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_init_transfer [2021-11-13 02:37:02,287 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_init_transfer [2021-11-13 02:37:02,287 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2021-11-13 02:37:02,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2021-11-13 02:37:02,287 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-13 02:37:02,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-13 02:37:02,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 02:37:02,287 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 02:37:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-13 02:37:02,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-13 02:37:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-11-13 02:37:02,288 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-11-13 02:37:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2021-11-13 02:37:02,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2021-11-13 02:37:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-13 02:37:02,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-13 02:37:02,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:37:02,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-13 02:37:02,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-13 02:37:02,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 02:37:02,289 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-13 02:37:02,290 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-13 02:37:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_usb_lock_of_gspca_dev [2021-11-13 02:37:02,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_usb_lock_of_gspca_dev [2021-11-13 02:37:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2021-11-13 02:37:02,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2021-11-13 02:37:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 02:37:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 02:37:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 02:37:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 02:37:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-11-13 02:37:02,291 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-11-13 02:37:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2021-11-13 02:37:02,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2021-11-13 02:37:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure read_alloc [2021-11-13 02:37:02,291 INFO L138 BoogieDeclarations]: Found implementation of procedure read_alloc [2021-11-13 02:37:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-13 02:37:02,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-13 02:37:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 02:37:02,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 02:37:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2021-11-13 02:37:02,292 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2021-11-13 02:37:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2021-11-13 02:37:02,293 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release_empty [2021-11-13 02:37:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-11-13 02:37:02,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-11-13 02:37:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-11-13 02:37:02,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-11-13 02:37:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-13 02:37:02,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-13 02:37:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_input_destroy_urb [2021-11-13 02:37:02,294 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_input_destroy_urb [2021-11-13 02:37:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-13 02:37:02,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-13 02:37:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-13 02:37:02,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-13 02:37:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-13 02:37:02,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-13 02:37:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 02:37:02,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 02:37:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-13 02:37:02,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-13 02:37:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 02:37:02,295 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 02:37:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-13 02:37:02,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-13 02:37:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-13 02:37:02,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-13 02:37:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 02:37:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_disconnect [2021-11-13 02:37:02,296 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_disconnect [2021-11-13 02:37:02,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-13 02:37:02,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-13 02:37:02,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-13 02:37:02,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 02:37:02,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 02:37:02,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-13 02:37:02,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-13 02:37:02,301 INFO L130 BoogieDeclarations]: Found specification of procedure try_fmt_vid_cap [2021-11-13 02:37:02,301 INFO L138 BoogieDeclarations]: Found implementation of procedure try_fmt_vid_cap [2021-11-13 02:37:02,302 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-13 02:37:02,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-13 02:37:02,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 02:37:02,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 02:37:02,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-13 02:37:02,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-13 02:37:02,302 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-13 02:37:02,303 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-13 02:37:02,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_usb_lock_of_gspca_dev [2021-11-13 02:37:02,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_usb_lock_of_gspca_dev [2021-11-13 02:37:02,303 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-13 02:37:02,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-13 02:37:02,303 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_vm_open [2021-11-13 02:37:02,303 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_vm_open [2021-11-13 02:37:03,646 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 02:37:53,129 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:37:53,129 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 02:37:53,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:37:53 BoogieIcfgContainer [2021-11-13 02:37:53,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:37:53,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:37:53,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:37:53,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:37:53,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:36:54" (1/3) ... [2021-11-13 02:37:53,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4832caef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:37:53, skipping insertion in model container [2021-11-13 02:37:53,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:01" (2/3) ... [2021-11-13 02:37:53,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4832caef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:37:53, skipping insertion in model container [2021-11-13 02:37:53,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:37:53" (3/3) ... [2021-11-13 02:37:53,146 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i [2021-11-13 02:37:53,151 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:37:53,151 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2021-11-13 02:37:53,209 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:37:53,215 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 [2021-11-13 02:37:53,215 INFO L340 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2021-11-13 02:37:53,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 1765 states, 1262 states have (on average 1.3375594294770206) internal successors, (1688), 1312 states have internal predecessors, (1688), 364 states have call successors, (364), 109 states have call predecessors, (364), 108 states have return successors, (360), 353 states have call predecessors, (360), 360 states have call successors, (360) [2021-11-13 02:37:53,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 02:37:53,276 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:53,277 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] [2021-11-13 02:37:53,278 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:37:53,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:53,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1083067926, now seen corresponding path program 1 times [2021-11-13 02:37:53,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:37:53,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175374857] [2021-11-13 02:37:53,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:53,303 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:37:53,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:37:53,309 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:37:53,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 02:37:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:37:55,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 1905 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-13 02:37:55,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:37:57,061 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 02:37:57,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:37:58,187 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 02:37:58,188 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:37:58,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [175374857] [2021-11-13 02:37:58,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [175374857] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:37:58,189 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:37:58,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 14] imperfect sequences [] total 17 [2021-11-13 02:37:58,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906013221] [2021-11-13 02:37:58,192 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:37:58,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-13 02:37:58,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:37:58,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-13 02:37:58,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-11-13 02:37:58,234 INFO L87 Difference]: Start difference. First operand has 1765 states, 1262 states have (on average 1.3375594294770206) internal successors, (1688), 1312 states have internal predecessors, (1688), 364 states have call successors, (364), 109 states have call predecessors, (364), 108 states have return successors, (360), 353 states have call predecessors, (360), 360 states have call successors, (360) Second operand has 17 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 7 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2021-11-13 02:38:01,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:01,757 INFO L93 Difference]: Finished difference Result 3434 states and 4825 transitions. [2021-11-13 02:38:01,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 02:38:01,763 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 7 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) Word has length 49 [2021-11-13 02:38:01,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:01,807 INFO L225 Difference]: With dead ends: 3434 [2021-11-13 02:38:01,807 INFO L226 Difference]: Without dead ends: 1729 [2021-11-13 02:38:01,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2021-11-13 02:38:01,834 INFO L933 BasicCegarLoop]: 2306 mSDtfsCounter, 2827 mSDsluCounter, 26185 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 969 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2088.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2827 SdHoareTripleChecker+Valid, 28491 SdHoareTripleChecker+Invalid, 1302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 102.03ms SdHoareTripleChecker+Time, 969 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2303.40ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:01,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2827 Valid, 28491 Invalid, 1302 Unknown, 0 Unchecked, 102.03ms Time], IncrementalHoareTripleChecker [969 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 2303.40ms Time] [2021-11-13 02:38:01,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1729 states. [2021-11-13 02:38:02,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1729 to 1727. [2021-11-13 02:38:02,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1727 states, 1251 states have (on average 1.3093525179856116) internal successors, (1638), 1297 states have internal predecessors, (1638), 339 states have call successors, (339), 108 states have call predecessors, (339), 107 states have return successors, (338), 331 states have call predecessors, (338), 338 states have call successors, (338) [2021-11-13 02:38:02,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1727 states and 2315 transitions. [2021-11-13 02:38:02,089 INFO L78 Accepts]: Start accepts. Automaton has 1727 states and 2315 transitions. Word has length 49 [2021-11-13 02:38:02,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:02,091 INFO L470 AbstractCegarLoop]: Abstraction has 1727 states and 2315 transitions. [2021-11-13 02:38:02,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 7 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2021-11-13 02:38:02,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2315 transitions. [2021-11-13 02:38:02,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 02:38:02,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:02,095 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] [2021-11-13 02:38:02,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-13 02:38:02,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:02,311 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:38:02,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:02,312 INFO L85 PathProgramCache]: Analyzing trace with hash 416708763, now seen corresponding path program 1 times [2021-11-13 02:38:02,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:02,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [138739333] [2021-11-13 02:38:02,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:02,314 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:02,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:02,319 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:02,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 02:38:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:04,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 1919 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:38:04,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:04,946 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:04,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:05,265 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:05,266 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:05,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [138739333] [2021-11-13 02:38:05,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [138739333] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:38:05,266 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:38:05,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:38:05,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708088004] [2021-11-13 02:38:05,266 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:05,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:38:05,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:05,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:38:05,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:38:05,269 INFO L87 Difference]: Start difference. First operand 1727 states and 2315 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2021-11-13 02:38:05,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:05,502 INFO L93 Difference]: Finished difference Result 1727 states and 2315 transitions. [2021-11-13 02:38:05,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:38:05,503 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 57 [2021-11-13 02:38:05,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:05,516 INFO L225 Difference]: With dead ends: 1727 [2021-11-13 02:38:05,516 INFO L226 Difference]: Without dead ends: 1725 [2021-11-13 02:38:05,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:38:05,518 INFO L933 BasicCegarLoop]: 2311 mSDtfsCounter, 2269 mSDsluCounter, 4618 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2270 SdHoareTripleChecker+Valid, 6929 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.65ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:05,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2270 Valid, 6929 Invalid, 2 Unknown, 0 Unchecked, 21.03ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.65ms Time] [2021-11-13 