./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 27c97bcf411d26ec272f425e404581082a84d844ce897669cae8d1db38d078c4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:22:16,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:22:16,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:22:16,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:22:16,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:22:16,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:22:16,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:22:16,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:22:16,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:22:16,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:22:16,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:22:16,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:22:16,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:22:16,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:22:16,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:22:16,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:22:16,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:22:16,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:22:16,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:22:16,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:22:16,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:22:16,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:22:16,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:22:16,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:22:16,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:22:16,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:22:16,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:22:16,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:22:16,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:22:16,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:22:16,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:22:16,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:22:16,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:22:16,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:22:16,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:22:16,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:22:16,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:22:16,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:22:16,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:22:16,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:22:16,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:22:16,470 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:22:16,521 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:22:16,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:22:16,528 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:22:16,528 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:22:16,528 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:22:16,529 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:22:16,536 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:22:16,537 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:22:16,537 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:22:16,537 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:22:16,539 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:22:16,539 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:22:16,539 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:22:16,540 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:22:16,540 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:22:16,540 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:22:16,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:22:16,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:22:16,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:22:16,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:22:16,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:22:16,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:22:16,543 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:22:16,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:22:16,544 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:22:16,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:22:16,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:22:16,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:22:16,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:22:16,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:22:16,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:22:16,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:22:16,548 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:22:16,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:22:16,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:22:16,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:22:16,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:22:16,550 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_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27c97bcf411d26ec272f425e404581082a84d844ce897669cae8d1db38d078c4 [2021-11-19 13:22:16,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:22:16,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:22:16,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:22:16,956 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:22:16,958 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:22:16,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-19 13:22:17,079 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/data/476e4a4e6/80e9f1889d544cbe8c55f81da58bbed7/FLAG6f9e94b8c [2021-11-19 13:22:18,636 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:22:18,637 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-19 13:22:18,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/data/476e4a4e6/80e9f1889d544cbe8c55f81da58bbed7/FLAG6f9e94b8c [2021-11-19 13:22:19,097 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/data/476e4a4e6/80e9f1889d544cbe8c55f81da58bbed7 [2021-11-19 13:22:19,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:22:19,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:22:19,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:22:19,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:22:19,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:22:19,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:22:19" (1/1) ... [2021-11-19 13:22:19,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1862749b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:19, skipping insertion in model container [2021-11-19 13:22:19,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:22:19" (1/1) ... [2021-11-19 13:22:19,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:22:19,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:22:20,698 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:20,707 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:20,996 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:21,105 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:21,151 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:21,186 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:21,424 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:21,452 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:21,501 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:21,515 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:21,524 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:21,549 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:22,234 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:22,235 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:22,237 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:22,237 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:22,248 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:22,249 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:22,249 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:22,250 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:22,579 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:22,588 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:22,600 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:22,609 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:22,617 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:22,625 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,058 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,059 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,161 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,162 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,174 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,185 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,187 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,189 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,189 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,190 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,190 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,191 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,192 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,193 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,194 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,197 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,204 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,205 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,205 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,207 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,209 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,210 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,210 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,211 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,215 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,219 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,220 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,220 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,222 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,222 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,223 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,223 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,224 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,225 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,226 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,227 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,229 