./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_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_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/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_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/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_2f350095-3555-4971-a584-c455f26bd51a/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 a521111bd175d3310336dcb5a96ef10ad6928036ed2148cdf12f5390a99f6bb7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:33:31,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:33:31,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:33:31,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:33:31,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:33:31,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:33:31,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:33:31,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:33:31,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:33:31,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:33:31,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:33:31,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:33:31,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:33:31,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:33:31,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:33:31,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:33:31,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:33:31,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:33:31,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:33:31,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:33:31,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:33:31,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:33:31,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:33:31,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:33:31,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:33:31,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:33:31,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:33:31,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:33:31,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:33:31,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:33:31,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:33:31,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:33:31,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:33:31,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:33:31,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:33:31,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:33:31,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:33:31,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:33:31,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:33:31,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:33:31,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:33:31,332 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:33:31,397 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:33:31,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:33:31,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:33:31,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:33:31,400 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:33:31,400 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:33:31,401 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:33:31,401 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:33:31,401 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:33:31,402 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:33:31,411 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:33:31,411 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:33:31,412 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:33:31,412 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:33:31,412 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:33:31,413 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:33:31,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:33:31,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:33:31,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:33:31,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:33:31,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:33:31,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:33:31,416 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:33:31,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:33:31,416 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:33:31,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:33:31,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:33:31,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:33:31,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:33:31,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:33:31,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:33:31,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:33:31,422 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:33:31,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:33:31,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:33:31,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:33:31,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:33:31,423 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_2f350095-3555-4971-a584-c455f26bd51a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a521111bd175d3310336dcb5a96ef10ad6928036ed2148cdf12f5390a99f6bb7 [2021-11-19 13:33:31,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:33:31,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:33:31,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:33:31,802 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:33:31,803 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:33:31,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-19 13:33:31,906 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/data/ef999fdb5/6127865aac88403590dd4018d1716e3d/FLAG9e6944f52 [2021-11-19 13:33:33,237 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:33:33,237 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-19 13:33:33,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/data/ef999fdb5/6127865aac88403590dd4018d1716e3d/FLAG9e6944f52 [2021-11-19 13:33:33,814 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/data/ef999fdb5/6127865aac88403590dd4018d1716e3d [2021-11-19 13:33:33,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:33:33,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:33:33,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:33:33,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:33:33,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:33:33,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:33:33" (1/1) ... [2021-11-19 13:33:33,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76592538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:33, skipping insertion in model container [2021-11-19 13:33:33,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:33:33" (1/1) ... [2021-11-19 13:33:33,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:33:34,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:33:35,704 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 13:33:35,714 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 13:33:36,037 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 13:33:36,180 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 13:33:36,232 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 13:33:36,278 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 13:33:36,549 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 13:33:36,598 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 13:33:36,665 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 13:33:36,702 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 13:33:36,713 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 13:33:36,737 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 13:33:37,494 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 13:33:37,495 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 13:33:37,498 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 13:33:37,498 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 13:33:37,522 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 13:33:37,525 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 13:33:37,526 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 13:33:37,527 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:33:37,833 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 13:33:37,842 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 13:33:37,852 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 13:33:37,863 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 13:33:37,873 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 13:33:37,882 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 13:33:38,386 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 13:33:38,389 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 13:33:38,495 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 13:33:38,499 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 13:33:38,508 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 13:33:38,520 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:33:38,523 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 13:33:38,525 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 13:33:38,526 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 13:33:38,526 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 13:33:38,527 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:33:38,529 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 13:33:38,531 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 13:33:38,531 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 13:33:38,533 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 13:33:38,535 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 13:33:38,540 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 13:33:38,541 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:33:38,542 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:33:38,544 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 13:33:38,546 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 13:33:38,548 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 13:33:38,548 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 13:33:38,549 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 13:33:38,551 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 13:33:38,555 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 13:33:38,556 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 13:33:38,556 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 13:33:38,558 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 13:33:38,559 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 13:33:38,560 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 13:33:38,561 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 13:33:38,562 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 13:33:38,563 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:33:38,564 