02:38:05,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2021-11-13 02:38:05,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1725. [2021-11-13 02:38:05,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1725 states, 1250 states have (on average 1.3088) internal successors, (1636), 1295 states have internal predecessors, (1636), 339 states have call successors, (339), 108 states have call predecessors, (339), 107 states have return successors, (338), 331 states have call predecessors, (338), 338 states have call successors, (338) [2021-11-13 02:38:05,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1725 states and 2313 transitions. [2021-11-13 02:38:05,631 INFO L78 Accepts]: Start accepts. Automaton has 1725 states and 2313 transitions. Word has length 57 [2021-11-13 02:38:05,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:05,632 INFO L470 AbstractCegarLoop]: Abstraction has 1725 states and 2313 transitions. [2021-11-13 02:38:05,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2021-11-13 02:38:05,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2313 transitions. [2021-11-13 02:38:05,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 02:38:05,635 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:05,635 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] [2021-11-13 02:38:05,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:38:05,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:05,851 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:38:05,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:05,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1966135576, now seen corresponding path program 1 times [2021-11-13 02:38:05,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:05,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [455876528] [2021-11-13 02:38:05,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:05,855 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:05,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:05,856 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:05,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 02:38:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:08,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 1928 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:38:08,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:08,711 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:08,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:09,083 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:09,083 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:09,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [455876528] [2021-11-13 02:38:09,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [455876528] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:38:09,083 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:38:09,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:38:09,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952504242] [2021-11-13 02:38:09,084 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:09,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:38:09,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:09,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:38:09,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:38:09,086 INFO L87 Difference]: Start difference. First operand 1725 states and 2313 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (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) [2021-11-13 02:38:09,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:09,256 INFO L93 Difference]: Finished difference Result 1725 states and 2313 transitions. [2021-11-13 02:38:09,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:38:09,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (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 63 [2021-11-13 02:38:09,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:09,272 INFO L225 Difference]: With dead ends: 1725 [2021-11-13 02:38:09,273 INFO L226 Difference]: Without dead ends: 1723 [2021-11-13 02:38:09,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:38:09,279 INFO L933 BasicCegarLoop]: 2309 mSDtfsCounter, 2264 mSDsluCounter, 2307 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2265 SdHoareTripleChecker+Valid, 4616 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.39ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.89ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:09,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2265 Valid, 4616 Invalid, 2 Unknown, 0 Unchecked, 13.39ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.89ms Time] [2021-11-13 02:38:09,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2021-11-13 02:38:09,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1723. [2021-11-13 02:38:09,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1723 states, 1249 states have (on average 1.3082465972778223) internal successors, (1634), 1293 states have internal predecessors, (1634), 339 states have call successors, (339), 108 states have call predecessors, (339), 107 states have return successors, (338), 331 states have call predecessors, (338), 338 states have call successors, (338) [2021-11-13 02:38:09,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1723 states and 2311 transitions. [2021-11-13 02:38:09,394 INFO L78 Accepts]: Start accepts. Automaton has 1723 states and 2311 transitions. Word has length 63 [2021-11-13 02:38:09,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:09,395 INFO L470 AbstractCegarLoop]: Abstraction has 1723 states and 2311 transitions. [2021-11-13 02:38:09,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (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) [2021-11-13 02:38:09,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2311 transitions. [2021-11-13 02:38:09,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-13 02:38:09,403 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:09,403 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:09,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 02:38:09,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:09,627 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:38:09,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:09,628 INFO L85 PathProgramCache]: Analyzing trace with hash -441123482, now seen corresponding path program 1 times [2021-11-13 02:38:09,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:09,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [445013208] [2021-11-13 02:38:09,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:09,630 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:09,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:09,631 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:09,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 02:38:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:11,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 1937 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:38:11,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:12,341 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:12,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:12,718 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:12,719 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:12,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [445013208] [2021-11-13 02:38:12,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [445013208] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:38:12,719 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:38:12,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:38:12,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141472790] [2021-11-13 02:38:12,720 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:12,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:38:12,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:12,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:38:12,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:38:12,721 INFO L87 Difference]: Start difference. First operand 1723 states and 2311 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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) [2021-11-13 02:38:12,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:12,929 INFO L93 Difference]: Finished difference Result 1723 states and 2311 transitions. [2021-11-13 02:38:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:38:12,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 69 [2021-11-13 02:38:12,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:12,943 INFO L225 Difference]: With dead ends: 1723 [2021-11-13 02:38:12,943 INFO L226 Difference]: Without dead ends: 1721 [2021-11-13 02:38:12,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:38:12,947 INFO L933 BasicCegarLoop]: 2307 mSDtfsCounter, 2256 mSDsluCounter, 2305 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2257 SdHoareTripleChecker+Valid, 4612 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.62ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.36ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:12,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2257 Valid, 4612 Invalid, 2 Unknown, 0 Unchecked, 11.62ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.36ms Time] [2021-11-13 02:38:12,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2021-11-13 02:38:13,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1721. [2021-11-13 02:38:13,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1721 states, 1248 states have (on average 1.3076923076923077) internal successors, (1632), 1291 states have internal predecessors, (1632), 339 states have call successors, (339), 108 states have call predecessors, (339), 107 states have return successors, (338), 331 states have call predecessors, (338), 338 states have call successors, (338) [2021-11-13 02:38:13,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 2309 transitions. [2021-11-13 02:38:13,061 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 2309 transitions. Word has length 69 [2021-11-13 02:38:13,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:13,064 INFO L470 AbstractCegarLoop]: Abstraction has 1721 states and 2309 transitions. [2021-11-13 02:38:13,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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) [2021-11-13 02:38:13,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2309 transitions. [2021-11-13 02:38:13,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 02:38:13,068 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:13,068 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:13,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 02:38:13,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:13,287 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:38:13,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:13,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1945601627, now seen corresponding path program 1 times [2021-11-13 02:38:13,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:13,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [376032751] [2021-11-13 02:38:13,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:13,291 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:13,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:13,292 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:13,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 02:38:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:15,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 1946 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:38:15,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:16,160 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:16,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:16,618 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:16,618 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:16,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [376032751] [2021-11-13 02:38:16,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [376032751] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:38:16,619 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:38:16,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:38:16,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772292723] [2021-11-13 02:38:16,619 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:16,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:38:16,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:16,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:38:16,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:38:16,621 INFO L87 Difference]: Start difference. First operand 1721 states and 2309 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2021-11-13 02:38:16,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:16,803 INFO L93 Difference]: Finished difference Result 1721 states and 2309 transitions. [2021-11-13 02:38:16,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:38:16,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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 75 [2021-11-13 02:38:16,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:16,820 INFO L225 Difference]: With dead ends: 1721 [2021-11-13 02:38:16,820 INFO L226 Difference]: Without dead ends: 1719 [2021-11-13 02:38:16,822 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:38:16,823 INFO L933 BasicCegarLoop]: 2305 mSDtfsCounter, 2245 mSDsluCounter, 4606 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2246 SdHoareTripleChecker+Valid, 6911 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.94ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.10ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:16,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2246 Valid, 6911 Invalid, 2 Unknown, 0 Unchecked, 15.94ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.10ms Time] [2021-11-13 02:38:16,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2021-11-13 02:38:16,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1719. [2021-11-13 02:38:16,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1719 states, 1247 states have (on average 1.3071371291098637) internal successors, (1630), 1289 states have internal predecessors, (1630), 339 states have call successors, (339), 108 states have call predecessors, (339), 107 states have return successors, (338), 331 states have call predecessors, (338), 338 states have call successors, (338) [2021-11-13 02:38:16,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1719 states and 2307 transitions. [2021-11-13 02:38:16,996 INFO L78 Accepts]: Start accepts. Automaton has 1719 states and 2307 transitions. Word has length 75 [2021-11-13 02:38:16,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:16,997 INFO L470 AbstractCegarLoop]: Abstraction has 1719 states and 2307 transitions. [2021-11-13 02:38:16,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2021-11-13 02:38:16,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2307 transitions. [2021-11-13 02:38:16,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 02:38:16,999 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:16,999 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:17,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-13 02:38:17,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:17,225 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:38:17,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:17,225 INFO L85 PathProgramCache]: Analyzing trace with hash 872871614, now seen corresponding path program 1 times [2021-11-13 02:38:17,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:17,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [382071698] [2021-11-13 02:38:17,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:17,228 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:17,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:17,231 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:17,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 02:38:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:19,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 1955 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:38:19,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:20,371 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:20,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:20,788 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:20,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [382071698] [2021-11-13 02:38:20,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [382071698] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:38:20,788 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:38:20,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:38:20,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151963450] [2021-11-13 02:38:20,789 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:20,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:38:20,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:20,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:38:20,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:38:20,790 INFO L87 Difference]: Start difference. First operand 1719 states and 2307 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2021-11-13 02:38:20,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:20,960 INFO L93 Difference]: Finished difference Result 1719 states and 2307 transitions. [2021-11-13 