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,230 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,231 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,252 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,257 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,266 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,294 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,294 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,296 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,296 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,312 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,321 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,384 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,384 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,385 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,385 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,588 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,636 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,637 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,638 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,639 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,639 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,667 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,667 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,667 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,676 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,677 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,677 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,678 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,678 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,680 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,680 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,717 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,855 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,933 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:23,934 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:24,252 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:24,288 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:24,289 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:24,324 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:24,486 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:24,491 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:24,560 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:24,560 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:24,568 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:24,587 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:24,587 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:24,588 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:24,724 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:24,739 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:22:25,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[624921,624934] [2021-11-19 13:22:25,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[625066,625079] [2021-11-19 13:22:25,404 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:22:25,506 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 13:22:25,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4aca4c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:25, skipping insertion in model container [2021-11-19 13:22:25,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:22:25,507 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:22:25,509 INFO L158 Benchmark]: Toolchain (without parser) took 6405.54ms. Allocated memory was 119.5MB in the beginning and 178.3MB in the end (delta: 58.7MB). Free memory was 79.1MB in the beginning and 75.8MB in the end (delta: 3.3MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. [2021-11-19 13:22:25,510 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 92.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:22:25,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6402.43ms. Allocated memory was 119.5MB in the beginning and 178.3MB in the end (delta: 58.7MB). Free memory was 78.6MB in the beginning and 75.8MB in the end (delta: 2.8MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. [2021-11-19 13:22:25,513 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 92.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6402.43ms. Allocated memory was 119.5MB in the beginning and 178.3MB in the end (delta: 58.7MB). Free memory was 78.6MB in the beginning and 75.8MB in the end (delta: 2.8MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5825]: 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_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 27c97bcf411d26ec272f425e404581082a84d844ce897669cae8d1db38d078c4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:22:27,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:22:27,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:22:27,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:22:27,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:22:27,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:22:27,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:22:27,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:22:27,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:22:27,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:22:27,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:22:27,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:22:27,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:22:27,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:22:27,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:22:27,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:22:27,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:22:27,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:22:27,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:22:27,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:22:27,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:22:27,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:22:27,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:22:27,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:22:27,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:22:27,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:22:27,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:22:27,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:22:27,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:22:27,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:22:27,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:22:27,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:22:27,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:22:27,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:22:27,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:22:27,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:22:27,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:22:27,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:22:27,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:22:27,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:22:27,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:22:27,911 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:22:27,951 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:22:27,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:22:27,952 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:22:27,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:22:27,953 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:22:27,953 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:22:27,953 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:22:27,954 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:22:27,954 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:22:27,954 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:22:27,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:22:27,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:22:27,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:22:27,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:22:27,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:22:27,956 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:22:27,956 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:22:27,957 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:22:27,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:22:27,957 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:22:27,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:22:27,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:22:27,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:22:27,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:22:27,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:22:27,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:22:27,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:22:27,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:22:27,959 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:22:27,959 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:22:27,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:22:27,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:22:27,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:22:27,960 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_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27c97bcf411d26ec272f425e404581082a84d844ce897669cae8d1db38d078c4 [2021-11-19 13:22:28,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:22:28,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:22:28,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:22:28,342 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:22:28,343 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:22:28,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-19 13:22:28,420 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/data/ed15159cf/02b17555bec04e049baf68f5b7b313c0/FLAG2a4ca0ce5 [2021-11-19 13:22:29,617 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:22:29,618 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-19 13:22:29,695 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/data/ed15159cf/02b17555bec04e049baf68f5b7b313c0/FLAG2a4ca0ce5 [2021-11-19 13:22:29,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/data/ed15159cf/02b17555bec04e049baf68f5b7b313c0 [2021-11-19 