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:33:38,565 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 13:33:38,565 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 13:33:38,566 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 13:33:38,567 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 13:33:38,591 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 13:33:38,595 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 13:33:38,605 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 13:33:38,635 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 13:33:38,638 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 13:33:38,640 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 13:33:38,641 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 13:33:38,658 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 13:33:38,668 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 13:33:38,746 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:33:38,746 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:33:38,747 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 13:33:38,748 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 13:33:38,942 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 13:33:39,007 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 13:33:39,009 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 13:33:39,010 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 13:33:39,011 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 13:33:39,012 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 13:33:39,012 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 13:33:39,013 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 13:33:39,013 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 13:33:39,026 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 13:33:39,027 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 13:33:39,028 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 13:33:39,028 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 13:33:39,029 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 13:33:39,029 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 13:33:39,030 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 13:33:39,078 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:33:39,250 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 13:33:39,751 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 13:33:39,792 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 13:33:39,793 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 13:33:39,828 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 13:33:39,999 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 13:33:40,085 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 13:33:40,085 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 13:33:40,095 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 13:33:40,118 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 13:33:40,118 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 13:33:40,119 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 13:33:40,249 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 13:33:40,268 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 13:33:40,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599511,599524] [2021-11-19 13:33:40,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599658,599671] [2021-11-19 13:33:40,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599797,599810] [2021-11-19 13:33:40,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599955,599968] [2021-11-19 13:33:40,561 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:33:40,669 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 13:33:40,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18871eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:40, skipping insertion in model container [2021-11-19 13:33:40,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:33:40,670 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:33:40,672 INFO L158 Benchmark]: Toolchain (without parser) took 6851.43ms. Allocated memory was 92.3MB in the beginning and 195.0MB in the end (delta: 102.8MB). Free memory was 50.6MB in the beginning and 74.8MB in the end (delta: -24.1MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. [2021-11-19 13:33:40,673 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:33:40,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6848.71ms. Allocated memory was 92.3MB in the beginning and 195.0MB in the end (delta: 102.8MB). Free memory was 50.6MB in the beginning and 74.8MB in the end (delta: -24.1MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. [2021-11-19 13:33:40,676 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6848.71ms. Allocated memory was 92.3MB in the beginning and 195.0MB in the end (delta: 102.8MB). Free memory was 50.6MB in the beginning and 74.8MB in the end (delta: -24.1MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5818]: 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_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/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_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/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_2f350095-3555-4971-a584-c455f26bd51a/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 a521111bd175d3310336dcb5a96ef10ad6928036ed2148cdf12f5390a99f6bb7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:33:43,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:33:43,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:33:43,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:33:43,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:33:43,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:33:43,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:33:43,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:33:43,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:33:43,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:33:43,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:33:43,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:33:43,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:33:43,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:33:43,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:33:43,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:33:43,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:33:43,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:33:43,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:33:43,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:33:43,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:33:43,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:33:43,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:33:43,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:33:43,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:33:43,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:33:43,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:33:43,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:33:43,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:33:43,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:33:43,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:33:43,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:33:43,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:33:43,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:33:43,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:33:43,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:33:43,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:33:43,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:33:43,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:33:43,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:33:43,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:33:43,669 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:33:43,733 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:33:43,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:33:43,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:33:43,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:33:43,738 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:33:43,739 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:33:43,740 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:33:43,740 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:33:43,740 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:33:43,741 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:33:43,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:33:43,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:33:43,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:33:43,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:33:43,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:33:43,746 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:33:43,746 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:33:43,747 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:33:43,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:33:43,747 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:33:43,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:33:43,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:33:43,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:33:43,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:33:43,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:33:43,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:33:43,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:33:43,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:33:43,751 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:33:43,751 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:33:43,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:33:43,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:33:43,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:33:43,752 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_2f350095-3555-4971-a584-c455f26bd51a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a521111bd175d3310336dcb5a96ef10ad6928036ed2148cdf12f5390a99f6bb7 [2021-11-19 13:33:44,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:33:44,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:33:44,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:33:44,286 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:33:44,287 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:33:44,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-19 13:33:44,375 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/data/6545cac6c/3c722d23c3724b038281a6861d35c8cd/FLAGd1f3a10da [2021-11-19 13:33:45,814 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:33:45,816 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-19 13:33:45,913 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/data/6545cac6c/3c722d23c3724b038281a6861d35c8cd/FLAGd1f3a10da [2021-11-19 13:33:46,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/data/6545cac6c/3c722d23c3724b038281a6861d35c8cd [2021-11-19 