02:38:20,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:38:20,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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 81 [2021-11-13 02:38:20,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:20,975 INFO L225 Difference]: With dead ends: 1719 [2021-11-13 02:38:20,975 INFO L226 Difference]: Without dead ends: 1717 [2021-11-13 02:38:20,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:38:20,978 INFO L933 BasicCegarLoop]: 2303 mSDtfsCounter, 2240 mSDsluCounter, 2301 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2241 SdHoareTripleChecker+Valid, 4604 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.27ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.56ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:20,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2241 Valid, 4604 Invalid, 2 Unknown, 0 Unchecked, 12.27ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.56ms Time] [2021-11-13 02:38:20,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2021-11-13 02:38:21,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1717. [2021-11-13 02:38:21,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1717 states, 1246 states have (on average 1.3065810593900482) internal successors, (1628), 1287 states have internal predecessors, (1628), 339 states have call successors, (339), 108 states have call predecessors, (339), 107 states have return successors, (338), 331 states have call predecessors, (338), 338 states have call successors, (338) [2021-11-13 02:38:21,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 2305 transitions. [2021-11-13 02:38:21,115 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 2305 transitions. Word has length 81 [2021-11-13 02:38:21,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:21,116 INFO L470 AbstractCegarLoop]: Abstraction has 1717 states and 2305 transitions. [2021-11-13 02:38:21,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2021-11-13 02:38:21,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2305 transitions. [2021-11-13 02:38:21,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 02:38:21,122 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:21,122 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:21,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 02:38:21,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:21,347 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:38:21,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:21,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1008246252, now seen corresponding path program 1 times [2021-11-13 02:38:21,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:21,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629464450] [2021-11-13 02:38:21,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:21,351 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:21,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:21,353 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:21,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 02:38:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:23,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 1964 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:38:23,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:24,319 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:24,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:24,766 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:24,766 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:24,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629464450] [2021-11-13 02:38:24,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629464450] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:38:24,766 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:38:24,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:38:24,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25143006] [2021-11-13 02:38:24,767 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:24,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:38:24,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:24,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:38:24,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:38:24,768 INFO L87 Difference]: Start difference. First operand 1717 states and 2305 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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) [2021-11-13 02:38:24,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:24,956 INFO L93 Difference]: Finished difference Result 1717 states and 2305 transitions. [2021-11-13 02:38:24,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:38:24,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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 87 [2021-11-13 02:38:24,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:24,971 INFO L225 Difference]: With dead ends: 1717 [2021-11-13 02:38:24,972 INFO L226 Difference]: Without dead ends: 1715 [2021-11-13 02:38:24,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:38:24,975 INFO L933 BasicCegarLoop]: 2301 mSDtfsCounter, 2229 mSDsluCounter, 4598 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2230 SdHoareTripleChecker+Valid, 6899 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.84ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.95ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:24,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2230 Valid, 6899 Invalid, 2 Unknown, 0 Unchecked, 15.84ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.95ms Time] [2021-11-13 02:38:24,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2021-11-13 02:38:25,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1715. [2021-11-13 02:38:25,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1715 states, 1245 states have (on average 1.306024096385542) internal successors, (1626), 1285 states have internal predecessors, (1626), 339 states have call successors, (339), 108 states have call predecessors, (339), 107 states have return successors, (338), 331 states have call predecessors, (338), 338 states have call successors, (338) [2021-11-13 02:38:25,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2303 transitions. [2021-11-13 02:38:25,225 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2303 transitions. Word has length 87 [2021-11-13 02:38:25,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:25,226 INFO L470 AbstractCegarLoop]: Abstraction has 1715 states and 2303 transitions. [2021-11-13 02:38:25,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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) [2021-11-13 02:38:25,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2303 transitions. [2021-11-13 02:38:25,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-13 02:38:25,230 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:25,230 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:25,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-13 02:38:25,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:25,451 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:38:25,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:25,452 INFO L85 PathProgramCache]: Analyzing trace with hash -986830298, now seen corresponding path program 1 times [2021-11-13 02:38:25,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:25,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696380161] [2021-11-13 02:38:25,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:25,455 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:25,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:25,456 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:25,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-13 02:38:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:27,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 1973 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:38:27,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:28,444 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:28,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:28,882 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:28,883 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:28,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1696380161] [2021-11-13 02:38:28,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1696380161] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:38:28,883 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:38:28,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:38:28,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121250297] [2021-11-13 02:38:28,883 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:28,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:38:28,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:28,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:38:28,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:38:28,885 INFO L87 Difference]: Start difference. First operand 1715 states and 2303 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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) [2021-11-13 02:38:29,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:29,051 INFO L93 Difference]: Finished difference Result 1715 states and 2303 transitions. [2021-11-13 02:38:29,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:38:29,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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 93 [2021-11-13 02:38:29,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:29,064 INFO L225 Difference]: With dead ends: 1715 [2021-11-13 02:38:29,064 INFO L226 Difference]: Without dead ends: 1713 [2021-11-13 02:38:29,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:38:29,066 INFO L933 BasicCegarLoop]: 2299 mSDtfsCounter, 2224 mSDsluCounter, 2297 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2225 SdHoareTripleChecker+Valid, 4596 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.81ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.37ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:29,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2225 Valid, 4596 Invalid, 2 Unknown, 0 Unchecked, 10.81ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.37ms Time] [2021-11-13 02:38:29,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2021-11-13 02:38:29,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1713. [2021-11-13 02:38:29,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1713 states, 1244 states have (on average 1.3054662379421222) internal successors, (1624), 1283 states have internal predecessors, (1624), 339 states have call successors, (339), 108 states have call predecessors, (339), 107 states have return successors, (338), 331 states have call predecessors, (338), 338 states have call successors, (338) [2021-11-13 02:38:29,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2301 transitions. [2021-11-13 02:38:29,206 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2301 transitions. Word has length 93 [2021-11-13 02:38:29,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:29,207 INFO L470 AbstractCegarLoop]: Abstraction has 1713 states and 2301 transitions. [2021-11-13 02:38:29,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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) [2021-11-13 02:38:29,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2301 transitions. [2021-11-13 02:38:29,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-13 02:38:29,209 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:29,209 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:29,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-13 02:38:29,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:29,431 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:38:29,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:29,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1069173920, now seen corresponding path program 1 times [2021-11-13 02:38:29,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:29,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [496226398] [2021-11-13 02:38:29,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:29,435 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:29,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:29,436 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:29,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-13 02:38:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:31,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 1982 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:38:31,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:32,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:32,853 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:32,853 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:32,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [496226398] [2021-11-13 02:38:32,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [496226398] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:38:32,854 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:38:32,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:38:32,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835708420] [2021-11-13 02:38:32,854 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:32,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:38:32,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:32,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:38:32,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:38:32,856 INFO L87 Difference]: Start difference. First operand 1713 states and 2301 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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) [2021-11-13 02:38:33,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:33,041 INFO L93 Difference]: Finished difference Result 1713 states and 2301 transitions. [2021-11-13 02:38:33,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:38:33,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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 99 [2021-11-13 02:38:33,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:33,054 INFO L225 Difference]: With dead ends: 1713 [2021-11-13 02:38:33,054 INFO L226 Difference]: Without dead ends: 1711 [2021-11-13 02:38:33,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:38:33,057 INFO L933 BasicCegarLoop]: 2297 mSDtfsCounter, 2224 mSDsluCounter, 2291 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2225 SdHoareTripleChecker+Valid, 4588 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.92ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.36ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:33,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2225 Valid, 4588 Invalid, 2 Unknown, 0 Unchecked, 10.92ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.36ms Time] [2021-11-13 02:38:33,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2021-11-13 02:38:33,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1711. [2021-11-13 02:38:33,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1711 states, 1243 states have (on average 1.3049074818986324) internal successors, (1622), 1281 states have internal predecessors, (1622), 339 states have call successors, (339), 108 states have call predecessors, (339), 107 states have return successors, (338), 331 states have call predecessors, (338), 338 states have call successors, (338) [2021-11-13 02:38:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1711 states and 2299 transitions. [2021-11-13 02:38:33,205 INFO L78 Accepts]: Start accepts. Automaton has 1711 states and 2299 transitions. Word has length 99 [2021-11-13 02:38:33,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:33,206 INFO L470 AbstractCegarLoop]: Abstraction has 1711 states and 2299 transitions. [2021-11-13 02:38:33,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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) [2021-11-13 02:38:33,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 2299 transitions. [2021-11-13 02:38:33,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-13 02:38:33,208 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:33,208 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:33,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-13 02:38:33,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:33,431 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:38:33,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:33,432 INFO L85 PathProgramCache]: Analyzing trace with hash 979112419, now seen corresponding path program 1 times [2021-11-13 02:38:33,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:33,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1167389205] [2021-11-13 02:38:33,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:33,435 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:33,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:33,436 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:33,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-13 02:38:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:35,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 1985 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:38:35,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:36,465 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:36,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:36,957 