13:22:29,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:22:29,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:22:29,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:22:29,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:22:29,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:22:29,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:22:29" (1/1) ... [2021-11-19 13:22:29,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c24f41b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:29, skipping insertion in model container [2021-11-19 13:22:29,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:22:29" (1/1) ... [2021-11-19 13:22:29,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:22:30,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:22:36,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[624921,624934] [2021-11-19 13:22:36,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[625066,625079] [2021-11-19 13:22:36,280 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:22:36,426 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:22:36,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:22:37,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[624921,624934] [2021-11-19 13:22:37,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[625066,625079] [2021-11-19 13:22:37,397 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:22:37,496 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:22:38,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[624921,624934] [2021-11-19 13:22:38,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[625066,625079] [2021-11-19 13:22:38,482 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:22:38,860 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:22:38,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:38 WrapperNode [2021-11-19 13:22:38,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:22:38,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:22:38,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:22:38,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:22:38,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:38" (1/1) ... [2021-11-19 13:22:39,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:38" (1/1) ... [2021-11-19 13:22:39,700 INFO L137 Inliner]: procedures = 633, calls = 8979, calls flagged for inlining = 319, calls inlined = 245, statements flattened = 13314 [2021-11-19 13:22:39,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:22:39,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:22:39,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:22:39,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:22:39,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:38" (1/1) ... [2021-11-19 13:22:39,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:38" (1/1) ... [2021-11-19 13:22:39,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:38" (1/1) ... [2021-11-19 13:22:39,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:38" (1/1) ... [2021-11-19 13:22:40,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:38" (1/1) ... [2021-11-19 13:22:40,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:38" (1/1) ... [2021-11-19 13:22:40,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:38" (1/1) ... [2021-11-19 13:22:40,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:22:40,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:22:40,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:22:40,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:22:40,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:38" (1/1) ... [2021-11-19 13:22:40,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:22:40,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:22:40,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:22:40,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:22:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-19 13:22:40,539 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-19 13:22:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 13:22:40,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 13:22:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:22:40,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:22:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2021-11-19 13:22:40,540 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2021-11-19 13:22:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2021-11-19 13:22:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2021-11-19 13:22:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2021-11-19 13:22:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2021-11-19 13:22:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2021-11-19 13:22:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2021-11-19 13:22:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2021-11-19 13:22:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2021-11-19 13:22:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2021-11-19 13:22:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2021-11-19 13:22:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-19 13:22:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-19 13:22:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-19 13:22:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2021-11-19 13:22:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2021-11-19 13:22:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2021-11-19 13:22:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2021-11-19 13:22:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2021-11-19 13:22:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2021-11-19 13:22:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2021-11-19 13:22:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2021-11-19 13:22:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 13:22:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 13:22:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_59 [2021-11-19 13:22:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_59 [2021-11-19 13:22:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-19 13:22:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2021-11-19 13:22:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2021-11-19 13:22:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2021-11-19 13:22:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2021-11-19 13:22:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 13:22:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 13:22:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-19 13:22:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-19 13:22:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 13:22:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 13:22:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 13:22:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 13:22:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 13:22:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 13:22:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-11-19 13:22:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-11-19 13:22:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:22:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 13:22:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:22:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:22:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:22:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2021-11-19 13:22:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2021-11-19 13:22:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2021-11-19 13:22:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2021-11-19 13:22:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2021-11-19 13:22:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2021-11-19 13:22:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 13:22:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 13:22:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-19 13:22:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-19 13:22:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2021-11-19 13:22:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2021-11-19 13:22:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 13:22:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 13:22:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2021-11-19 13:22:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2021-11-19 13:22:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2021-11-19 13:22:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2021-11-19 13:22:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 13:22:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 13:22:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2021-11-19 13:22:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2021-11-19 13:22:40,553 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2021-11-19 13:22:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2021-11-19 13:22:40,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 13:22:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 13:22:40,554 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2021-11-19 13:22:40,554 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2021-11-19 13:22:40,554 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2021-11-19 13:22:40,554 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2021-11-19 13:22:40,554 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-19 13:22:40,554 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-19 13:22:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-11-19 13:22:40,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-11-19 13:22:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-19 13:22:40,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-19 13:22:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 13:22:40,555 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 13:22:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 13:22:40,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 13:22:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-19 13:22:40,556 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-19 13:22:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 13:22:40,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 13:22:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 13:22:40,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 13:22:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2021-11-19 13:22:40,557 