13:33:46,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:33:46,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:33:46,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:33:46,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:33:46,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:33:46,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:33:46" (1/1) ... [2021-11-19 13:33:46,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4571fa67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:46, skipping insertion in model container [2021-11-19 13:33:46,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:33:46" (1/1) ... [2021-11-19 13:33:46,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:33:46,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:33:53,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599511,599524] [2021-11-19 13:33:53,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599658,599671] [2021-11-19 13:33:53,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599797,599810] [2021-11-19 13:33:53,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599955,599968] [2021-11-19 13:33:53,789 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:33:54,023 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:33:54,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:33:55,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599511,599524] [2021-11-19 13:33:55,237 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599658,599671] [2021-11-19 13:33:55,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599797,599810] [2021-11-19 13:33:55,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599955,599968] [2021-11-19 13:33:55,256 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:33:55,332 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:33:56,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599511,599524] [2021-11-19 13:33:56,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599658,599671] [2021-11-19 13:33:56,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599797,599810] [2021-11-19 13:33:56,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599955,599968] [2021-11-19 13:33:56,672 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:33:57,174 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:33:57,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:57 WrapperNode [2021-11-19 13:33:57,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:33:57,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:33:57,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:33:57,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:33:57,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:57" (1/1) ... [2021-11-19 13:33:57,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:57" (1/1) ... [2021-11-19 13:33:58,086 INFO L137 Inliner]: procedures = 562, calls = 8792, calls flagged for inlining = 309, calls inlined = 249, statements flattened = 13267 [2021-11-19 13:33:58,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:33:58,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:33:58,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:33:58,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:33:58,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:57" (1/1) ... [2021-11-19 13:33:58,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:57" (1/1) ... [2021-11-19 13:33:58,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:57" (1/1) ... [2021-11-19 13:33:58,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:57" (1/1) ... [2021-11-19 13:33:58,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:57" (1/1) ... [2021-11-19 13:33:58,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:57" (1/1) ... [2021-11-19 13:33:58,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:57" (1/1) ... [2021-11-19 13:33:59,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:33:59,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:33:59,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:33:59,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:33:59,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:57" (1/1) ... [2021-11-19 13:33:59,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:33:59,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:33:59,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:33:59,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:33:59,306 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-19 13:33:59,323 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-19 13:33:59,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-19 13:33:59,324 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-19 13:33:59,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 13:33:59,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 13:33:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:33:59,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:33:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2021-11-19 13:33:59,325 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2021-11-19 13:33:59,326 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2021-11-19 13:33:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2021-11-19 13:33:59,326 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2021-11-19 13:33:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2021-11-19 13:33:59,326 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2021-11-19 13:33:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2021-11-19 13:33:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2021-11-19 13:33:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2021-11-19 13:33:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2021-11-19 13:33:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2021-11-19 13:33:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-19 13:33:59,328 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-19 13:33:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-19 13:33:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2021-11-19 13:33:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2021-11-19 13:33:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2021-11-19 13:33:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2021-11-19 13:33:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2021-11-19 13:33:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2021-11-19 13:33:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2021-11-19 13:33:59,330 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2021-11-19 13:33:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 13:33:59,330 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 13:33:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-19 13:33:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2021-11-19 13:33:59,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2021-11-19 13:33:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2021-11-19 13:33:59,331 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2021-11-19 13:33:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 13:33:59,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 13:33:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-19 13:33:59,332 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-19 13:33:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 13:33:59,333 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 13:33:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 13:33:59,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 13:33:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 13:33:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 13:33:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-11-19 13:33:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-11-19 13:33:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:33:59,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 13:33:59,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:33:59,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:33:59,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:33:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2021-11-19 13:33:59,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2021-11-19 13:33:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2021-11-19 13:33:59,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2021-11-19 13:33:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2021-11-19 13:33:59,337 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2021-11-19 13:33:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 13:33:59,337 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 13:33:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-19 13:33:59,337 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-19 13:33:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2021-11-19 13:33:59,338 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2021-11-19 13:33:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 13:33:59,338 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 13:33:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2021-11-19 13:33:59,339 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2021-11-19 13:33:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2021-11-19 13:33:59,339 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2021-11-19 13:33:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 13:33:59,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 13:33:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2021-11-19 13:33:59,340 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2021-11-19 13:33:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2021-11-19 13:33:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2021-11-19 13:33:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 13:33:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 13:33:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2021-11-19 13:33:59,357 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2021-11-19 13:33:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2021-11-19 13:33:59,357 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2021-11-19 13:33:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-19 13:33:59,357 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-19 13:33:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-11-19 13:33:59,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-11-19 13:33:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 13:33:59,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 13:33:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 13:33:59,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 13:33:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-19 13:33:59,359 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-19 13:33:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 13:33:59,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 13:33:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2021-11-19 13:33:59,360 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2021-11-19 13:33:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-11-19 13:33:59,360 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-11-19 13:33:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2021-11-19 13:33:59,361 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2021-11-19 