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:36,957 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:36,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1167389205] [2021-11-13 02:38:36,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1167389205] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:38:36,957 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:38:36,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:38:36,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966871994] [2021-11-13 02:38:36,958 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:36,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:38:36,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:36,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:38:36,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:38:36,959 INFO L87 Difference]: Start difference. First operand 1711 states and 2299 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-13 02:38:37,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:37,139 INFO L93 Difference]: Finished difference Result 1711 states and 2299 transitions. [2021-11-13 02:38:37,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:38:37,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 101 [2021-11-13 02:38:37,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:37,154 INFO L225 Difference]: With dead ends: 1711 [2021-11-13 02:38:37,154 INFO L226 Difference]: Without dead ends: 1709 [2021-11-13 02:38:37,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:38:37,157 INFO L933 BasicCegarLoop]: 2295 mSDtfsCounter, 2212 mSDsluCounter, 2293 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2213 SdHoareTripleChecker+Valid, 4588 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.81ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.83ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:37,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2213 Valid, 4588 Invalid, 2 Unknown, 0 Unchecked, 10.81ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.83ms Time] [2021-11-13 02:38:37,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2021-11-13 02:38:37,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1709. [2021-11-13 02:38:37,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1709 states, 1242 states have (on average 1.3043478260869565) internal successors, (1620), 1279 states have internal predecessors, (1620), 339 states have call successors, (339), 108 states have call predecessors, (339), 107 states have return successors, (338), 331 states have call predecessors, (338), 338 states have call successors, (338) [2021-11-13 02:38:37,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 2297 transitions. [2021-11-13 02:38:37,411 INFO L78 Accepts]: Start accepts. Automaton has 1709 states and 2297 transitions. Word has length 101 [2021-11-13 02:38:37,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:37,412 INFO L470 AbstractCegarLoop]: Abstraction has 1709 states and 2297 transitions. [2021-11-13 02:38:37,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-13 02:38:37,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2297 transitions. [2021-11-13 02:38:37,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-13 02:38:37,414 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:37,415 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:37,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-13 02:38:37,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:37,639 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:38:37,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:37,640 INFO L85 PathProgramCache]: Analyzing trace with hash 896088472, now seen corresponding path program 1 times [2021-11-13 02:38:37,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:37,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039818643] [2021-11-13 02:38:37,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:37,642 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:37,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:37,643 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:37,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-13 02:38:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:39,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 1994 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:38:39,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:40,700 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:40,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:41,197 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:41,197 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:41,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039818643] [2021-11-13 02:38:41,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2039818643] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:38:41,198 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:38:41,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:38:41,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775222984] [2021-11-13 02:38:41,198 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:41,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:38:41,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:41,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:38:41,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:38:41,200 INFO L87 Difference]: Start difference. First operand 1709 states and 2297 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-13 02:38:41,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:41,685 INFO L93 Difference]: Finished difference Result 3353 states and 4540 transitions. [2021-11-13 02:38:41,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 02:38:41,686 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 107 [2021-11-13 02:38:41,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:41,717 INFO L225 Difference]: With dead ends: 3353 [2021-11-13 02:38:41,717 INFO L226 Difference]: Without dead ends: 3351 [2021-11-13 02:38:41,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:38:41,721 INFO L933 BasicCegarLoop]: 4244 mSDtfsCounter, 2201 mSDsluCounter, 10723 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 93.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2202 SdHoareTripleChecker+Valid, 14967 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 50.65ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 102.07ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:41,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2202 Valid, 14967 Invalid, 21 Unknown, 0 Unchecked, 50.65ms Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 102.07ms Time] [2021-11-13 02:38:41,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3351 states. [2021-11-13 02:38:42,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3351 to 3246. [2021-11-13 02:38:42,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3246 states, 2382 states have (on average 1.3119227539882452) internal successors, (3125), 2437 states have internal predecessors, (3125), 641 states have call successors, (641), 203 states have call predecessors, (641), 202 states have return successors, (676), 625 states have call predecessors, (676), 640 states have call successors, (676) [2021-11-13 02:38:42,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3246 states to 3246 states and 4442 transitions. [2021-11-13 02:38:42,199 INFO L78 Accepts]: Start accepts. Automaton has 3246 states and 4442 transitions. Word has length 107 [2021-11-13 02:38:42,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:42,199 INFO L470 AbstractCegarLoop]: Abstraction has 3246 states and 4442 transitions. [2021-11-13 02:38:42,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-13 02:38:42,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3246 states and 4442 transitions. [2021-11-13 02:38:42,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-13 02:38:42,201 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:42,202 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:42,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-13 02:38:42,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:42,415 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:38:42,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:42,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1704900723, now seen corresponding path program 1 times [2021-11-13 02:38:42,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:42,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512615325] [2021-11-13 02:38:42,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:42,424 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:42,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:42,427 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:42,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-13 02:38:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:44,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 2003 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:38:44,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:45,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:46,110 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:46,110 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:46,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1512615325] [2021-11-13 02:38:46,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1512615325] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:38:46,111 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:38:46,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:38:46,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198638855] [2021-11-13 02:38:46,112 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:46,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:38:46,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:46,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:38:46,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:38:46,114 INFO L87 Difference]: Start difference. First operand 3246 states and 4442 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 5 states have internal predecessors, (122), 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) [2021-11-13 02:38:46,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:46,485 INFO L93 Difference]: Finished difference Result 3246 states and 4442 transitions. [2021-11-13 02:38:46,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:38:46,486 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 5 states have internal predecessors, (122), 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 113 [2021-11-13 02:38:46,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:46,510 INFO L225 Difference]: With dead ends: 3246 [2021-11-13 02:38:46,510 INFO L226 Difference]: Without dead ends: 3244 [2021-11-13 02:38:46,512 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:38:46,513 INFO L933 BasicCegarLoop]: 2293 mSDtfsCounter, 2195 mSDsluCounter, 4582 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2196 SdHoareTripleChecker+Valid, 6875 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.23ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.57ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:46,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2196 Valid, 6875 Invalid, 2 Unknown, 0 Unchecked, 13.23ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.57ms Time] [2021-11-13 02:38:46,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3244 states. [2021-11-13 02:38:46,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3244 to 3244. [2021-11-13 02:38:46,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3244 states, 2381 states have (on average 1.3116337673246534) internal successors, (3123), 2435 states have internal predecessors, (3123), 641 states have call successors, (641), 203 states have call predecessors, (641), 202 states have return successors, (676), 625 states have call predecessors, (676), 640 states have call successors, (676) [2021-11-13 02:38:46,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 3244 states and 4440 transitions. [2021-11-13 02:38:46,846 INFO L78 Accepts]: Start accepts. Automaton has 3244 states and 4440 transitions. Word has length 113 [2021-11-13 02:38:46,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:46,849 INFO L470 AbstractCegarLoop]: Abstraction has 3244 states and 4440 transitions. [2021-11-13 02:38:46,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 5 states have internal predecessors, (122), 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) [2021-11-13 02:38:46,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3244 states and 4440 transitions. [2021-11-13 02:38:46,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 02:38:46,853 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:46,853 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:46,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-13 02:38:47,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:47,075 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:38:47,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:47,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1194725066, now seen corresponding path program 1 times [2021-11-13 02:38:47,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:47,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899028423] [2021-11-13 02:38:47,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:47,079 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:47,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:47,082 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:47,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-13 02:38:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:49,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 2012 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:38:49,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:50,180 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:50,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:50,689 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:50,689 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:50,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899028423] [2021-11-13 02:38:50,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [899028423] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:38:50,689 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:38:50,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:38:50,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267472102] [2021-11-13 02:38:50,690 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:50,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:38:50,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:50,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:38:50,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:38:50,691 INFO L87 Difference]: Start difference. First operand 3244 states and 4440 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 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) [2021-11-13 02:38:51,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:51,122 INFO L93 Difference]: Finished difference Result 3244 states and 4440 transitions. [2021-11-13 02:38:51,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:38:51,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 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 119 [2021-11-13 02:38:51,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:51,175 INFO L225 Difference]: With dead ends: 3244 [2021-11-13 02:38:51,176 INFO L226 Difference]: Without dead ends: 3242 [2021-11-13 02:38:51,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:38:51,179 INFO L933 BasicCegarLoop]: 2291 mSDtfsCounter, 2187 mSDsluCounter, 4578 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2188 SdHoareTripleChecker+Valid, 6869 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.61ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.20ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:51,179 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2188 Valid, 6869 Invalid, 2 Unknown, 0 Unchecked, 13.61ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.20ms Time] [2021-11-13 02:38:51,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3242 states. [2021-11-13 02:38:51,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3242 to 3242. [2021-11-13 02:38:51,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3242 states, 2380 states have (on average 1.311344537815126) internal successors, (3121), 2433 states have internal predecessors, (3121), 641 states have call successors, (641), 203 states have call predecessors, (641), 202 states have return successors, (676), 625 states have call predecessors, (676), 640 states have call successors, (676) [2021-11-13 02:38:51,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 3242 states and 4438 transitions. [2021-11-13 02:38:51,496 INFO L78 Accepts]: Start accepts. Automaton has 3242 states and 4438 transitions. Word has length 119 [2021-11-13 02:38:51,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:51,497 INFO L470 AbstractCegarLoop]: Abstraction has 3242 states and 4438 transitions. [2021-11-13 02:38:51,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 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) [2021-11-13 02:38:51,497 INFO L276 IsEmpty]: Start isEmpty. Operand 3242 states and 4438 transitions. [2021-11-13 02:38:51,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-13 