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2021-11-19 13:22:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-11-19 13:22:40,558 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-11-19 13:22:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2021-11-19 13:22:40,558 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2021-11-19 13:22:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-19 13:22:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-19 13:22:40,558 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-19 13:22:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-11-19 13:22:40,559 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-11-19 13:22:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:22:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-19 13:22:40,559 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-19 13:22:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 13:22:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 13:22:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-19 13:22:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-19 13:22:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 13:22:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 13:22:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2021-11-19 13:22:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2021-11-19 13:22:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:22:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2021-11-19 13:22:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2021-11-19 13:22:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 13:22:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 13:22:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:22:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 13:22:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 13:22:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 13:22:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2021-11-19 13:22:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2021-11-19 13:22:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 13:22:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2021-11-19 13:22:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2021-11-19 13:22:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-19 13:22:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-19 13:22:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-19 13:22:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-19 13:22:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-19 13:22:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-19 13:22:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2021-11-19 13:22:40,565 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2021-11-19 13:22:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2021-11-19 13:22:40,565 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2021-11-19 13:22:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2021-11-19 13:22:40,565 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2021-11-19 13:22:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 13:22:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 13:22:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2021-11-19 13:22:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2021-11-19 13:22:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2021-11-19 13:22:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2021-11-19 13:22:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2021-11-19 13:22:40,567 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2021-11-19 13:22:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 13:22:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:22:40,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:22:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:22:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-19 13:22:40,568 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-19 13:22:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:22:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:22:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 13:22:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:22:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:22:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:22:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:22:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-11-19 13:22:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-11-19 13:22:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2021-11-19 13:22:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2021-11-19 13:22:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-19 13:22:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-19 13:22:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2021-11-19 13:22:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2021-11-19 13:22:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-11-19 13:22:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-11-19 13:22:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-19 13:22:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-19 13:22:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2021-11-19 13:22:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2021-11-19 13:22:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-11-19 13:22:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-11-19 13:22:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2021-11-19 13:22:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2021-11-19 13:22:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-11-19 13:22:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-11-19 13:22:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 13:22:40,573 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 13:22:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2021-11-19 13:22:40,573 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2021-11-19 13:22:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2021-11-19 13:22:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2021-11-19 13:22:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2021-11-19 13:22:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2021-11-19 13:22:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 13:22:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 13:22:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2021-11-19 13:22:40,575 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2021-11-19 13:22:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2021-11-19 13:22:40,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2021-11-19 13:22:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-11-19 13:22:40,575 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-11-19 13:22:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2021-11-19 13:22:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2021-11-19 13:22:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2021-11-19 13:22:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2021-11-19 13:22:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-19 13:22:40,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-19 13:22:40,576 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-19 13:22:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-19 13:22:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2021-11-19 13:22:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2021-11-19 13:22:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2021-11-19 13:22:40,577 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2021-11-19 13:22:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_59___0 [2021-11-19 13:22:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_59___0 [2021-11-19 13:22:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2021-11-19 13:22:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2021-11-19 13:22:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2021-11-19 13:22:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2021-11-19 13:22:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:22:40,579 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 13:22:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 13:22:40,579 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2021-11-19 13:22:40,579 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2021-11-19 13:22:40,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:22:40,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2021-11-19 13:22:40,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2021-11-19 13:22:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2021-11-19 13:22:40,580 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2021-11-19 13:22:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2021-11-19 13:22:40,580 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2021-11-19 13:22:40,580 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-11-19 13:22:40,581 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-11-19 13:22:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2021-11-19 13:22:40,581 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2021-11-19 13:22:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:22:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:22:40,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:22:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:22:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:22:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-19 13:22:40,582 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-19 13:22:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-19 13:22:40,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-19 13:22:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 13:22:40,583 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 13:22:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2021-11-19 13:22:40,583 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2021-11-19 13:22:40,583 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-19 13:22:40,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-19 13:22:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irqlock_of_uvc_video_queue [2021-11-19 13:22:40,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irqlock_of_uvc_video_queue [2021-11-19 13:22:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-19 13:22:40,584 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-19 