13:33:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-19 13:33:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-19 13:33:59,361 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-19 13:33:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-11-19 13:33:59,362 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-11-19 13:33:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:33:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-19 13:33:59,363 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-19 13:33:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 13:33:59,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 13:33:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 13:33:59,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 13:33:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2021-11-19 13:33:59,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2021-11-19 13:33:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:33:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2021-11-19 13:33:59,365 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2021-11-19 13:33:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 13:33:59,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 13:33:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:33:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 13:33:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 13:33:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 13:33:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2021-11-19 13:33:59,366 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2021-11-19 13:33:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 13:33:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2021-11-19 13:33:59,367 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2021-11-19 13:33:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-19 13:33:59,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-19 13:33:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2021-11-19 13:33:59,368 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2021-11-19 13:33:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2021-11-19 13:33:59,368 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2021-11-19 13:33:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2021-11-19 13:33:59,368 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2021-11-19 13:33:59,369 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2021-11-19 13:33:59,369 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2021-11-19 13:33:59,369 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2021-11-19 13:33:59,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2021-11-19 13:33:59,369 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2021-11-19 13:33:59,370 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2021-11-19 13:33:59,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 13:33:59,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:33:59,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:33:59,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:33:59,370 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-19 13:33:59,371 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-19 13:33:59,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:33:59,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:33:59,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 13:33:59,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:33:59,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:33:59,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:33:59,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:33:59,372 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-11-19 13:33:59,372 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-11-19 13:33:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2021-11-19 13:33:59,373 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2021-11-19 13:33:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-19 13:33:59,373 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-19 13:33:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2021-11-19 13:33:59,374 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2021-11-19 13:33:59,374 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-11-19 13:33:59,374 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-11-19 13:33:59,374 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-19 13:33:59,374 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-19 13:33:59,375 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2021-11-19 13:33:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2021-11-19 13:33:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-11-19 13:33:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-11-19 13:33:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2021-11-19 13:33:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2021-11-19 13:33:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-11-19 13:33:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-11-19 13:33:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 13:33:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 13:33:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2021-11-19 13:33:59,390 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2021-11-19 13:33:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2021-11-19 13:33:59,390 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2021-11-19 13:33:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2021-11-19 13:33:59,390 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2021-11-19 13:33:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 13:33:59,391 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 13:33:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2021-11-19 13:33:59,391 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2021-11-19 13:33:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2021-11-19 13:33:59,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2021-11-19 13:33:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-11-19 13:33:59,392 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-11-19 13:33:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2021-11-19 13:33:59,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2021-11-19 13:33:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2021-11-19 13:33:59,393 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2021-11-19 13:33:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-19 13:33:59,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-19 13:33:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-19 13:33:59,394 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-19 13:33:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2021-11-19 13:33:59,394 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2021-11-19 13:33:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2021-11-19 13:33:59,394 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2021-11-19 13:33:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-19 13:33:59,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-19 13:33:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2021-11-19 13:33:59,395 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2021-11-19 13:33:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2021-11-19 13:33:59,395 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2021-11-19 13:33:59,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:33:59,396 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 13:33:59,396 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 13:33:59,396 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2021-11-19 13:33:59,396 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2021-11-19 13:33:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:33:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2021-11-19 13:33:59,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2021-11-19 13:33:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2021-11-19 13:33:59,397 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2021-11-19 13:33:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2021-11-19 13:33:59,398 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2021-11-19 13:33:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-11-19 13:33:59,398 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-11-19 13:33:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2021-11-19 13:33:59,399 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2021-11-19 13:33:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:33:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:33:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:33:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:33:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:33:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-19 13:33:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-19 13:33:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-19 13:33:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-19 13:33:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 13:33:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 13:33:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-19 13:33:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-19 13:33:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2021-11-19 13:33:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2021-11-19 13:33:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-19 13:33:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-19 13:33:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-19 13:33:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-19 13:33:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2021-11-19 13:33:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2021-11-19 13:33:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 13:33:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 13:33:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2021-11-19 13:33:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2021-11-19 13:33:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-19 13:33:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-19 13:33:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 13:33:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 13:33:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 13:33:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 13:33:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2021-11-19 13:33:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2021-11-19 13:33:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2021-11-19 13:33:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2021-11-19 13:33:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2021-11-19 13:33:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2021-11-19 13:33:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2021-11-19 13:33:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2021-11-19 13:33:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-19 13:33:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-19 