02:38:51,499 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:51,499 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:51,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-13 02:38:51,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:51,727 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:38:51,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:51,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1961870651, now seen corresponding path program 1 times [2021-11-13 02:38:51,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:51,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947382030] [2021-11-13 02:38:51,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:51,730 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:51,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:51,731 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:51,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-13 02:38:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:53,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 2021 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:38:53,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:54,972 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:54,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:55,504 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:55,504 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:55,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947382030] [2021-11-13 02:38:55,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947382030] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:38:55,505 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:38:55,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:38:55,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096202942] [2021-11-13 02:38:55,505 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:55,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:38:55,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:55,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:38:55,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:38:55,507 INFO L87 Difference]: Start difference. First operand 3242 states and 4438 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 5 states have internal predecessors, (138), 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) [2021-11-13 02:38:55,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:55,892 INFO L93 Difference]: Finished difference Result 3242 states and 4438 transitions. [2021-11-13 02:38:55,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:38:55,893 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 5 states have internal predecessors, (138), 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 125 [2021-11-13 02:38:55,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:55,908 INFO L225 Difference]: With dead ends: 3242 [2021-11-13 02:38:55,908 INFO L226 Difference]: Without dead ends: 3240 [2021-11-13 02:38:55,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:38:55,911 INFO L933 BasicCegarLoop]: 2289 mSDtfsCounter, 2182 mSDsluCounter, 2287 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2183 SdHoareTripleChecker+Valid, 4576 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.38ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.70ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:55,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2183 Valid, 4576 Invalid, 2 Unknown, 0 Unchecked, 10.38ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.70ms Time] [2021-11-13 02:38:55,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3240 states. [2021-11-13 02:38:56,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3240 to 3240. [2021-11-13 02:38:56,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3240 states, 2379 states have (on average 1.3110550651534258) internal successors, (3119), 2431 states have internal predecessors, (3119), 641 states have call successors, (641), 203 states have call predecessors, (641), 202 states have return successors, (676), 625 states have call predecessors, (676), 640 states have call successors, (676) [2021-11-13 02:38:56,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3240 states to 3240 states and 4436 transitions. [2021-11-13 02:38:56,219 INFO L78 Accepts]: Start accepts. Automaton has 3240 states and 4436 transitions. Word has length 125 [2021-11-13 02:38:56,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:56,220 INFO L470 AbstractCegarLoop]: Abstraction has 3240 states and 4436 transitions. [2021-11-13 02:38:56,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 5 states have internal predecessors, (138), 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) [2021-11-13 02:38:56,220 INFO L276 IsEmpty]: Start isEmpty. Operand 3240 states and 4436 transitions. [2021-11-13 02:38:56,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-13 02:38:56,222 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:56,223 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:56,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-13 02:38:56,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:56,447 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:38:56,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:56,448 INFO L85 PathProgramCache]: Analyzing trace with hash -2145103020, now seen corresponding path program 1 times [2021-11-13 02:38:56,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:56,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2042721709] [2021-11-13 02:38:56,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:56,451 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:56,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:56,452 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:56,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-13 02:38:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:58,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 2030 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:38:58,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:59,655 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:38:59,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:00,265 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:39:00,265 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:39:00,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2042721709] [2021-11-13 02:39:00,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2042721709] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:00,266 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:00,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:39:00,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278350956] [2021-11-13 02:39:00,266 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:00,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:39:00,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:39:00,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:39:00,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:39:00,269 INFO L87 Difference]: Start difference. First operand 3240 states and 4436 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 5 states have internal predecessors, (146), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-13 02:39:00,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:00,611 INFO L93 Difference]: Finished difference Result 3240 states and 4436 transitions. [2021-11-13 02:39:00,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:39:00,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 5 states have internal predecessors, (146), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 131 [2021-11-13 02:39:00,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:00,628 INFO L225 Difference]: With dead ends: 3240 [2021-11-13 02:39:00,628 INFO L226 Difference]: Without dead ends: 3238 [2021-11-13 02:39:00,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:39:00,632 INFO L933 BasicCegarLoop]: 2287 mSDtfsCounter, 2174 mSDsluCounter, 2285 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2175 SdHoareTripleChecker+Valid, 4572 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.39ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.82ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:00,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2175 Valid, 4572 Invalid, 2 Unknown, 0 Unchecked, 7.39ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.82ms Time] [2021-11-13 02:39:00,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3238 states. [2021-11-13 02:39:01,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3238 to 3238. [2021-11-13 02:39:01,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3238 states, 2378 states have (on average 1.3107653490328006) internal successors, (3117), 2429 states have internal predecessors, (3117), 641 states have call successors, (641), 203 states have call predecessors, (641), 202 states have return successors, (676), 625 states have call predecessors, (676), 640 states have call successors, (676) [2021-11-13 02:39:01,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 3238 states and 4434 transitions. [2021-11-13 02:39:01,027 INFO L78 Accepts]: Start accepts. Automaton has 3238 states and 4434 transitions. Word has length 131 [2021-11-13 02:39:01,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:01,028 INFO L470 AbstractCegarLoop]: Abstraction has 3238 states and 4434 transitions. [2021-11-13 02:39:01,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 5 states have internal predecessors, (146), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-13 02:39:01,028 INFO L276 IsEmpty]: Start isEmpty. Operand 3238 states and 4434 transitions. [2021-11-13 02:39:01,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 02:39:01,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:01,038 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:01,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-13 02:39:01,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:39:01,251 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:39:01,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:01,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1763577865, now seen corresponding path program 1 times [2021-11-13 02:39:01,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:39:01,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288167183] [2021-11-13 02:39:01,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:01,255 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:39:01,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:39:01,256 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:39:01,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-13 02:39:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:03,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:39:03,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:04,780 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:39:04,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:05,952 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:39:05,952 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:39:05,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [288167183] [2021-11-13 02:39:05,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [288167183] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:05,953 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:05,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-13 02:39:05,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147175383] [2021-11-13 02:39:05,953 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:05,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:39:05,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:39:05,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:39:05,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:39:05,955 INFO L87 Difference]: Start difference. First operand 3238 states and 4434 transitions. Second operand has 6 states, 6 states have (on average 28.5) internal successors, (171), 6 states have internal predecessors, (171), 3 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-11-13 02:39:06,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:06,365 INFO L93 Difference]: Finished difference Result 3238 states and 4434 transitions. [2021-11-13 02:39:06,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:39:06,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.5) internal successors, (171), 6 states have internal predecessors, (171), 3 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 137 [2021-11-13 02:39:06,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:06,382 INFO L225 Difference]: With dead ends: 3238 [2021-11-13 02:39:06,383 INFO L226 Difference]: Without dead ends: 3236 [2021-11-13 02:39:06,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:39:06,387 INFO L933 BasicCegarLoop]: 2285 mSDtfsCounter, 2229 mSDsluCounter, 4566 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2230 SdHoareTripleChecker+Valid, 6851 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.24ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.84ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:06,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2230 Valid, 6851 Invalid, 24 Unknown, 0 Unchecked, 13.24ms Time], IncrementalHoareTripleChecker [22 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 31.84ms Time] [2021-11-13 02:39:06,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3236 states. [2021-11-13 02:39:06,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3236 to 3236. [2021-11-13 02:39:06,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3236 states, 2377 states have (on average 1.3104753891459824) internal successors, (3115), 2427 states have internal predecessors, (3115), 641 states have call successors, (641), 203 states have call predecessors, (641), 202 states have return successors, (676), 625 states have call predecessors, (676), 640 states have call successors, (676) [2021-11-13 02:39:06,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 3236 states and 4432 transitions. [2021-11-13 02:39:06,818 INFO L78 Accepts]: Start accepts. Automaton has 3236 states and 4432 transitions. Word has length 137 [2021-11-13 02:39:06,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:06,819 INFO L470 AbstractCegarLoop]: Abstraction has 3236 states and 4432 transitions. [2021-11-13 02:39:06,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.5) internal successors, (171), 6 states have internal predecessors, (171), 3 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-11-13 02:39:06,819 INFO L276 IsEmpty]: Start isEmpty. Operand 3236 states and 4432 transitions. [2021-11-13 02:39:06,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-13 02:39:06,821 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:06,821 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:06,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-13 02:39:07,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:39:07,047 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:39:07,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:07,048 INFO L85 PathProgramCache]: Analyzing trace with hash -366916393, now seen corresponding path program 1 times [2021-11-13 02:39:07,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:39:07,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232905176] [2021-11-13 02:39:07,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:07,053 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:39:07,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:39:07,054 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:39:07,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-13 02:39:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:09,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 2048 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:39:09,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:10,526 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:39:10,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:11,167 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:39:11,167 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:39:11,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232905176] [2021-11-13 02:39:11,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232905176] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:11,167 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:11,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:39:11,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863191073] [2021-11-13 02:39:11,168 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:11,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:39:11,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:39:11,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:39:11,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:39:11,170 INFO L87 Difference]: Start difference. First operand 3236 states and 4432 transitions. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-13 02:39:11,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:11,547 INFO L93 Difference]: Finished difference Result 3236 states and 4432 transitions. [2021-11-13 02:39:11,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:39:11,550 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 143 [2021-11-13 02:39:11,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:11,563 INFO L225 Difference]: With dead ends: 3236 [2021-11-13 02:39:11,563 INFO L226 Difference]: Without dead ends: 3234 [2021-11-13 02:39:11,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 280 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:39:11,566 INFO L933 BasicCegarLoop]: 2283 mSDtfsCounter, 2155 mSDsluCounter, 4562 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2156 SdHoareTripleChecker+Valid, 6845 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.44ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.90ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:11,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2156 Valid, 6845 Invalid, 2 Unknown, 0 Unchecked, 11.44ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.90ms Time] [2021-11-13 02:39:11,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3234 states. [2021-11-13 02:39:12,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3234 to 3234. [2021-11-13 02:39:12,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3234 states, 2376 states have (on average 1.3101851851851851) internal successors, (3113), 2425 states have internal predecessors, (3113), 641 states have call successors, (641), 203 states have call predecessors, (641), 202 states have return successors, (676), 625 states have call predecessors, (676), 640 states have call successors, (676) [2021-11-13 02:39:12,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 3234 states and 4430 transitions. [2021-11-13 02:39:12,091 INFO L78 Accepts]: Start accepts. Automaton has 3234 states and 4430 transitions. Word has length 143 [2021-11-13 02:39:12,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:12,092 INFO L470 AbstractCegarLoop]: Abstraction has 3234 states and 4430 transitions. [2021-11-13 02:39:12,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-13 02:39:12,093 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 4430 transitions. [2021-11-13 02:39:12,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 02:39:12,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:12,095 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:12,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-13 02:39:12,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:39:12,312 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:39:12,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:12,312 INFO L85 PathProgramCache]: Analyzing trace with hash 993161319, now seen corresponding path program 1 times [2021-11-13 02:39:12,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:39:12,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2077885768] [2021-11-13 02:39:12,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:12,317 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:39:12,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:39:12,318 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:39:12,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-13 02:39:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:14,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 2057 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:39:14,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:16,189 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:39:16,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:16,780 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:39:16,780 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:39:16,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2077885768] [2021-11-13 02:39:16,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2077885768] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:16,781 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:16,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:39:16,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235576337] [2021-11-13 02:39:16,781 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:16,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:39:16,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:39:16,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:39:16,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:39:16,783 INFO L87 Difference]: Start difference. First operand 3234 states and 4430 transitions. Second operand has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-13 02:39:17,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:17,122 INFO L93 Difference]: Finished difference Result 3234 states and 4430 transitions. [2021-11-13 02:39:17,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:39:17,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 149 [2021-11-13 02:39:17,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:17,134 INFO L225 Difference]: With dead ends: 3234 [2021-11-13 02:39:17,134 INFO L226 Difference]: Without dead ends: 3232 [2021-11-13 02:39:17,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:39:17,137 INFO L933 BasicCegarLoop]: 2281 mSDtfsCounter, 2150 mSDsluCounter, 2279 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2151 SdHoareTripleChecker+Valid, 4560 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.23ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.93ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:17,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2151 Valid, 4560 Invalid, 2 Unknown, 0 Unchecked, 7.23ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.93ms Time] [2021-11-13 02:39:17,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3232 states. [2021-11-13 02:39:17,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3232 to 3232. [2021-11-13 02:39:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3232 states, 2375 states have (on average 1.3098947368421052) internal successors, (3111), 2423 states have internal predecessors, (3111), 641 states have call successors, (641), 203 states have call predecessors, (641), 202 states have return successors, (676), 625 states have call predecessors, (676), 640 states have call successors, (676) [2021-11-13 02:39:17,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3232 states to 3232 states and 4428 transitions. [2021-11-13 02:39:17,562 INFO L78 Accepts]: Start accepts. Automaton has 3232 states and 4428 transitions. Word has length 149 [2021-11-13 02:39:17,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:17,562 INFO L470 AbstractCegarLoop]: Abstraction has 3232 states and 4428 transitions. [2021-11-13 02:39:17,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-13 02:39:17,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3232 states and 4428 transitions. [2021-11-13 02:39:17,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-13 02:39:17,564 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:17,565 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:17,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-13 02:39:17,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:39:17,792 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:39:17,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:17,792 INFO L85 PathProgramCache]: Analyzing trace with hash 735513196, now seen corresponding path program 1 times [2021-11-13 02:39:17,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:39:17,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1553734958] [2021-11-13 02:39:17,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:17,796 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:39:17,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:39:17,798 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:39:17,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-13 02:39:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:20,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 2066 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:39:20,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:21,424 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:39:21,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:22,131 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:39:22,131 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:39:22,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1553734958] [2021-11-13 02:39:22,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1553734958] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:22,132 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:22,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:39:22,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454738417] [2021-11-13 02:39:22,132 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:22,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:39:22,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:39:22,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:39:22,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:39:22,134 INFO L87 Difference]: Start difference. First operand 3232 states and 4428 transitions. Second operand has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-13 02:39:22,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:22,628 INFO L93 Difference]: Finished difference Result 3232 states and 4428 transitions. [2021-11-13 02:39:22,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:39:22,628 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 155 [2021-11-13 02:39:22,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:22,643 INFO L225 Difference]: With dead ends: 3232 [2021-11-13 02:39:22,643 INFO L226 Difference]: Without dead ends: 3230 [2021-11-13 02:39:22,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:39:22,647 INFO L933 BasicCegarLoop]: 2279 mSDtfsCounter, 2142 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 4556 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.38ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.30ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:22,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2143 Valid, 4556 Invalid, 2 Unknown, 0 Unchecked, 10.38ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.30ms Time] [2021-11-13 02:39:22,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3230 states. [2021-11-13 02:39:22,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3230 to 3230. [2021-11-13 02:39:22,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3230 states, 2374 states have (on average 1.309604043807919) internal successors, (3109), 2421 states have internal predecessors, (3109), 641 states have call successors, (641), 203 states have call predecessors, (641), 202 states have return successors, (676), 625 states have call predecessors, (676), 640 states have call successors, (676) [2021-11-13 02:39:22,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3230 states to 3230 states and 4426 transitions. [2021-11-13 02:39:22,911 INFO L78 Accepts]: Start accepts. Automaton has 3230 states and 4426 transitions. Word has length 155 [2021-11-13 02:39:22,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:22,912 INFO L470 AbstractCegarLoop]: Abstraction has 3230 states and 4426 transitions. [2021-11-13 02:39:22,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 5 states have internal predecessors, (178), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-13 02:39:22,912 INFO L276 IsEmpty]: Start isEmpty. Operand 3230 states and 4426 transitions. [2021-11-13 02:39:22,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-13 02:39:22,914 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:22,914 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:22,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-13 02:39:23,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:39:23,127 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:39:23,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:23,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1828754536, now seen corresponding path program 1 times [2021-11-13 02:39:23,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:39:23,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1592598975] [2021-11-13 02:39:23,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:23,131 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:39:23,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:39:23,134 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:39:23,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-13 02:39:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:25,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 2075 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:39:25,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:26,847 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:39:26,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:27,492 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:39:27,493 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:39:27,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1592598975] [2021-11-13 02:39:27,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1592598975] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:27,493 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:27,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:39:27,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865113148] [2021-11-13 02:39:27,493 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:27,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:39:27,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:39:27,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:39:27,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:39:27,495 INFO L87 Difference]: Start difference. First operand 3230 states and 4426 transitions. Second operand has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-13 02:39:28,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:28,202 INFO L93 Difference]: Finished difference Result 6395 states and 8888 transitions. [2021-11-13 02:39:28,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 02:39:28,203 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 161 [2021-11-13 02:39:28,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:28,242 INFO L225 Difference]: With dead ends: 6395 [2021-11-13 02:39:28,242 INFO L226 Difference]: Without dead ends: 6393 [2021-11-13 02:39:28,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:39:28,248 INFO L933 BasicCegarLoop]: 2744 mSDtfsCounter, 2131 mSDsluCounter, 7718 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2132 SdHoareTripleChecker+Valid, 10462 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.51ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.66ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:28,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2132 Valid, 10462 Invalid, 22 Unknown, 0 Unchecked, 17.51ms Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 92.66ms Time] [2021-11-13 02:39:28,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6393 states. [2021-11-13 02:39:29,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6393 to 6356. [2021-11-13 02:39:29,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6356 states, 4688 states have (on average 1.3125) internal successors, (6153), 4771 states have internal predecessors, (6153), 1254 states have call successors, (1254), 402 states have call predecessors, (1254), 401 states have return successors, (1451), 1222 states have call predecessors, (1451), 1253 states have call successors, (1451) [2021-11-13 02:39:29,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6356 states to 6356 states and 8858 transitions. [2021-11-13 02:39:29,069 INFO L78 Accepts]: Start accepts. Automaton has 6356 states and 8858 transitions. Word has length 161 [2021-11-13 02:39:29,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:29,070 INFO L470 AbstractCegarLoop]: Abstraction has 6356 states and 8858 transitions. [2021-11-13 02:39:29,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-13 02:39:29,071 INFO L276 IsEmpty]: Start isEmpty. Operand 6356 states and 8858 transitions. [2021-11-13 02:39:29,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-13 02:39:29,072 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:29,073 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:29,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-13 02:39:29,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:39:29,288 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:39:29,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:29,288 INFO L85 PathProgramCache]: Analyzing trace with hash 925104613, now seen corresponding path program 1 times [2021-11-13 02:39:29,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:39:29,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1894259351] [2021-11-13 02:39:29,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:29,292 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:39:29,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:39:29,294 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:39:29,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-13 02:39:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:31,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 2084 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:39:31,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:33,403 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:39:33,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:34,040 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:39:34,041 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:39:34,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1894259351] [2021-11-13 