13:22:40,584 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2021-11-19 13:22:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2021-11-19 13:22:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 13:22:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 13:22:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2021-11-19 13:22:40,585 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2021-11-19 13:22:40,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 13:22:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 13:22:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 13:22:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 13:22:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uvc_clock [2021-11-19 13:22:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uvc_clock [2021-11-19 13:22:40,586 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2021-11-19 13:22:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2021-11-19 13:22:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2021-11-19 13:22:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2021-11-19 13:22:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2021-11-19 13:22:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2021-11-19 13:22:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2021-11-19 13:22:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2021-11-19 13:22:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-19 13:22:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-19 13:22:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:22:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:22:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2021-11-19 13:22:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2021-11-19 13:22:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2021-11-19 13:22:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2021-11-19 13:22:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 13:22:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 13:22:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:22:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 13:22:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:22:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 13:22:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:22:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:22:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-11-19 13:22:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-11-19 13:22:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2021-11-19 13:22:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2021-11-19 13:22:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 13:22:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 13:22:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2021-11-19 13:22:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2021-11-19 13:22:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-19 13:22:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-19 13:22:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2021-11-19 13:22:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2021-11-19 13:22:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2021-11-19 13:22:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2021-11-19 13:22:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2021-11-19 13:22:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2021-11-19 13:22:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2021-11-19 13:22:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2021-11-19 13:22:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2021-11-19 13:22:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2021-11-19 13:22:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-11-19 13:22:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-11-19 13:22:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-19 13:22:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-19 13:22:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2021-11-19 13:22:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2021-11-19 13:22:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-11-19 13:22:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-11-19 13:22:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-19 13:22:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-19 13:22:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2021-11-19 13:22:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2021-11-19 13:22:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2021-11-19 13:22:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2021-11-19 13:22:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 13:22:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 13:22:40,596 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2021-11-19 13:22:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2021-11-19 13:22:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2021-11-19 13:22:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2021-11-19 13:22:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2021-11-19 13:22:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2021-11-19 13:22:40,597 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2021-11-19 13:22:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2021-11-19 13:22:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2021-11-19 13:22:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2021-11-19 13:22:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2021-11-19 13:22:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2021-11-19 13:22:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2021-11-19 13:22:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2021-11-19 13:22:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-11-19 13:22:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-11-19 13:22:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2021-11-19 13:22:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2021-11-19 13:22:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 13:22:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 13:22:41,862 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:22:41,866 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:22:42,035 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 13:22:44,362 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11812: SUMMARY for call __copy_to_user_nocheck_#t~ret1078#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2021-11-19 13:22:44,362 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11849: assume 0bv64 != __copy_to_user_nocheck_~tmp___1~14#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-19 13:22:44,362 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11849: assume !(0bv64 != __copy_to_user_nocheck_~tmp___1~14#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-19 13:22:44,362 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11804: assume 10bv32 == __copy_to_user_nocheck_~size#1; [2021-11-19 13:22:44,363 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11804: assume !(10bv32 == __copy_to_user_nocheck_~size#1); [2021-11-19 13:22:44,363 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11808: assume 16bv32 == __copy_to_user_nocheck_~size#1; [2021-11-19 13:22:44,363 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11808: assume !(16bv32 == __copy_to_user_nocheck_~size#1); [2021-11-19 13:22:44,363 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11796: assume 4bv32 == __copy_to_user_nocheck_~size#1; [2021-11-19 13:22:44,363 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11796: assume !(4bv32 == __copy_to_user_nocheck_~size#1); [2021-11-19 13:22:44,363 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11800: assume 8bv32 == __copy_to_user_nocheck_~size#1; [2021-11-19 13:22:44,363 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11800: assume !(8bv32 == __copy_to_user_nocheck_~size#1); [2021-11-19 13:22:44,363 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11833: __copy_to_user_nocheck_~tmp___0~24#1 := __copy_to_user_nocheck_#t~ret1076#1;havoc __copy_to_user_nocheck_#t~ret1076#1; [2021-11-19 13:22:44,364 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11792: assume 2bv32 == __copy_to_user_nocheck_~size#1; [2021-11-19 13:22:44,364 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11792: assume !(2bv32 == __copy_to_user_nocheck_~size#1); [2021-11-19 13:22:44,364 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11805: SUMMARY for call __copy_to_user_nocheck_#t~ret1076#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_to_user_nocheck_~ret~18#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-19 13:22:44,364 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11809: SUMMARY for call __copy_to_user_nocheck_#t~ret1077#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_to_user_nocheck_~ret~18#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-19 13:22:44,365 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11797: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-19 13:22:44,365 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11859: __copy_to_user_nocheck_~tmp___2~10#1 := __copy_to_user_nocheck_#t~ret1078#1;havoc __copy_to_user_nocheck_#t~ret1078#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~tmp___2~10#1[32:0]; [2021-11-19 13:22:44,365 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11801: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-19 13:22:44,365 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11789: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-19 13:22:44,365 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11793: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-19 13:22:44,366 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1bv32 == __copy_to_user_nocheck_~size#1; [2021-11-19 13:22:44,366 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1bv32 == __copy_to_user_nocheck_~size#1); [2021-11-19 13:22:44,366 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11847: __copy_to_user_nocheck_~tmp___1~14#1 := __copy_to_user_nocheck_#t~ret1077#1;havoc __copy_to_user_nocheck_#t~ret1077#1; [2021-11-19 13:22:44,366 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11835: assume 0bv64 != __copy_to_user_nocheck_~tmp___0~24#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-19 13:22:44,366 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11835: assume !