13:33:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:33:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:33:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2021-11-19 13:33:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2021-11-19 13:33:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2021-11-19 13:33:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2021-11-19 13:33:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 13:33:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 13:33:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:33:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 13:33:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:33:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 13:33:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:33:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:33:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-11-19 13:33:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-11-19 13:33:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2021-11-19 13:33:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2021-11-19 13:33:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 13:33:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 13:33:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2021-11-19 13:33:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2021-11-19 13:33:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-19 13:33:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-19 13:33:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2021-11-19 13:33:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2021-11-19 13:33:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2021-11-19 13:33:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2021-11-19 13:33:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2021-11-19 13:33:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2021-11-19 13:33:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2021-11-19 13:33:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2021-11-19 13:33:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2021-11-19 13:33:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2021-11-19 13:33:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-11-19 13:33:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-11-19 13:33:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-19 13:33:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-19 13:33:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2021-11-19 13:33:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2021-11-19 13:33:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-11-19 13:33:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-11-19 13:33:59,557 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-19 13:33:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-19 13:33:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2021-11-19 13:33:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2021-11-19 13:33:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2021-11-19 13:33:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2021-11-19 13:33:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 13:33:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 13:33:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2021-11-19 13:33:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2021-11-19 13:33:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2021-11-19 13:33:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2021-11-19 13:33:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2021-11-19 13:33:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2021-11-19 13:33:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2021-11-19 13:33:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2021-11-19 13:33:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2021-11-19 13:33:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2021-11-19 13:33:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2021-11-19 13:33:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2021-11-19 13:33:59,561 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2021-11-19 13:33:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2021-11-19 13:33:59,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-11-19 13:33:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-11-19 13:33:59,561 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2021-11-19 13:33:59,562 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2021-11-19 13:33:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 13:33:59,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 13:34:01,080 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:34:01,085 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:34:01,292 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 13:34:03,694 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11774: assume 0bv64 != __copy_to_user_nocheck_~tmp___0~26#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-19 13:34:03,695 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11774: assume !(0bv64 != __copy_to_user_nocheck_~tmp___0~26#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-19 13:34:03,695 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11788: assume 0bv64 != __copy_to_user_nocheck_~tmp___1~15#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-19 13:34:03,695 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11788: assume !(0bv64 != __copy_to_user_nocheck_~tmp___1~15#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-19 13:34:03,695 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747: assume 16bv32 == __copy_to_user_nocheck_~size#1; [2021-11-19 13:34:03,695 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747: assume !(16bv32 == __copy_to_user_nocheck_~size#1); [2021-11-19 13:34:03,695 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11751: SUMMARY for call __copy_to_user_nocheck_#t~ret1088#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 13:34:03,695 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11772: __copy_to_user_nocheck_~tmp___0~26#1 := __copy_to_user_nocheck_#t~ret1086#1;havoc __copy_to_user_nocheck_#t~ret1086#1; [2021-11-19 13:34:03,696 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739: assume 8bv32 == __copy_to_user_nocheck_~size#1; [2021-11-19 13:34:03,696 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739: assume !(8bv32 == __copy_to_user_nocheck_~size#1); [2021-11-19 13:34:03,696 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743: assume 10bv32 == __copy_to_user_nocheck_~size#1; [2021-11-19 13:34:03,696 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743: assume !(10bv32 == __copy_to_user_nocheck_~size#1); [2021-11-19 13:34:03,696 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume 2bv32 == __copy_to_user_nocheck_~size#1; [2021-11-19 13:34:03,696 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume !(2bv32 == __copy_to_user_nocheck_~size#1); [2021-11-19 13:34:03,696 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735: assume 4bv32 == __copy_to_user_nocheck_~size#1; [2021-11-19 13:34:03,697 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735: assume !(4bv32 == __copy_to_user_nocheck_~size#1); [2021-11-19 13:34:03,697 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11748: SUMMARY for call __copy_to_user_nocheck_#t~ret1087#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 13:34:03,697 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1bv32 == __copy_to_user_nocheck_~size#1; [2021-11-19 13:34:03,697 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1bv32 == __copy_to_user_nocheck_~size#1); [2021-11-19 13:34:03,697 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11740: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-19 13:34:03,697 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11744: SUMMARY for call __copy_to_user_nocheck_#t~ret1086#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 13:34:03,697 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11732: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-19 13:34:03,698 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11736: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-19 13:34:03,698 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11798: __copy_to_user_nocheck_~tmp___2~11#1 := __copy_to_user_nocheck_#t~ret1088#1;havoc __copy_to_user_nocheck_#t~ret1088#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~tmp___2~11#1[32:0]; [2021-11-19 13:34:03,698 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11786: __copy_to_user_nocheck_~tmp___1~15#1 := __copy_to_user_nocheck_#t~ret1087#1;havoc __copy_to_user_nocheck_#t~ret1087#1; [2021-11-19 13:34:03,698 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11728: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-19 13:34:42,734 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11642: SUMMARY for call __copy_from_user_nocheck_#t~ret1083#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 13:34:42,735 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634: assume 10bv32 == __copy_from_user_nocheck_~size#1; [2021-11-19 13:34:42,735 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634: assume !(10bv32 == __copy_from_user_nocheck_~size#1); [2021-11-19 13:34:42,735 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638: assume 16bv32 == __copy_from_user_nocheck_~size#1; [2021-11-19 13:34:42,735 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638: assume !(16bv32 == __copy_from_user_nocheck_~size#1); [2021-11-19 13:34:42,736 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: assume 4bv32 == __copy_from_user_nocheck_~size#1; [2021-11-19 13:34:42,736 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: assume !(4bv32 == __copy_from_user_nocheck_~size#1); [2021-11-19 13:34:42,736 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630: assume 8bv32 == __copy_from_user_nocheck_~size#1; [2021-11-19 13:34:42,736 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630: assume !(8bv32 == __copy_from_user_nocheck_~size#1); [2021-11-19 13:34:42,737 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622: assume 2bv32 == __copy_from_user_nocheck_~size#1; [2021-11-19 13:34:42,737 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622: assume !(2bv32 == __copy_from_user_nocheck_~size#1); [2021-11-19 13:34:42,737 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11668: __copy_from_user_nocheck_~tmp___0~25#1 := __copy_from_user_nocheck_#t~ret1081#1;havoc __copy_from_user_nocheck_#t~ret1081#1; [2021-11-19 13:34:42,737 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11635: SUMMARY for call __copy_from_user_nocheck_#t~ret1081#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 13:34:42,738 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11639: SUMMARY for call __copy_from_user_nocheck_#t~ret1082#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 13:34:42,738 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11627: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-19 13:34:42,738 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11631: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-19 13:34:42,738 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11685: assume 0bv64 != __copy_from_user_nocheck_~tmp___1~14#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-19 13:34:42,739 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11685: assume !