02:39:34,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1894259351] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:34,041 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:34,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:39:34,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826482378] [2021-11-13 02:39:34,042 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:34,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:39:34,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:39:34,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:39:34,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:39:34,043 INFO L87 Difference]: Start difference. First operand 6356 states and 8858 transitions. Second operand has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-13 02:39:34,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:34,706 INFO L93 Difference]: Finished difference Result 6356 states and 8858 transitions. [2021-11-13 02:39:34,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:39:34,707 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 167 [2021-11-13 02:39:34,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:34,741 INFO L225 Difference]: With dead ends: 6356 [2021-11-13 02:39:34,741 INFO L226 Difference]: Without dead ends: 6354 [2021-11-13 02:39:34,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:39:34,747 INFO L933 BasicCegarLoop]: 2277 mSDtfsCounter, 2128 mSDsluCounter, 2275 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2129 SdHoareTripleChecker+Valid, 4552 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.47ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.67ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:34,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2129 Valid, 4552 Invalid, 2 Unknown, 0 Unchecked, 10.47ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.67ms Time] [2021-11-13 02:39:34,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6354 states. [2021-11-13 02:39:35,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6354 to 6354. [2021-11-13 02:39:35,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6354 states, 4687 states have (on average 1.31235331768722) internal successors, (6151), 4769 states have internal predecessors, (6151), 1254 states have call successors, (1254), 402 states have call predecessors, (1254), 401 states have return successors, (1451), 1222 states have call predecessors, (1451), 1253 states have call successors, (1451) [2021-11-13 02:39:35,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6354 states to 6354 states and 8856 transitions. [2021-11-13 02:39:35,729 INFO L78 Accepts]: Start accepts. Automaton has 6354 states and 8856 transitions. Word has length 167 [2021-11-13 02:39:35,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:35,730 INFO L470 AbstractCegarLoop]: Abstraction has 6354 states and 8856 transitions. [2021-11-13 02:39:35,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-13 02:39:35,731 INFO L276 IsEmpty]: Start isEmpty. Operand 6354 states and 8856 transitions. [2021-11-13 02:39:35,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-13 02:39:35,735 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:35,735 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:35,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-13 02:39:35,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:39:35,952 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:39:35,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:35,952 INFO L85 PathProgramCache]: Analyzing trace with hash 822802491, now seen corresponding path program 1 times [2021-11-13 02:39:35,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:39:35,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1686187477] [2021-11-13 02:39:35,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:35,956 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:39:35,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:39:35,958 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:39:35,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-13 02:39:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:38,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 2093 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:39:38,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:40,050 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:39:40,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:40,763 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:39:40,763 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:39:40,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1686187477] [2021-11-13 02:39:40,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1686187477] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:40,764 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:40,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:39:40,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502143059] [2021-11-13 02:39:40,764 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:40,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:39:40,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:39:40,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:39:40,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:39:40,766 INFO L87 Difference]: Start difference. First operand 6354 states and 8856 transitions. Second operand has 5 states, 5 states have (on average 40.4) internal successors, (202), 5 states have internal predecessors, (202), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-13 02:39:42,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:42,207 INFO L93 Difference]: Finished difference Result 12643 states and 17990 transitions. [2021-11-13 02:39:42,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:39:42,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.4) internal successors, (202), 5 states have internal predecessors, (202), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 173 [2021-11-13 02:39:42,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:42,281 INFO L225 Difference]: With dead ends: 12643 [2021-11-13 02:39:42,281 INFO L226 Difference]: Without dead ends: 12476 [2021-11-13 02:39:42,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:39:42,294 INFO L933 BasicCegarLoop]: 2746 mSDtfsCounter, 2113 mSDsluCounter, 7722 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 103.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2113 SdHoareTripleChecker+Valid, 10468 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.57ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 108.44ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:42,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2113 Valid, 10468 Invalid, 19 Unknown, 0 Unchecked, 22.57ms Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 108.44ms Time] [2021-11-13 02:39:42,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12476 states. [2021-11-13 02:39:43,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12476 to 12446. [2021-11-13 02:39:43,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12446 states, 9215 states have (on average 1.3165491047205642) internal successors, (12132), 9366 states have internal predecessors, (12132), 2440 states have call successors, (2440), 782 states have call predecessors, (2440), 779 states have return successors, (3201), 2377 states have call predecessors, (3201), 2437 states have call successors, (3201) [2021-11-13 02:39:43,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12446 states to 12446 states and 17773 transitions. [2021-11-13 02:39:43,783 INFO L78 Accepts]: Start accepts. Automaton has 12446 states and 17773 transitions. Word has length 173 [2021-11-13 02:39:43,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:43,784 INFO L470 AbstractCegarLoop]: Abstraction has 12446 states and 17773 transitions. [2021-11-13 02:39:43,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.4) internal successors, (202), 5 states have internal predecessors, (202), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-13 02:39:43,784 INFO L276 IsEmpty]: Start isEmpty. Operand 12446 states and 17773 transitions. [2021-11-13 02:39:43,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2021-11-13 02:39:43,788 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:43,789 INFO L514 BasicCegarLoop]: trace histogram [41, 41, 41, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:43,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-13 02:39:43,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:39:43,990 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_kernel_module_module_putErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:39:43,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:43,990 INFO L85 PathProgramCache]: Analyzing trace with hash 2077871899, now seen corresponding path program 1 times [2021-11-13 02:39:43,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:39:43,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1375897321] [2021-11-13 02:39:43,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:43,994 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:39:43,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:39:43,995 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:39:43,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-13 02:39:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:47,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 2942 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 02:39:47,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:48,586 INFO L134 CoverageAnalysis]: Checked inductivity of 5179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5179 trivial. 0 not checked. [2021-11-13 02:39:48,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:49,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5179 trivial. 0 not checked. [2021-11-13 02:39:49,672 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:39:49,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1375897321] [2021-11-13 02:39:49,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1375897321] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:49,672 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:49,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-13 02:39:49,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009052057] [2021-11-13 02:39:49,673 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:49,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:39:49,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:39:49,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:39:49,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:39:49,676 INFO L87 Difference]: Start difference. First operand 12446 states and 17773 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2021-11-13 02:39:51,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:51,377 INFO L93 Difference]: Finished difference Result 24903 states and 36473 transitions. [2021-11-13 02:39:51,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:39:51,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 494 [2021-11-13 02:39:51,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:51,448 INFO L225 Difference]: With dead ends: 24903 [2021-11-13 02:39:51,449 INFO L226 Difference]: Without dead ends: 12522 [2021-11-13 02:39:51,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 988 GetRequests, 983 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:39:51,579 INFO L933 BasicCegarLoop]: 2277 mSDtfsCounter, 38 mSDsluCounter, 6837 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 9114 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.25ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.09ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:51,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 9114 Invalid, 18 Unknown, 0 Unchecked, 11.25ms Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 83.09ms Time] [2021-11-13 02:39:51,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12522 states. [2021-11-13 02:39:53,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12522 to 12458. [2021-11-13 02:39:53,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12458 states, 9227 states have (on average 1.3157039124309093) internal successors, (12140), 9378 states have internal predecessors, (12140), 2440 states have call successors, (2440), 782 states have call predecessors, (2440), 779 states have return successors, (3201), 2377 states have call predecessors, (3201), 2437 states have call successors, (3201) [2021-11-13 02:39:53,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12458 states to 12458 states and 17781 transitions. [2021-11-13 02:39:53,213 INFO L78 Accepts]: Start accepts. Automaton has 12458 states and 17781 transitions. Word has length 494 [2021-11-13 02:39:53,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:53,214 INFO L470 AbstractCegarLoop]: Abstraction has 12458 states and 17781 transitions. [2021-11-13 02:39:53,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2021-11-13 02:39:53,214 INFO L276 IsEmpty]: Start isEmpty. Operand 12458 states and 17781 transitions. [2021-11-13 02:39:53,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2021-11-13 02:39:53,217 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:53,218 INFO L514 BasicCegarLoop]: trace histogram [41, 41, 41, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:53,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-13 02:39:53,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:39:53,419 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_kernel_module_module_putErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:39:53,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:53,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1537037027, now seen corresponding path program 1 times [2021-11-13 02:39:53,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:39:53,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [155784879] [2021-11-13 02:39:53,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:53,423 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:39:53,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:39:53,424 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:39:53,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-13 02:39:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:57,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 2942 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:39:57,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:58,160 INFO L134 CoverageAnalysis]: Checked inductivity of 5179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5179 trivial. 0 not checked. [2021-11-13 02:39:58,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:59,169 INFO L134 CoverageAnalysis]: Checked inductivity of 5179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5179 trivial. 0 not checked. [2021-11-13 02:39:59,170 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:39:59,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [155784879] [2021-11-13 02:39:59,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [155784879] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:59,170 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:59,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:39:59,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420758613] [2021-11-13 02:39:59,171 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:59,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:39:59,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:39:59,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:39:59,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:39:59,173 INFO L87 Difference]: Start difference. First operand 12458 states and 17781 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2021-11-13 02:40:00,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:40:00,796 INFO L93 Difference]: Finished difference Result 24851 states and 36377 transitions. [2021-11-13 02:40:00,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:40:00,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 494 [2021-11-13 02:40:00,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:40:00,864 INFO L225 Difference]: With dead ends: 24851 [2021-11-13 02:40:00,865 INFO L226 Difference]: Without dead ends: 12458 [2021-11-13 02:40:00,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 986 GetRequests, 984 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:40:00,951 INFO L933 BasicCegarLoop]: 2277 mSDtfsCounter, 5 mSDsluCounter, 2274 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4551 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.77ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.20ms IncrementalHoareTripleChecker+Time [2021-11-13 02:40:00,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 4551 Invalid, 6 Unknown, 0 Unchecked, 5.77ms Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 21.20ms Time] [2021-11-13 02:40:00,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12458 states. [2021-11-13 02:40:02,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12458 to 12442. [2021-11-13 02:40:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12442 states, 9215 states have (on average 1.315246880086815) internal successors, (12120), 9366 states have internal predecessors, (12120), 2436 states have call successors, (2436), 782 states have call predecessors, (2436), 779 states have return successors, (3193), 2373 states have call predecessors, (3193), 2433 states have call successors, (3193) [2021-11-13 02:40:02,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12442 states to 12442 states and 17749 transitions. [2021-11-13 02:40:02,363 INFO L78 Accepts]: Start accepts. Automaton has 12442 states and 17749 transitions. Word has length 494 [2021-11-13 02:40:02,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:40:02,368 INFO L470 AbstractCegarLoop]: Abstraction has 12442 states and 17749 transitions. [2021-11-13 02:40:02,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2021-11-13 02:40:02,368 INFO L276 IsEmpty]: Start isEmpty. Operand 12442 states and 17749 transitions. [2021-11-13 02:40:02,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-11-13 02:40:02,373 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:40:02,373 INFO L514 BasicCegarLoop]: trace histogram [41, 41, 41, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:40:02,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-13 02:40:02,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:40:02,583 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_kernel_module_module_putErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:40:02,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:40:02,584 INFO L85 PathProgramCache]: Analyzing trace with hash 685270369, now seen corresponding path program 1 times [2021-11-13 02:40:02,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:40:02,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037455013] [2021-11-13 02:40:02,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:40:02,587 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:40:02,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:40:02,587 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:40:02,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-13 02:40:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:40:06,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 2952 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 02:40:06,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:40:10,745 INFO L134 CoverageAnalysis]: Checked inductivity of 5191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5191 trivial. 