(0bv64 != __copy_to_user_nocheck_~tmp___0~24#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-19 13:23:16,625 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11700: SUMMARY for call __copy_from_user_nocheck_#t~ret1072#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_nocheck_~ret~17#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-19 13:23:16,625 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11692: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-19 13:23:16,625 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11696: SUMMARY for call __copy_from_user_nocheck_#t~ret1071#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_nocheck_~ret~17#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-19 13:23:16,626 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11729: __copy_from_user_nocheck_~tmp___0~23#1 := __copy_from_user_nocheck_#t~ret1071#1;havoc __copy_from_user_nocheck_#t~ret1071#1; [2021-11-19 13:23:16,626 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11684: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-19 13:23:16,626 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11746: assume 0bv64 != __copy_from_user_nocheck_~tmp___1~13#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-19 13:23:16,626 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11746: assume !(0bv64 != __copy_from_user_nocheck_~tmp___1~13#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-19 13:23:16,626 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11688: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-19 13:23:16,626 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11680: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-19 13:23:16,626 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume 0bv64 != __copy_from_user_nocheck_~tmp___0~23#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-19 13:23:16,626 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume !(0bv64 != __copy_from_user_nocheck_~tmp___0~23#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-19 13:23:16,626 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11756: __copy_from_user_nocheck_~tmp___2~9#1 := __copy_from_user_nocheck_#t~ret1073#1;havoc __copy_from_user_nocheck_#t~ret1073#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~tmp___2~9#1[32:0]; [2021-11-19 13:23:16,626 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1bv32 == __copy_from_user_nocheck_~size#1; [2021-11-19 13:23:16,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1bv32 == __copy_from_user_nocheck_~size#1); [2021-11-19 13:23:16,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11744: __copy_from_user_nocheck_~tmp___1~13#1 := __copy_from_user_nocheck_#t~ret1072#1;havoc __copy_from_user_nocheck_#t~ret1072#1; [2021-11-19 13:23:16,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11699: assume 16bv32 == __copy_from_user_nocheck_~size#1; [2021-11-19 13:23:16,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11699: assume !(16bv32 == __copy_from_user_nocheck_~size#1); [2021-11-19 13:23:16,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11703: SUMMARY for call __copy_from_user_nocheck_#t~ret1073#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2021-11-19 13:23:16,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11691: assume 8bv32 == __copy_from_user_nocheck_~size#1; [2021-11-19 13:23:16,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11691: assume !(8bv32 == __copy_from_user_nocheck_~size#1); [2021-11-19 13:23:16,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11695: assume 10bv32 == __copy_from_user_nocheck_~size#1; [2021-11-19 13:23:16,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11695: assume !(10bv32 == __copy_from_user_nocheck_~size#1); [2021-11-19 13:23:16,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11683: assume 2bv32 == __copy_from_user_nocheck_~size#1; [2021-11-19 13:23:16,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11683: assume !(2bv32 == __copy_from_user_nocheck_~size#1); [2021-11-19 13:23:16,628 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11687: assume 4bv32 == __copy_from_user_nocheck_~size#1; [2021-11-19 13:23:16,628 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11687: assume !(4bv32 == __copy_from_user_nocheck_~size#1); [2021-11-19 13:28:52,325 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 13:28:52,391 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:28:52,434 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:28:52,434 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-19 13:28:52,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:28:52 BoogieIcfgContainer [2021-11-19 13:28:52,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:28:52,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:28:52,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:28:52,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:28:52,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:22:29" (1/3) ... [2021-11-19 13:28:52,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795df9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:28:52, skipping insertion in model container [2021-11-19 13:28:52,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:38" (2/3) ... [2021-11-19 13:28:52,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795df9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:28:52, skipping insertion in model container [2021-11-19 13:28:52,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:28:52" (3/3) ... [2021-11-19 13:28:52,456 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-19 13:28:52,471 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:28:52,473 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 13:28:52,548 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:28:52,558 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 13:28:52,559 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 13:28:52,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 3274 states, 2436 states have (on average 1.366584564860427) internal successors, (3329), 2454 states have internal predecessors, (3329), 680 states have call successors, (680), 158 states have call predecessors, (680), 157 states have return successors, (671), 665 states have call predecessors, (671), 671 states have call successors, (671) [2021-11-19 13:28:52,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-11-19 13:28:52,677 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:52,678 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:28:52,678 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:28:52,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:52,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1478377812, now seen corresponding path program 1 times [2021-11-19 13:28:52,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:28:52,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1609216589] [2021-11-19 13:28:52,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:52,715 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:28:52,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:28:52,718 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:28:52,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:29:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:02,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 7392 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:29:02,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:29:03,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 4185 trivial. 0 not checked. [2021-11-19 13:29:03,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:29:04,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2021-11-19 13:29:04,850 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:29:04,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1609216589] [2021-11-19 13:29:04,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1609216589] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:04,851 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:04,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:29:04,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245242037] [2021-11-19 13:29:04,856 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:04,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:29:04,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:29:04,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:29:04,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:29:04,915 INFO L87 Difference]: Start difference. First operand has 3274 states, 2436 states have (on average 1.366584564860427) internal successors, (3329), 2454 states have internal predecessors, (3329), 680 states have call successors, (680), 158 states have call predecessors, (680), 157 states have return successors, (671), 665 states have call predecessors, (671), 671 states have call successors, (671) Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 4 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-11-19 13:29:06,344 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:29:08,355 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:29:32,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:29:32,831 INFO L93 Difference]: Finished difference Result 12680 states and 18319 transitions. [2021-11-19 13:29:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:29:32,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 4 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 375 [2021-11-19 13:29:32,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:29:32,925 INFO L225 Difference]: With dead ends: 12680 [2021-11-19 13:29:32,925 INFO L226 Difference]: Without dead ends: 9357 [2021-11-19 13:29:32,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 748 GetRequests, 746 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:29:32,954 INFO L933 BasicCegarLoop]: 5883 mSDtfsCounter, 12140 mSDsluCounter, 7664 mSDsCounter, 0 mSdLazyCounter, 1408 mSolverCounterSat, 1275 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12140 SdHoareTripleChecker+Valid, 13547 SdHoareTripleChecker+Invalid, 2684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1275 IncrementalHoareTripleChecker+Valid, 1408 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:29:32,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12140 Valid, 13547 Invalid, 2684 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1275 Valid, 1408 Invalid, 1 Unknown, 0 Unchecked, 27.1s Time] [2021-11-19 13:29:32,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9357 