(0bv64 != __copy_from_user_nocheck_~tmp___1~14#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-19 13:34:42,739 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11619: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-19 13:34:42,739 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11623: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-19 13:34:42,739 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1bv32 == __copy_from_user_nocheck_~size#1; [2021-11-19 13:34:42,740 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1bv32 == __copy_from_user_nocheck_~size#1); [2021-11-19 13:34:42,740 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11670: assume 0bv64 != __copy_from_user_nocheck_~tmp___0~25#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-19 13:34:42,740 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11670: assume !(0bv64 != __copy_from_user_nocheck_~tmp___0~25#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-19 13:34:42,740 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11695: __copy_from_user_nocheck_~tmp___2~10#1 := __copy_from_user_nocheck_#t~ret1083#1;havoc __copy_from_user_nocheck_#t~ret1083#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~tmp___2~10#1[32:0]; [2021-11-19 13:34:42,741 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11683: __copy_from_user_nocheck_~tmp___1~14#1 := __copy_from_user_nocheck_#t~ret1082#1;havoc __copy_from_user_nocheck_#t~ret1082#1; [2021-11-19 13:41:24,835 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 13:41:24,906 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:41:24,938 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:41:24,938 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-19 13:41:24,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:41:24 BoogieIcfgContainer [2021-11-19 13:41:24,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:41:24,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:41:24,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:41:24,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:41:24,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:33:46" (1/3) ... [2021-11-19 13:41:24,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7824f026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:41:24, skipping insertion in model container [2021-11-19 13:41:24,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:57" (2/3) ... [2021-11-19 13:41:24,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7824f026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:41:24, skipping insertion in model container [2021-11-19 13:41:24,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:41:24" (3/3) ... [2021-11-19 13:41:24,956 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-19 13:41:24,963 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:41:24,963 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-19 13:41:25,035 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:41:25,042 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 13:41:25,043 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-19 13:41:25,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 3238 states, 2433 states have (on average 1.368269625976161) internal successors, (3329), 2454 states have internal predecessors, (3329), 650 states have call successors, (650), 152 states have call predecessors, (650), 151 states have return successors, (641), 635 states have call predecessors, (641), 641 states have call successors, (641) [2021-11-19 13:41:25,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-11-19 13:41:25,166 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:41:25,167 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] [2021-11-19 13:41:25,168 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:41:25,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:41:25,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1925264922, now seen corresponding path program 1 times [2021-11-19 13:41:25,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:41:25,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035320204] [2021-11-19 13:41:25,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:41:25,210 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:41:25,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:41:25,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:41:25,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:41:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:41:35,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 7247 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:41:35,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:41:37,100 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 13:41:37,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:41:38,885 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 13:41:38,886 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:41:38,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035320204] [2021-11-19 13:41:38,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2035320204] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:41:38,890 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:41:38,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:41:38,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731079442] [2021-11-19 13:41:38,896 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:41:38,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:41:38,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:41:38,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:41:38,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:41:38,966 INFO L87 Difference]: Start difference. First operand has 3238 states, 2433 states have (on average 1.368269625976161) internal successors, (3329), 2454 states have internal predecessors, (3329), 650 states have call successors, (650), 152 states have call predecessors, (650), 151 states have return successors, (641), 635 states have call predecessors, (641), 641 states have call successors, (641) Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 4 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-11-19 13:41:42,449 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:42:06,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:42:06,023 INFO L93 Difference]: Finished difference Result 12461 states and 17857 transitions. [2021-11-19 13:42:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:42:06,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 4 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 378 [2021-11-19 13:42:06,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:42:06,153 INFO L225 Difference]: With dead ends: 12461 [2021-11-19 13:42:06,153 INFO L226 Difference]: Without dead ends: 9265 [2021-11-19 13:42:06,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 754 GetRequests, 752 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:42:06,191 INFO L933 BasicCegarLoop]: 5737 mSDtfsCounter, 8805 mSDsluCounter, 11782 mSDsCounter, 0 mSdLazyCounter, 1396 mSolverCounterSat, 50 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8805 SdHoareTripleChecker+Valid, 17519 SdHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1396 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:42:06,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8805 Valid, 17519 Invalid, 1447 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [50 Valid, 1396 Invalid, 1 Unknown, 0 Unchecked, 26.2s Time] [2021-11-19 13:42:06,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9265 states. [2021-11-19 13:42:06,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9265 to 9249. [2021-11-19 13:42:06,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9249 states, 7006 states have (on average 1.3652583499857265) internal successors, (9565), 7061 states have internal predecessors, (9565), 1792 states have call successors, (1792), 448 states have call predecessors, (1792), 447 states have return successors, (1789), 1771 states have call predecessors, (1789), 1789 states have call successors, (1789) [2021-11-19 13:42:06,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9249 states to 9249 states and 13146 transitions. [2021-11-19 13:42:06,902 INFO L78 Accepts]: Start accepts. Automaton has 9249 states and 13146 transitions. Word has length 378 [2021-11-19 13:42:06,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:42:06,909 INFO L470 AbstractCegarLoop]: Abstraction has 9249 states and 13146 transitions. [2021-11-19 13:42:06,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 4 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-11-19 13:42:06,910 INFO L276 IsEmpty]: Start isEmpty. Operand 9249 states and 13146 transitions. [2021-11-19 13:42:06,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2021-11-19 13:42:06,941 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:42:06,942 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 31, 31, 31, 31, 31, 31, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:42:07,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:42:07,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:42:07,168 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:42:07,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:42:07,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1830316365, now seen corresponding path program 1 times [2021-11-19 13:42:07,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:42:07,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531053889] [2021-11-19 13:42:07,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:07,183 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:42:07,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:42:07,184 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:42:07,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:42:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:17,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 7505 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:42:17,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:20,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4467 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2021-11-19 13:42:20,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:21,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4467 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4467 trivial. 