0 not checked. [2021-11-13 02:40:10,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:40:12,562 INFO L134 CoverageAnalysis]: Checked inductivity of 5191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5191 trivial. 0 not checked. [2021-11-13 02:40:12,562 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:40:12,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2037455013] [2021-11-13 02:40:12,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2037455013] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:40:12,563 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:40:12,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8 [2021-11-13 02:40:12,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337265554] [2021-11-13 02:40:12,564 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:40:12,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 02:40:12,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:40:12,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 02:40:12,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-13 02:40:12,566 INFO L87 Difference]: Start difference. First operand 12442 states and 17749 transitions. Second operand has 8 states, 8 states have (on average 20.375) internal successors, (163), 8 states have internal predecessors, (163), 5 states have call successors, (76), 5 states have call predecessors, (76), 2 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2021-11-13 02:40:14,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:40:47,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:40:47,890 INFO L93 Difference]: Finished difference Result 44171 states and 68426 transitions. [2021-11-13 02:40:47,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 02:40:47,891 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.375) internal successors, (163), 8 states have internal predecessors, (163), 5 states have call successors, (76), 5 states have call predecessors, (76), 2 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) Word has length 500 [2021-11-13 02:40:47,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:40:48,100 INFO L225 Difference]: With dead ends: 44171 [2021-11-13 02:40:48,101 INFO L226 Difference]: Without dead ends: 44169 [2021-11-13 02:40:48,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1007 GetRequests, 993 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-11-13 02:40:48,129 INFO L933 BasicCegarLoop]: 5866 mSDtfsCounter, 13620 mSDsluCounter, 21054 mSDsCounter, 0 mSdLazyCounter, 5351 mSolverCounterSat, 2057 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27744.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13620 SdHoareTripleChecker+Valid, 26920 SdHoareTripleChecker+Invalid, 7409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 122.73ms SdHoareTripleChecker+Time, 2057 IncrementalHoareTripleChecker+Valid, 5351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30176.48ms IncrementalHoareTripleChecker+Time [2021-11-13 02:40:48,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13620 Valid, 26920 Invalid, 7409 Unknown, 0 Unchecked, 122.73ms Time], IncrementalHoareTripleChecker [2057 Valid, 5351 Invalid, 1 Unknown, 0 Unchecked, 30176.48ms Time] [2021-11-13 02:40:48,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44169 states. [2021-11-13 02:40:52,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44169 to 41926. [2021-11-13 02:40:52,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41926 states, 31115 states have (on average 1.3265627510846858) internal successors, (41276), 31610 states have internal predecessors, (41276), 8288 states have call successors, (8288), 2502 states have call predecessors, (8288), 2511 states have return successors, (16635), 8093 states have call predecessors, (16635), 8285 states have call successors, (16635) [2021-11-13 02:40:52,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41926 states to 41926 states and 66199 transitions. [2021-11-13 02:40:52,933 INFO L78 Accepts]: Start accepts. Automaton has 41926 states and 66199 transitions. Word has length 500 [2021-11-13 02:40:52,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:40:52,934 INFO L470 AbstractCegarLoop]: Abstraction has 41926 states and 66199 transitions. [2021-11-13 02:40:52,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.375) internal successors, (163), 8 states have internal predecessors, (163), 5 states have call successors, (76), 5 states have call predecessors, (76), 2 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2021-11-13 02:40:52,934 INFO L276 IsEmpty]: Start isEmpty. Operand 41926 states and 66199 transitions. [2021-11-13 02:40:52,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2021-11-13 02:40:52,939 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:40:52,939 INFO L514 BasicCegarLoop]: trace histogram [43, 43, 43, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:40:52,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-13 02:40:53,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:40:53,142 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:40:53,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:40:53,143 INFO L85 PathProgramCache]: Analyzing trace with hash -193015781, now seen corresponding path program 1 times [2021-11-13 02:40:53,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:40:53,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805848833] [2021-11-13 02:40:53,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:40:53,145 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:40:53,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:40:53,146 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:40:53,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-13 02:40:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:40:56,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 3099 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-13 02:40:56,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:40:58,251 INFO L134 CoverageAnalysis]: Checked inductivity of 5579 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2021-11-13 02:40:58,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:41:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 5579 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 5449 trivial. 0 not checked. [2021-11-13 02:41:00,972 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:41:00,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805848833] [2021-11-13 02:41:00,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1805848833] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:41:00,972 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:41:00,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 13] imperfect sequences [] total 23 [2021-11-13 02:41:00,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111031764] [2021-11-13 02:41:00,973 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:41:00,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-13 02:41:00,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:41:00,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-13 02:41:00,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2021-11-13 02:41:00,975 INFO L87 Difference]: Start difference. First operand 41926 states and 66199 transitions. Second operand has 23 states, 21 states have (on average 6.0476190476190474) internal successors, (127), 19 states have internal predecessors, (127), 8 states have call successors, (54), 2 states have call predecessors, (54), 7 states have return successors, (52), 10 states have call predecessors, (52), 8 states have call successors, (52) [2021-11-13 02:41:09,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:41:09,053 INFO L93 Difference]: Finished difference Result 80306 states and 126329 transitions. [2021-11-13 02:41:09,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 02:41:09,054 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 6.0476190476190474) internal successors, (127), 19 states have internal predecessors, (127), 8 states have call successors, (54), 2 states have call predecessors, (54), 7 states have return successors, (52), 10 states have call predecessors, (52), 8 states have call successors, (52) Word has length 556 [2021-11-13 02:41:09,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:41:09,260 INFO L225 Difference]: With dead ends: 80306 [2021-11-13 02:41:09,260 INFO L226 Difference]: Without dead ends: 38420 [2021-11-13 02:41:09,735 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1121 GetRequests, 1091 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=129, Invalid=863, Unknown=0, NotChecked=0, Total=992 [2021-11-13 02:41:09,737 INFO L933 BasicCegarLoop]: 2359 mSDtfsCounter, 208 mSDsluCounter, 41987 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2242.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 44346 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 59.64ms SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2383.70ms IncrementalHoareTripleChecker+Time [2021-11-13 02:41:09,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [270 Valid, 44346 Invalid, 892 Unknown, 0 Unchecked, 59.64ms Time], IncrementalHoareTripleChecker [298 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 2383.70ms Time] [2021-11-13 02:41:09,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38420 states. [2021-11-13 02:41:14,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38420 to 36226. [2021-11-13 02:41:14,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36226 states, 26859 states have (on average 1.3248073271529097) internal successors, (35583), 27284 states have internal predecessors, (35583), 7181 states have call successors, (7181), 2141 states have call predecessors, (7181), 2174 states have return successors, (13617), 7041 states have call predecessors, (13617), 7178 states have call successors, (13617) [2021-11-13 02:41:14,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36226 states to 36226 states and 56381 transitions. [2021-11-13 02:41:14,484 INFO L78 Accepts]: Start accepts. Automaton has 36226 states and 56381 transitions. Word has length 556 [2021-11-13 02:41:14,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:41:14,485 INFO L470 AbstractCegarLoop]: Abstraction has 36226 states and 56381 transitions. [2021-11-13 02:41:14,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 6.0476190476190474) internal successors, (127), 19 states have internal predecessors, (127), 8 states have call successors, (54), 2 states have call predecessors, (54), 7 states have return successors, (52), 10 states have call predecessors, (52), 8 states have call successors, (52) [2021-11-13 02:41:14,485 INFO L276 IsEmpty]: Start isEmpty. Operand 36226 states and 56381 transitions. [2021-11-13 02:41:14,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2021-11-13 02:41:14,490 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:41:14,490 INFO L514 BasicCegarLoop]: trace histogram [43, 43, 43, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:41:14,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-13 02:41:14,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:41:14,691 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-13 02:41:14,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:41:14,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1425703307, now seen corresponding path program 1 times [2021-11-13 02:41:14,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:41:14,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [857285319] [2021-11-13 02:41:14,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:41:14,695 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:41:14,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:41:14,696 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:41:14,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6934eccd-2922-4aa7-a205-f6fced23a642/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-13 02:41:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:41:18,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 3104 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 02:41:18,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:41:23,228 INFO L134 CoverageAnalysis]: Checked inductivity of 5600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5600 trivial. 0 not checked. [2021-11-13 02:41:23,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:41:25,413 INFO L134 CoverageAnalysis]: Checked inductivity of 5600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5600 trivial. 0 not checked. [2021-11-13 02:41:25,414 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:41:25,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [857285319] [2021-11-13 02:41:25,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [857285319] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:41:25,414 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:41:25,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-13 02:41:25,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334471394] [2021-11-13 02:41:25,416 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:41:25,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 02:41:25,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:41:25,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 02:41:25,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:41:25,418 INFO L87 Difference]: Start difference. First operand 36226 states and 56381 transitions. Second operand has 7 states, 7 states have (on average 21.428571428571427) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (87), 4 states have call predecessors, (87), 2 states have return successors, (84), 2 states have call predecessors, (84), 2 states have call successors, (84) [2021-11-13 02:41:32,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:41:32,183 INFO L93 Difference]: Finished difference Result 71657 states and 119442 transitions. [2021-11-13 02:41:32,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 02:41:32,184 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.428571428571427) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (87), 4 states have call predecessors, (87), 2 states have return successors, (84), 2 states have call predecessors, (84), 2 states have call successors, (84) Word has length 568 [2021-11-13 02:41:32,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:41:32,528 INFO L225 Difference]: With dead ends: 71657 [2021-11-13 02:41:32,528 INFO L226 Difference]: Without dead ends: 71655 [2021-11-13 02:41:32,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1137 GetRequests, 1129 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-13 02:41:32,560 INFO L933 BasicCegarLoop]: 3694 mSDtfsCounter, 2155 mSDsluCounter, 13267 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2158 SdHoareTripleChecker+Valid, 16961 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.97ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.12ms IncrementalHoareTripleChecker+Time [2021-11-13 02:41:32,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2158 Valid, 16961 Invalid, 23 Unknown, 0 Unchecked, 22.97ms Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 72.12ms Time] [2021-11-13 02:41:32,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71655 states.