states. [2021-11-19 13:29:33,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9357 to 9349. [2021-11-19 13:29:33,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9349 states, 7035 states have (on average 1.361904761904762) internal successors, (9581), 7090 states have internal predecessors, (9581), 1850 states have call successors, (1850), 463 states have call predecessors, (1850), 463 states have return successors, (1850), 1828 states have call predecessors, (1850), 1850 states have call successors, (1850) [2021-11-19 13:29:33,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9349 states to 9349 states and 13281 transitions. [2021-11-19 13:29:33,616 INFO L78 Accepts]: Start accepts. Automaton has 9349 states and 13281 transitions. Word has length 375 [2021-11-19 13:29:33,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:29:33,624 INFO L470 AbstractCegarLoop]: Abstraction has 9349 states and 13281 transitions. [2021-11-19 13:29:33,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 4 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-11-19 13:29:33,624 INFO L276 IsEmpty]: Start isEmpty. Operand 9349 states and 13281 transitions. [2021-11-19 13:29:33,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-11-19 13:29:33,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:29:33,645 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:29:33,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:29:33,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:29:33,859 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:29:33,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:29:33,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1751396229, now seen corresponding path program 1 times [2021-11-19 13:29:33,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:29:33,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1491150981] [2021-11-19 13:29:33,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:29:33,872 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:29:33,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:29:33,873 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:29:33,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:29:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:42,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 7474 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:29:42,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:29:44,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 4185 trivial. 0 not checked. [2021-11-19 13:29:44,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:29:45,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2021-11-19 13:29:45,674 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:29:45,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1491150981] [2021-11-19 13:29:45,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1491150981] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:45,674 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:45,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:29:45,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771580428] [2021-11-19 13:29:45,675 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:45,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:29:45,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:29:45,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:29:45,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:29:45,678 INFO L87 Difference]: Start difference. First operand 9349 states and 13281 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 4 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2021-11-19 13:29:48,941 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:30:09,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:09,982 INFO L93 Difference]: Finished difference Result 35265 states and 50114 transitions. [2021-11-19 13:30:09,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:30:09,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 4 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 398 [2021-11-19 13:30:09,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:10,192 INFO L225 Difference]: With dead ends: 35265 [2021-11-19 13:30:10,192 INFO L226 Difference]: Without dead ends: 25983 [2021-11-19 13:30:10,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 794 GetRequests, 792 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:30:10,241 INFO L933 BasicCegarLoop]: 5660 mSDtfsCounter, 8536 mSDsluCounter, 7815 mSDsCounter, 0 mSdLazyCounter, 1390 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8536 SdHoareTripleChecker+Valid, 13475 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1390 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:10,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8536 Valid, 13475 Invalid, 1429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1390 Invalid, 1 Unknown, 0 Unchecked, 23.6s Time] [2021-11-19 13:30:10,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25983 states. [2021-11-19 13:30:11,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25983 to 25967. [2021-11-19 13:30:11,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25967 states, 19617 states have (on average 1.3675893357801907) internal successors, (26828), 19794 states have internal predecessors, (26828), 5028 states have call successors, (5028), 1321 states have call predecessors, (5028), 1321 states have return successors, (5028), 4950 states have call predecessors, (5028), 5028 states have call successors, (5028) [2021-11-19 13:30:11,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25967 states to 25967 states and 36884 transitions. [2021-11-19 13:30:11,617 INFO L78 Accepts]: Start accepts. Automaton has 25967 states and 36884 transitions. Word has length 398 [2021-11-19 13:30:11,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:11,619 INFO L470 AbstractCegarLoop]: Abstraction has 25967 states and 36884 transitions. [2021-11-19 13:30:11,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 4 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2021-11-19 13:30:11,620 INFO L276 IsEmpty]: Start isEmpty. Operand 25967 states and 36884 transitions. [2021-11-19 13:30:11,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-11-19 13:30:11,637 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:11,637 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:30:11,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:30:11,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:30:11,859 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:30:11,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:11,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1886983052, now seen corresponding path program 1 times [2021-11-19 13:30:11,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:30:11,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1910974375] [2021-11-19 13:30:11,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:11,866 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:30:11,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:30:11,867 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:30:11,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:30:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:19,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 7483 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:30:19,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:30:21,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 4185 trivial. 0 not checked. [2021-11-19 13:30:21,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:30:22,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2021-11-19 13:30:22,713 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:30:22,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1910974375] [2021-11-19 13:30:22,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1910974375] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:30:22,714 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:30:22,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:30:22,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347150597] [2021-11-19 13:30:22,714 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:30:22,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:30:22,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:30:22,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:30:22,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:30:22,717 INFO L87 Difference]: Start difference. First operand 25967 states and 36884 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 4 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2021-11-19 13:30:23,960 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:30:25,971 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:30:46,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:46,795 INFO L93 Difference]: Finished difference Result 74957 states and 105064 transitions. [2021-11-19 13:30:46,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:30:46,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 4 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 404 [2021-11-19 13:30:46,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:47,013 INFO L225 Difference]: With dead ends: 74957 [2021-11-19 13:30:47,013 INFO L226 Difference]: Without dead ends: 49057 [2021-11-19 13:30:47,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 806 GetRequests, 804 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:30:47,123 INFO L933 BasicCegarLoop]: 5924 mSDtfsCounter, 8041 mSDsluCounter, 5652 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 676 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8041 SdHoareTripleChecker+Valid, 11576 SdHoareTripleChecker+Invalid, 2037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 676 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:47,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8041 Valid, 11576 Invalid, 2037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [676 Valid, 1360 Invalid, 1 Unknown, 0 Unchecked, 22.9s Time] [2021-11-19 13:30:47,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49057 states. [2021-11-19 13:30:49,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49057 to 49017. [2021-11-19 13:30:49,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49017 states, 36392 states have (on average 1.3388656847658826) internal successors, (48724), 36725 states have internal predecessors, (48724), 9704 states have call