0 not checked. [2021-11-19 13:42:21,995 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:42:21,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531053889] [2021-11-19 13:42:21,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [531053889] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:42:21,995 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:42:21,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:42:21,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385688881] [2021-11-19 13:42:21,996 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:42:21,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:42:21,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:42:22,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:42:22,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:42:22,001 INFO L87 Difference]: Start difference. First operand 9249 states and 13146 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 4 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) [2021-11-19 13:42:25,504 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:42:43,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:42:43,174 INFO L93 Difference]: Finished difference Result 28316 states and 39647 transitions. [2021-11-19 13:42:43,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:42:43,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 4 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) Word has length 463 [2021-11-19 13:42:43,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:42:43,360 INFO L225 Difference]: With dead ends: 28316 [2021-11-19 13:42:43,360 INFO L226 Difference]: Without dead ends: 19134 [2021-11-19 13:42:43,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 924 GetRequests, 922 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 13:42:43,415 INFO L933 BasicCegarLoop]: 5482 mSDtfsCounter, 5043 mSDsluCounter, 9618 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 35 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5043 SdHoareTripleChecker+Valid, 15100 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:42:43,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5043 Valid, 15100 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1017 Invalid, 1 Unknown, 0 Unchecked, 20.5s Time] [2021-11-19 13:42:43,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19134 states. [2021-11-19 13:42:44,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19134 to 19104. [2021-11-19 13:42:44,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19104 states, 14160 states have (on average 1.331638418079096) internal successors, (18856), 14270 states have internal predecessors, (18856), 3842 states have call successors, (3842), 1099 states have call predecessors, (3842), 1098 states have return successors, (3839), 3797 states have call predecessors, (3839), 3839 states have call successors, (3839) [2021-11-19 13:42:44,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19104 states to 19104 states and 26537 transitions. [2021-11-19 13:42:44,482 INFO L78 Accepts]: Start accepts. Automaton has 19104 states and 26537 transitions. Word has length 463 [2021-11-19 13:42:44,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:42:44,485 INFO L470 AbstractCegarLoop]: Abstraction has 19104 states and 26537 transitions. [2021-11-19 13:42:44,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 4 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) [2021-11-19 13:42:44,487 INFO L276 IsEmpty]: Start isEmpty. Operand 19104 states and 26537 transitions. [2021-11-19 13:42:44,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2021-11-19 13:42:44,529 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:42:44,530 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 31, 31, 31, 31, 31, 31, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-19 13:42:44,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:42:44,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:42:44,756 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:42:44,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:42:44,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1316175205, now seen corresponding path program 1 times [2021-11-19 13:42:44,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:42:44,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016252750] [2021-11-19 13:42:44,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:44,769 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:42:44,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:42:44,771 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:42:44,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:42:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:54,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 7544 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:42:54,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:57,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4599 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 4305 trivial. 0 not checked. [2021-11-19 13:42:57,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:59,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4599 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4590 trivial. 0 not checked. [2021-11-19 13:42:59,091 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:42:59,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016252750] [2021-11-19 13:42:59,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016252750] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:42:59,091 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:42:59,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:42:59,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909031782] [2021-11-19 13:42:59,092 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:42:59,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:42:59,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:42:59,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:42:59,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:42:59,094 INFO L87 Difference]: Start difference. First operand 19104 states and 26537 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-19 13:43:02,539 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:43:22,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:43:22,991 INFO L93 Difference]: Finished difference Result 59199 states and 82154 transitions. [2021-11-19 13:43:22,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:43:22,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) Word has length 488 [2021-11-19 13:43:22,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:43:23,253 INFO L225 Difference]: With dead ends: 59199 [2021-11-19 13:43:23,253 INFO L226 Difference]: Without dead ends: 40162 [2021-11-19 13:43:23,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 974 GetRequests, 972 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 13:43:23,362 INFO L933 BasicCegarLoop]: 7642 mSDtfsCounter, 8942 mSDsluCounter, 9921 mSDsCounter, 0 mSdLazyCounter, 1289 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8942 SdHoareTripleChecker+Valid, 17563 SdHoareTripleChecker+Invalid, 1300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:43:23,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8942 Valid, 17563 Invalid, 1300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1289 Invalid, 1 Unknown, 0 Unchecked, 22.9s Time] [2021-11-19 13:43:23,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40162 states. [2021-11-19 13:43:25,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40162 to 40128. [2021-11-19 13:43:25,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40128 states, 29699 states have (on average 1.330448836661167) internal successors, (39513), 29920 states have internal predecessors, (39513), 8076 states have call successors, (8076), 2356 states have call predecessors, (8076), 2349 states have return successors, (8073), 7980 states have call predecessors, (8073), 8073 states have call successors, (8073) [2021-11-19 13:43:26,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40128 states to 40128 states and 55662 transitions. [2021-11-19 13:43:26,042 INFO L78 Accepts]: Start accepts. Automaton has 40128 states and 55662 transitions. Word has length 488 [2021-11-19 13:43:26,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:43:26,047 INFO L470 AbstractCegarLoop]: Abstraction has 40128 states and 55662 transitions. [2021-11-19 13:43:26,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-19 13:43:26,047 INFO L276 IsEmpty]: Start isEmpty. Operand 40128 states and 55662 transitions. [2021-11-19 13:43:26,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2021-11-19 13:43:26,073 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:43:26,073 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 32, 32, 32, 32, 32, 32, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:43:26,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-19 13:43:26,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:43:26,296 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:43:26,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:43:26,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1606906081, now seen corresponding path program 1 times [2021-11-19 13:43:26,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:43:26,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [847939330] [2021-11-19 13:43:26,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:26,306 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:43:26,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:43:26,307 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:43:26,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:43:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:43:35,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 7443 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-19 13:43:35,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:40,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 4674 trivial. 0 not checked. [2021-11-19 13:43:40,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 4881 trivial. 0 not checked. [2021-11-19 13:43:44,399 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:43:44,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [847939330] [2021-11-19 13:43:44,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [847939330] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:43:44,404 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:43:44,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 16 [2021-11-19 13:43:44,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784778475] [2021-11-19 13:43:44,405 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:43:44,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-19 13:43:44,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:43:44,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-19 13:43:44,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-11-19 13:43:44,408 INFO L87 Difference]: Start difference. First operand 40128 states and 55662 transitions. Second operand has 16 states, 15 states have (on average 8.6) internal successors, (129), 15 states have internal predecessors, (129), 6 states have call successors, (49), 3 states have call predecessors, (49), 6 states have return successors, (49), 6 states have call predecessors, (49), 5 states have call successors, (49) [2021-11-19 13:43:47,837 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:43:49,865 WARN L515 Checker$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 13:43:51,884 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 13:44:55,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:44:55,066 INFO L93 Difference]: Finished difference Result 78806 states and 109320 transitions. [2021-11-19 