successors, (9704), 2920 states have call predecessors, (9704), 2920 states have return successors, (9704), 9524 states have call predecessors, (9704), 9704 states have call successors, (9704) [2021-11-19 13:30:49,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49017 states to 49017 states and 68132 transitions. [2021-11-19 13:30:49,645 INFO L78 Accepts]: Start accepts. Automaton has 49017 states and 68132 transitions. Word has length 404 [2021-11-19 13:30:49,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:30:49,650 INFO L470 AbstractCegarLoop]: Abstraction has 49017 states and 68132 transitions. [2021-11-19 13:30:49,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 4 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2021-11-19 13:30:49,650 INFO L276 IsEmpty]: Start isEmpty. Operand 49017 states and 68132 transitions. [2021-11-19 13:30:49,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-11-19 13:30:49,671 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:30:49,671 INFO L514 BasicCegarLoop]: trace histogram [35, 35, 31, 31, 31, 31, 31, 31, 3, 3, 3, 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] [2021-11-19 13:30:49,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:30:49,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:30:49,895 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:30:49,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:30:49,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1169194891, now seen corresponding path program 1 times [2021-11-19 13:30:49,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:30:49,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1048910619] [2021-11-19 13:30:49,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:30:49,906 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:30:49,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:30:49,907 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:30:49,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:30:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:30:58,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 7455 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:30:58,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:31:00,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4587 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 4200 trivial. 0 not checked. [2021-11-19 13:31:00,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:31:01,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4587 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4581 trivial. 0 not checked. [2021-11-19 13:31:01,828 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:31:01,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1048910619] [2021-11-19 13:31:01,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1048910619] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:01,828 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:01,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:31:01,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730271789] [2021-11-19 13:31:01,829 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:01,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:31:01,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:31:01,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:31:01,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:31:01,830 INFO L87 Difference]: Start difference. First operand 49017 states and 68132 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 4 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2021-11-19 13:31:03,225 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:31:05,237 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:31:28,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:28,833 INFO L93 Difference]: Finished difference Result 149501 states and 207681 transitions. [2021-11-19 13:31:28,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:31:28,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 4 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 420 [2021-11-19 13:31:28,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:29,315 INFO L225 Difference]: With dead ends: 149501 [2021-11-19 13:31:29,315 INFO L226 Difference]: Without dead ends: 100551 [2021-11-19 13:31:29,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 838 GetRequests, 836 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:31:29,448 INFO L933 BasicCegarLoop]: 5999 mSDtfsCounter, 11060 mSDsluCounter, 7515 mSDsCounter, 0 mSdLazyCounter, 1368 mSolverCounterSat, 1052 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11060 SdHoareTripleChecker+Valid, 13514 SdHoareTripleChecker+Invalid, 2421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1052 IncrementalHoareTripleChecker+Valid, 1368 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:29,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11060 Valid, 13514 Invalid, 2421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1052 Valid, 1368 Invalid, 1 Unknown, 0 Unchecked, 24.1s Time] [2021-11-19 13:31:29,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100551 states. [2021-11-19 13:31:33,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100551 to 100547. [2021-11-19 13:31:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100547 states, 74748 states have (on average 1.3420024616043238) internal successors, (100312), 75340 states have internal predecessors, (100312), 19632 states have call successors, (19632), 6166 states have call predecessors, (19632), 6166 states have return successors, (19632), 19332 states have call predecessors, (19632), 19632 states have call successors, (19632) [2021-11-19 13:31:34,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100547 states to 100547 states and 139576 transitions. [2021-11-19 13:31:34,634 INFO L78 Accepts]: Start accepts. Automaton has 100547 states and 139576 transitions. Word has length 420 [2021-11-19 13:31:34,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:34,635 INFO L470 AbstractCegarLoop]: Abstraction has 100547 states and 139576 transitions. [2021-11-19 13:31:34,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 4 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2021-11-19 13:31:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 100547 states and 139576 transitions. [2021-11-19 13:31:34,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2021-11-19 13:31:34,647 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:34,648 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 31, 31, 31, 31, 31, 31, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:31:34,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 13:31:34,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:31:34,864 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:31:34,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:34,865 INFO L85 PathProgramCache]: Analyzing trace with hash 2130758670, now seen corresponding path program 1 times [2021-11-19 13:31:34,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:31:34,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355185757] [2021-11-19 13:31:34,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:34,876 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:31:34,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:31:34,877 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:31:34,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9efaa448-4cc7-4748-9662-a41fbe7535dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:31:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:43,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 7525 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:31:43,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:31:45,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4383 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 4185 trivial. 0 not checked. [2021-11-19 13:31:45,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:31:47,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4383 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4374 trivial. 0 not checked. [2021-11-19 13:31:47,257 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:31:47,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355185757] [2021-11-19 13:31:47,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355185757] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:47,258 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:47,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:31:47,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125514937] [2021-11-19 13:31:47,259 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:47,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:31:47,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:31:47,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:31:47,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:31:47,261 INFO L87 Difference]: Start difference. First operand 100547 states and 139576 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 4 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2021-11-19 13:31:50,561 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:32:17,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:17,267 INFO L93 Difference]: Finished difference Result 388704 states and 539515 transitions. [2021-11-19 13:32:17,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:32:17,268 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 4 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) Word has length 430 [2021-11-19 13:32:17,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:18,897 INFO L225 Difference]: With dead ends: 388704 [2021-11-19 13:32:18,897 INFO L226 Difference]: Without dead ends: 288224 [2021-11-19 13:32:19,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 858 GetRequests, 856 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:32:19,131 INFO L933 BasicCegarLoop]: 8812 mSDtfsCounter, 8988 mSDsluCounter, 9813 mSDsCounter, 0 mSdLazyCounter, 1320 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8988 SdHoareTripleChecker+Valid, 18625 SdHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1320 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:19,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8988 Valid, 18625 Invalid, 1330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1320 Invalid, 1 Unknown, 0 Unchecked, 22.1s Time] [2021-11-19 13:32:19,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288224 states.