13:44:55,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 13:44:55,067 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.6) internal successors, (129), 15 states have internal predecessors, (129), 6 states have call successors, (49), 3 states have call predecessors, (49), 6 states have return successors, (49), 6 states have call predecessors, (49), 5 states have call successors, (49) Word has length 472 [2021-11-19 13:44:55,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:44:55,737 INFO L225 Difference]: With dead ends: 78806 [2021-11-19 13:44:55,737 INFO L226 Difference]: Without dead ends: 78792 [2021-11-19 13:44:55,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 956 GetRequests, 930 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=125, Invalid=631, Unknown=0, NotChecked=0, Total=756 [2021-11-19 13:44:55,777 INFO L933 BasicCegarLoop]: 5758 mSDtfsCounter, 11757 mSDsluCounter, 52341 mSDsCounter, 0 mSdLazyCounter, 4044 mSolverCounterSat, 1568 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11776 SdHoareTripleChecker+Valid, 58099 SdHoareTripleChecker+Invalid, 5615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 4044 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:44:55,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11776 Valid, 58099 Invalid, 5615 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1568 Valid, 4044 Invalid, 3 Unknown, 0 Unchecked, 64.9s Time] [2021-11-19 13:44:55,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78792 states. [2021-11-19 13:44:59,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78792 to 78390. [2021-11-19 13:44:59,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78390 states, 58018 states have (on average 1.3299665621014167) internal successors, (77162), 58448 states have internal predecessors, (77162), 15783 states have call successors, (15783), 4598 states have call predecessors, (15783), 4585 states have return successors, (15780), 15589 states have call predecessors, (15780), 15780 states have call successors, (15780) [2021-11-19 13:45:00,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78390 states to 78390 states and 108725 transitions. [2021-11-19 13:45:00,114 INFO L78 Accepts]: Start accepts. Automaton has 78390 states and 108725 transitions. Word has length 472 [2021-11-19 13:45:00,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:45:00,116 INFO L470 AbstractCegarLoop]: Abstraction has 78390 states and 108725 transitions. [2021-11-19 13:45:00,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.6) internal successors, (129), 15 states have internal predecessors, (129), 6 states have call successors, (49), 3 states have call predecessors, (49), 6 states have return successors, (49), 6 states have call predecessors, (49), 5 states have call successors, (49) [2021-11-19 13:45:00,117 INFO L276 IsEmpty]: Start isEmpty. Operand 78390 states and 108725 transitions. [2021-11-19 13:45:00,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2021-11-19 13:45:00,144 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:45:00,145 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 32, 32, 32, 32, 32, 32, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:45:00,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 13:45:00,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:45:00,364 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:45:00,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:45:00,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1875997694, now seen corresponding path program 1 times [2021-11-19 13:45:00,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:45:00,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2004100414] [2021-11-19 13:45:00,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:45:00,377 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:45:00,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:45:00,378 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:45:00,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:45:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:45:10,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 7484 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:45:10,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:45:11,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4912 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 4777 trivial. 0 not checked. [2021-11-19 13:45:11,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:45:13,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4912 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4906 trivial. 0 not checked. [2021-11-19 13:45:13,166 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:45:13,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2004100414] [2021-11-19 13:45:13,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2004100414] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:45:13,167 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:45:13,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:45:13,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219299433] [2021-11-19 13:45:13,168 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:45:13,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:45:13,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:45:13,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:45:13,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:45:13,170 INFO L87 Difference]: Start difference. First operand 78390 states and 108725 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 4 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) [2021-11-19 13:45:16,535 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:45:43,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:45:43,103 INFO L93 Difference]: Finished difference Result 229595 states and 318700 transitions. [2021-11-19 13:45:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:45:43,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 4 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) Word has length 478 [2021-11-19 13:45:43,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:45:44,028 INFO L225 Difference]: With dead ends: 229595 [2021-11-19 13:45:44,028 INFO L226 Difference]: Without dead ends: 152770 [2021-11-19 13:45:44,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 954 GetRequests, 952 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 13:45:44,486 INFO L933 BasicCegarLoop]: 9364 mSDtfsCounter, 8802 mSDsluCounter, 8105 mSDsCounter, 0 mSdLazyCounter, 1369 mSolverCounterSat, 33 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8802 SdHoareTripleChecker+Valid, 17469 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1369 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:45:44,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8802 Valid, 17469 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1369 Invalid, 1 Unknown, 0 Unchecked, 24.4s Time] [2021-11-19 13:45:44,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152770 states. [2021-11-19 13:45:51,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152770 to 152754. [2021-11-19 13:45:51,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152754 states, 113234 states have (on average 1.3302806577529718) internal successors, (150633), 114010 states have internal predecessors, (150633), 30585 states have call successors, (30585), 8956 states have call predecessors, (30585), 8931 states have return successors, (30582), 30267 states have call predecessors, (30582), 30582 states have call successors, (30582) [2021-11-19 13:45:52,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152754 states to 152754 states and 211800 transitions. [2021-11-19 13:45:52,395 INFO L78 Accepts]: Start accepts. Automaton has 152754 states and 211800 transitions. Word has length 478 [2021-11-19 13:45:52,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:45:52,396 INFO L470 AbstractCegarLoop]: Abstraction has 152754 states and 211800 transitions. [2021-11-19 13:45:52,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 4 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) [2021-11-19 13:45:52,397 INFO L276 IsEmpty]: Start isEmpty. Operand 152754 states and 211800 transitions. [2021-11-19 13:45:52,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2021-11-19 13:45:52,430 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:45:52,430 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 32, 32, 32, 32, 32, 32, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:45:52,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 13:45:52,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:45:52,646 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:45:52,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:45:52,647 INFO L85 PathProgramCache]: Analyzing trace with hash 691189159, now seen corresponding path program 1 times [2021-11-19 13:45:52,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:45:52,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1706841041] [2021-11-19 13:45:52,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:45:52,660 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:45:52,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:45:52,661 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:45:52,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f350095-3555-4971-a584-c455f26bd51a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 13:46:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:46:02,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 7483 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:46:02,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:46:04,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4911 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 4777 trivial. 0 not checked. [2021-11-19 13:46:04,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:46:05,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4911 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4906 trivial. 0 not checked. [2021-11-19 13:46:05,391 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:46:05,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1706841041] [2021-11-19 13:46:05,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1706841041] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:46:05,391 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:46:05,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:46:05,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319097200] [2021-11-19 13:46:05,392 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:46:05,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:46:05,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:46:05,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:46:05,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:46:05,394 INFO L87 Difference]: Start difference. First operand 152754 states and 211800 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, (53), 3 states have call predecessors, (53), 3 states have return successors, (52), 4 states have call predecessors, (52), 4 states have call successors, (52) [2021-11-19 13:46:08,788 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []